ConfigDataLocationBindHandlerTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigDataLocationBindHandlerTests.java lines 35–164

class ConfigDataLocationBindHandlerTests {

	private static final Bindable<ConfigDataLocation[]> ARRAY = Bindable.of(ConfigDataLocation[].class);

	private static final Bindable<ValueObject> VALUE_OBJECT = Bindable.of(ValueObject.class);

	private final ConfigDataLocationBindHandler handler = new ConfigDataLocationBindHandler();

	@Test
	void bindToArrayFromCommaStringPropertySetsOrigin() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("locations", "a,b,c");
		Binder binder = new Binder(source);
		ConfigDataLocation[] bound = binder.bind("locations", ARRAY, this.handler).get();
		String expectedLocation = "\"locations\" from property source \"source\"";
		assertThat(bound[0]).hasToString("a");
		assertThat(bound[0].getOrigin()).hasToString(expectedLocation);
		assertThat(bound[1]).hasToString("b");
		assertThat(bound[1].getOrigin()).hasToString(expectedLocation);
		assertThat(bound[2]).hasToString("c");
		assertThat(bound[2].getOrigin()).hasToString(expectedLocation);
	}

	@Test
	void bindToArrayFromCommaStringPropertyDoesNotFailOnEmptyElements() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("locations", ",a,,b,c,");
		Binder binder = new Binder(source);
		ConfigDataLocation[] bound = binder.bind("locations", ARRAY, this.handler).get();
		String expectedLocation = "\"locations\" from property source \"source\"";
		assertThat(bound[0]).hasToString("");
		assertThat(bound[0].getOrigin()).hasToString(expectedLocation);
		assertThat(bound[1]).hasToString("a");
		assertThat(bound[1].getOrigin()).hasToString(expectedLocation);
		assertThat(bound[2]).hasToString("");
		assertThat(bound[2].getOrigin()).hasToString(expectedLocation);
		assertThat(bound[3]).hasToString("b");
		assertThat(bound[3].getOrigin()).hasToString(expectedLocation);
		assertThat(bound[4]).hasToString("c");
		assertThat(bound[4].getOrigin()).hasToString(expectedLocation);
		assertThat(bound[5]).hasToString("");
		assertThat(bound[5].getOrigin()).hasToString(expectedLocation);
	}

	@Test
	void bindToArrayFromIndexedPropertiesSetsOrigin() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("locations[0]", "a");
		source.put("locations[1]", "b");
		source.put("locations[2]", "c");
		Binder binder = new Binder(source);
		ConfigDataLocation[] bound = binder.bind("locations", ARRAY, this.handler).get();
		assertThat(bound[0]).hasToString("a");
		assertThat(bound[0].getOrigin()).hasToString("\"locations[0]\" from property source \"source\"");
		assertThat(bound[1]).hasToString("b");
		assertThat(bound[1].getOrigin()).hasToString("\"locations[1]\" from property source \"source\"");
		assertThat(bound[2]).hasToString("c");
		assertThat(bound[2].getOrigin()).hasToString("\"locations[2]\" from property source \"source\"");
	}

	@Test
	void bindToValueObjectFromCommaStringPropertySetsOrigin() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("test.locations", "a,b,c");
		Binder binder = new Binder(source);
		ValueObject bound = binder.bind("test", VALUE_OBJECT, this.handler).get();
		String expectedLocation = "\"test.locations\" from property source \"source\"";
		assertThat(bound.getLocation(0)).hasToString("a");
		assertThat(bound.getLocation(0).getOrigin()).hasToString(expectedLocation);
		assertThat(bound.getLocation(1)).hasToString("b");
		assertThat(bound.getLocation(1).getOrigin()).hasToString(expectedLocation);
		assertThat(bound.getLocation(2)).hasToString("c");
		assertThat(bound.getLocation(2).getOrigin()).hasToString(expectedLocation);
	}

	@Test
	void bindToValueObjectFromCommaStringPropertyDoesNotFailOnEmptyElements() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("test.locations", ",a,b,,c,");
		Binder binder = new Binder(source);
		ValueObject bound = binder.bind("test", VALUE_OBJECT, this.handler).get();
		String expectedLocation = "\"test.locations\" from property source \"source\"";
		assertThat(bound.getLocation(0)).hasToString("");
		assertThat(bound.getLocation(0).getOrigin()).hasToString(expectedLocation);
		assertThat(bound.getLocation(1)).hasToString("a");
		assertThat(bound.getLocation(1).getOrigin()).hasToString(expectedLocation);
		assertThat(bound.getLocation(2)).hasToString("b");
		assertThat(bound.getLocation(2).getOrigin()).hasToString(expectedLocation);
		assertThat(bound.getLocation(3)).hasToString("");
		assertThat(bound.getLocation(3).getOrigin()).hasToString(expectedLocation);
		assertThat(bound.getLocation(4)).hasToString("c");
		assertThat(bound.getLocation(4).getOrigin()).hasToString(expectedLocation);
		assertThat(bound.getLocation(5)).hasToString("");
		assertThat(bound.getLocation(5).getOrigin()).hasToString(expectedLocation);
	}

	@Test
	void bindToValueObjectFromIndexedPropertiesSetsOrigin() {
		MapConfigurationPropertySource source = new MapConfigurationPropertySource();
		source.put("test.locations[0]", "a");
		source.put("test.locations[1]", "b");
		source.put("test.locations[2]", "c");
		Binder binder = new Binder(source);
		ValueObject bound = binder.bind("test", VALUE_OBJECT, this.handler).get();
		assertThat(bound.getLocation(0)).hasToString("a");
		assertThat(bound.getLocation(0).getOrigin())
			.hasToString("\"test.locations[0]\" from property source \"source\"");
		assertThat(bound.getLocation(1)).hasToString("b");
		assertThat(bound.getLocation(1).getOrigin())
			.hasToString("\"test.locations[1]\" from property source \"source\"");
		assertThat(bound.getLocation(2)).hasToString("c");
		assertThat(bound.getLocation(2).getOrigin())
			.hasToString("\"test.locations[2]\" from property source \"source\"");
	}

	static class ValueObject {

		private final List<ConfigDataLocation> locations;

		ValueObject(List<ConfigDataLocation> locations) {
			this.locations = locations;
		}

		ConfigDataLocation getLocation(int index) {
			return this.locations.get(index);
		}

	}

}