CustomLayersProviderTests Class — spring-boot Architecture

Source Code

build-plugin/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/CustomLayersProviderTests.java lines 44–107

class CustomLayersProviderTests {

	private CustomLayersProvider customLayersProvider;

	@BeforeEach
	void setup() {
		this.customLayersProvider = new CustomLayersProvider();
	}

	@Test
	void getLayerResolverWhenDocumentValid() throws Exception {
		CustomLayers layers = this.customLayersProvider.getLayers(getDocument("layers.xml"));
		assertThat(layers).extracting("name")
			.containsExactly("my-deps", "my-dependencies-name", "snapshot-dependencies", "my-resources",
					"configuration", "application");
		Library snapshot = mockLibrary("test-SNAPSHOT.jar", "org.foo", "1.0.0-SNAPSHOT");
		Library groupId = mockLibrary("my-library", "com.acme", null);
		Library otherDependency = mockLibrary("other-library", "org.foo", null);
		Library localSnapshotDependency = mockLibrary("local-library", "org.foo", "1.0-SNAPSHOT");
		given(localSnapshotDependency.isLocal()).willReturn(true);
		assertThat(layers.getLayer(snapshot)).hasToString("snapshot-dependencies");
		assertThat(layers.getLayer(groupId)).hasToString("my-deps");
		assertThat(layers.getLayer(otherDependency)).hasToString("my-dependencies-name");
		assertThat(layers.getLayer(localSnapshotDependency)).hasToString("application");
		assertThat(layers.getLayer("META-INF/resources/test.css")).hasToString("my-resources");
		assertThat(layers.getLayer("application.yml")).hasToString("configuration");
		assertThat(layers.getLayer("test")).hasToString("application");
	}

	private Library mockLibrary(String name, String groupId, @Nullable String version) {
		Library library = mock(Library.class);
		given(library.getName()).willReturn(name);
		given(library.getCoordinates()).willReturn(LibraryCoordinates.of(groupId, null, version));
		return library;
	}

	@Test
	void getLayerResolverWhenDocumentContainsLibraryLayerWithNoFilters() throws Exception {
		CustomLayers layers = this.customLayersProvider.getLayers(getDocument("dependencies-layer-no-filter.xml"));
		Library library = mockLibrary("my-library", "com.acme", null);
		assertThat(layers.getLayer(library)).hasToString("my-deps");
		assertThatIllegalStateException().isThrownBy(() -> layers.getLayer("application.yml"))
			.withMessageContaining("match any layer");
	}

	@Test
	void getLayerResolverWhenDocumentContainsResourceLayerWithNoFilters() throws Exception {
		CustomLayers layers = this.customLayersProvider.getLayers(getDocument("application-layer-no-filter.xml"));
		Library library = mockLibrary("my-library", "com.acme", null);
		assertThat(layers.getLayer("application.yml")).hasToString("my-layer");
		assertThatIllegalStateException().isThrownBy(() -> layers.getLayer(library))
			.withMessageContaining("match any layer");
	}

	private Document getDocument(String resourceName) throws Exception {
		ClassPathResource resource = new ClassPathResource(resourceName);
		InputSource inputSource = new InputSource(resource.getInputStream());
		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		factory.setNamespaceAware(true);
		DocumentBuilder documentBuilder = factory.newDocumentBuilder();
		return documentBuilder.parse(inputSource);
	}

}