Added new version check

.golangci.yml

@@ -29,6 +29,7 @@ linters:
     - gofmt
     - gofumpt
     - nolintlint
+    - tagliatelle
 presets:
     - bugs
     - comment

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/go-http-utils/headers v0.0.0-20181008091004-fed159eddc2a
 	github.com/gojuno/minimock/v3 v3.0.10
 	github.com/gorilla/mux v1.8.0
+	github.com/hashicorp/go-version v1.6.0
 	github.com/pseidemann/finish v1.2.0
 	github.com/pterm/pterm v0.12.49
 	github.com/spf13/afero v1.9.3

go.sum

@@ -153,6 +153,8 @@ github.com/gookit/color v1.5.2 h1:uLnfXcaFjlrDnQDT+NCBcfhrXqYTx/rcCa6xn01Y8yI=
 github.com/gookit/color v1.5.2/go.mod h1:w8h4bGiHeeBpvQVePTutdbERIUf3oJE5lZ8HM0UgXyg=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/hashicorp/go-version v1.6.0 h1:feTTfFNnjP967rlCxM/I9g701jU+RN74YKx2mOkIeek=
+github.com/hashicorp/go-version v1.6.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=

internal/contracts/http_client.go

@@ -0,0 +1,7 @@
+package contracts
+
+import "net/http"
+
+type HTTPClient interface {
+	Do(req *http.Request) (*http.Response, error)
+}

internal/middlewares/mock/model.go

@@ -3,7 +3,7 @@ package mock
 type Response struct {
 	Code       int               `yaml:"code"`
 	Headers    map[string]string `yaml:"headers"`
-	RawContent string            `yaml:"raw-content"` //nolint:tagliatelle
+	RawContent string            `yaml:"raw-content"`
 	File       string            `yaml:"file"`
 }
 

internal/middlewares/proxy/middleware.go

@@ -13,7 +13,7 @@ import (
 
 type Middleware struct {
 	replacers contracts.URLReplacerFactory
-	http      *http.Client
+	http      contracts.HTTPClient
 	logger    contracts.Logger
 }
 

internal/middlewares/proxy/options.go

@@ -1,8 +1,6 @@
 package proxy
 
 import (
-	"net/http"
-
 	"github.com/evg4b/uncors/internal/contracts"
 )
 
@@ -14,7 +12,7 @@ func WithURLReplacerFactory(replacerFactory contracts.URLReplacerFactory) Middle
 	}
 }
 
-func WithHTTPClient(http *http.Client) MiddlewareOption {
+func WithHTTPClient(http contracts.HTTPClient) MiddlewareOption {
 	return func(m *Middleware) {
 		m.http = http
 	}

internal/ui/last_version_check.go

@@ -0,0 +1,63 @@
+//go:build release
+
+package ui
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/url"
+
+	"github.com/evg4b/uncors/internal/contracts"
+	"github.com/evg4b/uncors/internal/log"
+	version "github.com/hashicorp/go-version"
+)
+
+const lastVersionUrl = "https://api.github.com/repos/evg4b/uncors/releases/latest"
+
+type versionInfo struct {
+	Version string `json:"tag_name"`
+}
+
+func CheckLastVersion(client contracts.HTTPClient, rewCurrectVersion string) {
+	log.Debug("Checking new version")
+
+	currectVersion, err := version.NewVersion(rewCurrectVersion)
+	if err != nil {
+		log.Debugf("failed to parse currect version: %v", err)
+
+		return
+	}
+
+	url, _ := url.Parse(lastVersionUrl)
+	response, err := client.Do(&http.Request{URL: url})
+	if err != nil {
+		log.Debugf("http error ocupted: %v", err)
+
+		return
+	}
+
+	defer response.Body.Close()
+	decoder := json.NewDecoder(response.Body)
+
+	lastVersionInfo := versionInfo{}
+	err = decoder.Decode(&lastVersionInfo)
+	if err != nil {
+		log.Debugf("failed to parse last version respoce: %v", err)
+
+		return
+	}
+
+	lastVersion, err := version.NewVersion(lastVersionInfo.Version)
+	if err != nil {
+		log.Debugf("failed to parse last version: %v", err)
+
+		return
+	}
+
+	if lastVersion.GreaterThan(currectVersion) {
+		log.Infof(NewVersionIsAvailable, currectVersion.String(), lastVersion.String())
+		log.Print("\n")
+	} else {
+		log.Debug("Version is up to date")
+	}
+}

internal/ui/last_version_check_debug.go

@@ -0,0 +1,12 @@
+//go:build !release
+
+package ui
+
+import (
+	"github.com/evg4b/uncors/internal/contracts"
+	"github.com/evg4b/uncors/internal/log"
+)
+
+func CheckLastVersion(client contracts.HTTPClient, rewCurrectVersion string) {
+	log.Debug("Check new version stub")
+}

internal/ui/last_version_check_test.go

@@ -0,0 +1,109 @@
+//go:build release
+
+package ui_test
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/evg4b/uncors/internal/contracts"
+	"github.com/evg4b/uncors/internal/log"
+	"github.com/evg4b/uncors/internal/ui"
+	"github.com/evg4b/uncors/testing/mocks"
+	"github.com/evg4b/uncors/testing/testutils"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCheckLastVersion(t *testing.T) {
+	log.DisableColor()
+	log.EnableDebugMessages()
+
+	t.Run("do not panic where", func(t *testing.T) {
+		tests := []struct {
+			name     string
+			client   contracts.HTTPClient
+			version  string
+			expected string
+		}{
+			{
+				name:     "currect version is not correct",
+				client:   mocks.NewHttpClientMock(t),
+				version:  "#",
+				expected: "   DEBUG  Checking new version\n   DEBUG  failed to parse currect version: Malformed version: #\n",
+			},
+			{
+				name: "http error is occuped",
+				client: mocks.NewHttpClientMock(t).
+					DoMock.Return(nil, errors.New("some http error")),
+				version:  "0.0.3",
+				expected: "   DEBUG  Checking new version\n   DEBUG  http error ocupted: some http error\n",
+			},
+			{
+				name: "invalid json received",
+				client: mocks.NewHttpClientMock(t).
+					DoMock.Return(&http.Response{
+					Body: io.NopCloser(strings.NewReader(`{ "version"`)),
+				}, nil),
+				version:  "0.0.3",
+				expected: "   DEBUG  Checking new version\n   DEBUG  failed to parse last version respoce: unexpected EOF\n",
+			},
+			{
+				name: "incorrect json from api received",
+				client: mocks.NewHttpClientMock(t).
+					DoMock.Return(&http.Response{
+					Body: io.NopCloser(strings.NewReader(`{ "tag_name": "#" }`)),
+				}, nil),
+				version:  "0.0.3",
+				expected: "   DEBUG  Checking new version\n   DEBUG  failed to parse last version: Malformed version: #\n",
+			},
+		}
+		for _, testCase := range tests {
+			t.Run(testCase.name, testutils.LogTest(func(t *testing.T, output *bytes.Buffer) {
+				assert.NotPanics(t, func() {
+					ui.CheckLastVersion(testCase.client, testCase.version)
+
+					outputData, err := ioutil.ReadAll(output)
+					testutils.CheckNoError(t, err)
+
+					assert.Equal(t, testCase.expected, string(outputData))
+				})
+			}))
+		}
+	})
+
+	t.Run("should print ", func(t *testing.T) {
+		t.Run("prop1", testutils.LogTest(func(t *testing.T, output *bytes.Buffer) {
+			httpClient := mocks.NewHttpClientMock(t).
+				DoMock.Return(&http.Response{Body: io.NopCloser(strings.NewReader(`{ "tag_name": "0.0.7" }`))}, nil)
+
+			ui.CheckLastVersion(httpClient, "0.0.4")
+
+			outputData, err := ioutil.ReadAll(output)
+			testutils.CheckNoError(t, err)
+			expected := `   DEBUG  Checking new version
+    INFO  NEW VERSION IS Available!
+          0.0.4 is not latest, you should upgrade to 0.0.7.
+          See more information on https://github.com/evg4b/uncors/releases
+
+`
+			assert.Equal(t, expected, string(outputData))
+		}))
+
+		t.Run("prop2", testutils.LogTest(func(t *testing.T, output *bytes.Buffer) {
+			httpClient := mocks.NewHttpClientMock(t).
+				DoMock.Return(&http.Response{Body: io.NopCloser(strings.NewReader(`{ "tag_name": "0.0.7" }`))}, nil)
+
+			ui.CheckLastVersion(httpClient, "0.0.7")
+
+			outputData, err := ioutil.ReadAll(output)
+			testutils.CheckNoError(t, err)
+			expected := "   DEBUG  Checking new version\n   DEBUG  Version is up to date\n"
+			assert.Equal(t, expected, string(outputData))
+		}))
+	})
+}

internal/ui/messages.go

@@ -1,5 +1,10 @@
 package ui
 
-var DisclamerMesssage = `DON'T USE IT FOR PRODUCTION!
+const DisclamerMesssage = `DON'T USE IT FOR PRODUCTION!
 This is a reverse proxy for use in testing or debugging web applications locally.
 It hasn't been reviewed for security issues.`
+
+const NewVersionIsAvailable = `NEW VERSION IS Available!
+%s is not latest, you should upgrade to %s.
+See more information on https://github.com/evg4b/uncors/releases
+`

main.go

@@ -152,6 +152,8 @@ func main() {
 	log.Info(ui.Mappings(mappings, mocksDefs))
 	log.Print("\n")
 
+	go ui.CheckLastVersion(httpClient, Version)
+
 	finisher.Wait()
 
 	log.Info("Server was stopped")