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Add test sourceset support to MRJAR plugin #106571

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merged 9 commits into from
Mar 21, 2024
Merged

Add test sourceset support to MRJAR plugin #106571

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83ecefb
Add test sourceset support to MRJAR plugin
rjernst Mar 20, 2024
a1a9881
spotless
rjernst Mar 20, 2024
1b2d055
address feedback
rjernst Mar 20, 2024
78058ee
Merge branch 'main' into build/mrjar_test_sourcesets
rjernst Mar 20, 2024
077ecbe
spotless
rjernst Mar 20, 2024
e3e2ac0
round 2
rjernst Mar 20, 2024
96a852c
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rjernst Mar 20, 2024
91806bd
cleanup
rjernst Mar 20, 2024
667b13f
Merge branch 'main' into build/mrjar_test_sourcesets
rjernst Mar 21, 2024
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105 changes: 71 additions & 34 deletions build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/MrjarPlugin.java
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Original file line number Diff line number Diff line change
Expand Up @@ -60,46 +60,33 @@ public void apply(Project project) {
project.getPluginManager().apply(ElasticsearchJavaBasePlugin.class);
var javaExtension = project.getExtensions().getByType(JavaPluginExtension.class);

var srcDir = project.getProjectDir().toPath().resolve("src");
List<Integer> mainVersions = new ArrayList<>();
try (var subdirStream = Files.list(srcDir)) {
for (Path sourceset : subdirStream.toList()) {
assert Files.isDirectory(sourceset);
String sourcesetName = sourceset.getFileName().toString();
Matcher sourcesetMatcher = MRJAR_SOURCESET_PATTERN.matcher(sourcesetName);
if (sourcesetMatcher.matches()) {
mainVersions.add(Integer.parseInt(sourcesetMatcher.group(1)));
}
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}

Collections.sort(mainVersions);
List<String> parentSourceSets = new ArrayList<>();
parentSourceSets.add(SourceSet.MAIN_SOURCE_SET_NAME);
List<Integer> mainVersions = findSourceVersions(project);
List<String> mainSourceSets = new ArrayList<>();
mainSourceSets.add(SourceSet.MAIN_SOURCE_SET_NAME);
List<String> testSourceSets = new ArrayList<>(mainSourceSets);
testSourceSets.add(SourceSet.TEST_SOURCE_SET_NAME);
for (int javaVersion : mainVersions) {
String sourcesetName = "main" + javaVersion;
addMrjarSourceset(project, javaExtension, sourcesetName, parentSourceSets, javaVersion);
parentSourceSets.add(sourcesetName);
String mainSourceSetName = SourceSet.MAIN_SOURCE_SET_NAME + javaVersion;
addSourceSet(project, javaExtension, mainSourceSetName, mainSourceSets, javaVersion);
mainSourceSets.add(mainSourceSetName);
testSourceSets.add(SourceSet.MAIN_SOURCE_SET_NAME + javaVersion);

String testSourceSetName = SourceSet.TEST_SOURCE_SET_NAME + javaVersion;
SourceSet testSourceSet = addSourceSet(project, javaExtension, testSourceSetName, testSourceSets, javaVersion);
testSourceSets.add(testSourceSetName);
createTestTask(project, testSourceSet, javaVersion);
}
}

private void addMrjarSourceset(
Project project,
JavaPluginExtension javaExtension,
String sourcesetName,
List<String> parentSourceSets,
int javaVersion
) {
SourceSet sourceSet = javaExtension.getSourceSets().maybeCreate(sourcesetName);
for (String parentSourceSetName : parentSourceSets) {
GradleUtils.extendSourceSet(project, parentSourceSetName, sourcesetName);
}
configureMrjar(project, javaExtension, mainVersions, "main");
}

private void configureMrjar(Project project, JavaPluginExtension javaExtension, List<Integer> versions, String baseSourceSetName) {
var jarTask = project.getTasks().withType(Jar.class).named(JavaPlugin.JAR_TASK_NAME);
jarTask.configure(task -> {
task.into("META-INF/versions/" + javaVersion, copySpec -> copySpec.from(sourceSet.getOutput()));
for (var version : versions) {
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Looking at this more, this feels a bit awkward. I feel like we should be doing this in addSourceSet instead.

SourceSet sourceSet = javaExtension.getSourceSets().getByName(baseSourceSetName + version);
task.into("META-INF/versions/" + version, copySpec -> copySpec.from(sourceSet.getOutput()));
}
task.manifest(manifest -> { manifest.attributes(Map.of("Multi-Release", "true")); });
});

Expand All @@ -111,6 +98,19 @@ private void addMrjarSourceset(
FileCollection testRuntime = sourceSets.getByName(SourceSet.TEST_SOURCE_SET_NAME).getRuntimeClasspath();
testTask.setClasspath(testRuntime.minus(mainRuntime).plus(project.files(jarTask)));
});
}

private SourceSet addSourceSet(
Project project,
JavaPluginExtension javaExtension,
String sourceSetName,
List<String> parentSourceSets,
int javaVersion
) {
SourceSet sourceSet = javaExtension.getSourceSets().maybeCreate(sourceSetName);
for (String parentSourceSetName : parentSourceSets) {
GradleUtils.extendSourceSet(project, parentSourceSetName, sourceSetName);
}

project.getTasks().withType(JavaCompile.class).named(sourceSet.getCompileJavaTaskName()).configure(compileTask -> {
compileTask.getJavaCompiler()
Expand All @@ -132,6 +132,43 @@ private void addMrjarSourceset(
project.getTasks().withType(CheckForbiddenApisTask.class).named(forbiddenApisTaskName).configure(forbiddenApisTask -> {
forbiddenApisTask.setIgnoreMissingClasses(true);
});

return sourceSet;
}

private void createTestTask(Project project, SourceSet sourceSet, int javaVersion) {
var jarTask = project.getTasks().withType(Jar.class).named(JavaPlugin.JAR_TASK_NAME);
project.getTasks().register(JavaPlugin.TEST_TASK_NAME + javaVersion, Test.class).configure(testTask -> {
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We'll want to have the check task depend on this so that they actually get run.

testTask.dependsOn(jarTask);

SourceSetContainer sourceSets = GradleUtils.getJavaSourceSets(project);
FileCollection mainRuntime = sourceSets.getByName(SourceSet.MAIN_SOURCE_SET_NAME + javaVersion).getOutput();
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Don't we need to remove all the parent main source sets here. So if this was test23 we'd need to remove main21, main22 and main23 or else we'll hit jar hell.

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Of course, you are right. I've fixed this to loop over the main sourcesets up to that point.

FileCollection testRuntime = sourceSet.getRuntimeClasspath();
testTask.setClasspath(testRuntime.minus(mainRuntime).plus(project.files(jarTask)));

testTask.getJavaLauncher()
.set(javaToolchains.launcherFor(spec -> { spec.getLanguageVersion().set(JavaLanguageVersion.of(javaVersion)); }));
});
}

private static List<Integer> findSourceVersions(Project project) {
var srcDir = project.getProjectDir().toPath().resolve("src");
List<Integer> versions = new ArrayList<>();
try (var subdirStream = Files.list(srcDir)) {
for (Path sourceSetPath : subdirStream.toList()) {
assert Files.isDirectory(sourceSetPath);
String sourcesetName = sourceSetPath.getFileName().toString();
Matcher sourcesetMatcher = MRJAR_SOURCESET_PATTERN.matcher(sourcesetName);
if (sourcesetMatcher.matches()) {
versions.add(Integer.parseInt(sourcesetMatcher.group(1)));
}
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}

Collections.sort(versions);
return versions;
}

private static void stripPreviewFromFiles(Path compileDir) {
Expand Down