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GitHub Action

Dynamic checklist

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Dynamic checklist

Analyze code and create a dynamic checklist, by commenting on PR

Installation

Copy and paste the following snippet into your .yml file.

- name: Dynamic checklist
  uses: vishalsinha21/dynamic-checklist@v1
Learn more about this action in vishalsinha21/dynamic-checklist
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Dynamic checklist

Tests are nice, but they are not written for everything, especially when few things seems obvious or like a best practice.

For example, it's a best practice to close resources in finally block but this is not usually tested through a test case. Experienced developer usually finds this during review, but even they can miss sometimes.

Or may be you are creating index, which is ok if it's a small table, but it should be created concurrently for big tables so that rows are not locked for long time in production.

This action provides that safety net, or an extra set of eyes.

It will analyze the code for given keywords, given by you and will create a point in the checklist if that keyword is found in the code.

You can have multiple keywords map to same comment.

And that's the only input for this action. A mapping file which contains mapping of keywords to comments. You can keep this mapping.json at the root of your repo and even name it the way you want. Just ensure to refer it correctly in workflow file.

Example mapping.json

{
  "mappings": [
    {
      "keywords": ["create index", "createIndex"],
      "comment": "Indexes have been created concurrently in big tables"
    },
    {
      "keywords": ["connection", "session", "CloseableHttpClient", "HttpClient"],
      "comment": "Resources have been closed in finally block or using try-with-resources"
    },
    {
      "keywords": ["RequestMapping", "GetMapping", "PostMapping", "PutMapping"],
      "comment": "Endpoint URLs exposed by application use only small case"
    },
    {
      "keywords": ["keyword1", "keyword2"],
      "comment": "Expert comment"
    }
  ]
}

The output of this action is a formatted checklist in md format, like this:

Checklist:

  • Indexes have been created concurrently in big tables
  • Resources have been closed in finally block or using try-with-resources
  • Endpoint URLs exposed by application use only small case
  • Expert comment

This action will analyze the diff of the pull request, and based on the diff and mapping file given by you, will comment on the PR with dynamic checklist, hence the name.

Example to configure it:

name: "Dynamic checklist"

on:
  pull_request:
    branches: [ master ]

jobs:
  checklist_job:
    runs-on: ubuntu-latest
    name: A job to create dynamic checklist
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2
      - name: Dynamic checklist action
        uses: vishalsinha21/dynamic-checklist@v1
        with:
          mappingFile: 'mapping.json'
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

Here is one more example to configure it, and print the output (formatted checklist) of dynamic checklist action

name: "Dynamic checklist"

on:
  pull_request:
    branches: [ master ]

jobs:
  checklist_job:
    runs-on: ubuntu-latest
    name: A job to create dynamic checklist
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2
      - name: Dynamic checklist action
        id: dynamic_checklist
        uses: vishalsinha21/dynamic-checklist@v1
        with:
          mappingFile: 'mapping.json'
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
      - name: Print checklist
        run: echo "The final checklist ${{ steps.dynamic_checklist.outputs.checklist }}"

The path to mapping file is relative to your repo root directory. For example, if you keep your mapping.json file inside a checklist directory inside repo's root directory then configure path as show below:

        with:
          mappingFile: './checklist/mapping.json'

Logs of this action does not prints the pull request diff by default, it gets printed at debug level. In case you are interested in looking at the pull request diff, and the newly added line then add secret 'ACTIONS_STEP_DEBUG' as true in the settings of your repo. More details here

Here is a PR with example of how to add this github action to your repo along with mapping file. It also shows the example of how a comment would be made on the pull request. Since the added mapping file has all the keywords, it adds all possible comments to the checklist.

Here is an example which shows the dynamic checklist which was created based on the changes as part of that pull request. Only 2 comments have been added in this particular instance based on code diff and mapping file in the repo.