EnclosedInSquareBracketsConverterTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/logging/logback/EnclosedInSquareBracketsConverterTests.java lines 36–99

class EnclosedInSquareBracketsConverterTests {

	private final EnclosedInSquareBracketsConverter converter;

	private final LoggingEvent event = new LoggingEvent();

	EnclosedInSquareBracketsConverterTests() {
		this.converter = new EnclosedInSquareBracketsConverter();
		this.converter.setContext(new LoggerContext());
		this.event.setLoggerContextRemoteView(
				new LoggerContextVO("test", Collections.emptyMap(), System.currentTimeMillis()));
	}

	@Test
	void transformWhenNull() {
		assertThat(this.converter.transform(this.event, null)).isEqualTo("");
	}

	@Test
	void transformWhenEmpty() {
		assertThat(this.converter.transform(this.event, "")).isEqualTo("");
	}

	@Test
	void transformWhenName() {
		assertThat(this.converter.transform(this.event, "My Application")).isEqualTo("[My Application] ");
	}

	@Test
	void transformWhenEmptyFromFirstOption() {
		withLoggedApplicationName("spring", null, () -> {
			this.converter.setOptionList(List.of("spring"));
			this.converter.start();
			String converted = this.converter.convert(this.event);
			assertThat(converted).isEqualTo("");
		});
	}

	@Test
	void transformWhenNameFromFirstOption() {
		withLoggedApplicationName("spring", "boot", () -> {
			this.converter.setOptionList(List.of("spring"));
			this.converter.start();
			String converted = this.converter.convert(this.event);
			assertThat(converted).isEqualTo("[boot] ");
		});
	}

	private void withLoggedApplicationName(String name, @Nullable String value, Runnable action) {
		if (value == null) {
			System.clearProperty(name);
		}
		else {
			System.setProperty(name, value);
		}
		try {
			action.run();
		}
		finally {
			System.clearProperty(name);
		}
	}

}