LevelConfigurationTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/logging/LoggerConfigurationTests.java lines 119–191

	@Nested
	class LevelConfigurationTests {

		@Test
		@SuppressWarnings("NullAway") // Test null check
		void ofWhenLogLevelIsNullThrowsException() {
			assertThatIllegalArgumentException().isThrownBy(() -> LevelConfiguration.of(null))
				.withMessage("'logLevel' must not be null");
		}

		@Test
		void ofCreatesConfiguration() {
			LevelConfiguration configuration = LevelConfiguration.of(LogLevel.DEBUG);
			assertThat(configuration.getLevel()).isEqualTo(LogLevel.DEBUG);
		}

		@Test
		@SuppressWarnings("NullAway") // Test null check
		void ofCustomWhenNameIsNullThrowsException() {
			assertThatIllegalArgumentException().isThrownBy(() -> LevelConfiguration.ofCustom(null))
				.withMessage("'name' must not be empty");
		}

		@Test
		void ofCustomWhenNameIsEmptyThrowsException() {
			assertThatIllegalArgumentException().isThrownBy(() -> LevelConfiguration.ofCustom(""))
				.withMessage("'name' must not be empty");
		}

		@Test
		void ofCustomCreatesConfiguration() {
			LevelConfiguration configuration = LevelConfiguration.ofCustom("FINE");
			assertThat(configuration).isNotNull();
		}

		@Test
		void getNameWhenFromLogLevelReturnsName() {
			LevelConfiguration configuration = LevelConfiguration.of(LogLevel.DEBUG);
			assertThat(configuration.getName()).isEqualTo("DEBUG");
		}

		@Test
		void getNameWhenCustomReturnsName() {
			LevelConfiguration configuration = LevelConfiguration.ofCustom("FINE");
			assertThat(configuration.getName()).isEqualTo("FINE");
		}

		@Test
		void getLevelWhenCustomThrowsException() {
			LevelConfiguration configuration = LevelConfiguration.ofCustom("FINE");
			assertThatIllegalStateException().isThrownBy(configuration::getLevel)
				.withMessage("Unable to provide LogLevel for 'FINE'");
		}

		@Test
		void getLevelReturnsLevel() {
			LevelConfiguration configuration = LevelConfiguration.of(LogLevel.DEBUG);
			assertThat(configuration.getLevel()).isEqualTo(LogLevel.DEBUG);
		}

		@Test
		void isCustomWhenNotCustomReturnsFalse() {
			LevelConfiguration configuration = LevelConfiguration.of(LogLevel.DEBUG);
			assertThat(configuration.isCustom()).isFalse();
		}

		@Test
		void isCustomWhenCustomReturnsTrue() {
			LevelConfiguration configuration = LevelConfiguration.ofCustom("DEBUG");
			assertThat(configuration.isCustom()).isTrue();
		}

	}