SystemStatusListenerTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/logging/logback/SystemStatusListenerTests.java lines 44–140

@ExtendWith(OutputCaptureExtension.class)
class SystemStatusListenerTests {

	private static final String TEST_MESSAGE = "testtesttest";

	private final StatusManager statusManager = new BasicStatusManager();

	private final LoggerContext loggerContext = new LoggerContext();

	SystemStatusListenerTests() {
		this.loggerContext.setStatusManager(this.statusManager);
	}

	@Test
	void addStatusWithInfoLevelWhenNoDebugDoesNotPrint(CapturedOutput output) {
		addStatus(false, () -> new InfoStatus(TEST_MESSAGE, null));
		assertThat(output.getOut()).doesNotContain(TEST_MESSAGE);
		assertThat(output.getErr()).doesNotContain(TEST_MESSAGE);
	}

	@Test
	void addStatusWithWarningLevelWhenNoDebugPrintsToSystemErr(CapturedOutput output) {
		addStatus(false, () -> new WarnStatus(TEST_MESSAGE, null));
		assertThat(output.getOut()).doesNotContain(TEST_MESSAGE);
		assertThat(output.getErr()).contains(TEST_MESSAGE);
	}

	@Test
	void addStatusWithErrorLevelWhenNoDebugPrintsToSystemErr(CapturedOutput output) {
		addStatus(false, () -> new ErrorStatus(TEST_MESSAGE, null));
		assertThat(output.getOut()).doesNotContain(TEST_MESSAGE);
		assertThat(output.getErr()).contains(TEST_MESSAGE);
	}

	@Test
	void addStatusWithInfoLevelWhenDebugPrintsToSystemOut(CapturedOutput output) {
		addStatus(true, () -> new InfoStatus(TEST_MESSAGE, null));
		assertThat(output.getOut()).contains(TEST_MESSAGE);
		assertThat(output.getErr()).doesNotContain(TEST_MESSAGE);
	}

	@Test
	void addStatusWithWarningLevelWhenDebugPrintsToSystemOut(CapturedOutput output) {
		addStatus(true, () -> new WarnStatus(TEST_MESSAGE, null));
		assertThat(output.getOut()).contains(TEST_MESSAGE);
		assertThat(output.getErr()).doesNotContain(TEST_MESSAGE);
	}

	@Test
	void addStatusWithErrorLevelWhenDebugPrintsToSystemOut(CapturedOutput output) {
		addStatus(true, () -> new ErrorStatus(TEST_MESSAGE, null));
		assertThat(output.getOut()).contains(TEST_MESSAGE);
		assertThat(output.getErr()).doesNotContain(TEST_MESSAGE);
	}

	@Test
	void shouldRetrospectivePrintStatusOnStartAndDebugIsDisabled(CapturedOutput output) {
		this.statusManager.add(new ErrorStatus(TEST_MESSAGE, null));
		this.statusManager.add(new WarnStatus(TEST_MESSAGE, null));
		this.statusManager.add(new InfoStatus(TEST_MESSAGE, null));
		addStatus(false, () -> new InfoStatus(TEST_MESSAGE, null));
		assertThat(output.getErr()).contains("WARN " + TEST_MESSAGE);
		assertThat(output.getErr()).contains("ERROR " + TEST_MESSAGE);
		assertThat(output.getErr()).doesNotContain("INFO");
		assertThat(output.getOut()).isEmpty();
	}

	@Test
	void shouldRetrospectivePrintStatusOnStartAndDebugIsEnabled(CapturedOutput output) {
		this.statusManager.add(new ErrorStatus(TEST_MESSAGE, null));
		this.statusManager.add(new WarnStatus(TEST_MESSAGE, null));
		this.statusManager.add(new InfoStatus(TEST_MESSAGE, null));
		addStatus(true, () -> new InfoStatus(TEST_MESSAGE, null));
		assertThat(output.getErr()).isEmpty();
		assertThat(output.getOut()).contains("WARN " + TEST_MESSAGE);
		assertThat(output.getOut()).contains("ERROR " + TEST_MESSAGE);
		assertThat(output.getOut()).contains("INFO " + TEST_MESSAGE);
	}

	@Test
	void shouldNotRetrospectivePrintWhenStatusIsOutdated(CapturedOutput output) {
		ErrorStatus outdatedStatus = new ErrorStatus(TEST_MESSAGE, null);
		ReflectionTestUtils.setField(outdatedStatus, "timestamp", System.currentTimeMillis() - 300);
		this.statusManager.add(outdatedStatus);
		addStatus(false, () -> new InfoStatus(TEST_MESSAGE, null));
		assertThat(output.getOut()).isEmpty();
		assertThat(output.getErr()).isEmpty();
	}

	private void addStatus(boolean debug, Supplier<Status> statusFactory) {
		SystemStatusListener.addTo(this.loggerContext, debug);
		StatusListener listener = this.statusManager.getCopyOfStatusListenerList().get(0);
		assertThat(listener).extracting("context").isSameAs(this.loggerContext);
		listener.addStatusEvent(statusFactory.get());
	}

}