processValueWhenDeeplyNestedUsesCompoundPaths() — spring-boot Function Reference

Source Code

core/spring-boot/src/test/java/org/springframework/boot/json/JsonWriterTests.java lines 910–930

		@Test
		void processValueWhenDeeplyNestedUsesCompoundPaths() {
			List<String> paths = new ArrayList<>();
			JsonWriter<Couple> writer = JsonWriter.of((members) -> {
				members.add("one", Couple::person1).usingMembers((personMembers) -> {
					personMembers.add("first", Person::firstName);
					personMembers.add("last", Person::lastName);
				});
				members.add("two", Couple::person2).usingMembers((personMembers) -> {
					personMembers.add("first", Person::firstName);
					personMembers.add("last", Person::lastName);
				});
				members.applyingValueProcessor((path, value) -> {
					paths.add(path.toString());
					return value;
				});
			});
			Couple couple = new Couple(PERSON, new Person("Spring", "Framework", 20));
			writer.writeToString(couple);
			assertThat(paths).containsExactly("one", "one.first", "one.last", "two", "two.first", "two.last");
		}