Integrate Custom Random Matrix Generation and Merge Ubuntu and Windows Workflows

.github/workflows/ci.yml

@@ -0,0 +1,115 @@
+name: CI
+
+on: [ push, pull_request ]
+
+jobs:
+  # Job to generate the matrix
+  generate-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Generate matrix
+        id: set-matrix
+        uses: vlsi/github-actions-random-matrix@v1
+        with:
+          include: |
+            [
+              {"os": "ubuntu-latest", "java_version": "11"},
+              {"os": "ubuntu-latest", "java_version": "17"},
+              {"os": "windows-latest", "java_version": "11"},
+              {"os": "windows-latest", "java_version": "17"}
+            ]
+
+  # Setup job to run common steps
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Cache Android jar
+        id: android-cache
+        uses: actions/cache@v4
+        with:
+          path: android-jar-cache
+          key: ${{ runner.os }}-android-version-26
+
+      - name: Download Android SDK's android.jar (or use cached file)
+        if: steps.android-cache.outputs.cache-hit != 'true'
+        run: |
+          mkdir android-jar-cache
+          cd android-jar-cache
+          curl -o android.jar -L "https://github.com/Sable/android-platforms/blob/master/android-26/android.jar?raw=true"
+          echo "cdc1846376a14b0370cc63454a129606b4a52cc50ada75ef0d4cf956b1ad2daa  android.jar" > android.sha256
+          if ! sha256sum -c android.sha256; then
+            echo >&2 "wrong sha256 for android.jar, expected:"
+            cat >&2 android.sha256
+            echo >&2 "actual:"
+            sha256sum android.jar
+            exit 1;
+          fi
+
+  # Main build and test job using the generated matrix
+  build-and-test:
+    needs: [generate-matrix, setup]
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK ${{ matrix.java_version }}
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'adopt'
+          java-version: ${{ matrix.java_version }}
+
+      - name: Setup Gradle
+        uses: gradle/[email protected]
+
+      - name: Build using JDK ${{ matrix.java_version }}
+        run: ./gradlew build
+
+      - name: Upload build code coverage
+        uses: codecov/[email protected]
+        if: ${{ github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref == 'refs/heads/main') }}
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          flags: ${{ matrix.os == 'windows-latest' && 'current_windows' || 'current' }}
+          env_vars: JAVA_VERSION
+
+      - name: Check Atrium's -jvm.jar can be dexed
+        run: ATRIUM_ANDROID_JAR="$PWD/android-jar-cache/android.jar" ./gradlew checkDexer
+
+      - name: Composite build atrium-samples-test
+        run: ./gradlew build
+        working-directory: misc/tools/atrium-samples-test
+
+  forwardCompatibility:
+    needs: setup
+    env:
+      JAVA_VERSION: 17
+      KOTLIN_VERSION: ${{ matrix.kotlin_version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        kotlin_version: [ '1.5', '1.6', '1.7', '1.8', '1.9', '2.0' ]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'adopt'
+          java-version: 17
+
+      - name: Setup Gradle
+        uses: gradle/[email protected]
+
+      - name: Build using Kotlin ${{ matrix.kotlin_version }}
+        run: ./gradlew build

README.md

@@ -3,8 +3,7 @@
 [![Download](https://img.shields.io/badge/Download-1.2.0-%23007ec6)](https://central.sonatype.com/artifact/ch.tutteli.atrium/atrium-fluent/1.2.0)
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-[![Build Status Ubuntu](https://github.com/robstoll/atrium/workflows/Ubuntu/badge.svg?event=push&branch=main)](https://github.com/robstoll/atrium/actions?query=workflow%3AUbuntu+branch%3Amain)
-[![Build Status Windows](https://github.com/robstoll/atrium/workflows/Windows/badge.svg?event=push&branch=main)](https://github.com/robstoll/atrium/actions?query=workflow%3AWindows+branch%3Amain)
+[![Build Status](https://github.com/robstoll/atrium/actions/workflows/ci.yml/badge.svg?event=push&branch=main)](https://github.com/robstoll/atrium/actions?query=workflow%3Aci.yml+branch%3Amain)
 [![Coverage](https://codecov.io/gh/robstoll/atrium/branch/main/graph/badge.svg)](https://app.codecov.io/github/robstoll/atrium/branch/main) 
 [![Newcomers Welcome](https://img.shields.io/badge/%F0%9F%91%8B-Newcomers%20Welcome-blueviolet)](https://github.com/robstoll/atrium/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22 "Ask in slack for help")