LogFileTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/logging/LogFileTests.java lines 40–112

class LogFileTests {

	@Test
	void noProperties() {
		PropertyResolver resolver = getPropertyResolver(Collections.emptyMap());
		LogFile logFile = LogFile.get(resolver);
		assertThat(logFile).isNull();
	}

	@Test
	void loggingFile() {
		PropertyResolver resolver = getPropertyResolver(Collections.singletonMap("logging.file.name", "log.file"));
		testLoggingFile(resolver);
	}

	private void testLoggingFile(PropertyResolver resolver) {
		LogFile logFile = LogFile.get(resolver);
		assertThat(logFile).isNotNull();
		Properties properties = new Properties();
		logFile.applyTo(properties);
		assertThat(logFile).hasToString("log.file");
		assertThat(properties.getProperty(LoggingSystemProperty.LOG_FILE.getEnvironmentVariableName()))
			.isEqualTo("log.file");
		assertThat(properties.getProperty(LoggingSystemProperty.LOG_PATH.getEnvironmentVariableName())).isNull();
	}

	@Test
	void loggingPath() {
		PropertyResolver resolver = getPropertyResolver(Collections.singletonMap("logging.file.path", "logpath"));
		testLoggingPath(resolver);
	}

	private void testLoggingPath(PropertyResolver resolver) {
		LogFile logFile = LogFile.get(resolver);
		assertThat(logFile).isNotNull();
		Properties properties = new Properties();
		logFile.applyTo(properties);
		assertThat(logFile).hasToString("logpath" + File.separatorChar + "spring.log");
		assertThat(properties.getProperty(LoggingSystemProperty.LOG_FILE.getEnvironmentVariableName()))
			.isEqualTo("logpath" + File.separatorChar + "spring.log");
		assertThat(properties.getProperty(LoggingSystemProperty.LOG_PATH.getEnvironmentVariableName()))
			.isEqualTo("logpath");
	}

	@Test
	void loggingFileAndPath() {
		Map<String, Object> properties = new LinkedHashMap<>();
		properties.put("logging.file.name", "log.file");
		properties.put("logging.file.path", "logpath");
		PropertyResolver resolver = getPropertyResolver(properties);
		testLoggingFileAndPath(resolver);
	}

	private void testLoggingFileAndPath(PropertyResolver resolver) {
		LogFile logFile = LogFile.get(resolver);
		assertThat(logFile).isNotNull();
		Properties properties = new Properties();
		logFile.applyTo(properties);
		assertThat(logFile).hasToString("log.file");
		assertThat(properties.getProperty(LoggingSystemProperty.LOG_FILE.getEnvironmentVariableName()))
			.isEqualTo("log.file");
		assertThat(properties.getProperty(LoggingSystemProperty.LOG_PATH.getEnvironmentVariableName()))
			.isEqualTo("logpath");
	}

	private PropertyResolver getPropertyResolver(Map<String, Object> properties) {
		PropertySource<?> propertySource = new MapPropertySource("properties", properties);
		MutablePropertySources propertySources = new MutablePropertySources();
		propertySources.addFirst(propertySource);
		return new PropertySourcesPropertyResolver(propertySources);
	}

}