ConfigurationPropertyStateTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/context/properties/source/ConfigurationPropertyStateTests.java lines 33–64

class ConfigurationPropertyStateTests {

	@Test
	@SuppressWarnings("NullAway") // Test null check
	void searchWhenIterableIsNullShouldThrowException() {
		assertThatIllegalArgumentException().isThrownBy(() -> ConfigurationPropertyState.search(null, (e) -> true))
			.withMessageContaining("'source' must not be null");
	}

	@Test
	@SuppressWarnings("NullAway") // Test null check
	void searchWhenPredicateIsNullShouldThrowException() {
		assertThatIllegalArgumentException()
			.isThrownBy(() -> ConfigurationPropertyState.search(Collections.emptyList(), null))
			.withMessageContaining("'predicate' must not be null");
	}

	@Test
	void searchWhenContainsItemShouldReturnPresent() {
		List<String> source = Arrays.asList("a", "b", "c");
		ConfigurationPropertyState result = ConfigurationPropertyState.search(source, "b"::equals);
		assertThat(result).isEqualTo(ConfigurationPropertyState.PRESENT);
	}

	@Test
	void searchWhenContainsNoItemShouldReturnAbsent() {
		List<String> source = Arrays.asList("a", "x", "c");
		ConfigurationPropertyState result = ConfigurationPropertyState.search(source, "b"::equals);
		assertThat(result).isEqualTo(ConfigurationPropertyState.ABSENT);
	}

}