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Avocado

Another Validator of OpenAPI spec repository Configuration And Directories.

Build Status

NPM: https://www.npmjs.com/package/@azure/avocado

Overview

Avocado validates folder structure and configuration.

Avocado can be integrated into Azure pipeline to validate OpenAPI spec repository. For example, Avocado is used by Azure/azure-rest-api-specs now that will trigger automatically by azure DevOps pipeline when a new pull request is created.

Avocado major functions are listed below:

  • For a given directory validate whether exists specification and filter readme.md under the specification folder.
  • Validate whether readme.md is autorest specific file which must contain see https://aka.ms/autorest
  • Validate whether swagger file is valid json file, and check all referenced json file (referenced json file marked in json object has the key name "$ref").
  • Validate whether the folder has any files without being referenced. swagger file must be referenced by readme.md or other swagger file.
  • Validate whether swagger file has a circular reference and report a warning. For more detail, see CIRCULAR REFERENCE
  • Validate whether each RP folder contains readme file for SDK generation.

How to use

Install

npm install -g @azure/avocado

Usage

  • avocado -h show help message
  • avocado validate current directory
  • avocado -d <my-folder-path> validate <my-folder-path> directory
  • avocado -d <my-folder-path> --excludePaths 'common-types' validate folder and exclude errors from 'common-types'

Example

  • Run all specs: Clone the repo azure/azure-rest-api-specs and run "avocado" in folder azure/azure-rest-api-specs.
  • Run single service specs: create a folder specification. and move your service specs folder in specification. run "avocado"

How to solve errors

JSON_PARSE

Level: ERROR

To solve json parse error, you need make sure the json format is valid.

NO_JSON_FILE_FOUND

Level: ERROR

Readme file references a non-existing json file. To solve the error you need to check whether the json file is existing.

UNREFERENCED_JSON_FILE

Level: ERROR

Json file must be referenced by the readme input file section or other json files. Eg, example swagger file should be referenced by main swagger json and for SDK generation main swagger should be referenced by the readme input file section. To solve the error you need to place the non-referenced file to proper place.

MISSING_README

Level: ERROR

Each resource provider folder must have a readme file which is required by downstream SDK generation. To solve the error, you need create a readme file contains SDK generation config.

NOT_AUTOREST_MARKDOWN

Level: ERROR

Each readme in resource provider folder should follow autorest markdown format. To solve the error, you need check the readme block quote whether contains see https://aka.ms/autorest literally.

INCONSISTENT_API_VERSION

Level: ERROR

Swagger json file api version must consistent with its file path. Swagger can define swagger 2.0 basic-structure which contains api version. To solve the error, you need modify either your swagger file location or swagger file api version to make both of them consistent.

CIRCULAR_REFERENCE

Level: WARNING

To solve circular reference, you should break the circular chain.

Example: a.json -> b.json->c.json

// a.json
{ "$ref": "b.json" }
// b.json
{ "$ref": "c.json" }
// c.json
{ "$ref": "a.json" }
graph TD

A((a.json))-->B((b.json))
B-->C((c.json))
C-->A
Loading

MULTIPLE_API_VERSION

Level: WARNING

The default tag should contain only one API version swagger.

To solve this warning , you should copy the swaggers of old version into the current version folder.

INVALID_FILE_LOCATION

Level: WARNING

The management plane swagger JSON file does not match its folder path. Make sure management plane swagger located in resource-manager folder

To solve this warning, you should make sure manager plane swagger located in resource-manager folder.

MISSING_APIS_IN_DEFAULT_TAG

Level: ERROR

The default API version tag (as seen in the Basic information section in the AutoRest configuration file (the README file)) should contain all API paths. The API path `${0}` is not present in any OpenAPI .json files enumerated in the list of paths included in the default tag, as seen in the relevant Tag: section in the AutoRest configuration file (the README file).

To fix this error include an OpenAPI .json file path in the list of the default API version tag paths (in the relevant Tag: section) that includes the missing API path.

IMPORTANT: The error may point to a previous API version. This does not mean this is a false positive! It means that the previous API version has an API path that is missing from the default API version.

Common scenarios where Avocado fails your PR correctly:

  • Often the API path is missing from the default API version due to casing mismatch; e.g. the path in the new API version has resourceGroups in it while the previous one has resourcegroups. See examples below.
  • If Avocado reports missing a path that you have intentionally deprecated or intentionally removed but the API version is publicly released (GA, generaly available, not in preview) first you need to get Breaking Change Board approval. Follow the breaking change process from step 1 in this diagram. If you already got such approval in a previous PR, follow the suppression guide. Mention the scenario you identified.

Known scenarios where Avocado reports false positive: Avocado may incorrectly report failures in following two scenarios:

  • Your API is deprecated/obsolete #6627 (example case in PR 24771)
  • Your API is using the service group folder #6201

If you are dealing with one of these scenarios, follow the suppression guide. Mention the scenario you identified.

When this error can be suppressed: If the missing API path is deprecated then you can suppress this error. Follow this [suppresion guide].

For example detailed analyses of occurrences of such errors, see these GitHub comments:

NOT_LATEST_API_VERSION_IN_DEFAULT_TAG

Level: ERROR

The default API version tag (as seen in the Basic information section in the AutoRest configuration file (the README file)) does not contain the latest API version of given OpenAPI .json file.

To fix this error, please make sure the .json file at the latest API version path is included in the list of paths for the default tag, in the relevant Tag: section in the AutoRest configuration file (the README file). Alternatively, change the default API version tag to a valid one by editing the Basic information section.

For an example detailed analysis of an occurrence of such error, see this GitHub comment.

MULTIPLE_DEFAULT_TAGS

Level: ERROR

The readme file has more than one default tag.

The expectation is there is only one default tag, which leads to one SDK package. To release separate SDK packages upon different service resources of the same RP, may consider adopting Folder Structure for Service Group, which supports a readme configuration file under each sub folder.

INVALID_TYPESPEC_LOCATION

Level: ERROR

TypeSpec file is not allowed in resource-manager or data-plane folder.

To fix this error. You should move TypeSpec file to TypeSpec folder.

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com.

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.