@Test
  public void shouldCreateWriteReadAndRemoveTemporaryFile() throws IOException {
    final String prefix = "prefix";
    final String suffix = "suffix";
    final byte[] contents =
        ("Contents of the temporary file created at "
                + System.currentTimeMillis()
                + "ms since the epoch")
            .getBytes();

    OverthereFile tempFile = connection.getTempFile(prefix, suffix);
    assertThat(
        "Expected a non-null return value from HostConnection.getTempFile()",
        tempFile,
        notNullValue());
    assertThat(
        "Expected name of temporary file to start with the prefix",
        tempFile.getName(),
        startsWith(prefix));
    assertThat(
        "Expected name of temporary file to end with the suffix",
        tempFile.getName(),
        endsWith(suffix));
    assertThat("Expected temporary file to not exist yet", tempFile.exists(), equalTo(false));

    OutputStream out = tempFile.getOutputStream();
    try {
      out.write(contents);
    } finally {
      closeQuietly(out);
    }

    assertThat(
        "Expected temporary file to exist after writing to it", tempFile.exists(), equalTo(true));
    assertThat(
        "Expected temporary file to not be a directory", tempFile.isDirectory(), equalTo(false));
    assertThat(
        "Expected temporary file to have the size of the contents written to it",
        tempFile.length(),
        equalTo((long) contents.length));
    assertThat("Expected temporary file to be readable", tempFile.canRead(), equalTo(true));
    assertThat("Expected temporary file to be writeable", tempFile.canWrite(), equalTo(true));

    // Windows systems don't support the concept of checking for executability
    if (connection.getHostOperatingSystem() == OperatingSystemFamily.UNIX) {
      assertFalse("Expected temporary file to not be executable", tempFile.canExecute());
    }

    DataInputStream in = new DataInputStream(tempFile.getInputStream());
    try {
      final byte[] contentsRead = new byte[contents.length];
      in.readFully(contentsRead);
      assertThat(
          "Expected input stream to be exhausted after reading the full contents",
          in.available(),
          equalTo(0));
      assertThat(
          "Expected contents in temporary file to be identical to data written into it",
          contentsRead,
          equalTo(contents));
    } finally {
      closeQuietly(in);
    }

    tempFile.delete();
    assertThat("Expected temporary file to no longer exist", tempFile.exists(), equalTo(false));
  }
示例#2
0
 @Override
 public String getName() {
   return f.getName();
 }
  @Test
  public void shouldCreatePopulateListAndRemoveTemporaryDirectory() {
    final String prefix = "prefix";
    final String suffix = "suffix";

    OverthereFile tempDir = connection.getTempFile(prefix, suffix);
    assertThat(
        "Expected a non-null return value from HostConnection.getTempFile()",
        tempDir,
        notNullValue());
    assertThat(
        "Expected name of temporary file to start with the prefix",
        tempDir.getName(),
        startsWith(prefix));
    assertThat(
        "Expected name of temporary file to end with the suffix",
        tempDir.getName(),
        endsWith(suffix));
    assertThat("Expected temporary file to not exist yet", tempDir.exists(), equalTo(false));

    tempDir.mkdir();
    assertThat(
        "Expected temporary directory to exist after creating it", tempDir.exists(), equalTo(true));
    assertThat(
        "Expected temporary directory to be a directory", tempDir.isDirectory(), equalTo(true));

    OverthereFile anotherTempDir = connection.getTempFile(prefix, suffix);
    assertThat(
        "Expected temporary directories created with identical prefix and suffix to still be different",
        tempDir.getPath(),
        not(equalTo(anotherTempDir.getPath())));

    OverthereFile nested1 = tempDir.getFile("nested1");
    OverthereFile nested2 = nested1.getFile("nested2");
    OverthereFile nested3 = nested2.getFile("nested3");
    assertThat("Expected deeply nested directory to not exist", nested3.exists(), equalTo(false));
    try {
      nested3.mkdir();
      fail("Expected not to be able to create a deeply nested directory in one go");
    } catch (RuntimeIOException expected1) {
    }
    assertThat(
        "Expected deeply nested directory to still not exist", nested3.exists(), equalTo(false));
    nested3.mkdirs();
    assertThat(
        "Expected deeply nested directory to exist after invoking mkdirs on it",
        nested3.exists(),
        equalTo(true));

    final byte[] contents =
        ("Contents of the temporary file created at "
                + System.currentTimeMillis()
                + "ms since the epoch")
            .getBytes();
    OverthereFile regularFile = tempDir.getFile("somefile.txt");
    OverthereUtils.write(contents, regularFile);

    List<OverthereFile> dirContents = tempDir.listFiles();
    assertThat("Expected directory to contain two entries", dirContents.size(), equalTo(2));
    assertThat(
        "Expected directory to contain parent of deeply nested directory",
        dirContents.contains(nested1),
        equalTo(true));
    assertThat(
        "Expected directory to contain regular file that was just created",
        dirContents.contains(regularFile),
        equalTo(true));

    try {
      nested1.delete();
    } catch (RuntimeIOException expected2) {
    }
    nested1.deleteRecursively();
    assertThat(
        "Expected parent of deeply nested directory to have been removed recursively",
        nested1.exists(),
        equalTo(false));

    regularFile.delete();
    tempDir.delete();
    assertThat(
        "Expected temporary directory to not exist after removing it when it was empty",
        tempDir.exists(),
        equalTo(false));
  }