PropertiesMergingResourceTransformerTests Class — spring-boot Architecture

Source Code

build-plugin/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/PropertiesMergingResourceTransformerTests.java lines 37–82

class PropertiesMergingResourceTransformerTests {

	private final PropertiesMergingResourceTransformer transformer = new PropertiesMergingResourceTransformer();

	@Test
	void testProcess() throws Exception {
		assertThat(this.transformer.hasTransformedResource()).isFalse();
		this.transformer.processResource("foo", new ByteArrayInputStream("foo=bar".getBytes()), Collections.emptyList(),
				0);
		assertThat(this.transformer.hasTransformedResource()).isTrue();
	}

	@Test
	void testMerge() throws Exception {
		this.transformer.processResource("foo", new ByteArrayInputStream("foo=bar".getBytes()), Collections.emptyList(),
				0);
		this.transformer.processResource("bar", new ByteArrayInputStream("foo=spam".getBytes()),
				Collections.emptyList(), 0);
		assertThat(this.transformer.getData().getProperty("foo")).isEqualTo("bar,spam");
	}

	@Test
	void testOutput() throws Exception {
		this.transformer.setResource("foo");
		long time = 1592911068000L;
		this.transformer.processResource("foo", new ByteArrayInputStream("foo=bar".getBytes()), Collections.emptyList(),
				time);
		ByteArrayOutputStream out = new ByteArrayOutputStream();
		JarOutputStream os = new JarOutputStream(out);
		this.transformer.modifyOutputStream(os);
		os.flush();
		os.close();
		byte[] bytes = out.toByteArray();
		assertThat(bytes).isNotEmpty();
		List<JarEntry> entries = new ArrayList<>();
		try (JarInputStream is = new JarInputStream(new ByteArrayInputStream(bytes))) {
			JarEntry entry;
			while ((entry = is.getNextJarEntry()) != null) {
				entries.add(entry);
			}
		}
		assertThat(entries).hasSize(1);
		assertThat(entries.get(0).getTime()).isEqualTo(time);
	}

}