ApplicationTempTests Class — spring-boot Architecture

Source Code

core/spring-boot/src/test/java/org/springframework/boot/system/ApplicationTempTests.java lines 41–96

class ApplicationTempTests {

	@BeforeEach
	@AfterEach
	void cleanup() {
		FileSystemUtils.deleteRecursively(new ApplicationTemp().getDir());
	}

	@Test
	void generatesConsistentTemp() {
		ApplicationTemp t1 = new ApplicationTemp();
		ApplicationTemp t2 = new ApplicationTemp();
		assertThat(t1.getDir()).isNotNull();
		assertThat(t1.getDir()).isEqualTo(t2.getDir());
	}

	@Test
	void differentBasedOnUserDir() {
		String userDir = System.getProperty("user.dir");
		try {
			File t1 = new ApplicationTemp().getDir();
			System.setProperty("user.dir", "abc");
			File t2 = new ApplicationTemp().getDir();
			assertThat(t1).isNotEqualTo(t2);
		}
		finally {
			System.setProperty("user.dir", userDir);
		}
	}

	@Test
	void getSubDir() {
		ApplicationTemp temp = new ApplicationTemp();
		assertThat(temp.getDir("abc")).isEqualTo(new File(temp.getDir(), "abc"));
	}

	@Test
	void posixPermissions() throws IOException {
		ApplicationTemp temp = new ApplicationTemp();
		Path path = temp.getDir().toPath();
		FileSystem fileSystem = path.getFileSystem();
		if (fileSystem.supportedFileAttributeViews().contains("posix")) {
			assertDirectoryPermissions(path);
			assertDirectoryPermissions(temp.getDir("sub").toPath());
		}
	}

	private void assertDirectoryPermissions(Path path) throws IOException {
		Set<PosixFilePermission> permissions = Files.getFileAttributeView(path, PosixFileAttributeView.class)
			.readAttributes()
			.permissions();
		assertThat(permissions).containsExactlyInAnyOrder(PosixFilePermission.OWNER_READ,
				PosixFilePermission.OWNER_WRITE, PosixFilePermission.OWNER_EXECUTE);
	}

}