FileEncodingApplicationListenerTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/context/FileEncodingApplicationListenerTests.java lines 37–68

class FileEncodingApplicationListenerTests {

	private final FileEncodingApplicationListener initializer = new FileEncodingApplicationListener();

	private final ConfigurableEnvironment environment = new StandardEnvironment();

	private final ApplicationEnvironmentPreparedEvent event = new ApplicationEnvironmentPreparedEvent(
			new DefaultBootstrapContext(), new SpringApplication(), new String[0], this.environment);

	@Test
	void testIllegalState() {
		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.environment,
				"spring.mandatory_file_encoding=FOO");
		ConfigurationPropertySources.attach(this.environment);
		assertThatIllegalStateException().isThrownBy(() -> this.initializer.onApplicationEvent(this.event));
	}

	@Test
	void testSunnyDayNothingMandated() {
		this.initializer.onApplicationEvent(this.event);
	}

	@Test
	void testSunnyDayMandated() {
		assertThat(System.getProperty("file.encoding")).isNotNull();
		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.environment,
				"spring.mandatory_file_encoding:" + System.getProperty("file.encoding"));
		ConfigurationPropertySources.attach(this.environment);
		this.initializer.onApplicationEvent(this.event);
	}

}