@Override
public long getLength() {
return f.length();
}
@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));
}