upload-artifact/.github/workflows/test.yml

name: Test

on:
  push:
    branches:
      - main
    paths-ignore:
      - '**.md'
  pull_request:
    paths-ignore:
      - '**.md'

jobs:
  build:
    name: Build

    strategy:
      matrix:
        runs-on: [ubuntu-latest, macos-latest, windows-latest]
      fail-fast: false

    runs-on: ${{ matrix.runs-on }}

    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup Node 20
      uses: actions/setup-node@v4
      with:
        node-version: 20.x
        cache: 'npm'

    - name: Install dependencies
      run: npm ci

    - name: Compile
      run: npm run build

    - name: Lint
      run: npm run lint

    - name: Format
      run: npm run format-check

    - name: Test
      run: npm run test

    # Test end-to-end by uploading two artifacts and then downloading them
    - name: Create artifact files
      run: |
        mkdir -p path/to/dir-1
        mkdir -p path/to/dir-2
        mkdir -p path/to/dir-3
        echo "Lorem ipsum dolor sit amet" > path/to/dir-1/file1.txt
        echo "Hello world from file #2" > path/to/dir-2/file2.txt        

    # Upload a single file artifact
    - name: 'Upload artifact #1'
      uses: ./
      with:
        name: 'Artifact-A-${{ matrix.runs-on }}'
        path: path/to/dir-1/file1.txt

    # Upload using a wildcard pattern
    - name: 'Upload artifact #2'
      uses: ./
      with:
        name: 'Artifact-Wildcard-${{ matrix.runs-on }}'
        path: path/**/dir*/

    # Upload a multi-path artifact
    - name: 'Upload artifact #3'
      uses: ./
      with:
        name: 'Multi-Path-Artifact-${{ matrix.runs-on }}'
        path: |
          path/to/dir-1/*
          path/to/dir-[23]/*
          !path/to/dir-3/*.txt          

    # Download Artifact #1 and verify the correctness of the content
    - name: 'Download artifact #1'
      uses: actions/download-artifact@v4
      with:
        name: 'Artifact-A-${{ matrix.runs-on }}'
        path: some/new/path

    - name: 'Verify Artifact #1'
      run: |
        $file = "some/new/path/file1.txt"
        if(!(Test-Path -path $file))
        {
            Write-Error "Expected file does not exist"
        }
        if(!((Get-Content $file) -ceq "Lorem ipsum dolor sit amet"))
        {
            Write-Error "File contents of downloaded artifact are incorrect"
        }        
      shell: pwsh

    # Download Artifact #2 and verify the correctness of the content
    - name: 'Download artifact #2'
      uses: actions/download-artifact@v4
      with:
        name: 'Artifact-Wildcard-${{ matrix.runs-on }}'
        path: some/other/path

    - name: 'Verify Artifact #2'
      run: |
        $file1 = "some/other/path/to/dir-1/file1.txt"
        $file2 = "some/other/path/to/dir-2/file2.txt"
        if(!(Test-Path -path $file1) -or !(Test-Path -path $file2))
        {
            Write-Error "Expected files do not exist"
        }
        if(!((Get-Content $file1) -ceq "Lorem ipsum dolor sit amet") -or !((Get-Content $file2) -ceq "Hello world from file #2"))
        {
            Write-Error "File contents of downloaded artifacts are incorrect"
        }        
      shell: pwsh

    # Download Artifact #4 and verify the correctness of the content
    - name: 'Download artifact #4'
      uses: actions/download-artifact@v4
      with:
        name: 'Multi-Path-Artifact-${{ matrix.runs-on }}'
        path: multi/artifact

    - name: 'Verify Artifact #4'
      run: |
        $file1 = "multi/artifact/dir-1/file1.txt"
        $file2 = "multi/artifact/dir-2/file2.txt"
        if(!(Test-Path -path $file1) -or !(Test-Path -path $file2))
        {
            Write-Error "Expected files do not exist"
        }
        if(!((Get-Content $file1) -ceq "Lorem ipsum dolor sit amet") -or !((Get-Content $file2) -ceq "Hello world from file #2"))
        {
            Write-Error "File contents of downloaded artifacts are incorrect"
        }        
      shell: pwsh

    - name: 'Alter file 1 content'
      run: |
        echo "This file has changed" > path/to/dir-1/file1.txt        

    # Replace the contents of Artifact #1
    - name: 'Overwrite artifact #1'
      uses: ./
      with:
        name: 'Artifact-A-${{ matrix.runs-on }}'
        path: path/to/dir-1/file1.txt
        overwrite: true

    # Download replaced Artifact #1 and verify the correctness of the content
    - name: 'Download artifact #1 again'
      uses: actions/download-artifact@v4
      with:
        name: 'Artifact-A-${{ matrix.runs-on }}'
        path: overwrite/some/new/path

    - name: 'Verify Artifact #1 again'
      run: |
        $file = "overwrite/some/new/path/file1.txt"
        if(!(Test-Path -path $file))
        {
            Write-Error "Expected file does not exist"
        }
        if(!((Get-Content $file) -ceq "This file has changed"))
        {
            Write-Error "File contents of downloaded artifact are incorrect"
        }        
      shell: pwsh
  merge:
    name: Merge
    needs: build
    runs-on: ubuntu-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v4

    # Merge all artifacts from previous jobs
    - name: Merge all artifacts in run
      uses: ./merge/
      with:
        # our matrix produces artifacts with the same file, this prevents "stomping" on each other, also makes it
        # easier to identify each of the merged artifacts
        separate-directories: true
    - name: 'Download merged artifacts'
      uses: actions/download-artifact@v4
      with:
        name: merged-artifacts
        path: all-merged-artifacts
    - name: 'Check merged artifact has directories for each artifact'
      run: |
        $artifacts = @(
          "Artifact-A-ubuntu-latest",
          "Artifact-A-macos-latest",
          "Artifact-A-windows-latest",
          "Artifact-Wildcard-ubuntu-latest",
          "Artifact-Wildcard-macos-latest",
          "Artifact-Wildcard-windows-latest",
          "Multi-Path-Artifact-ubuntu-latest",
          "Multi-Path-Artifact-macos-latest",
          "Multi-Path-Artifact-windows-latest"
        )

        foreach ($artifact in $artifacts) {
          $path = "all-merged-artifacts/$artifact"
          if (!(Test-Path $path)) {
            Write-Error "$path does not exist."
          }
        }        
      shell: pwsh

    # Merge Artifact-A-* from previous jobs
    - name: Merge all Artifact-A
      uses: ./merge/
      with:
        name: Merged-Artifact-As
        pattern: 'Artifact-A-*'
        separate-directories: true

    # Download merged artifacts and verify the correctness of the content
    - name: 'Download merged artifacts'
      uses: actions/download-artifact@v4
      with:
        name: Merged-Artifact-As
        path: merged-artifact-a

    - name: 'Verify merged artifacts'
      run: |
        $files = @(
          "merged-artifact-a/Artifact-A-ubuntu-latest/file1.txt",
          "merged-artifact-a/Artifact-A-macos-latest/file1.txt",
          "merged-artifact-a/Artifact-A-windows-latest/file1.txt"
        )

        foreach ($file in $files) {
          if (!(Test-Path $file)) {
            Write-Error "$file does not exist."
          }

          if (!((Get-Content $file) -ceq "This file has changed")) {
            Write-Error "$file has incorrect content."
          }
        }        
      shell: pwsh