ChangelogGeneratorTests Class — spring-boot Architecture

Source Code

configuration-metadata/spring-boot-configuration-metadata-changelog-generator/src/test/java/org/springframework/boot/configurationmetadata/changelog/ChangelogGeneratorTests.java lines 38–68

class ChangelogGeneratorTests {

	@TempDir
	File temp;

	@Test
	void generateChangeLog() throws IOException {
		File oldJars = new File(this.temp, "1.0");
		addJar(oldJars, "sample-1.0.json");
		File newJars = new File(this.temp, "2.0");
		addJar(newJars, "sample-2.0.json");
		File out = new File(this.temp, "changes.adoc");
		String[] args = new String[] { oldJars.getAbsolutePath(), newJars.getAbsolutePath(), out.getAbsolutePath() };
		ChangelogGenerator.main(args);
		assertThat(out).usingCharset(StandardCharsets.UTF_8)
			.hasSameTextualContentAs(new File("src/test/resources/sample.adoc"));
	}

	private void addJar(File directory, String filename) throws IOException {
		directory.mkdirs();
		try (JarOutputStream out = new JarOutputStream(new FileOutputStream(new File(directory, "sample.jar")))) {
			out.putNextEntry(new ZipEntry("META-INF/spring-configuration-metadata.json"));
			try (InputStream in = new FileInputStream("src/test/resources/" + filename)) {
				in.transferTo(out);
				out.closeEntry();
			}
		}

	}

}