Change Tests workflow

Author: igordmn

.github/workflows/compose-tests.yml

@@ -8,6 +8,38 @@ on:
       - integration
 
 env:
+  PLATFORM_PATH_FILTERS: |
+    ios:
+      - '**/iosMain/**'
+      - '**/darwinMain/**'
+      - '**/nativeMain/**'
+      - '**/uikitMain/**'
+    
+    web:
+      - '**/webMain/**'
+      - '**/jsMain/**'
+      - '**/jsWasmMain/**'
+      - '**/wasmJsMain/**'
+    
+    desktop:
+      - '**/jvmMain/**'
+      - '**/desktopMain/**'
+    
+    unknown:
+      - '**'
+    
+      - '!**/iosMain/**'
+      - '!**/darwinMain/**'
+      - '!**/nativeMain/**'
+      - '!**/uikitMain/**'
+    
+      - '!**/webMain/**'
+      - '!**/jsMain/**'
+      - '!**/jsWasmMain/**'
+      - '!**/wasmJsMain/**'
+    
+      - '!**/jvmMain/**'
+      - '!**/desktopMain/**'
   # TODO: https://youtrack.jetbrains.com/issue/CMP-9497/Investgate-CfW-tests-flakiness-with-enabled-gradle-configuration-cache-on-CI
   # Web Tests require running additional processes: karma in node, browser;
   # To reduce the memory pressure, we change some defaults:
@@ -17,20 +49,56 @@ env:
     -Porg.gradle.workers.max=1
 
 jobs:
-  compose-desktop-tests:
+  changes:
     runs-on: ubuntu-24.04
-    name: Desktop
+    outputs:
+      ios: ${{ steps.filter.outputs.ios }}
+      web: ${{ steps.filter.outputs.web }}
+      desktop: ${{ steps.filter.outputs.desktop }}
+      unknown: ${{ steps.filter.outputs.unknown }}
     steps:
+      - uses: actions/checkout@v5
+
+      - name: Detect affected platforms
+        id: filter
+        uses: dorny/paths-filter@v4
+        with:
+          filters: ${{ env.PLATFORM_PATH_FILTERS }}
+          predicate-quantifier: some-with-excludes
+
+  compose-desktop-tests:
+    needs: changes
+    if: github.event_name == 'workflow_dispatch' || needs.changes.outputs.desktop == 'true' || needs.changes.outputs.unknown == 'true'
+    runs-on: ${{ matrix.runner }}
+    name: Desktop (${{ matrix.name }})
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: Linux
+            runner: ubuntu-24.04
+          - name: Windows
+            runner: windows-2025
+          - name: macOS
+            runner: macos-26
+    steps:
+      - name: Enable Git Long Paths
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: git config --global core.longpaths true
+
       - name: Checkout Repository
         uses: actions/checkout@v5
 
       - name: Setup Prerequisites
         uses: ./.github/actions/setup-prerequisites
 
       - name: Setup Window Manager
+        if: runner.os == 'Linux'
         run: sudo apt-get update && sudo apt-get install -y xvfb openbox x11-utils
 
       - name: Start X Server
+        if: runner.os == 'Linux'
         run: |
           sudo Xvfb :1 -screen 0 1920x1080x24 -extension RANDR +extension GLX &
           export DISPLAY=:1
@@ -40,6 +108,7 @@ jobs:
           echo "DISPLAY=:1.0" >> $GITHUB_ENV
 
       - name: Run Desktop
+        shell: bash
         run: |
           ./gradlew testDesktop \
             --no-daemon --stacktrace
@@ -48,7 +117,7 @@ jobs:
         uses: actions/upload-artifact@v4
         if: failure()
         with:
-          name: screenshot-tests
+          name: screenshot-tests-${{ matrix.name }}
           path: |
             golden/**/*_actual.png
             golden/**/*_diff.png
@@ -60,6 +129,8 @@ jobs:
         if: always()
 
   compose-ios-tests:
+    needs: changes
+    if: github.event_name == 'workflow_dispatch' || needs.changes.outputs.ios == 'true' || needs.changes.outputs.unknown == 'true'
     runs-on: macos-26-xlarge
     name: iOS
     env:
@@ -87,6 +158,8 @@ jobs:
         if: always()
 
   compose-ios-utils-tests:
+    needs: changes
+    if: github.event_name == 'workflow_dispatch' || needs.changes.outputs.ios == 'true' || needs.changes.outputs.unknown == 'true'
     runs-on: macos-26-xlarge
     name: iOS Utils
     env:
@@ -120,6 +193,8 @@ jobs:
           path: compose/ui/ui-uikit/src/iosMain/objc/CMPUIKitUtils/TestResults.xcresult
 
   compose-ios-instrumented-tests:
+    needs: changes
+    if: github.event_name == 'workflow_dispatch' || needs.changes.outputs.ios == 'true' || needs.changes.outputs.unknown == 'true'
     runs-on: ${{ matrix.runner }}
     strategy:
       fail-fast: false
@@ -197,6 +272,8 @@ jobs:
         if: always()
 
   compose-web-chrome-tests:
+    needs: changes
+    if: github.event_name == 'workflow_dispatch' || needs.changes.outputs.web == 'true' || needs.changes.outputs.unknown == 'true'
     runs-on: ubuntu-24.04
     name: Web Chrome
     strategy:
@@ -289,6 +366,8 @@ jobs:
         if: always()
 
   compose-web-firefox-tests:
+    needs: changes
+    if: github.event_name == 'workflow_dispatch' || needs.changes.outputs.web == 'true' || needs.changes.outputs.unknown == 'true'
     runs-on: ubuntu-24.04
     name: Web Firefox
     strategy: