MapConfigurationPropertySourceTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/context/properties/source/MapConfigurationPropertySourceTests.java lines 34–112

class MapConfigurationPropertySourceTests {

	@Test
	@SuppressWarnings("NullAway") // Test null check
	void createWhenMapIsNullShouldThrowException() {
		assertThatIllegalArgumentException().isThrownBy(() -> new MapConfigurationPropertySource(null))
			.withMessageContaining("'map' must not be null");
	}

	@Test
	void createWhenMapHasEntriesShouldAdaptMap() {
		Map<Object, Object> map = new LinkedHashMap<>();
		map.put("foo.BAR", "spring");
		map.put(ConfigurationPropertyName.of("foo.baz"), "boot");
		MapConfigurationPropertySource source = new MapConfigurationPropertySource(map);
		assertThat(getValue(source, "foo.bar")).isEqualTo("spring");
		assertThat(getValue(source, "foo.baz")).isEqualTo("boot");
	}

	@Test
	@SuppressWarnings("NullAway") // Test null check
	void putAllWhenMapIsNullShouldThrowException() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		assertThatIllegalArgumentException().isThrownBy(() -> source.putAll(null))
			.withMessageContaining("'map' must not be null");
	}

	@Test
	void putAllShouldPutEntries() {
		Map<Object, Object> map = new LinkedHashMap<>();
		map.put("foo.BAR", "spring");
		map.put("foo.baz", "boot");
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.putAll(map);
		assertThat(getValue(source, "foo.bar")).isEqualTo("spring");
		assertThat(getValue(source, "foo.baz")).isEqualTo("boot");
	}

	@Test
	void putShouldPutEntry() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("foo.bar", "baz");
		assertThat(getValue(source, "foo.bar")).isEqualTo("baz");
	}

	@Test
	void getConfigurationPropertyShouldGetFromMemory() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("foo.bar", "baz");
		assertThat(getValue(source, "foo.bar")).isEqualTo("baz");
		source.put("foo.bar", "big");
		assertThat(getValue(source, "foo.bar")).isEqualTo("big");
	}

	@Test
	void iteratorShouldGetFromMemory() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("foo.BAR", "spring");
		source.put("foo.baz", "boot");
		assertThat(source.iterator()).toIterable()
			.containsExactly(ConfigurationPropertyName.of("foo.bar"), ConfigurationPropertyName.of("foo.baz"));
	}

	@Test
	void streamShouldGetFromMemory() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("foo.BAR", "spring");
		source.put("foo.baz", "boot");
		assertThat(source.stream()).containsExactly(ConfigurationPropertyName.of("foo.bar"),
				ConfigurationPropertyName.of("foo.baz"));

	}

	private @Nullable Object getValue(ConfigurationPropertySource source, String name) {
		ConfigurationProperty property = source.getConfigurationProperty(ConfigurationPropertyName.of(name));
		return (property != null) ? property.getValue() : null;
	}

}