Examples with NoSuchFileException java.nio.file.NoSuchFileException used on opensource projects

Example 96 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project jimfs by google.

the class JimfsUnixLikeFileSystemTest method testWriteFile_withStandardOptions.

@Test
public void testWriteFile_withStandardOptions() throws IOException {
    Path test = path("/test");
    byte[] bytes = { 0, 1, 2, 3 };
    try {
        // CREATE and CREATE_NEW not specified
        Files.write(test, bytes, WRITE);
        fail();
    } catch (NoSuchFileException expected) {
        assertEquals(test.toString(), expected.getMessage());
    }
    // succeeds, file does not exist
    Files.write(test, bytes, CREATE_NEW);
    assertThatPath("/test").containsBytes(bytes);
    try {
        // CREATE_NEW requires file not exist
        Files.write(test, bytes, CREATE_NEW);
        fail();
    } catch (FileAlreadyExistsException expected) {
        assertEquals(test.toString(), expected.getMessage());
    }
    // succeeds, ok for file to already exist
    Files.write(test, new byte[] { 4, 5 }, CREATE);
    // did not truncate or append, so overwrote
    assertThatPath("/test").containsBytes(4, 5, 2, 3);
    // default options
    Files.write(test, bytes, WRITE, CREATE, TRUNCATE_EXISTING);
    assertThatPath("/test").containsBytes(bytes);
    Files.write(test, bytes, WRITE, APPEND);
    assertThatPath("/test").containsBytes(0, 1, 2, 3, 0, 1, 2, 3);
    Files.write(test, bytes, WRITE, CREATE, TRUNCATE_EXISTING, APPEND, SPARSE, DSYNC, SYNC);
    assertThatPath("/test").containsBytes(bytes);
    try {
        // READ not allowed
        Files.write(test, bytes, READ, WRITE);
        fail();
    } catch (UnsupportedOperationException expected) {
    }
}

Example 97 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project j2objc by google.

the class Files2Test method test_newByteChannel_openOption_WRITE.

@Test
public void test_newByteChannel_openOption_WRITE() throws IOException {
    // When file doesn't exist
    try (SeekableByteChannel sbc = Files.newByteChannel(filesSetup.getTestPath(), WRITE)) {
        fail();
    } catch (NoSuchFileException expected) {
    }
    try (SeekableByteChannel sbc = Files.newByteChannel(filesSetup.getDataFilePath(), WRITE)) {
        sbc.read(ByteBuffer.allocate(10));
        fail();
    } catch (NonReadableChannelException expected) {
    }
    // Write in file.
    try (SeekableByteChannel sbc = Files.newByteChannel(filesSetup.getDataFilePath(), WRITE)) {
        sbc.write(ByteBuffer.wrap(TEST_FILE_DATA_2.getBytes()));
        sbc.close();
        try (InputStream is = Files.newInputStream(filesSetup.getDataFilePath())) {
            String expectedFileData = TEST_FILE_DATA_2 + TEST_FILE_DATA.substring(TEST_FILE_DATA_2.length());
            assertEquals(expectedFileData, readFromInputStream(is));
        }
    }
}

Example 98 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project j2objc by google.

the class Files2Test method test_walk$Path$FileVisitOption.

@Test
public void test_walk$Path$FileVisitOption() throws IOException {
    // Directory structure.
    // root
    // ├── dir1
    // │   ├── dir2
    // │   │   ├── dir3
    // │   │   └── file5
    // │   ├── dir4
    // │   └── file3
    // ├── dir5
    // └── file1
    // 
    // depth will be 2. file4, file5, dir3 is not reachable.
    Path rootDir = Paths.get(filesSetup.getTestDir(), "root");
    Path dir1 = Paths.get(filesSetup.getTestDir(), "root/dir1");
    Path dir2 = Paths.get(filesSetup.getTestDir(), "root/dir1/dir2");
    Path dir3 = Paths.get(filesSetup.getTestDir(), "root/dir1/dir2/dir3");
    Path dir4 = Paths.get(filesSetup.getTestDir(), "root/dir1/dir4");
    Path dir5 = Paths.get(filesSetup.getTestDir(), "root/dir5");
    Path file1 = Paths.get(filesSetup.getTestDir(), "root/file1");
    Path file3 = Paths.get(filesSetup.getTestDir(), "root/dir1/file3");
    Path file5 = Paths.get(filesSetup.getTestDir(), "root/dir1/dir2/file5");
    Files.createDirectories(dir3);
    Files.createDirectories(dir4);
    Files.createDirectories(dir5);
    Files.createFile(file1);
    Files.createFile(file3);
    Files.createFile(file5);
    Set<Path> expectedDirSet = new HashSet<>();
    expectedDirSet.add(rootDir);
    expectedDirSet.add(dir1);
    expectedDirSet.add(dir2);
    expectedDirSet.add(dir4);
    expectedDirSet.add(file3);
    expectedDirSet.add(dir5);
    expectedDirSet.add(file1);
    Set<Path> dirSet = new HashSet<>();
    try (Stream<Path> pathStream = Files.walk(rootDir, 2, FileVisitOption.FOLLOW_LINKS)) {
        pathStream.forEach(path -> dirSet.add(path));
    }
    assertEquals(expectedDirSet, dirSet);
    // Test case when Path doesn't exist.
    try (Stream<Path> pathStream = Files.walk(filesSetup.getTestPath(), 2, FileVisitOption.FOLLOW_LINKS)) {
        fail();
    } catch (NoSuchFileException expected) {
    }
    // Test case when Path is a not a directory.
    expectedDirSet.clear();
    dirSet.clear();
    expectedDirSet.add(filesSetup.getDataFilePath());
    try (Stream<Path> pathStream = Files.walk(filesSetup.getDataFilePath(), 2, FileVisitOption.FOLLOW_LINKS)) {
        pathStream.forEach(path -> dirSet.add(path));
    }
    assertEquals(expectedDirSet, dirSet);
    // Test case when Path doesn't exist.
    try (Stream<Path> pathStream = Files.walk(rootDir, -1, FileVisitOption.FOLLOW_LINKS)) {
        fail();
    } catch (IllegalArgumentException expected) {
    }
}

Example 99 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project j2objc by google.

the class Files2Test method test_newBufferedReader.

@Test
public void test_newBufferedReader() throws IOException {
    // Test the case where file doesn't exists.
    try {
        Files.newBufferedReader(filesSetup.getTestPath());
        fail();
    } catch (NoSuchFileException expected) {
    }
    BufferedReader bufferedReader = Files.newBufferedReader(filesSetup.getDataFilePath());
    assertEquals(TEST_FILE_DATA, bufferedReader.readLine());
    // Test the case where the file content has unicode characters.
    writeToFile(filesSetup.getDataFilePath(), UTF_16_DATA);
    bufferedReader = Files.newBufferedReader(filesSetup.getDataFilePath());
    assertEquals(UTF_16_DATA, bufferedReader.readLine());
    bufferedReader.close();
    // Test the case where file is write-only.
    Set<PosixFilePermission> perm = PosixFilePermissions.fromString("-w-------");
    Files.setPosixFilePermissions(filesSetup.getDataFilePath(), perm);
    try {
        Files.newBufferedReader(filesSetup.getDataFilePath());
        fail();
    } catch (AccessDeniedException expected) {
    }
}

Example 100 with NoSuchFileException

use of java.nio.file.NoSuchFileException in project j2objc by google.

the class Files2Test method test_walk.

@Test
public void test_walk() throws IOException {
    // Directory structure.
    // root
    // ├── dir1
    // │   ├── dir2
    // │   │   ├── dir3
    // │   │   └── file5
    // │   ├── dir4
    // │   └── file3
    // ├── dir5
    // └── file1
    // 
    Path rootDir = Paths.get(filesSetup.getTestDir(), "root");
    Path dir1 = Paths.get(filesSetup.getTestDir(), "root/dir1");
    Path dir2 = Paths.get(filesSetup.getTestDir(), "root/dir1/dir2");
    Path dir3 = Paths.get(filesSetup.getTestDir(), "root/dir1/dir2/dir3");
    Path dir4 = Paths.get(filesSetup.getTestDir(), "root/dir1/dir4");
    Path dir5 = Paths.get(filesSetup.getTestDir(), "root/dir5");
    Path file1 = Paths.get(filesSetup.getTestDir(), "root/file1");
    Path file3 = Paths.get(filesSetup.getTestDir(), "root/dir1/file3");
    Path file5 = Paths.get(filesSetup.getTestDir(), "root/dir1/dir2/file5");
    Files.createDirectories(dir3);
    Files.createDirectories(dir4);
    Files.createDirectories(dir5);
    Files.createFile(file1);
    Files.createFile(file3);
    Files.createFile(file5);
    Set<Path> expectedDirSet = new HashSet<>();
    expectedDirSet.add(rootDir.getFileName());
    expectedDirSet.add(dir1.getFileName());
    expectedDirSet.add(dir2.getFileName());
    expectedDirSet.add(dir4.getFileName());
    expectedDirSet.add(file3.getFileName());
    expectedDirSet.add(dir5.getFileName());
    expectedDirSet.add(file1.getFileName());
    expectedDirSet.add(file5.getFileName());
    expectedDirSet.add(dir3.getFileName());
    Set<Path> dirSet = new HashSet<>();
    try (Stream<Path> pathStream = Files.walk(rootDir)) {
        pathStream.forEach(path -> dirSet.add(path.getFileName()));
    }
    assertEquals(expectedDirSet, dirSet);
    // Test case when Path doesn't exist.
    try (Stream<Path> pathStream = Files.walk(filesSetup.getTestPath())) {
        fail();
    } catch (NoSuchFileException expected) {
    }
    // Test case when Path is a not a directory.
    expectedDirSet.clear();
    dirSet.clear();
    expectedDirSet.add(filesSetup.getDataFilePath());
    try (Stream<Path> pathStream = Files.walk(filesSetup.getDataFilePath())) {
        pathStream.forEach(path -> dirSet.add(path));
    }
    assertEquals(expectedDirSet, dirSet);
}