Add standalone testmode support (game-ci#219)

* Add standalone support.

* Add standalone tests.

* UnityStandaloneScripts volume on windows

* Update test framework in test project.

* Revert IL2CPP setting in test project.
Add test for IL2CPP.

* Update dist/test-standalone-scripts/Assets/Player/UnityTestRunnerAction/TestRunCallback.cs

Co-authored-by: Webber Takken <webber.nl@gmail.com>

* Use 2019.2.21f1

* Unity is being dumb, use 2019.4.40f1 for all workflows.

* Disable PlayerConnection on build.
Print player log.

* Add comment about code coverage support in standalone.

* Update node-version in test

---------

Co-authored-by: Webber Takken <webber.nl@gmail.com>

Author: timcassell

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 12.x
+          node-version: 18.x
       - run: yarn
       - run: yarn lint
       - run: yarn test
@@ -32,10 +32,11 @@ jobs:
         projectPath:
           - unity-project-with-correct-tests
         unityVersion:
-          - 2019.2.11f1
+          - 2019.4.40f1
         testMode:
           - playmode
           - editmode
+          - standalone
     steps:
       ###########################
       #         Checkout        #
@@ -77,7 +78,7 @@ jobs:
         projectPath:
           - unity-project-with-correct-tests
         unityVersion:
-          - 2019.2.11f1
+          - 2019.4.40f1
     steps:
       ###########################
       #         Checkout        #
@@ -131,7 +132,7 @@ jobs:
       fail-fast: false
       matrix:
         unityVersion:
-          - 2019.2.11f1
+          - 2019.4.40f1
         projectPath:
           - unity-project-with-correct-tests
     steps:
@@ -188,7 +189,7 @@ jobs:
         projectPath:
           - unity-project-with-correct-tests
         unityVersion:
-          - 2019.2.11f1
+          - 2019.4.40f1
     steps:
       ###########################
       #         Checkout        #
@@ -234,14 +235,115 @@ jobs:
           path: ${{ steps.playMode.outputs.coveragePath }}
           retention-days: 14
 
+  testRunnerInStandalone:
+    name: Test standalone 📺
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        projectPath:
+          - unity-project-with-correct-tests
+        unityVersion:
+          - 2019.4.40f1
+    steps:
+      ###########################
+      #         Checkout        #
+      ###########################
+      - uses: actions/checkout@v3
+        with:
+          lfs: true
+
+      ###########################
+      #          Cache          #
+      ###########################
+      - uses: actions/cache@v3
+        with:
+          path: ${{ matrix.projectPath }}/Library
+          key: Library-${{ matrix.projectPath }}-${{ matrix.targetPlatform }}
+          restore-keys: |
+            Library-${{ matrix.projectPath }}-
+            Library-
+
+      # Configure test runner
+      - name: Run tests
+        id: standalone
+        uses: ./
+        with:
+          projectPath: ${{ matrix.projectPath }}
+          unityVersion: ${{ matrix.unityVersion }}
+          testMode: standalone
+          artifactsPath: artifacts/standalone
+
+      # Upload artifacts
+      - name: Upload test results
+        uses: actions/upload-artifact@v3
+        with:
+          name: Test results (play mode)
+          path: ${{ steps.standalone.outputs.artifactsPath }}
+          retention-days: 14
+
+  testRunnerInStandaloneWithIL2CPP:
+    name: Test standalone with IL2CPP 📺
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        projectPath:
+          - unity-project-with-correct-tests
+        unityVersion:
+          - 2019.4.40f1 # Only 2019.4+ docker images contain the IL2CPP backend installed.
+    steps:
+      ###########################
+      #         Checkout        #
+      ###########################
+      - uses: actions/checkout@v3
+        with:
+          lfs: true
+
+      ###########################
+      #          Cache          #
+      ###########################
+      - uses: actions/cache@v3
+        with:
+          path: ${{ matrix.projectPath }}/Library
+          key: Library-${{ matrix.projectPath }}-${{ matrix.targetPlatform }}
+          restore-keys: |
+            Library-${{ matrix.projectPath }}-
+            Library-
+
+      # Set scripting backend to IL2CPP
+      - name: Rewrite ProjectSettings
+        run: |
+          DefineOriginal="  scriptingBackend: {}"
+          DefineReplace="  scriptingBackend: \\n    Standalone: 1"
+          sed -i "{s/$DefineOriginal/$DefineReplace/g}" ${{ matrix.projectPath }}/ProjectSettings/ProjectSettings.asset
+
+      # Configure test runner
+      - name: Run tests
+        id: standalone
+        uses: ./
+        with:
+          projectPath: ${{ matrix.projectPath }}
+          unityVersion: ${{ matrix.unityVersion }}
+          testMode: standalone
+          artifactsPath: artifacts/standalone
+
+      # Upload artifacts
+      - name: Upload test results
+        uses: actions/upload-artifact@v3
+        with:
+          name: Test results (play mode)
+          path: ${{ steps.standalone.outputs.artifactsPath }}
+          retention-days: 14
+
   testEachModeSequentially:
     name: Test each mode sequentially 👩‍👩‍👧‍👦 # don't try this at home (it's much slower)
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         unityVersion:
-          - 2019.2.11f1
+          - 2019.4.40f1
         projectPath:
           - unity-project-with-correct-tests
     steps:
@@ -281,6 +383,15 @@ jobs:
           testMode: playmode
           artifactsPath: artifacts/playmode
 
+      # Configure third test runner
+      - name: Tests in standalone 📺
+        uses: ./
+        with:
+          projectPath: ${{ matrix.projectPath }}
+          unityVersion: ${{ matrix.unityVersion }}
+          testMode: standalone
+          artifactsPath: artifacts/playmode
+
       # Upload combined artifacts
       - name: Upload combined test results
         uses: actions/upload-artifact@v3