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Coo usar scripts para testar seu código em um executor

Como usar recursos essenciais do GitHub Actions para integração contínua (CI).

Observação: no momento, não há suporte para os executores hospedados no GitHub no GitHub Enterprise Server. Você pode ver mais informações sobre o suporte futuro planejado no GitHub public roadmap.

Visão geral de exemplo

Este artigo usa um fluxo de trabalho de exemplo para demonstrar alguns dos principais recursos de CI do GitHub Actions. Quando esse fluxo de trabalho é disparado, ele executa automaticamente um script que verifica se o site Docs do GitHub tem links desfeitos.

O diagrama a seguir mostra uma visão de alto nível das etapas do fluxo de trabalho e como elas são executadas no trabalho:

Diagrama de um evento que dispara um fluxo de trabalho que usa scripts para testar o código.

Recursos usados neste exemplo

O fluxo de trabalho de exemplo demonstra os seguintes recursos do GitHub Actions.

RecursoImplementação
Como disparar um fluxo de trabalho a ser executado automaticamentepush
Como disparar um fluxo de trabalho a ser executado automaticamentepull_request
Como executar um fluxo de trabalho manualmente usando a interface do usuárioworkflow_dispatch
Definir permissões para o tokenpermissions
Como controlar quantas execuções de fluxo de trabalho ou trabalhos podem ser executadas ao mesmo tempoconcurrency
Como executar o trabalho em diferentes executores, dependendo do repositórioruns-on
Como instalar o node no executoractions/setup-node
Como usar uma ação de terceirostrilom/file-changes-action

Fluxo de trabalho de exemplo

O fluxo de trabalho a seguir foi criado pela equipe de engenharia de Docs do GitHub. Para revisar a versão mais recente deste arquivo no repositório github/docs, confira check-broken-links-github-github.yml.

O fluxo de trabalho a seguir renderiza o conteúdo de todas as páginas da documentação e verifica todos os links internos para garantir que eles se conectem corretamente.

YAML
name: 'Link Checker: All English'

Isso define o nome do fluxo de trabalho, conforme ele será exibido na guia "Ações" do repositório do GitHub repository.

on:

The on key lets you define the events that trigger when the workflow is run. You can define multiple events here. For more information, see "Acionando um fluxo de trabalho."

  workflow_dispatch:

Add the workflow_dispatch event if you want to be able to manually run this workflow from the UI. For more information, see workflow_dispatch.

  push:
    branches:
      - main

Add the push event, so that the workflow runs automatically every time a commit is pushed to a branch called main. For more information, see push.

  pull_request:

Add the pull_request event, so that the workflow runs automatically every time a pull request is created or updated. For more information, see pull_request.

permissions:
  contents: read
  pull-requests: read

This modifies the default permissions granted to GITHUB_TOKEN. This will vary depending on the needs of your workflow. For more information, see "Atribuindo permissões aos trabalhos."

In this example, the pull-requests: read permission is needed for the trilom/file-changes-action action that is used later in this workflow.

concurrency:
  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
  cancel-in-progress: true

The concurrency key ensures that only a single workflow in the same concurrency group will run at the same time. For more information, see "Usando simultaneidade." concurrency.group generates a concurrency group name from the workflow name and pull request information. The || operator is used to define fallback values. concurrency.cancel-in-progress cancels any currently running job or workflow in the same concurrency group.

jobs:

The jobs key groups together all the jobs that run in the workflow file.

  check-links:

This line defines a job with the ID check-links that is stored within the jobs key.

    runs-on: ${{ fromJSON('["ubuntu-latest", "self-hosted"]')[github.repository == 'github/docs-internal'] }}

The runs-on key in this example configures the job to run on a GitHub-hosted runner or a self-hosted runner, depending on the repository running the workflow.

In this example, the job will run on a self-hosted runner if the repository is named docs-internal and is within the github organization. If the repository doesn't match this path, then it will run on an ubuntu-latest runner hosted by GitHub. For more information on these options, see "Escolhendo o executor para um trabalho."

    steps:

The steps key groups together all the steps that will run as part of the check-links job. Each job in a workflow has its own steps section.

      - name: Checkout
        uses: actions/checkout@v4

The uses key tells the job to retrieve the action named actions/checkout. This is an action that checks out your repository and downloads it to the runner, allowing you to run actions against your code (such as testing tools). You must use the checkout action any time your workflow will use the repository's code or you are using an action defined in the repository.

      - name: Setup node
        uses: actions/setup-node@v4
        with:
          node-version: 16.13.x
          cache: npm

This step uses the actions/setup-node action to install the specified version of the Node.js software package on the runner, which gives you access to the npm command.

      - name: Install
        run: npm ci

The run key tells the job to execute a command on the runner. In this example, npm ci is used to install the npm software packages for the project.

      - name: Gather files changed
        uses: trilom/file-changes-action@a6ca26c14274c33b15e6499323aac178af06ad4b
        with:
          fileOutput: 'json'

This step uses the trilom/file-changes-action action to gather all the changed files. This example is pinned to a specific version of the action, using the a6ca26c14274c33b15e6499323aac178af06ad4b SHA.

In this example, this step creates the file "${{ env.HOME }}/files.json", among others.

      - name: Show files changed
        run: cat $HOME/files.json

To help with verification, this step lists the contents of files.json. This will be visible in the workflow run's log, and can be useful for debugging.

      - name: Link check (warnings, changed files)
        run: |
          ./script/rendered-content-link-checker.mjs \
            --language en \
            --max 100 \
            --check-anchors \
            --check-images \
            --verbose \
            --list $HOME/files.json

This step uses the run command to execute a script that is stored in the repository at script/rendered-content-link-checker.mjs and passes all the parameters it needs to run.

      - name: Link check (critical, all files)
        run: |
          ./script/rendered-content-link-checker.mjs \
            --language en \
            --exit \
            --verbose \
            --check-images \
            --level critical

This step also uses run command to execute a script that is stored in the repository at script/rendered-content-link-checker.mjs and passes a different set of parameters.

# Isso define o nome do fluxo de trabalho, conforme ele será exibido na guia "Ações" do repositório do GitHub repository.
name: 'Link Checker: All English'

# The `on` key lets you define the events that trigger when the workflow is run. You can define multiple events here. For more information, see "[AUTOTITLE](/actions/using-workflows/triggering-a-workflow#using-events-to-trigger-workflows)."
on:
# Add the `workflow_dispatch` event if you want to be able to manually run this workflow from the UI. For more information, see [`workflow_dispatch`](/actions/using-workflows/events-that-trigger-workflows#workflow_dispatch).
  workflow_dispatch:
  # Add the `push` event, so that the workflow runs automatically every time a commit is pushed to a branch called `main`. For more information, see [`push`](/actions/using-workflows/events-that-trigger-workflows#push).
  push:
    branches:
      - main
  # Add the `pull_request` event, so that the workflow runs automatically every time a pull request is created or updated. For more information, see [`pull_request`](/actions/using-workflows/events-that-trigger-workflows#pull_request).
  pull_request:

# This modifies the default permissions granted to `GITHUB_TOKEN`. This will vary depending on the needs of your workflow. For more information, see "[AUTOTITLE](/actions/using-jobs/assigning-permissions-to-jobs)."
#
# In this example, the `pull-requests: read` permission is needed for the `trilom/file-changes-action` action that is used later in this workflow.
permissions:
  contents: read
  pull-requests: read
# The `concurrency` key ensures that only a single workflow in the same concurrency group will run at the same time. For more information, see "[AUTOTITLE](/actions/using-jobs/using-concurrency)."
# `concurrency.group` generates a concurrency group name from the workflow name and pull request information. The `||` operator is used to define fallback values. 
# `concurrency.cancel-in-progress` cancels any currently running job or workflow in the same concurrency group.
concurrency:
  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
  cancel-in-progress: true

# The `jobs` key groups together all the jobs that run in the workflow file.
jobs:
  # This line defines a job with the ID `check-links` that is stored within the `jobs` key.
  check-links:
    # The `runs-on` key in this example configures the job to run on a GitHub-hosted runner or a self-hosted runner, depending on the repository running the workflow. 
    # 
    # In this example, the job will run on a self-hosted runner if the repository is named `docs-internal` and is within the `github` organization. If the repository doesn't match this path, then it will run on an `ubuntu-latest` runner hosted by GitHub. For more information on these options, see "[AUTOTITLE](/actions/using-jobs/choosing-the-runner-for-a-job)."
    runs-on: ${{ fromJSON('["ubuntu-latest", "self-hosted"]')[github.repository == 'github/docs-internal'] }}
    # The `steps` key groups together all the steps that will run as part of the `check-links` job. Each job in a workflow has its own `steps` section.
    steps:
      # The `uses` key tells the job to retrieve the action named `actions/checkout`. This is an action that checks out your repository and downloads it to the runner, allowing you to run actions against your code (such as testing tools). You must use the checkout action any time your workflow will use the repository's code or you are using an action defined in the repository.
      - name: Checkout
        uses: actions/checkout@v4

      # This step uses the `actions/setup-node` action to install the specified version of the Node.js software package on the runner, which gives you access to the `npm` command.
      - name: Setup node
        uses: actions/setup-node@v4
        with:
          node-version: 16.13.x
          cache: npm

      # The `run` key tells the job to execute a command on the runner. In this example, `npm ci` is used to install the npm software packages for the project.
      - name: Install
        run: npm ci

      # This step uses the `trilom/file-changes-action` action to gather all the changed files. This example is pinned to a specific version of the action, using the `a6ca26c14274c33b15e6499323aac178af06ad4b` SHA.
      # 
      # In this example, this step creates the file "${{ env.HOME }}/files.json", among others.
      - name: Gather files changed
        uses: trilom/file-changes-action@a6ca26c14274c33b15e6499323aac178af06ad4b
        with:
          fileOutput: 'json'

      # To help with verification, this step lists the contents of `files.json`. This will be visible in the workflow run's log, and can be useful for debugging.
      - name: Show files changed
        run: cat $HOME/files.json

      # This step uses the `run` command to execute a script that is stored in the repository at `script/rendered-content-link-checker.mjs` and passes all the parameters it needs to run.
      - name: Link check (warnings, changed files)
        run: |
          ./script/rendered-content-link-checker.mjs \
            --language en \
            --max 100 \
            --check-anchors \
            --check-images \
            --verbose \
            --list $HOME/files.json

      # This step also uses `run` command to execute a script that is stored in the repository at `script/rendered-content-link-checker.mjs` and passes a different set of parameters.
      - name: Link check (critical, all files)
        run: |
          ./script/rendered-content-link-checker.mjs \
            --language en \
            --exit \
            --verbose \
            --check-images \
            --level critical

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