test against all supported versions of the JVM

configure pagefile for tests in windows

Author: wakingrufus

.github/workflows/build-and-check.yml

@@ -9,20 +9,36 @@ on:
       - main
 
 jobs:
+  build-jvm-matrix:
+    runs-on: ubuntu-latest
+    steps: # https://michaelheap.com/dynamic-matrix-generation-github-actions/
+      - id: set-matrix
+        run: echo "::set-output name=version_matrix::$(curl https://endoflife.date/api/java.json | jq -c '[.[] | select(.eol > (now | strftime("%Y-%m-%d"))) | .cycle]' | sed 's/ //g')"
+      - name: verify-matrix
+        run: echo "The selected java versions are ${{ steps.set-matrix.outputs.version_matrix }}"
+    outputs:
+      version_matrix: ${{ steps.set-matrix.outputs.version_matrix }}
   build:
+    needs: build-jvm-matrix
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-    # Windows is failing with "out of memory" errors.
-    continue-on-error: ${{ matrix.os == 'windows-latest' }}
+        java_version: ${{ fromJson(needs.build-jvm-matrix.outputs.version_matrix) }}
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
-      - name: set up JDK 1.8
+      - name: configure windows pagefile
+        if: ${{ matrix.os  == 'windows-latest' }}
+        uses: al-cheb/configure-pagefile-action@v1.2
+        with:
+          minimum-size: 8GB
+          maximum-size: 8GB
+          disk-root: "D:"
+      - name: set up JDK
         uses: actions/setup-java@v2
         with:
-          java-version: 8
+          java-version: ${{ matrix.java_version }}
           distribution: 'zulu'
       - name: Restore Gradle caches
         uses: actions/cache@v2

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 -   add ktlint version 0.48.2 to testing [#632](https://github.com/JLLeitschuh/ktlint-gradle/pull/632)
 -   update latest gradle version for testing to 7.6 [#632](https://github.com/JLLeitschuh/ktlint-gradle/pull/632)
 -   improve release process to update VERSION_LATEST_RELEASE automatically [#631](https://github.com/JLLeitschuh/ktlint-gradle/pull/631)
+-   test against all supported jvm versions [#642](https://github.com/JLLeitschuh/ktlint-gradle/pull/642)
 
 ## [11.2.0] - 2023-02-14
 

plugin/build.gradle.kts

@@ -83,7 +83,11 @@ tasks.named("test").configure {
 
 tasks.withType<Test>().configureEach {
     useJUnitPlatform()
-    maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).takeIf { it > 0 } ?: 1
+    maxParallelForks = if (org.codehaus.plexus.util.Os.isFamily(org.codehaus.plexus.util.Os.FAMILY_WINDOWS)) {
+        (Runtime.getRuntime().availableProcessors() / 2).takeIf { it > 0 } ?: 1
+    } else {
+        (Runtime.getRuntime().availableProcessors() / 2).takeIf { it > 0 } ?: 1
+    }
     doFirst {
         logger.lifecycle("maxParallelForks for '$path' is $maxParallelForks")
     }