V2 Download Artifact (#27)

* V2 Preview (#19)

* V2 Setup

* Add end-to-end tests

* Update tests

* Update tests

* Update tests

* Update tests again

* Misc Updates

* Improve logs

* Update release

* Update README.md

* @actions/artifact v0.2.0

* Update to the latest version of the @actions/artifact package

* Update @actions/artifact to 0.3.1

* Misc Updates

* Add .gitattributes

* Update Readme

* Update test YAML

.github/workflows/test.yml

@@ -0,0 +1,104 @@
+name: Test
+on:
+  push:
+    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@v2
+
+    - name: Set Node.js 12.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+
+    - name: npm install
+      run: npm install
+
+    - name: Compile
+      run: npm run build
+
+    - name: Lint
+      run: npm run lint
+
+    - name: Format
+      run: npm run format-check 
+
+    # Test end-to-end by uploading two artifacts and then downloading them
+    # Once upload-artifact v2 is out of preview, switch over
+    - name: Create artifacts
+      run: |
+        mkdir -p path/to/artifact-A
+        mkdir -p path/to/artifact-B
+        echo "Lorem ipsum dolor sit amet" > path/to/artifact-A/file-A.txt
+        echo "Hello world from file B" > path/to/artifact-B/file-B.txt
+    
+    - name: Upload artifact A
+      uses: actions/upload-artifact@v1
+      with:
+        name: 'Artifact-A'
+        path: path/to/artifact-A
+
+    - name: Upload artifact B
+      uses: actions/upload-artifact@v1
+      with:
+        name: 'Artifact-B'
+        path: path/to/artifact-B
+
+    # Test downloading a single artifact
+    - name: Download artifact A
+      uses: ./
+      with:
+        name: 'Artifact-A'
+        path: some/new/path
+
+    - name: Verify successful download
+      run: |
+        $file = "some/new/path/file-A.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
+
+    # Test downloading both artifacts at once
+    - name: Download all Artifacts
+      uses: ./
+      with:
+        path: some/other/path
+
+    - name: Verify successful download
+      run: |
+        $fileA = "some/other/path/Artifact-A/file-A.txt"
+        $fileB = "some/other/path/Artifact-B/file-B.txt"
+        if(!(Test-Path -path $fileA) -or !(Test-Path -path $fileB))
+        {
+            Write-Error "Expected files do not exist"
+        }
+        if(!((Get-Content $fileA) -ceq "Lorem ipsum dolor sit amet") -or !((Get-Content $fileB) -ceq "Hello world from file B"))
+        {
+            Write-Error "File contents of downloaded artifacts are incorrect"
+        }
+      shell: pwsh
+
+