ExtractorTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/ExtractorTests.java lines 31–66

class ExtractorTests {

	@Test
	void messageAndStackTraceWhenNoPrinterPrintsUsingLoggingSystem() {
		Extractor extractor = new Extractor(null);
		assertThat(extractor.messageAndStackTrace(createEvent())).startsWith("TestMessage\n\n")
			.contains("java.lang.RuntimeException: Boom!");
	}

	@Test
	void messageAndStackTraceWhenPrinterPrintsUsingPrinter() {
		Extractor extractor = new Extractor(new SimpleStackTracePrinter());
		assertThat(extractor.messageAndStackTrace(createEvent()))
			.isEqualTo("TestMessage\n\nstacktrace:RuntimeException");
	}

	@Test
	void stackTraceWhenNoPrinterPrintsUsingLoggingSystem() {
		Extractor extractor = new Extractor(null);
		assertThat(extractor.stackTrace(createEvent())).contains("java.lang.RuntimeException: Boom!");
	}

	@Test
	void stackTraceWhenPrinterPrintsUsingPrinter() {
		Extractor extractor = new Extractor(new SimpleStackTracePrinter());
		assertThat(extractor.stackTrace(createEvent())).isEqualTo("stacktrace:RuntimeException");
	}

	private LogEvent createEvent() {
		MutableLogEvent event = new MutableLogEvent();
		event.setMessage(new SimpleMessage("TestMessage"));
		event.setThrown(new RuntimeException("Boom!"));
		return event;
	}

}