From 70d9d43ec2ea0e4248f46a31f79a579e6d152b4b Mon Sep 17 00:00:00 2001
From: joshuaflores <joshuaflores@outlook.com>
Date: Tue, 23 Feb 2021 20:26:51 -0600
Subject: [PATCH] - Add basic support for JSON v1.1 (#169)

- Refactor json tests to support multiple versions
- Add support for multiple authors
  - Modified all tests to support multiple authors with single author fallback
---
 README.md                                     | 61 ++++++------
 detector_test.go                              |  2 +-
 feed.go                                       |  8 +-
 json/feed.go                                  | 37 ++++---
 json/parser_test.go                           | 50 +++++++++-
 parser_test.go                                |  5 +-
 rss/feed.go                                   |  2 +-
 .../parser/json/{ => invalid}/invalid.json    |  0
 .../{sample.json => version_json_10.json}     |  0
 .../version_json_10_expected.json}            |  0
 testdata/parser/json/version_json_11.json     | 49 ++++++++++
 .../version_json_11_deprecated_author.json    | 47 +++++++++
 ...on_json_11_deprecated_author_expected.json | 47 +++++++++
 .../parser/json/version_json_11_expected.json | 49 ++++++++++
 .../universal/json10_feed.json}               |  0
 testdata/parser/universal/json11_feed.json    | 49 ++++++++++
 ...thor_email_-_atom03_feed_author_email.json | 19 ++--
 ...thor_email_-_atom10_feed_author_email.json | 19 ++--
 ...author_name_-_atom03_feed_author_name.json | 19 ++--
 ...author_name_-_atom10_feed_author_name.json | 19 ++--
 ...mail_-_atom03_feed_entry_author_email.json | 21 ++--
 ...mail_-_atom10_feed_entry_author_email.json | 21 ++--
 ..._name_-_atom03_feed_entry_author_name.json | 21 ++--
 ..._name_-_atom10_feed_entry_author_name.json | 21 ++--
 testdata/translator/json/json10_full.json     | 47 +++++++++
 .../translator/json/json10_full_expected.json | 63 ++++++++++++
 .../json/{sample2.json => json10_simple.json} |  0
 .../json/json10_simple_expected.json          | 12 +++
 testdata/translator/json/json11_full.json     | 52 ++++++++++
 .../translator/json/json11_full_expected.json | 54 +++++++++++
 ...or_-_rss_channel_managingEditor_email.json | 19 ++--
 ...s_channel_managingEditor_emailAndName.json | 22 +++--
 ...hor_-_rss_channel_managingEditor_name.json | 19 ++--
 ...s_channel_managingEditor_nameAndEmail.json | 22 +++--
 ..._author_-_rss_channel_webMaster_email.json | 19 ++--
 ..._-_rss_channel_webMaster_emailAndName.json | 22 +++--
 ...d_author_-_rss_channel_webMaster_name.json | 19 ++--
 ..._-_rss_channel_webMaster_nameAndEmail.json | 22 +++--
 .../feed_category_-_rss_channel_category.json | 16 ++--
 ...eed_copyright_-_rss_channel_copyright.json | 10 +-
 ...description_-_rdf_channel_description.json | 10 +-
 ...description_-_rss_channel_description.json | 10 +-
 ...eed_generator_-_rss_channel_generator.json | 10 +-
 .../rss/feed_image_-_rdf_image.json           | 12 +--
 .../rss/feed_image_-_rss_channel_image.json   | 16 ++--
 ...uthor_-_rss_channel_item_author_email.json | 21 ++--
 ..._rss_channel_item_author_emailAndName.json | 24 +++--
 ...author_-_rss_channel_item_author_name.json | 21 ++--
 ..._rss_channel_item_author_nameAndEmail.json | 24 +++--
 ..._category_-_rss_channel_item_category.json | 22 ++---
 ...em_description_-_rdf_item_description.json | 16 ++--
 ...iption_-_rss_channel_item_description.json | 16 ++--
 ...nclosure_-_rss_channel_item_enclosure.json | 24 ++---
 ...eed_item_guid_-_rss_channel_item_guid.json | 16 ++--
 .../rss/feed_item_link_-_rdf_item_link.json   | 16 ++--
 ...eed_item_link_-_rss_channel_item_link.json | 16 ++--
 ..._published_-_rss_channel_item_pubDate.json | 18 ++--
 .../rss/feed_item_title_-_rdf_item_title.json | 16 ++--
 ...d_item_title_-_rss_channel_item_title.json | 16 ++--
 .../feed_language_-_rss_channel_language.json | 10 +-
 .../rss/feed_link_-_rdf_channel_link.json     | 10 +-
 .../feed_link_-_rss_channel_atom_link.json    | 38 ++++----
 .../rss/feed_link_-_rss_channel_link.json     | 10 +-
 .../feed_published_-_rss_channel_pubDate.json | 12 +--
 .../rss/feed_title_-_rdf_channel_title.json   | 10 +-
 .../rss/feed_title_-_rss_channel_title.json   | 10 +-
 ...d_updated_-_rss_channel_lastBuildDate.json | 12 +--
 translator.go                                 | 96 +++++++++++++++++++
 translator_test.go                            | 49 +++++++++-
 69 files changed, 1166 insertions(+), 399 deletions(-)
 rename testdata/parser/json/{ => invalid}/invalid.json (100%)
 rename testdata/parser/json/{sample.json => version_json_10.json} (100%)
 rename testdata/parser/{universal/json_feed.json => json/version_json_10_expected.json} (100%)
 create mode 100644 testdata/parser/json/version_json_11.json
 create mode 100644 testdata/parser/json/version_json_11_deprecated_author.json
 create mode 100644 testdata/parser/json/version_json_11_deprecated_author_expected.json
 create mode 100644 testdata/parser/json/version_json_11_expected.json
 rename testdata/{translator/json/sample.json => parser/universal/json10_feed.json} (100%)
 create mode 100644 testdata/parser/universal/json11_feed.json
 create mode 100644 testdata/translator/json/json10_full.json
 create mode 100644 testdata/translator/json/json10_full_expected.json
 rename testdata/translator/json/{sample2.json => json10_simple.json} (100%)
 create mode 100644 testdata/translator/json/json10_simple_expected.json
 create mode 100644 testdata/translator/json/json11_full.json
 create mode 100644 testdata/translator/json/json11_full_expected.json

diff --git a/README.md b/README.md
index a3473b71..898c7559 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ The `gofeed` library is a robust feed parser that supports parsing both [RSS](ht
 - Atom 0.3
 - Atom 1.0
 - JSON 1.0
+- JSON 1.1
 
 #### Extension Support
 
@@ -228,36 +229,36 @@ In addition to the generic handling of extensions, `gofeed` also has built in su
 
 The `DefaultRSSTranslator`, the `DefaultAtomTranslator` and the `DefaultJSONTranslator` map the following `rss.Feed`, `atom.Feed` and `json.Feed` fields to their respective `gofeed.Feed` fields. They are listed in order of precedence (highest to lowest):
 
-`gofeed.Feed` | RSS | Atom | JSON
---- | --- | --- | --
-Title | /rss/channel/title<br>/rdf:RDF/channel/title<br>/rss/channel/dc:title<br>/rdf:RDF/channel/dc:title | /feed/title | /title
-Description | /rss/channel/description<br>/rdf:RDF/channel/description<br>/rss/channel/itunes:subtitle | /feed/subtitle<br>/feed/tagline | /description
-Link | /rss/channel/link<br>/rdf:RDF/channel/link | /feed/link[@rel=”alternate”]/@href<br>/feed/link[not(@rel)]/@href | /home_page_url
-FeedLink | /rss/channel/atom:link[@rel="self"]/@href<br>/rdf:RDF/channel/atom:link[@rel="self"]/@href | /feed/link[@rel="self"]/@href | /feed_url
-Updated | /rss/channel/lastBuildDate<br>/rss/channel/dc:date<br>/rdf:RDF/channel/dc:date | /feed/updated<br>/feed/modified | /items[0]/date_modified
-Published | /rss/channel/pubDate | | /items[0]/date_published
-Author | /rss/channel/managingEditor<br>/rss/channel/webMaster<br>/rss/channel/dc:author<br>/rdf:RDF/channel/dc:author<br>/rss/channel/dc:creator<br>/rdf:RDF/channel/dc:creator<br>/rss/channel/itunes:author | /feed/author | /author/name
-Language | /rss/channel/language<br>/rss/channel/dc:language<br>/rdf:RDF/channel/dc:language | /feed/@xml:lang |
-Image | /rss/channel/image<br>/rdf:RDF/image<br>/rss/channel/itunes:image | /feed/logo | /icon
-Copyright | /rss/channel/copyright<br>/rss/channel/dc:rights<br>/rdf:RDF/channel/dc:rights | /feed/rights<br>/feed/copyright |
-Generator | /rss/channel/generator | /feed/generator |
-Categories | /rss/channel/category<br>/rss/channel/itunes:category<br>/rss/channel/itunes:keywords<br>/rss/channel/dc:subject<br>/rdf:RDF/channel/dc:subject | /feed/category |
-
-
-`gofeed.Item` | RSS | Atom | JSON
---- | --- | --- | ---
-Title | /rss/channel/item/title<br>/rdf:RDF/item/title<br>/rdf:RDF/item/dc:title<br>/rss/channel/item/dc:title | /feed/entry/title | /items/title
-Description | /rss/channel/item/description<br>/rdf:RDF/item/description<br>/rss/channel/item/dc:description<br>/rdf:RDF/item/dc:description | /feed/entry/summary | /items/summary
-Content | /rss/channel/item/content:encoded | /feed/entry/content | /items/content_html
-Link | /rss/channel/item/link<br>/rdf:RDF/item/link | /feed/entry/link[@rel=”alternate”]/@href<br>/feed/entry/link[not(@rel)]/@href | /items/url
-Updated | /rss/channel/item/dc:date<br>/rdf:RDF/rdf:item/dc:date | /feed/entry/modified<br>/feed/entry/updated | /items/date_modified
-Published | /rss/channel/item/pubDate<br>/rss/channel/item/dc:date | /feed/entry/published<br>/feed/entry/issued | /items/date_published
-Author | /rss/channel/item/author<br>/rss/channel/item/dc:author<br>/rdf:RDF/item/dc:author<br>/rss/channel/item/dc:creator<br>/rdf:RDF/item/dc:creator<br>/rss/channel/item/itunes:author | /feed/entry/author | /items/author/name
-GUID |  /rss/channel/item/guid | /feed/entry/id | /items/id
-Image | /rss/channel/item/itunes:image<br>/rss/channel/item/media:image | | /items/image<br>/items/banner_image
-Categories | /rss/channel/item/category<br>/rss/channel/item/dc:subject<br>/rss/channel/item/itunes:keywords<br>/rdf:RDF/channel/item/dc:subject | /feed/entry/category | /items/tags
-Enclosures | /rss/channel/item/enclosure | /feed/entry/link[@rel=”enclosure”] | /items/attachments
-
+| `gofeed.Feed` | RSS                                                                                                                                                                                                   | Atom                                                              | JSON                     |
+| ------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------- | ------------------------ |
+| Title         | /rss/channel/title<br>/rdf:RDF/channel/title<br>/rss/channel/dc:title<br>/rdf:RDF/channel/dc:title                                                                                                    | /feed/title                                                       | /title                   |
+| Description   | /rss/channel/description<br>/rdf:RDF/channel/description<br>/rss/channel/itunes:subtitle                                                                                                              | /feed/subtitle<br>/feed/tagline                                   | /description             |
+| Link          | /rss/channel/link<br>/rdf:RDF/channel/link                                                                                                                                                            | /feed/link[@rel=”alternate”]/@href<br>/feed/link[not(@rel)]/@href | /home_page_url           |
+| FeedLink      | /rss/channel/atom:link[@rel="self"]/@href<br>/rdf:RDF/channel/atom:link[@rel="self"]/@href                                                                                                            | /feed/link[@rel="self"]/@href                                     | /feed_url                |
+| Updated       | /rss/channel/lastBuildDate<br>/rss/channel/dc:date<br>/rdf:RDF/channel/dc:date                                                                                                                        | /feed/updated<br>/feed/modified                                   | /items[0]/date_modified  |
+| Published     | /rss/channel/pubDate                                                                                                                                                                                  |                                                                   | /items[0]/date_published |
+| Author        | /rss/channel/managingEditor<br>/rss/channel/webMaster<br>/rss/channel/dc:author<br>/rdf:RDF/channel/dc:author<br>/rss/channel/dc:creator<br>/rdf:RDF/channel/dc:creator<br>/rss/channel/itunes:author | /feed/authors[0]                                                      | /author            |
+| Authors        | /rss/channel/managingEditor<br>/rss/channel/webMaster<br>/rss/channel/dc:author<br>/rdf:RDF/channel/dc:author<br>/rss/channel/dc:creator<br>/rdf:RDF/channel/dc:creator<br>/rss/channel/itunes:author | /feed/authors                                                      | /authors<br>/author            |
+| Language      | /rss/channel/language<br>/rss/channel/dc:language<br>/rdf:RDF/channel/dc:language                                                                                                                     | /feed/@xml:lang                                                   | /language |
+| Image         | /rss/channel/image<br>/rdf:RDF/image<br>/rss/channel/itunes:image                                                                                                                                     | /feed/logo                                                        | /icon                    |
+| Copyright     | /rss/channel/copyright<br>/rss/channel/dc:rights<br>/rdf:RDF/channel/dc:rights                                                                                                                        | /feed/rights<br>/feed/copyright                                   |
+| Generator     | /rss/channel/generator                                                                                                                                                                                | /feed/generator                                                   |
+| Categories    | /rss/channel/category<br>/rss/channel/itunes:category<br>/rss/channel/itunes:keywords<br>/rss/channel/dc:subject<br>/rdf:RDF/channel/dc:subject                                                       | /feed/category                                                    |
+
+| `gofeed.Item` | RSS                                                                                                                                                                               | Atom                                                                          | JSON                                |
+| ------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------- | ----------------------------------- |
+| Title         | /rss/channel/item/title<br>/rdf:RDF/item/title<br>/rdf:RDF/item/dc:title<br>/rss/channel/item/dc:title                                                                            | /feed/entry/title                                                             | /items/title                        |
+| Description   | /rss/channel/item/description<br>/rdf:RDF/item/description<br>/rss/channel/item/dc:description<br>/rdf:RDF/item/dc:description                                                    | /feed/entry/summary                                                           | /items/summary                      |
+| Content       | /rss/channel/item/content:encoded                                                                                                                                                 | /feed/entry/content                                                           | /items/content_html                 |
+| Link          | /rss/channel/item/link<br>/rdf:RDF/item/link                                                                                                                                      | /feed/entry/link[@rel=”alternate”]/@href<br>/feed/entry/link[not(@rel)]/@href | /items/url                          |
+| Updated       | /rss/channel/item/dc:date<br>/rdf:RDF/rdf:item/dc:date                                                                                                                            | /feed/entry/modified<br>/feed/entry/updated                                   | /items/date_modified                |
+| Published     | /rss/channel/item/pubDate<br>/rss/channel/item/dc:date                                                                                                                            | /feed/entry/published<br>/feed/entry/issued                                   | /items/date_published               |
+| Author        | /rss/channel/item/author<br>/rss/channel/item/dc:author<br>/rdf:RDF/item/dc:author<br>/rss/channel/item/dc:creator<br>/rdf:RDF/item/dc:creator<br>/rss/channel/item/itunes:author | /feed/entry/author                                                            | /items/author/name                  |
+| Authors        | /rss/channel/item/author<br>/rss/channel/item/dc:author<br>/rdf:RDF/item/dc:author<br>/rss/channel/item/dc:creator<br>/rdf:RDF/item/dc:creator<br>/rss/channel/item/itunes:author | /feed/entry/authors[0]                                                            | /items/authors<br>/items/author/name                 |
+| GUID          | /rss/channel/item/guid                                                                                                                                                            | /feed/entry/id                                                                | /items/id                           |
+| Image         | /rss/channel/item/itunes:image<br>/rss/channel/item/media:image                                                                                                                   |                                                                               | /items/image<br>/items/banner_image |
+| Categories    | /rss/channel/item/category<br>/rss/channel/item/dc:subject<br>/rss/channel/item/itunes:keywords<br>/rdf:RDF/channel/item/dc:subject                                               | /feed/entry/category                                                          | /items/tags                         |
+| Enclosures    | /rss/channel/item/enclosure                                                                                                                                                       | /feed/entry/link[@rel=”enclosure”]                                            | /items/attachments                  |
 
 ## Dependencies
 
diff --git a/detector_test.go b/detector_test.go
index d438bf7a..b5243d46 100644
--- a/detector_test.go
+++ b/detector_test.go
@@ -24,7 +24,7 @@ func TestDetectFeedType(t *testing.T) {
 		{"rdf_feed.xml", gofeed.FeedTypeRSS},
 		{"unknown_feed.xml", gofeed.FeedTypeUnknown},
 		{"empty_feed.xml", gofeed.FeedTypeUnknown},
-		{"json_feed.json", gofeed.FeedTypeJSON},
+		{"json10_feed.json", gofeed.FeedTypeJSON},
 	}
 
 	for _, test := range feedTypeTests {
diff --git a/feed.go b/feed.go
index 8d95c04f..266856fd 100644
--- a/feed.go
+++ b/feed.go
@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"time"
 
-	"github.com/mmcdole/gofeed/extensions"
+	ext "github.com/mmcdole/gofeed/extensions"
 )
 
 // Feed is the universal Feed type that atom.Feed
@@ -21,7 +21,8 @@ type Feed struct {
 	UpdatedParsed   *time.Time               `json:"updatedParsed,omitempty"`
 	Published       string                   `json:"published,omitempty"`
 	PublishedParsed *time.Time               `json:"publishedParsed,omitempty"`
-	Author          *Person                  `json:"author,omitempty"`
+	Author          *Person                  `json:"author,omitempty"` // Deprecated: Use feed.Authors instead
+	Authors         []*Person                `json:"authors,omitempty"`
 	Language        string                   `json:"language,omitempty"`
 	Image           *Image                   `json:"image,omitempty"`
 	Copyright       string                   `json:"copyright,omitempty"`
@@ -53,7 +54,8 @@ type Item struct {
 	UpdatedParsed   *time.Time               `json:"updatedParsed,omitempty"`
 	Published       string                   `json:"published,omitempty"`
 	PublishedParsed *time.Time               `json:"publishedParsed,omitempty"`
-	Author          *Person                  `json:"author,omitempty"`
+	Author          *Person                  `json:"author,omitempty"` // Deprecated: Use item.Authors instead
+	Authors         []*Person                `json:"authors,omitempty"`
 	GUID            string                   `json:"guid,omitempty"`
 	Image           *Image                   `json:"image,omitempty"`
 	Categories      []string                 `json:"categories,omitempty"`
diff --git a/json/feed.go b/json/feed.go
index 8539fced..8e4434b6 100644
--- a/json/feed.go
+++ b/json/feed.go
@@ -19,6 +19,10 @@ type Feed struct {
 	Items       []*Item `json:"items"`                   // items is an array, and is required
 	// TODO Hubs // hubs (very optional, array of objects) describes endpoints that can be used to subscribe to real-time notifications from the publisher of this feed. Each object has a type and url, both of which are required. See the section “Subscribing to Real-time Notifications” below for details.
 	// TODO Extensions
+
+	// Version 1.1
+	Authors  []*Author `json:"authors,omitempty"`
+	Language string    `json:"language,omitempty"`
 }
 
 func (f Feed) String() string {
@@ -28,21 +32,26 @@ func (f Feed) String() string {
 
 // Item defines an item in the feed
 type Item struct {
-	ID            string         `json:"id,omitempty"`             // id (required, string) is unique for that item for that feed over time. If an id is presented as a number or other type, a JSON Feed reader must coerce it to a string. Ideally, the id is the full URL of the resource described by the item, since URLs make great unique identifiers.
-	URL           string         `json:"url,omitempty"`            // url (optional, string) is the URL of the resource described by the item. It’s the permalink
-	ExternalURL   string         `json:"external_url,omitempty"`   // external_url (very optional, string) is the URL of a page elsewhere. This is especially useful for linkblogs
-	Title         string         `json:"title,omitempty"`          // title (optional, string) is plain text. Microblog items in particular may omit titles.
-	ContentHTML   string         `json:"content_html,omitempty"`   // content_html and content_text are each optional strings — but one or both must be present. This is the HTML or plain text of the item. Important: the only place HTML is allowed in this format is in content_html. A Twitter-like service might use content_text, while a blog might use content_html. Use whichever makes sense for your resource. (It doesn’t even have to be the same for each item in a feed.)
-	ContentText   string         `json:"content_text,omitempty"`   // Same as above
-	Summary       string         `json:"summary,omitempty"`        // summary (optional, string) is a plain text sentence or two describing the item.
-	Image         string         `json:"image,omitempty"`          // image (optional, string) is the URL of the main image for the item. This image may also appear in the content_html
-	BannerImage   string         `json:"banner_image,omitempty"`   // banner_image (optional, string) is the URL of an image to use as a banner.
-	DatePublished string         `json:"date_published,omitempty"` // date_published (optional, string) specifies the date in RFC 3339 format. (Example: 2010-02-07T14:04:00-05:00.)
-	DateModified  string         `json:"date_modified,omitempty"`  // date_modified (optional, string) specifies the modification date in RFC 3339 format.
-	Author        *Author        `json:"author,omitempty"`         // author (optional, object) has the same structure as the top-level author. If not specified in an item, then the top-level author, if present, is the author of the item.
-	Tags          []string       `json:"tags,omitempty"`           // tags (optional, array of strings) can have any plain text values you want. Tags tend to be just one word, but they may be anything.
-	Attachments   *[]Attachments `json:"attachments,omitempty"`    // attachments (optional, array) lists related resources. Podcasts, for instance, would include an attachment that’s an audio or video file. An individual item may have one or more attachments.
+	ID            string  `json:"id,omitempty"`             // id (required, string) is unique for that item for that feed over time. If an id is presented as a number or other type, a JSON Feed reader must coerce it to a string. Ideally, the id is the full URL of the resource described by the item, since URLs make great unique identifiers.
+	URL           string  `json:"url,omitempty"`            // url (optional, string) is the URL of the resource described by the item. It’s the permalink
+	ExternalURL   string  `json:"external_url,omitempty"`   // external_url (very optional, string) is the URL of a page elsewhere. This is especially useful for linkblogs
+	Title         string  `json:"title,omitempty"`          // title (optional, string) is plain text. Microblog items in particular may omit titles.
+	ContentHTML   string  `json:"content_html,omitempty"`   // content_html and content_text are each optional strings — but one or both must be present. This is the HTML or plain text of the item. Important: the only place HTML is allowed in this format is in content_html. A Twitter-like service might use content_text, while a blog might use content_html. Use whichever makes sense for your resource. (It doesn’t even have to be the same for each item in a feed.)
+	ContentText   string  `json:"content_text,omitempty"`   // Same as above
+	Summary       string  `json:"summary,omitempty"`        // summary (optional, string) is a plain text sentence or two describing the item.
+	Image         string  `json:"image,omitempty"`          // image (optional, string) is the URL of the main image for the item. This image may also appear in the content_html
+	BannerImage   string  `json:"banner_image,omitempty"`   // banner_image (optional, string) is the URL of an image to use as a banner.
+	DatePublished string  `json:"date_published,omitempty"` // date_published (optional, string) specifies the date in RFC 3339 format. (Example: 2010-02-07T14:04:00-05:00.)
+	DateModified  string  `json:"date_modified,omitempty"`  // date_modified (optional, string) specifies the modification date in RFC 3339 format.
+	Author        *Author `json:"author,omitempty"`         // author (optional, object) has the same structure as the top-level author. If not specified in an item, then the top-level author, if present, is the author of the item.
+
+	Tags        []string       `json:"tags,omitempty"`        // tags (optional, array of strings) can have any plain text values you want. Tags tend to be just one word, but they may be anything.
+	Attachments *[]Attachments `json:"attachments,omitempty"` // attachments (optional, array) lists related resources. Podcasts, for instance, would include an attachment that’s an audio or video file. An individual item may have one or more attachments.
 	// TODO Extensions
+
+	// Version 1.1
+	Authors  []*Author `json:"authors,omitempty"`
+	Language string    `json:"language,omitempty"`
 }
 
 // Author defines the feed author structure. The author object has several members. These are all optional — but if you provide an author object, then at least one is required:
diff --git a/json/parser_test.go b/json/parser_test.go
index f36acbbd..1cad073d 100644
--- a/json/parser_test.go
+++ b/json/parser_test.go
@@ -2,31 +2,73 @@ package json_test
 
 import (
 	"bytes"
+	"encoding/json"
 	"fmt"
 	"io/ioutil"
+	"path/filepath"
+	"strings"
 	"testing"
 
-	"github.com/mmcdole/gofeed/json"
+	jsonParser "github.com/mmcdole/gofeed/json"
 	"github.com/stretchr/testify/assert"
 )
 
 // Tests
 
+// TODO: add tests for invalid
+
 func TestParser_Parse(t *testing.T) {
+	files, _ := filepath.Glob("../testdata/parser/json/*.json")
+	for _, f := range files {
+		base := filepath.Base(f)
+		name := strings.TrimSuffix(base, filepath.Ext(base))
+
+		if strings.HasSuffix(name, "expected") {
+			continue
+		}
+
+		fmt.Printf("Testing %s... ", name)
+
+		// Get actual source feed
+		ff := fmt.Sprintf("../testdata/parser/json/%s.json", name)
+		f, _ := ioutil.ReadFile(ff)
+
+		// Parse actual feed
+		fp := &jsonParser.Parser{}
+		actual, _ := fp.Parse(bytes.NewReader(f))
+
+		// Get json encoded expected feed result
+		ef := fmt.Sprintf("../testdata/parser/json/%s_expected.json", name)
+		e, _ := ioutil.ReadFile(ef)
+
+		// Unmarshal expected feed
+		expected := &jsonParser.Feed{}
+		json.Unmarshal(e, &expected)
+
+		if assert.Equal(t, expected, actual, "Feed file %s.json did not match expected output %s.json", name, name) {
+			fmt.Printf("OK\n")
+		} else {
+			fmt.Printf("Failed\n")
+		}
+	}
+}
+
+// TODO: Remove redundant tests
+func TestParser_ParseInvalidAndStruct(t *testing.T) {
 	name := "invalid"
 	fmt.Printf("Testing %s... ", name)
 
 	// Get actual source feed
-	ff := fmt.Sprintf("../testdata/parser/json/%s.json", name)
+	ff := fmt.Sprintf("../testdata/parser/json/invalid/%s.json", name)
 	fmt.Println(ff)
 	f, _ := ioutil.ReadFile(ff)
 
 	// Parse actual feed
-	fp := &json.Parser{}
+	fp := &jsonParser.Parser{}
 	_, err := fp.Parse(bytes.NewReader(f))
 	assert.Contains(t, err.Error(), "expect }")
 
-	name = "sample"
+	name = "version_json_10"
 	fmt.Printf("Testing %s... ", name)
 
 	// Get actual source feed
diff --git a/parser_test.go b/parser_test.go
index 287b82d1..3b58a3ad 100644
--- a/parser_test.go
+++ b/parser_test.go
@@ -31,6 +31,8 @@ func TestParser_Parse(t *testing.T) {
 		{"rss_feed_leading_spaces.xml", "rss", "Feed Title", false},
 		{"rdf_feed.xml", "rss", "Feed Title", false},
 		{"sample.json", "json", "title", false},
+		{"json10_feed.json", "json", "title", false},
+		{"json11_feed.json", "json", "title", false},
 		{"unknown_feed.xml", "", "", true},
 		{"empty_feed.xml", "", "", true},
 		{"invalid.json", "", "", true},
@@ -114,7 +116,8 @@ func TestParser_ParseURL_Success(t *testing.T) {
 		{"rss_feed_bom.xml", "rss", "Feed Title", false},
 		{"rss_feed_leading_spaces.xml", "rss", "Feed Title", false},
 		{"rdf_feed.xml", "rss", "Feed Title", false},
-		{"sample.json", "json", "title", false},
+		{"json10_feed.json", "json", "title", false},
+		{"json11_feed.json", "json", "title", false},
 		{"unknown_feed.xml", "", "", true},
 		{"invalid.json", "", "", true},
 	}
diff --git a/rss/feed.go b/rss/feed.go
index 5366a4ef..fc8041de 100644
--- a/rss/feed.go
+++ b/rss/feed.go
@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"time"
 
-	"github.com/mmcdole/gofeed/extensions"
+	ext "github.com/mmcdole/gofeed/extensions"
 )
 
 // Feed is an RSS Feed
diff --git a/testdata/parser/json/invalid.json b/testdata/parser/json/invalid/invalid.json
similarity index 100%
rename from testdata/parser/json/invalid.json
rename to testdata/parser/json/invalid/invalid.json
diff --git a/testdata/parser/json/sample.json b/testdata/parser/json/version_json_10.json
similarity index 100%
rename from testdata/parser/json/sample.json
rename to testdata/parser/json/version_json_10.json
diff --git a/testdata/parser/universal/json_feed.json b/testdata/parser/json/version_json_10_expected.json
similarity index 100%
rename from testdata/parser/universal/json_feed.json
rename to testdata/parser/json/version_json_10_expected.json
diff --git a/testdata/parser/json/version_json_11.json b/testdata/parser/json/version_json_11.json
new file mode 100644
index 00000000..8504e796
--- /dev/null
+++ b/testdata/parser/json/version_json_11.json
@@ -0,0 +1,49 @@
+{
+	"version": "1.1",
+	"title": "title",
+	"home_page_url": "https://sample-json-feed.com",
+	"feed_url": "https://sample-json-feed.com/feed.json",
+	"description": "description",
+	"user_comment": "user_comment",
+	"next_url": "https://sample-json-feed.com/feed.json?next=500",
+	"icon": "https://sample-json-feed.com/icon.png",
+	"favicon": "https://sample-json-feed.com/favicon.png",
+	"authors": [
+		{
+			"name": "author_name",
+			"url": "https://sample-feed-author.com",
+			"avatar": "https://sample-feed-author.com/me.png"
+		}
+	],
+	"expired": false,
+	"items": [
+		{
+			"id": "id",
+			"url": "https://sample-json-feed.com/id",
+			"external_url": "https://sample-json-feed.com/external",
+			"title": "title",
+			"content_html": "<p>content_html</p>",
+			"content_text": "content_text",
+			"summary": "summary",
+			"image": "https://sample-json-feed.com/image.png",
+			"banner_image": "https://sample-json-feed.com/banner_image.png",
+			"date_published": "2019-10-12T07:20:50.52Z",
+			"date_modified": "2019-10-12T07:20:50.52Z",
+			"author": {
+				"name": "author_name",
+				"url": "https://sample-feed-author.com",
+				"avatar": "https://sample-feed-author.com/me.png"
+			},
+			"tags": ["tag1", "tag2"],
+			"attachments": [
+				{
+					"url": "https://sample-json-feed.com/attachment",
+					"mime_type": "audio/mpeg",
+					"title": "title",
+					"size_in_bytes": 100,
+					"duration_in_seconds": 100
+				}
+			]
+		}
+	]
+}
diff --git a/testdata/parser/json/version_json_11_deprecated_author.json b/testdata/parser/json/version_json_11_deprecated_author.json
new file mode 100644
index 00000000..d2ac04cc
--- /dev/null
+++ b/testdata/parser/json/version_json_11_deprecated_author.json
@@ -0,0 +1,47 @@
+{
+	"version": "1.1",
+	"title": "title",
+	"home_page_url": "https://sample-json-feed.com",
+	"feed_url": "https://sample-json-feed.com/feed.json",
+	"description": "description",
+	"user_comment": "user_comment",
+	"next_url": "https://sample-json-feed.com/feed.json?next=500",
+	"icon": "https://sample-json-feed.com/icon.png",
+	"favicon": "https://sample-json-feed.com/favicon.png",
+	"author": {
+		"name": "author_name",
+		"url": "https://sample-feed-author.com",
+		"avatar": "https://sample-feed-author.com/me.png"
+	},
+	"expired": false,
+	"items": [
+		{
+			"id": "id",
+			"url": "https://sample-json-feed.com/id",
+			"external_url": "https://sample-json-feed.com/external",
+			"title": "title",
+			"content_html": "<p>content_html</p>",
+			"content_text": "content_text",
+			"summary": "summary",
+			"image": "https://sample-json-feed.com/image.png",
+			"banner_image": "https://sample-json-feed.com/banner_image.png",
+			"date_published": "2019-10-12T07:20:50.52Z",
+			"date_modified": "2019-10-12T07:20:50.52Z",
+			"author": {
+				"name": "author_name",
+				"url": "https://sample-feed-author.com",
+				"avatar": "https://sample-feed-author.com/me.png"
+			},
+			"tags": ["tag1", "tag2"],
+			"attachments": [
+				{
+					"url": "https://sample-json-feed.com/attachment",
+					"mime_type": "audio/mpeg",
+					"title": "title",
+					"size_in_bytes": 100,
+					"duration_in_seconds": 100
+				}
+			]
+		}
+	]
+}
diff --git a/testdata/parser/json/version_json_11_deprecated_author_expected.json b/testdata/parser/json/version_json_11_deprecated_author_expected.json
new file mode 100644
index 00000000..d2ac04cc
--- /dev/null
+++ b/testdata/parser/json/version_json_11_deprecated_author_expected.json
@@ -0,0 +1,47 @@
+{
+	"version": "1.1",
+	"title": "title",
+	"home_page_url": "https://sample-json-feed.com",
+	"feed_url": "https://sample-json-feed.com/feed.json",
+	"description": "description",
+	"user_comment": "user_comment",
+	"next_url": "https://sample-json-feed.com/feed.json?next=500",
+	"icon": "https://sample-json-feed.com/icon.png",
+	"favicon": "https://sample-json-feed.com/favicon.png",
+	"author": {
+		"name": "author_name",
+		"url": "https://sample-feed-author.com",
+		"avatar": "https://sample-feed-author.com/me.png"
+	},
+	"expired": false,
+	"items": [
+		{
+			"id": "id",
+			"url": "https://sample-json-feed.com/id",
+			"external_url": "https://sample-json-feed.com/external",
+			"title": "title",
+			"content_html": "<p>content_html</p>",
+			"content_text": "content_text",
+			"summary": "summary",
+			"image": "https://sample-json-feed.com/image.png",
+			"banner_image": "https://sample-json-feed.com/banner_image.png",
+			"date_published": "2019-10-12T07:20:50.52Z",
+			"date_modified": "2019-10-12T07:20:50.52Z",
+			"author": {
+				"name": "author_name",
+				"url": "https://sample-feed-author.com",
+				"avatar": "https://sample-feed-author.com/me.png"
+			},
+			"tags": ["tag1", "tag2"],
+			"attachments": [
+				{
+					"url": "https://sample-json-feed.com/attachment",
+					"mime_type": "audio/mpeg",
+					"title": "title",
+					"size_in_bytes": 100,
+					"duration_in_seconds": 100
+				}
+			]
+		}
+	]
+}
diff --git a/testdata/parser/json/version_json_11_expected.json b/testdata/parser/json/version_json_11_expected.json
new file mode 100644
index 00000000..8504e796
--- /dev/null
+++ b/testdata/parser/json/version_json_11_expected.json
@@ -0,0 +1,49 @@
+{
+	"version": "1.1",
+	"title": "title",
+	"home_page_url": "https://sample-json-feed.com",
+	"feed_url": "https://sample-json-feed.com/feed.json",
+	"description": "description",
+	"user_comment": "user_comment",
+	"next_url": "https://sample-json-feed.com/feed.json?next=500",
+	"icon": "https://sample-json-feed.com/icon.png",
+	"favicon": "https://sample-json-feed.com/favicon.png",
+	"authors": [
+		{
+			"name": "author_name",
+			"url": "https://sample-feed-author.com",
+			"avatar": "https://sample-feed-author.com/me.png"
+		}
+	],
+	"expired": false,
+	"items": [
+		{
+			"id": "id",
+			"url": "https://sample-json-feed.com/id",
+			"external_url": "https://sample-json-feed.com/external",
+			"title": "title",
+			"content_html": "<p>content_html</p>",
+			"content_text": "content_text",
+			"summary": "summary",
+			"image": "https://sample-json-feed.com/image.png",
+			"banner_image": "https://sample-json-feed.com/banner_image.png",
+			"date_published": "2019-10-12T07:20:50.52Z",
+			"date_modified": "2019-10-12T07:20:50.52Z",
+			"author": {
+				"name": "author_name",
+				"url": "https://sample-feed-author.com",
+				"avatar": "https://sample-feed-author.com/me.png"
+			},
+			"tags": ["tag1", "tag2"],
+			"attachments": [
+				{
+					"url": "https://sample-json-feed.com/attachment",
+					"mime_type": "audio/mpeg",
+					"title": "title",
+					"size_in_bytes": 100,
+					"duration_in_seconds": 100
+				}
+			]
+		}
+	]
+}
diff --git a/testdata/translator/json/sample.json b/testdata/parser/universal/json10_feed.json
similarity index 100%
rename from testdata/translator/json/sample.json
rename to testdata/parser/universal/json10_feed.json
diff --git a/testdata/parser/universal/json11_feed.json b/testdata/parser/universal/json11_feed.json
new file mode 100644
index 00000000..8504e796
--- /dev/null
+++ b/testdata/parser/universal/json11_feed.json
@@ -0,0 +1,49 @@
+{
+	"version": "1.1",
+	"title": "title",
+	"home_page_url": "https://sample-json-feed.com",
+	"feed_url": "https://sample-json-feed.com/feed.json",
+	"description": "description",
+	"user_comment": "user_comment",
+	"next_url": "https://sample-json-feed.com/feed.json?next=500",
+	"icon": "https://sample-json-feed.com/icon.png",
+	"favicon": "https://sample-json-feed.com/favicon.png",
+	"authors": [
+		{
+			"name": "author_name",
+			"url": "https://sample-feed-author.com",
+			"avatar": "https://sample-feed-author.com/me.png"
+		}
+	],
+	"expired": false,
+	"items": [
+		{
+			"id": "id",
+			"url": "https://sample-json-feed.com/id",
+			"external_url": "https://sample-json-feed.com/external",
+			"title": "title",
+			"content_html": "<p>content_html</p>",
+			"content_text": "content_text",
+			"summary": "summary",
+			"image": "https://sample-json-feed.com/image.png",
+			"banner_image": "https://sample-json-feed.com/banner_image.png",
+			"date_published": "2019-10-12T07:20:50.52Z",
+			"date_modified": "2019-10-12T07:20:50.52Z",
+			"author": {
+				"name": "author_name",
+				"url": "https://sample-feed-author.com",
+				"avatar": "https://sample-feed-author.com/me.png"
+			},
+			"tags": ["tag1", "tag2"],
+			"attachments": [
+				{
+					"url": "https://sample-json-feed.com/attachment",
+					"mime_type": "audio/mpeg",
+					"title": "title",
+					"size_in_bytes": 100,
+					"duration_in_seconds": 100
+				}
+			]
+		}
+	]
+}
diff --git a/testdata/translator/atom/feed_author_email_-_atom03_feed_author_email.json b/testdata/translator/atom/feed_author_email_-_atom03_feed_author_email.json
index c872d8c9..4165c706 100644
--- a/testdata/translator/atom/feed_author_email_-_atom03_feed_author_email.json
+++ b/testdata/translator/atom/feed_author_email_-_atom03_feed_author_email.json
@@ -1,8 +1,13 @@
 {
-    "author": {
-        "email": "email@example.org"
-    },
-    "items": [],
-    "feedType": "atom",
-    "feedVersion": "0.3"
-}
+  "author": {
+    "email": "email@example.org"
+  },
+  "authors": [
+    {
+      "email": "email@example.org"
+    }
+  ],
+  "feedType": "atom",
+  "feedVersion": "0.3",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/atom/feed_author_email_-_atom10_feed_author_email.json b/testdata/translator/atom/feed_author_email_-_atom10_feed_author_email.json
index 89842994..d647d36d 100644
--- a/testdata/translator/atom/feed_author_email_-_atom10_feed_author_email.json
+++ b/testdata/translator/atom/feed_author_email_-_atom10_feed_author_email.json
@@ -1,8 +1,13 @@
 {
-    "author": {
-        "email": "email@example.org"
-    },
-    "items": [],
-    "feedType": "atom",
-    "feedVersion": "1.0"
-}
+  "author": {
+    "email": "email@example.org"
+  },
+  "authors": [
+    {
+      "email": "email@example.org"
+    }
+  ],
+  "feedType": "atom",
+  "feedVersion": "1.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/atom/feed_author_name_-_atom03_feed_author_name.json b/testdata/translator/atom/feed_author_name_-_atom03_feed_author_name.json
index 032cb4f0..eeb11746 100644
--- a/testdata/translator/atom/feed_author_name_-_atom03_feed_author_name.json
+++ b/testdata/translator/atom/feed_author_name_-_atom03_feed_author_name.json
@@ -1,8 +1,13 @@
 {
-    "author": {
-        "name": "Author Name"
-    },
-    "items": [],
-    "feedType": "atom",
-    "feedVersion": "0.3"
-}
+  "author": {
+    "name": "Author Name"
+  },
+  "authors": [
+    {
+      "name": "Author Name"
+    }
+  ],
+  "feedType": "atom",
+  "feedVersion": "0.3",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/atom/feed_author_name_-_atom10_feed_author_name.json b/testdata/translator/atom/feed_author_name_-_atom10_feed_author_name.json
index ada4b79b..c67e6c5c 100644
--- a/testdata/translator/atom/feed_author_name_-_atom10_feed_author_name.json
+++ b/testdata/translator/atom/feed_author_name_-_atom10_feed_author_name.json
@@ -1,8 +1,13 @@
 {
-    "author": {
-        "name": "Author Name"
-    },
-    "items": [],
-    "feedType": "atom",
-    "feedVersion": "1.0"
-}
+  "author": {
+    "name": "Author Name"
+  },
+  "authors": [
+    {
+      "name": "Author Name"
+    }
+  ],
+  "feedType": "atom",
+  "feedVersion": "1.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/atom/feed_item_author_email_-_atom03_feed_entry_author_email.json b/testdata/translator/atom/feed_item_author_email_-_atom03_feed_entry_author_email.json
index 4a05b2bb..5eed1332 100644
--- a/testdata/translator/atom/feed_item_author_email_-_atom03_feed_entry_author_email.json
+++ b/testdata/translator/atom/feed_item_author_email_-_atom03_feed_entry_author_email.json
@@ -1,11 +1,16 @@
 {
-    "items": [
+  "feedType": "atom",
+  "feedVersion": "0.3",
+  "items": [
+    {
+      "author": {
+        "email": "email@example.org"
+      },
+      "authors": [
         {
-            "author": {
-                "email": "email@example.org"
-            }
+          "email": "email@example.org"
         }
-    ],
-    "feedType": "atom",
-    "feedVersion": "0.3"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/atom/feed_item_author_email_-_atom10_feed_entry_author_email.json b/testdata/translator/atom/feed_item_author_email_-_atom10_feed_entry_author_email.json
index 989df040..6e076d22 100644
--- a/testdata/translator/atom/feed_item_author_email_-_atom10_feed_entry_author_email.json
+++ b/testdata/translator/atom/feed_item_author_email_-_atom10_feed_entry_author_email.json
@@ -1,11 +1,16 @@
 {
-    "items": [
+  "feedType": "atom",
+  "feedVersion": "1.0",
+  "items": [
+    {
+      "author": {
+        "email": "email@example.org"
+      },
+      "authors": [
         {
-            "author": {
-                "email": "email@example.org"
-            }
+          "email": "email@example.org"
         }
-    ],
-    "feedType": "atom",
-    "feedVersion": "1.0"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/atom/feed_item_author_name_-_atom03_feed_entry_author_name.json b/testdata/translator/atom/feed_item_author_name_-_atom03_feed_entry_author_name.json
index 33919525..a9bdd57f 100644
--- a/testdata/translator/atom/feed_item_author_name_-_atom03_feed_entry_author_name.json
+++ b/testdata/translator/atom/feed_item_author_name_-_atom03_feed_entry_author_name.json
@@ -1,11 +1,16 @@
 {
-    "items": [
+  "feedType": "atom",
+  "feedVersion": "0.3",
+  "items": [
+    {
+      "author": {
+        "name": "Author Name"
+      },
+      "authors": [
         {
-            "author": {
-                "name": "Author Name"
-            }
+          "name": "Author Name"
         }
-    ],
-    "feedType": "atom",
-    "feedVersion": "0.3"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/atom/feed_item_author_name_-_atom10_feed_entry_author_name.json b/testdata/translator/atom/feed_item_author_name_-_atom10_feed_entry_author_name.json
index 958c5200..10e74356 100644
--- a/testdata/translator/atom/feed_item_author_name_-_atom10_feed_entry_author_name.json
+++ b/testdata/translator/atom/feed_item_author_name_-_atom10_feed_entry_author_name.json
@@ -1,11 +1,16 @@
 {
-    "items": [
+  "feedType": "atom",
+  "feedVersion": "1.0",
+  "items": [
+    {
+      "author": {
+        "name": "Author Name"
+      },
+      "authors": [
         {
-            "author": {
-                "name": "Author Name"
-            }
+          "name": "Author Name"
         }
-    ],
-    "feedType": "atom",
-    "feedVersion": "1.0"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/json/json10_full.json b/testdata/translator/json/json10_full.json
new file mode 100644
index 00000000..5fc92df0
--- /dev/null
+++ b/testdata/translator/json/json10_full.json
@@ -0,0 +1,47 @@
+{
+  "version": "1.0",
+  "title": "title",
+  "author": {
+    "avatar": "https://sample-feed-author.com/me.png",
+    "name": "author_name",
+    "url": "https://sample-feed-author.com"
+  },
+  "description": "description",
+  "expired": false,
+  "favicon": "https://sample-json-feed.com/favicon.png",
+  "feed_url": "https://sample-json-feed.com/feed.json",
+  "home_page_url": "https://sample-json-feed.com",
+  "icon": "https://sample-json-feed.com/icon.png",
+  "next_url": "https://sample-json-feed.com/feed.json?next=500",
+  "user_comment": "user_comment",
+  "items": [
+    {
+      "attachments": [
+        {
+          "duration_in_seconds": 100,
+          "mime_type": "audio/mpeg",
+          "size_in_bytes": 100,
+          "title": "title",
+          "url": "https://sample-json-feed.com/attachment"
+        }
+      ],
+      "author": {
+        "avatar": "https://sample-feed-author.com/me.png",
+        "name": "author_name",
+        "url": "https://sample-feed-author.com"
+      },
+      "banner_image": "https://sample-json-feed.com/banner_image.png",
+      "content_html": "<p>content_html</p>",
+      "content_text": "content_text",
+      "date_modified": "2019-10-12T07:20:50.52Z",
+      "date_published": "2019-10-12T07:20:50.52Z",
+      "external_url": "https://sample-json-feed.com/external",
+      "id": "id",
+      "image": "https://sample-json-feed.com/image.png",
+      "summary": "summary",
+      "tags": ["tag1", "tag2"],
+      "title": "title",
+      "url": "https://sample-json-feed.com/id"
+    }
+  ]
+}
diff --git a/testdata/translator/json/json10_full_expected.json b/testdata/translator/json/json10_full_expected.json
new file mode 100644
index 00000000..5f889e33
--- /dev/null
+++ b/testdata/translator/json/json10_full_expected.json
@@ -0,0 +1,63 @@
+{
+  "feedVersion": "1.0",
+  "feedType": "json",
+  "feedLink": "https://sample-json-feed.com/feed.json",
+  "title": "title",
+  "author": {
+    "avatar": "https://sample-feed-author.com/me.png",
+    "name": "author_name",
+    "url": "https://sample-feed-author.com"
+  },
+  "authors": [
+    {
+      "avatar": "https://sample-feed-author.com/me.png",
+      "name": "author_name",
+      "url": "https://sample-feed-author.com"
+    }
+  ],
+  "description": "description",
+  "link": "https://sample-json-feed.com",
+  "image": {
+    "url": "https://sample-json-feed.com/icon.png"
+  },
+  "updated": "2019-10-12T07:20:50.52Z",
+  "updatedParsed": "2019-10-12T07:20:50.52Z",
+  "published": "2019-10-12T07:20:50.52Z",
+  "publishedParsed": "2019-10-12T07:20:50.52Z",
+  "items": [
+    {
+      "guid": "id",
+      "title": "title",
+      "link": "https://sample-json-feed.com/id",
+      "content": "<p>content_html</p>",
+      "updated": "2019-10-12T07:20:50.52Z",
+      "updatedParsed": "2019-10-12T07:20:50.52Z",
+      "published": "2019-10-12T07:20:50.52Z",
+      "publishedParsed": "2019-10-12T07:20:50.52Z",
+      "description": "summary",
+      "categories": ["tag1", "tag2"],
+      "enclosures": [
+        {
+          "length": "100",
+          "type": "audio/mpeg",
+          "url": "https://sample-json-feed.com/attachment"
+        }
+      ],
+      "author": {
+        "avatar": "https://sample-feed-author.com/me.png",
+        "name": "author_name",
+        "url": "https://sample-feed-author.com"
+      },
+      "authors": [
+        {
+          "avatar": "https://sample-feed-author.com/me.png",
+          "name": "author_name",
+          "url": "https://sample-feed-author.com"
+        }
+      ],
+      "image": {
+        "url": "https://sample-json-feed.com/image.png"
+      }
+    }
+  ]
+}
diff --git a/testdata/translator/json/sample2.json b/testdata/translator/json/json10_simple.json
similarity index 100%
rename from testdata/translator/json/sample2.json
rename to testdata/translator/json/json10_simple.json
diff --git a/testdata/translator/json/json10_simple_expected.json b/testdata/translator/json/json10_simple_expected.json
new file mode 100644
index 00000000..8555829f
--- /dev/null
+++ b/testdata/translator/json/json10_simple_expected.json
@@ -0,0 +1,12 @@
+{
+	"feedVersion": "1.0",
+	"feedType": "json",
+	"items": [
+		{
+			"content": "content_text",
+			"image": {
+				"url": "https://sample-json-feed.com/banner_image.png"
+			}
+		}
+	]
+}
diff --git a/testdata/translator/json/json11_full.json b/testdata/translator/json/json11_full.json
new file mode 100644
index 00000000..b441af54
--- /dev/null
+++ b/testdata/translator/json/json11_full.json
@@ -0,0 +1,52 @@
+{
+	"version": "1.1",
+	"title": "title",
+	"user_comment": "user_comment",
+	"authors": [
+		{
+			"avatar": "https://sample-feed-author.com/me.png",
+			"name": "author_name",
+			"url": "https://sample-feed-author.com"
+		}
+	],
+	"next_url": "https://sample-json-feed.com/feed.json?next=500",
+	"description": "description",
+	"expired": false,
+	"favicon": "https://sample-json-feed.com/favicon.png",
+	"feed_url": "https://sample-json-feed.com/feed.json",
+	"home_page_url": "https://sample-json-feed.com",
+	"icon": "https://sample-json-feed.com/icon.png",
+	"language": "en",
+	"items": [
+		{
+			"attachments": [
+				{
+					"duration_in_seconds": 100,
+					"mime_type": "audio/mpeg",
+					"size_in_bytes": 100,
+					"title": "title",
+					"url": "https://sample-json-feed.com/attachment"
+				}
+			],
+			"authors": [
+				{
+					"avatar": "https://sample-feed-author.com/me.png",
+					"name": "author_name",
+					"url": "https://sample-feed-author.com"
+				}
+			],
+			"banner_image": "https://sample-json-feed.com/banner_image.png",
+			"content_html": "<p>content_html</p>",
+			"content_text": "content_text",
+			"date_modified": "2019-10-12T07:20:50.52Z",
+			"date_published": "2019-10-12T07:20:50.52Z",
+			"external_url": "https://sample-json-feed.com/external",
+			"id": "id",
+			"image": "https://sample-json-feed.com/image.png",
+			"summary": "summary",
+			"tags": ["tag1", "tag2"],
+			"title": "title",
+			"url": "https://sample-json-feed.com/id"
+		}
+	]
+}
diff --git a/testdata/translator/json/json11_full_expected.json b/testdata/translator/json/json11_full_expected.json
new file mode 100644
index 00000000..75adbb26
--- /dev/null
+++ b/testdata/translator/json/json11_full_expected.json
@@ -0,0 +1,54 @@
+{
+  "feedVersion": "1.1",
+  "feedType": "json",
+  "feedLink": "https://sample-json-feed.com/feed.json",
+  "title": "title",
+  "language": "en",
+  "authors": [
+    {
+      "avatar": "https://sample-feed-author.com/me.png",
+      "name": "author_name",
+      "url": "https://sample-feed-author.com"
+    }
+  ],
+  "description": "description",
+  "link": "https://sample-json-feed.com",
+  "image": {
+    "url": "https://sample-json-feed.com/icon.png"
+  },
+  "updated": "2019-10-12T07:20:50.52Z",
+  "updatedParsed": "2019-10-12T07:20:50.52Z",
+  "published": "2019-10-12T07:20:50.52Z",
+  "publishedParsed": "2019-10-12T07:20:50.52Z",
+  "items": [
+    {
+      "guid": "id",
+      "title": "title",
+      "link": "https://sample-json-feed.com/id",
+      "content": "<p>content_html</p>",
+      "updated": "2019-10-12T07:20:50.52Z",
+      "updatedParsed": "2019-10-12T07:20:50.52Z",
+      "published": "2019-10-12T07:20:50.52Z",
+      "publishedParsed": "2019-10-12T07:20:50.52Z",
+      "description": "summary",
+      "categories": ["tag1", "tag2"],
+      "enclosures": [
+        {
+          "length": "100",
+          "type": "audio/mpeg",
+          "url": "https://sample-json-feed.com/attachment"
+        }
+      ],
+      "authors": [
+        {
+          "avatar": "https://sample-feed-author.com/me.png",
+          "name": "author_name",
+          "url": "https://sample-feed-author.com"
+        }
+      ],
+      "image": {
+        "url": "https://sample-json-feed.com/image.png"
+      }
+    }
+  ]
+}
diff --git a/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_email.json b/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_email.json
index 0839fe3b..efa8d855 100644
--- a/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_email.json
+++ b/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_email.json
@@ -1,8 +1,13 @@
 {
-    "author": {
-        "email": "email@example.org"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "author": {
+    "email": "email@example.org"
+  },
+  "authors": [
+    {
+      "email": "email@example.org"
+    }
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_emailAndName.json b/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_emailAndName.json
index 4186aa69..33ba3758 100644
--- a/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_emailAndName.json
+++ b/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_emailAndName.json
@@ -1,9 +1,15 @@
 {
-    "author": {
-        "name": "Author Name",
-        "email": "email@example.org"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "author": {
+    "email": "email@example.org",
+    "name": "Author Name"
+  },
+  "authors": [
+    {
+      "email": "email@example.org",
+      "name": "Author Name"
+    }
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_name.json b/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_name.json
index 58ac0124..a64d63a2 100644
--- a/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_name.json
+++ b/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_name.json
@@ -1,8 +1,13 @@
 {
-    "author": {
-        "name": "Feed Editor"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "author": {
+    "name": "Feed Editor"
+  },
+  "authors": [
+    {
+      "name": "Feed Editor"
+    }
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_nameAndEmail.json b/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_nameAndEmail.json
index b83da699..09a26f81 100644
--- a/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_nameAndEmail.json
+++ b/testdata/translator/rss/feed_author_-_rss_channel_managingEditor_nameAndEmail.json
@@ -1,9 +1,15 @@
 {
-    "author": {
-        "name": "Feed Editor",
-        "email": "email@example.org"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "author": {
+    "email": "email@example.org",
+    "name": "Feed Editor"
+  },
+  "authors": [
+    {
+      "email": "email@example.org",
+      "name": "Feed Editor"
+    }
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_author_-_rss_channel_webMaster_email.json b/testdata/translator/rss/feed_author_-_rss_channel_webMaster_email.json
index 0839fe3b..efa8d855 100644
--- a/testdata/translator/rss/feed_author_-_rss_channel_webMaster_email.json
+++ b/testdata/translator/rss/feed_author_-_rss_channel_webMaster_email.json
@@ -1,8 +1,13 @@
 {
-    "author": {
-        "email": "email@example.org"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "author": {
+    "email": "email@example.org"
+  },
+  "authors": [
+    {
+      "email": "email@example.org"
+    }
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_author_-_rss_channel_webMaster_emailAndName.json b/testdata/translator/rss/feed_author_-_rss_channel_webMaster_emailAndName.json
index ae8c3b40..007b3bad 100644
--- a/testdata/translator/rss/feed_author_-_rss_channel_webMaster_emailAndName.json
+++ b/testdata/translator/rss/feed_author_-_rss_channel_webMaster_emailAndName.json
@@ -1,9 +1,15 @@
 {
-    "author": {
-        "name": "Feed WebMaster",
-        "email": "email@example.org"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "author": {
+    "email": "email@example.org",
+    "name": "Feed WebMaster"
+  },
+  "authors": [
+    {
+      "email": "email@example.org",
+      "name": "Feed WebMaster"
+    }
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_author_-_rss_channel_webMaster_name.json b/testdata/translator/rss/feed_author_-_rss_channel_webMaster_name.json
index d5ebf0cf..61319298 100644
--- a/testdata/translator/rss/feed_author_-_rss_channel_webMaster_name.json
+++ b/testdata/translator/rss/feed_author_-_rss_channel_webMaster_name.json
@@ -1,8 +1,13 @@
 {
-    "author": {
-        "name": "Feed WebMaster"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "author": {
+    "name": "Feed WebMaster"
+  },
+  "authors": [
+    {
+      "name": "Feed WebMaster"
+    }
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_author_-_rss_channel_webMaster_nameAndEmail.json b/testdata/translator/rss/feed_author_-_rss_channel_webMaster_nameAndEmail.json
index ae8c3b40..007b3bad 100644
--- a/testdata/translator/rss/feed_author_-_rss_channel_webMaster_nameAndEmail.json
+++ b/testdata/translator/rss/feed_author_-_rss_channel_webMaster_nameAndEmail.json
@@ -1,9 +1,15 @@
 {
-    "author": {
-        "name": "Feed WebMaster",
-        "email": "email@example.org"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "author": {
+    "email": "email@example.org",
+    "name": "Feed WebMaster"
+  },
+  "authors": [
+    {
+      "email": "email@example.org",
+      "name": "Feed WebMaster"
+    }
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_category_-_rss_channel_category.json b/testdata/translator/rss/feed_category_-_rss_channel_category.json
index 4f467171..2c8b9ef4 100644
--- a/testdata/translator/rss/feed_category_-_rss_channel_category.json
+++ b/testdata/translator/rss/feed_category_-_rss_channel_category.json
@@ -1,9 +1,9 @@
 {
-    "categories": [
-        "Feed Category 1",
-        "Feed Category 2"
-    ],
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "categories": [
+    "Feed Category 1",
+    "Feed Category 2"
+  ],
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_copyright_-_rss_channel_copyright.json b/testdata/translator/rss/feed_copyright_-_rss_channel_copyright.json
index 8e8ea060..fff69b26 100644
--- a/testdata/translator/rss/feed_copyright_-_rss_channel_copyright.json
+++ b/testdata/translator/rss/feed_copyright_-_rss_channel_copyright.json
@@ -1,6 +1,6 @@
 {
-    "copyright": "Feed Copyright",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "copyright": "Feed Copyright",
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_description_-_rdf_channel_description.json b/testdata/translator/rss/feed_description_-_rdf_channel_description.json
index 5d0e9d7b..819863c9 100644
--- a/testdata/translator/rss/feed_description_-_rdf_channel_description.json
+++ b/testdata/translator/rss/feed_description_-_rdf_channel_description.json
@@ -1,6 +1,6 @@
 {
-    "description": "Feed Description",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "1.0"
-}
+  "description": "Feed Description",
+  "feedType": "rss",
+  "feedVersion": "1.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_description_-_rss_channel_description.json b/testdata/translator/rss/feed_description_-_rss_channel_description.json
index 65ef2d65..8e85cbe8 100644
--- a/testdata/translator/rss/feed_description_-_rss_channel_description.json
+++ b/testdata/translator/rss/feed_description_-_rss_channel_description.json
@@ -1,6 +1,6 @@
 {
-    "description": "Feed Description",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "description": "Feed Description",
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_generator_-_rss_channel_generator.json b/testdata/translator/rss/feed_generator_-_rss_channel_generator.json
index 9ab2ce83..cbe5cc1c 100644
--- a/testdata/translator/rss/feed_generator_-_rss_channel_generator.json
+++ b/testdata/translator/rss/feed_generator_-_rss_channel_generator.json
@@ -1,6 +1,6 @@
 {
-    "generator": "Feed Generator",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "generator": "Feed Generator",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_image_-_rdf_image.json b/testdata/translator/rss/feed_image_-_rdf_image.json
index 2316ca89..4d00e8e5 100644
--- a/testdata/translator/rss/feed_image_-_rdf_image.json
+++ b/testdata/translator/rss/feed_image_-_rdf_image.json
@@ -1,9 +1,9 @@
 {
+  "feedType": "rss",
+  "feedVersion": "1.0",
   "image": {
-    "url": "http://xml.com/universal/images/xml_tiny.gif",
-    "title": "XML.com"
+    "title": "XML.com",
+    "url": "http://xml.com/universal/images/xml_tiny.gif"
   },
-  "items": [],
-  "feedType": "rss",
-  "feedVersion": "1.0"
-}
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_image_-_rss_channel_image.json b/testdata/translator/rss/feed_image_-_rss_channel_image.json
index 62386a39..bb1561fc 100644
--- a/testdata/translator/rss/feed_image_-_rss_channel_image.json
+++ b/testdata/translator/rss/feed_image_-_rss_channel_image.json
@@ -1,9 +1,9 @@
 {
-    "image": {
-        "url": "http://example.org/url",
-        "title": "Sample image"
-    },
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "0.91"
-}
+  "feedType": "rss",
+  "feedVersion": "0.91",
+  "image": {
+    "title": "Sample image",
+    "url": "http://example.org/url"
+  },
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_email.json b/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_email.json
index 44b21bff..53d3865a 100644
--- a/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_email.json
+++ b/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_email.json
@@ -1,11 +1,16 @@
 {
-    "items": [
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "author": {
+        "email": "email@example.org"
+      },
+      "authors": [
         {
-            "author": {
-                "email": "email@example.org"
-            }
+          "email": "email@example.org"
         }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_emailAndName.json b/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_emailAndName.json
index 9ee44c16..1c399c6c 100644
--- a/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_emailAndName.json
+++ b/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_emailAndName.json
@@ -1,12 +1,18 @@
 {
-    "items": [
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "author": {
+        "email": "email@example.org",
+        "name": "Author Name"
+      },
+      "authors": [
         {
-            "author": {
-                "name": "Author Name",
-                "email": "email@example.org"
-            }
+          "email": "email@example.org",
+          "name": "Author Name"
         }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_name.json b/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_name.json
index 8acb3ed8..75957973 100644
--- a/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_name.json
+++ b/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_name.json
@@ -1,11 +1,16 @@
 {
-    "items": [
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "author": {
+        "name": "Author Name"
+      },
+      "authors": [
         {
-            "author": {
-                "name": "Author Name"
-            }
+          "name": "Author Name"
         }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_nameAndEmail.json b/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_nameAndEmail.json
index 9ee44c16..1c399c6c 100644
--- a/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_nameAndEmail.json
+++ b/testdata/translator/rss/feed_item_author_-_rss_channel_item_author_nameAndEmail.json
@@ -1,12 +1,18 @@
 {
-    "items": [
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "author": {
+        "email": "email@example.org",
+        "name": "Author Name"
+      },
+      "authors": [
         {
-            "author": {
-                "name": "Author Name",
-                "email": "email@example.org"
-            }
+          "email": "email@example.org",
+          "name": "Author Name"
         }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_category_-_rss_channel_item_category.json b/testdata/translator/rss/feed_item_category_-_rss_channel_item_category.json
index f7bd46ee..726cb880 100644
--- a/testdata/translator/rss/feed_item_category_-_rss_channel_item_category.json
+++ b/testdata/translator/rss/feed_item_category_-_rss_channel_item_category.json
@@ -1,12 +1,12 @@
 {
-    "items": [
-        {
-            "categories": [
-                "Item Category 1",
-                "Item Category 2"
-            ]
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "categories": [
+        "Item Category 1",
+        "Item Category 2"
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_description_-_rdf_item_description.json b/testdata/translator/rss/feed_item_description_-_rdf_item_description.json
index 2306236a..a58bea63 100644
--- a/testdata/translator/rss/feed_item_description_-_rdf_item_description.json
+++ b/testdata/translator/rss/feed_item_description_-_rdf_item_description.json
@@ -1,9 +1,9 @@
 {
-    "items": [
-        {
-            "description": "Item Description"
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "1.0"
-}
+  "feedType": "rss",
+  "feedVersion": "1.0",
+  "items": [
+    {
+      "description": "Item Description"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_description_-_rss_channel_item_description.json b/testdata/translator/rss/feed_item_description_-_rss_channel_item_description.json
index 820a5026..00ca1dc8 100644
--- a/testdata/translator/rss/feed_item_description_-_rss_channel_item_description.json
+++ b/testdata/translator/rss/feed_item_description_-_rss_channel_item_description.json
@@ -1,9 +1,9 @@
 {
-    "items": [
-        {
-            "description": "Item Description"
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "description": "Item Description"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_enclosure_-_rss_channel_item_enclosure.json b/testdata/translator/rss/feed_item_enclosure_-_rss_channel_item_enclosure.json
index 58650141..bfb0af36 100644
--- a/testdata/translator/rss/feed_item_enclosure_-_rss_channel_item_enclosure.json
+++ b/testdata/translator/rss/feed_item_enclosure_-_rss_channel_item_enclosure.json
@@ -1,15 +1,15 @@
 {
-    "items": [
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "enclosures": [
         {
-            "enclosures": [
-                {
-                    "url": "http://example.org/podcast.mp3",
-                    "length": "123456",
-                    "type": "audio/mpeg"
-                }
-            ]
+          "length": "123456",
+          "type": "audio/mpeg",
+          "url": "http://example.org/podcast.mp3"
         }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_guid_-_rss_channel_item_guid.json b/testdata/translator/rss/feed_item_guid_-_rss_channel_item_guid.json
index 4a3895eb..20ca1e85 100644
--- a/testdata/translator/rss/feed_item_guid_-_rss_channel_item_guid.json
+++ b/testdata/translator/rss/feed_item_guid_-_rss_channel_item_guid.json
@@ -1,9 +1,9 @@
 {
-    "items": [
-        {
-            "guid": "abc123"
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "guid": "abc123"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_link_-_rdf_item_link.json b/testdata/translator/rss/feed_item_link_-_rdf_item_link.json
index 4bfe9295..ee5e963e 100644
--- a/testdata/translator/rss/feed_item_link_-_rdf_item_link.json
+++ b/testdata/translator/rss/feed_item_link_-_rdf_item_link.json
@@ -1,9 +1,9 @@
 {
-    "items": [
-        {
-            "link": "http://example.org"
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "1.0"
-}
+  "feedType": "rss",
+  "feedVersion": "1.0",
+  "items": [
+    {
+      "link": "http://example.org"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_link_-_rss_channel_item_link.json b/testdata/translator/rss/feed_item_link_-_rss_channel_item_link.json
index 05ea65b9..2ea96d08 100644
--- a/testdata/translator/rss/feed_item_link_-_rss_channel_item_link.json
+++ b/testdata/translator/rss/feed_item_link_-_rss_channel_item_link.json
@@ -1,9 +1,9 @@
 {
-    "items": [
-        {
-            "link": "http://example.org"
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "link": "http://example.org"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_published_-_rss_channel_item_pubDate.json b/testdata/translator/rss/feed_item_published_-_rss_channel_item_pubDate.json
index 65ba5614..bc011294 100644
--- a/testdata/translator/rss/feed_item_published_-_rss_channel_item_pubDate.json
+++ b/testdata/translator/rss/feed_item_published_-_rss_channel_item_pubDate.json
@@ -1,10 +1,10 @@
 {
-    "items": [
-        {
-            "published": "Thu, 01 Jan 2004 19:48:21 GMT",
-            "publishedParsed": "2004-01-01T19:48:21Z"
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "published": "Thu, 01 Jan 2004 19:48:21 GMT",
+      "publishedParsed": "2004-01-01T19:48:21Z"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_title_-_rdf_item_title.json b/testdata/translator/rss/feed_item_title_-_rdf_item_title.json
index d4b83178..10594024 100644
--- a/testdata/translator/rss/feed_item_title_-_rdf_item_title.json
+++ b/testdata/translator/rss/feed_item_title_-_rdf_item_title.json
@@ -1,9 +1,9 @@
 {
-    "items": [
-        {
-            "title": "Item Title"
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "1.0"
-}
+  "feedType": "rss",
+  "feedVersion": "1.0",
+  "items": [
+    {
+      "title": "Item Title"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_item_title_-_rss_channel_item_title.json b/testdata/translator/rss/feed_item_title_-_rss_channel_item_title.json
index 71cd0b0a..ba1e6dfd 100644
--- a/testdata/translator/rss/feed_item_title_-_rss_channel_item_title.json
+++ b/testdata/translator/rss/feed_item_title_-_rss_channel_item_title.json
@@ -1,9 +1,9 @@
 {
-    "items": [
-        {
-            "title": "Item 1 title"
-        }
-    ],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [
+    {
+      "title": "Item 1 title"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_language_-_rss_channel_language.json b/testdata/translator/rss/feed_language_-_rss_channel_language.json
index 490f1034..847002cb 100644
--- a/testdata/translator/rss/feed_language_-_rss_channel_language.json
+++ b/testdata/translator/rss/feed_language_-_rss_channel_language.json
@@ -1,6 +1,6 @@
 {
-    "language": "en-us",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [],
+  "language": "en-us"
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_link_-_rdf_channel_link.json b/testdata/translator/rss/feed_link_-_rdf_channel_link.json
index 5c382b2d..eb7c4e47 100644
--- a/testdata/translator/rss/feed_link_-_rdf_channel_link.json
+++ b/testdata/translator/rss/feed_link_-_rdf_channel_link.json
@@ -1,6 +1,6 @@
 {
-    "link": "http://example.org",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "1.0"
-}
+  "feedType": "rss",
+  "feedVersion": "1.0",
+  "items": [],
+  "link": "http://example.org"
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_link_-_rss_channel_atom_link.json b/testdata/translator/rss/feed_link_-_rss_channel_atom_link.json
index 904d3ad9..8c4f7fb5 100644
--- a/testdata/translator/rss/feed_link_-_rss_channel_atom_link.json
+++ b/testdata/translator/rss/feed_link_-_rss_channel_atom_link.json
@@ -1,22 +1,22 @@
-{  
-  "items": [],
-  "feedType": "rss",
-  "feedVersion": "2.0",
-  "feedLink": "http://example.org",
+{
   "extensions": {
-        "atom": {
-            "link": [
-                {
-                    "name": "link",
-                    "value": "",
-                    "attrs": {
-                        "href": "http://example.org",
-                        "rel": "self",
-                        "type": "application/rss+xml"
-                    },
-                    "children": {}
-                }
-            ]
+    "atom": {
+      "link": [
+        {
+          "attrs": {
+            "href": "http://example.org",
+            "rel": "self",
+            "type": "application/rss+xml"
+          },
+          "children": {},
+          "name": "link",
+          "value": ""
         }
+      ]
     }
-}
+  },
+  "feedLink": "http://example.org",
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": []
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_link_-_rss_channel_link.json b/testdata/translator/rss/feed_link_-_rss_channel_link.json
index 4f5bacce..a6d89343 100644
--- a/testdata/translator/rss/feed_link_-_rss_channel_link.json
+++ b/testdata/translator/rss/feed_link_-_rss_channel_link.json
@@ -1,6 +1,6 @@
 {
-    "link": "http://example.org",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [],
+  "link": "http://example.org"
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_published_-_rss_channel_pubDate.json b/testdata/translator/rss/feed_published_-_rss_channel_pubDate.json
index 903b2e96..548da204 100644
--- a/testdata/translator/rss/feed_published_-_rss_channel_pubDate.json
+++ b/testdata/translator/rss/feed_published_-_rss_channel_pubDate.json
@@ -1,7 +1,7 @@
 {
-    "published": "Thu, 01 Jan 2004 19:48:21 GMT",
-    "publishedParsed": "2004-01-01T19:48:21Z",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [],
+  "published": "Thu, 01 Jan 2004 19:48:21 GMT",
+  "publishedParsed": "2004-01-01T19:48:21Z"
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_title_-_rdf_channel_title.json b/testdata/translator/rss/feed_title_-_rdf_channel_title.json
index 9fab9973..655a3430 100644
--- a/testdata/translator/rss/feed_title_-_rdf_channel_title.json
+++ b/testdata/translator/rss/feed_title_-_rdf_channel_title.json
@@ -1,6 +1,6 @@
 {
-    "title": "Feed Title",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "1.0"
-}
+  "feedType": "rss",
+  "feedVersion": "1.0",
+  "items": [],
+  "title": "Feed Title"
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_title_-_rss_channel_title.json b/testdata/translator/rss/feed_title_-_rss_channel_title.json
index 7348f26a..27529800 100644
--- a/testdata/translator/rss/feed_title_-_rss_channel_title.json
+++ b/testdata/translator/rss/feed_title_-_rss_channel_title.json
@@ -1,6 +1,6 @@
 {
-    "title": "Feed Title",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [],
+  "title": "Feed Title"
+}
\ No newline at end of file
diff --git a/testdata/translator/rss/feed_updated_-_rss_channel_lastBuildDate.json b/testdata/translator/rss/feed_updated_-_rss_channel_lastBuildDate.json
index 900052e1..fc92ff3f 100644
--- a/testdata/translator/rss/feed_updated_-_rss_channel_lastBuildDate.json
+++ b/testdata/translator/rss/feed_updated_-_rss_channel_lastBuildDate.json
@@ -1,7 +1,7 @@
 {
-    "updated": "Sat, 07 Sep 2002 00:00:01 GMT",
-    "updatedParsed": "2002-09-07T00:00:01Z",
-    "items": [],
-    "feedType": "rss",
-    "feedVersion": "2.0"
-}
+  "feedType": "rss",
+  "feedVersion": "2.0",
+  "items": [],
+  "updated": "Sat, 07 Sep 2002 00:00:01 GMT",
+  "updatedParsed": "2002-09-07T00:00:01Z"
+}
\ No newline at end of file
diff --git a/translator.go b/translator.go
index 72942a22..3b80790c 100644
--- a/translator.go
+++ b/translator.go
@@ -44,6 +44,7 @@ func (t *DefaultRSSTranslator) Translate(feed interface{}) (*Feed, error) {
 	result.Published = t.translateFeedPublished(rss)
 	result.PublishedParsed = t.translateFeedPublishedParsed(rss)
 	result.Author = t.translateFeedAuthor(rss)
+	result.Authors = t.translateFeedAuthors(rss)
 	result.Language = t.translateFeedLanguage(rss)
 	result.Image = t.translateFeedImage(rss)
 	result.Copyright = t.translateFeedCopyright(rss)
@@ -67,6 +68,7 @@ func (t *DefaultRSSTranslator) translateFeedItem(rssItem *rss.Item) (item *Item)
 	item.Published = t.translateItemPublished(rssItem)
 	item.PublishedParsed = t.translateItemPublishedParsed(rssItem)
 	item.Author = t.translateItemAuthor(rssItem)
+	item.Authors = t.translateItemAuthors(rssItem)
 	item.GUID = t.translateItemGUID(rssItem)
 	item.Image = t.translateItemImage(rssItem)
 	item.Categories = t.translateItemCategories(rssItem)
@@ -175,6 +177,13 @@ func (t *DefaultRSSTranslator) translateFeedAuthor(rss *rss.Feed) (author *Perso
 	return
 }
 
+func (t *DefaultRSSTranslator) translateFeedAuthors(rss *rss.Feed) (authors []*Person) {
+	if author := t.translateFeedAuthor(rss); author != nil {
+		authors = []*Person{author}
+	}
+	return
+}
+
 func (t *DefaultRSSTranslator) translateFeedLanguage(rss *rss.Feed) (language string) {
 	if rss.Language != "" {
 		language = rss.Language
@@ -347,6 +356,14 @@ func (t *DefaultRSSTranslator) translateItemAuthor(rssItem *rss.Item) (author *P
 	return
 }
 
+func (t *DefaultRSSTranslator) translateItemAuthors(rssItem *rss.Item) (authors []*Person) {
+
+	if author := t.translateItemAuthor(rssItem); author != nil {
+		authors = []*Person{author}
+	}
+	return
+}
+
 func (t *DefaultRSSTranslator) translateItemGUID(rssItem *rss.Item) (guid string) {
 	if rssItem.GUID != nil {
 		guid = rssItem.GUID.Value
@@ -452,6 +469,7 @@ func (t *DefaultAtomTranslator) Translate(feed interface{}) (*Feed, error) {
 	result.Updated = t.translateFeedUpdated(atom)
 	result.UpdatedParsed = t.translateFeedUpdatedParsed(atom)
 	result.Author = t.translateFeedAuthor(atom)
+	result.Authors = t.translateFeedAuthors(atom)
 	result.Language = t.translateFeedLanguage(atom)
 	result.Image = t.translateFeedImage(atom)
 	result.Copyright = t.translateFeedCopyright(atom)
@@ -475,6 +493,7 @@ func (t *DefaultAtomTranslator) translateFeedItem(entry *atom.Entry) (item *Item
 	item.Published = t.translateItemPublished(entry)
 	item.PublishedParsed = t.translateItemPublishedParsed(entry)
 	item.Author = t.translateItemAuthor(entry)
+	item.Authors = t.translateItemAuthors(entry)
 	item.GUID = t.translateItemGUID(entry)
 	item.Image = t.translateItemImage(entry)
 	item.Categories = t.translateItemCategories(entry)
@@ -526,6 +545,22 @@ func (t *DefaultAtomTranslator) translateFeedAuthor(atom *atom.Feed) (author *Pe
 	return
 }
 
+func (t *DefaultAtomTranslator) translateFeedAuthors(atom *atom.Feed) (authors []*Person) {
+
+	if atom.Authors != nil {
+		authors = []*Person{}
+
+		for _, a := range atom.Authors {
+			authors = append(authors, &Person{
+				Name:  a.Name,
+				Email: a.Email,
+			})
+		}
+	}
+
+	return
+}
+
 func (t *DefaultAtomTranslator) translateFeedLanguage(atom *atom.Feed) (language string) {
 	return atom.Language
 }
@@ -626,6 +661,19 @@ func (t *DefaultAtomTranslator) translateItemAuthor(entry *atom.Entry) (author *
 	return
 }
 
+func (t *DefaultAtomTranslator) translateItemAuthors(entry *atom.Entry) (authors []*Person) {
+	if entry.Authors != nil {
+		authors = []*Person{}
+		for _, a := range entry.Authors {
+			authors = append(authors, &Person{
+				Name:  a.Name,
+				Email: a.Email,
+			})
+		}
+	}
+	return
+}
+
 func (t *DefaultAtomTranslator) translateItemGUID(entry *atom.Entry) (guid string) {
 	return entry.ID
 }
@@ -710,6 +758,8 @@ func (t *DefaultJSONTranslator) Translate(feed interface{}) (*Feed, error) {
 	result.Description = t.translateFeedDescription(json)
 	result.Image = t.translateFeedImage(json)
 	result.Author = t.translateFeedAuthor(json)
+	result.Authors = t.translateFeedAuthors(json)
+	result.Language = t.translateFeedLanguage(json)
 	result.Items = t.translateFeedItems(json)
 	result.Updated = t.translateFeedUpdated(json)
 	result.UpdatedParsed = t.translateFeedUpdatedParsed(json)
@@ -738,6 +788,7 @@ func (t *DefaultJSONTranslator) translateFeedItem(jsonItem *json.Item) (item *It
 	item.Updated = t.translateItemUpdated(jsonItem)
 	item.UpdatedParsed = t.translateItemUpdatedParsed(jsonItem)
 	item.Author = t.translateItemAuthor(jsonItem)
+	item.Authors = t.translateItemAuthors(jsonItem)
 	item.Categories = t.translateItemCategories(jsonItem)
 	item.Enclosures = t.translateItemEnclosures(jsonItem)
 	// TODO ExternalURL is missing in global Feed
@@ -816,6 +867,31 @@ func (t *DefaultJSONTranslator) translateFeedAuthor(json *json.Feed) (author *Pe
 	return
 }
 
+func (t *DefaultJSONTranslator) translateFeedAuthors(json *json.Feed) (authors []*Person) {
+
+	if json.Authors != nil {
+		authors = []*Person{}
+		for _, a := range json.Authors {
+			name, address := shared.ParseNameAddress(a.Name)
+			author := &Person{}
+			author.Name = name
+			author.Email = address
+
+			authors = append(authors, author)
+		}
+	} else if author := t.translateFeedAuthor(json); author != nil {
+		authors = []*Person{author}
+	}
+	// Author.URL is missing in global feed
+	// Author.Avatar is missing in global feed
+	return
+}
+
+func (t *DefaultJSONTranslator) translateFeedLanguage(json *json.Feed) (language string) {
+	language = json.Language
+	return
+}
+
 func (t *DefaultJSONTranslator) translateFeedImage(json *json.Feed) (image *Image) {
 	// Using the Icon rather than the image
 	// icon (optional, string) is the URL of an image for the feed suitable to be used in a timeline. It should be square and relatively large — such as 512 x 512
@@ -907,6 +983,26 @@ func (t *DefaultJSONTranslator) translateItemAuthor(jsonItem *json.Item) (author
 	return
 }
 
+func (t *DefaultJSONTranslator) translateItemAuthors(jsonItem *json.Item) (authors []*Person) {
+
+	if jsonItem.Authors != nil {
+		authors = []*Person{}
+		for _, a := range jsonItem.Authors {
+			name, address := shared.ParseNameAddress(a.Name)
+			author := &Person{}
+			author.Name = name
+			author.Email = address
+
+			authors = append(authors, author)
+		}
+	} else if author := t.translateItemAuthor(jsonItem); author != nil {
+		authors = []*Person{author}
+	}
+	// Author.URL is missing in global feed
+	// Author.Avatar is missing in global feed
+	return
+}
+
 func (t *DefaultJSONTranslator) translateItemGUID(jsonItem *json.Item) (guid string) {
 	if jsonItem.ID != "" {
 		guid = jsonItem.ID
diff --git a/translator_test.go b/translator_test.go
index 2cbbb8f5..bbd76d69 100644
--- a/translator_test.go
+++ b/translator_test.go
@@ -1,7 +1,6 @@
 package gofeed_test
 
 import (
-	"bytes"
 	jsonEncoding "encoding/json"
 	"fmt"
 	"io/ioutil"
@@ -9,11 +8,9 @@ import (
 	"path/filepath"
 	"strings"
 	"testing"
-	"time"
 
 	"github.com/mmcdole/gofeed"
 	"github.com/mmcdole/gofeed/atom"
-	ext "github.com/mmcdole/gofeed/extensions"
 	"github.com/mmcdole/gofeed/json"
 	"github.com/mmcdole/gofeed/rss"
 	"github.com/stretchr/testify/assert"
@@ -46,7 +43,7 @@ func TestDefaultRSSTranslator_Translate(t *testing.T) {
 		expected := &gofeed.Feed{}
 		jsonEncoding.Unmarshal(e, &expected)
 
-		if assert.Equal(t, actual, expected, "Feed file %s.xml did not match expected output %s.json", name, name) {
+		if assert.Equal(t, expected, actual, "Feed file %s.xml did not match expected output %s.json", name, name) {
 			fmt.Printf("OK\n")
 		} else {
 			fmt.Printf("Failed\n")
@@ -88,7 +85,7 @@ func TestDefaultAtomTranslator_Translate(t *testing.T) {
 		expected := &gofeed.Feed{}
 		jsonEncoding.Unmarshal(e, &expected)
 
-		if assert.Equal(t, actual, expected, "Feed file %s.xml did not match expected output %s.json", name, name) {
+		if assert.Equal(t, expected, actual, "Feed file %s.xml did not match expected output %s.json", name, name) {
 			fmt.Printf("OK\n")
 		} else {
 			fmt.Printf("Failed\n")
@@ -103,6 +100,47 @@ func TestDefaultAtomTranslator_Translate_WrongType(t *testing.T) {
 	assert.NotNil(t, err)
 }
 
+func TestDefaultJSONTranslator_Translate(t *testing.T) {
+	files, _ := filepath.Glob("testdata/translator/json/*.json")
+	for _, f := range files {
+		base := filepath.Base(f)
+		name := strings.TrimSuffix(base, filepath.Ext(base))
+
+		if strings.HasSuffix(name, "expected") {
+			continue
+		}
+
+		fmt.Printf("Testing %s... ", name)
+
+		// Get actual source feed
+		ff := fmt.Sprintf("testdata/translator/json/%s.json", name)
+		f, _ := os.Open(ff)
+		defer f.Close()
+
+		// Parse actual feed
+		translator := &gofeed.DefaultJSONTranslator{}
+		fp := json.Parser{}
+		jsonFeed, _ := fp.Parse(f)
+		actual, _ := translator.Translate(jsonFeed)
+
+		// Get json encoded expected feed result
+		ef := fmt.Sprintf("testdata/translator/json/%s_expected.json", name)
+		e, _ := ioutil.ReadFile(ef)
+
+		// Unmarshal expected feed
+		expected := &gofeed.Feed{}
+		jsonEncoding.Unmarshal(e, &expected)
+
+		if assert.Equal(t, expected, actual, "Feed file %s.json did not match expected output %s_expected.json", name, name) {
+			fmt.Printf("OK\n")
+		} else {
+			fmt.Printf("Failed\n")
+		}
+	}
+}
+
+/*
+
 func TestDefaultJSONTranslator_Translate(t *testing.T) {
 	name := "sample"
 	fmt.Printf("Testing %s... ", name)
@@ -179,6 +217,7 @@ func TestDefaultJSONTranslator_Translate(t *testing.T) {
 	assert.Equal(t, "https://sample-json-feed.com/banner_image.png", actual.Items[0].Image.URL)
 
 }
+*/
 
 func TestDefaultJSONTranslator_Translate_WrongType(t *testing.T) {
 	translator := &gofeed.DefaultJSONTranslator{}