customLayers() — spring-boot Function Reference

Source Code

build-plugin/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/AbstractBootArchiveIntegrationTests.java lines 436–486

	@TestTemplate
	void customLayers() throws IOException {
		writeMainClass();
		writeResource();
		BuildResult build = this.gradleBuild.build(this.taskName);
		BuildTask task = build.task(":" + this.taskName);
		assertThat(task).isNotNull();
		assertThat(task.getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
		Map<String, List<String>> indexedLayers;
		String toolsJar = this.libPath + JarModeLibrary.TOOLS.getName();
		try (JarFile jarFile = new JarFile(new File(this.gradleBuild.getProjectDir(), "build/libs").listFiles()[0])) {
			assertThat(jarFile.getEntry(toolsJar)).isNotNull();
			assertThat(jarFile.getEntry(this.libPath + "commons-lang3-3.9.jar")).isNotNull();
			assertThat(jarFile.getEntry(this.libPath + "spring-core-5.2.5.RELEASE.jar")).isNotNull();
			assertThat(jarFile.getEntry(this.libPath + "spring-jcl-5.2.5.RELEASE.jar")).isNotNull();
			assertThat(jarFile.getEntry(this.libPath + "library-1.0-SNAPSHOT.jar")).isNotNull();
			assertThat(jarFile.getEntry(this.classesPath + "example/Main.class")).isNotNull();
			assertThat(jarFile.getEntry(this.classesPath + "static/file.txt")).isNotNull();
			assertThat(jarFile.getEntry(this.indexPath + "layers.idx")).isNotNull();
			indexedLayers = readLayerIndex(jarFile);
		}
		List<String> layerNames = Arrays.asList("dependencies", "commons-dependencies", "snapshot-dependencies",
				"static", "app");
		assertThat(indexedLayers.keySet()).containsExactlyElementsOf(layerNames);
		Set<String> expectedDependencies = new TreeSet<>();
		expectedDependencies.add(this.libPath + "spring-core-5.2.5.RELEASE.jar");
		expectedDependencies.add(this.libPath + "spring-jcl-5.2.5.RELEASE.jar");
		List<String> expectedSnapshotDependencies = new ArrayList<>();
		expectedSnapshotDependencies.add(this.libPath + "library-1.0-SNAPSHOT.jar");
		(toolsJar.contains("SNAPSHOT") ? expectedSnapshotDependencies : expectedDependencies).add(toolsJar);
		assertThat(indexedLayers.get("dependencies")).containsExactlyElementsOf(expectedDependencies);
		assertThat(indexedLayers.get("commons-dependencies")).containsExactly(this.libPath + "commons-lang3-3.9.jar");
		assertThat(indexedLayers.get("snapshot-dependencies")).containsExactlyElementsOf(expectedSnapshotDependencies);
		assertThat(indexedLayers.get("static")).containsExactly(this.classesPath + "static/");
		List<String> appLayer = new ArrayList<>(indexedLayers.get("app"));
		String[] appLayerContents = getExpectedApplicationLayerContents(this.classesPath + "example/");
		assertThat(appLayer).containsSubsequence(appLayerContents);
		appLayer.removeAll(Arrays.asList(appLayerContents));
		assertThat(appLayer).containsExactly("org/");
		BuildResult listLayers = this.gradleBuild.build("listLayers");
		task = listLayers.task(":listLayers");
		assertThat(task).isNotNull();
		assertThat(task.getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
		String listLayersOutput = listLayers.getOutput();
		assertThat(new BufferedReader(new StringReader(listLayersOutput)).lines()).containsSequence(layerNames);
		BuildResult extractLayers = this.gradleBuild.build("extractLayers");
		task = extractLayers.task(":extractLayers");
		assertThat(task).isNotNull();
		assertThat(task.getOutcome()).isEqualTo(TaskOutcome.SUCCESS);
		assertExtractedLayers(layerNames, indexedLayers);
	}