MemberPathTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/json/JsonWriterTests.java lines 481–545

	@Nested
	class MemberPathTests {

		@Test
		void createWhenIndexAndNamedThrowException() {
			assertThatIllegalArgumentException().isThrownBy(() -> new MemberPath(null, "boot", 0))
				.withMessage("'name' and 'index' cannot be mixed");
			assertThatIllegalArgumentException().isThrownBy(() -> new MemberPath(null, null, -1))
				.withMessage("'name' and 'index' cannot be mixed");
		}

		@Test
		void toStringReturnsUsefulString() {
			assertThat(MemberPath.ROOT).hasToString("");
			MemberPath spring = new MemberPath(MemberPath.ROOT, "spring", MemberPath.UNINDEXED);
			MemberPath springDotBoot = new MemberPath(spring, "boot", MemberPath.UNINDEXED);
			MemberPath springZero = new MemberPath(spring, null, 0);
			MemberPath springZeroDotBoot = new MemberPath(springZero, "boot", MemberPath.UNINDEXED);
			assertThat(spring).hasToString("spring");
			assertThat(springDotBoot).hasToString("spring.boot");
			assertThat(springZero).hasToString("spring[0]");
			assertThat(springZeroDotBoot).hasToString("spring[0].boot");
		}

		@Test
		void childWithNameCreatesChild() {
			assertThat(MemberPath.ROOT.child("spring").child("boot")).hasToString("spring.boot");
		}

		@Test
		void childWithNameWhenNameSpecialChars() {
			assertThat(MemberPath.ROOT.child("spring.io").child("boot")).hasToString("spring\\.io.boot");
			assertThat(MemberPath.ROOT.child("spring[io]").child("boot")).hasToString("spring\\[io\\].boot");
			assertThat(MemberPath.ROOT.child("spring.[io]").child("boot")).hasToString("spring\\.\\[io\\].boot");
			assertThat(MemberPath.ROOT.child("spring\\io").child("boot")).hasToString("spring\\\\io.boot");
			assertThat(MemberPath.ROOT.child("spring.\\io").child("boot")).hasToString("spring\\.\\\\io.boot");
			assertThat(MemberPath.ROOT.child("spring[\\io]").child("boot")).hasToString("spring\\[\\\\io\\].boot");
			assertThat(MemberPath.ROOT.child("123").child("boot")).hasToString("123.boot");
			assertThat(MemberPath.ROOT.child("1.2.3").child("boot")).hasToString("1\\.2\\.3.boot");
		}

		@Test
		void childWithIndexCreatesChild() {
			assertThat(MemberPath.ROOT.child("spring").child(0)).hasToString("spring[0]");
		}

		@Test
		void ofParsesPaths() {
			assertOfFromToString(MemberPath.ROOT.child("spring").child("boot"));
			assertOfFromToString(MemberPath.ROOT.child("spring").child(0));
			assertOfFromToString(MemberPath.ROOT.child("spring.io").child("boot"));
			assertOfFromToString(MemberPath.ROOT.child("spring[io]").child("boot"));
			assertOfFromToString(MemberPath.ROOT.child("spring.[io]").child("boot"));
			assertOfFromToString(MemberPath.ROOT.child("spring\\io").child("boot"));
			assertOfFromToString(MemberPath.ROOT.child("spring.\\io").child("boot"));
			assertOfFromToString(MemberPath.ROOT.child("spring[\\io]").child("boot"));
			assertOfFromToString(MemberPath.ROOT.child("123").child("boot"));
			assertOfFromToString(MemberPath.ROOT.child("1.2.3").child("boot"));
		}

		private void assertOfFromToString(MemberPath path) {
			assertThat(MemberPath.of(path.toString())).isEqualTo(path);
		}

	}