@Test
public void testDecodingFileWithBufferedSessionData() throws Exception {
final ReadableByteChannel channel =
new ReadableByteChannelMock(
new String[] {"stuff; ", "more stuff; ", "a lot more stuff!"}, Consts.ASCII);
final SessionInputBuffer inbuf = new SessionInputBufferImpl(1024, 256, Consts.ASCII);
final HttpTransportMetricsImpl metrics = new HttpTransportMetricsImpl();
final IdentityDecoder decoder = new IdentityDecoder(channel, inbuf, metrics);
final int i = inbuf.fill(channel);
Assert.assertEquals(7, i);
createTempFile();
final RandomAccessFile testfile = new RandomAccessFile(this.tmpfile, "rw");
try {
final FileChannel fchannel = testfile.getChannel();
long pos = 0;
while (!decoder.isCompleted()) {
final long bytesRead = decoder.transfer(fchannel, pos, 10);
if (bytesRead > 0) {
pos += bytesRead;
}
}
// count everything except the initial 7 bytes that went to the session buffer
Assert.assertEquals(testfile.length() - 7, metrics.getBytesTransferred());
} finally {
testfile.close();
}
Assert.assertEquals(
"stuff; more stuff; a lot more stuff!", CodecTestUtils.readFromFile(this.tmpfile));
}
@Test
public void testInvalidInput() throws Exception {
final String s = "stuff";
final ReadableByteChannel channel = new ReadableByteChannelMock(new String[] {s}, Consts.ASCII);
final SessionInputBuffer inbuf = new SessionInputBufferImpl(1024, 256, Consts.ASCII);
final HttpTransportMetricsImpl metrics = new HttpTransportMetricsImpl();
final IdentityDecoder decoder = new IdentityDecoder(channel, inbuf, metrics);
try {
decoder.read(null);
Assert.fail("IllegalArgumentException should have been thrown");
} catch (final IllegalArgumentException ex) {
// expected
}
}
@Test
public void testBasicDecoding() throws Exception {
final ReadableByteChannel channel =
new ReadableByteChannelMock(new String[] {"stuff;", "more stuff"}, Consts.ASCII);
final SessionInputBuffer inbuf = new SessionInputBufferImpl(1024, 256, Consts.ASCII);
final HttpTransportMetricsImpl metrics = new HttpTransportMetricsImpl();
final IdentityDecoder decoder = new IdentityDecoder(channel, inbuf, metrics);
final ByteBuffer dst = ByteBuffer.allocate(1024);
int bytesRead = decoder.read(dst);
Assert.assertEquals(6, bytesRead);
Assert.assertEquals("stuff;", CodecTestUtils.convert(dst));
Assert.assertFalse(decoder.isCompleted());
Assert.assertEquals(6, metrics.getBytesTransferred());
dst.clear();
bytesRead = decoder.read(dst);
Assert.assertEquals(10, bytesRead);
Assert.assertEquals("more stuff", CodecTestUtils.convert(dst));
Assert.assertFalse(decoder.isCompleted());
Assert.assertEquals(16, metrics.getBytesTransferred());
dst.clear();
bytesRead = decoder.read(dst);
Assert.assertEquals(-1, bytesRead);
Assert.assertTrue(decoder.isCompleted());
Assert.assertEquals(16, metrics.getBytesTransferred());
dst.clear();
bytesRead = decoder.read(dst);
Assert.assertEquals(-1, bytesRead);
Assert.assertTrue(decoder.isCompleted());
Assert.assertEquals(16, metrics.getBytesTransferred());
Assert.assertEquals("[identity; completed: true]", decoder.toString());
}
@Test
public void testWriteBeyondFileSize() throws Exception {
final ReadableByteChannel channel =
new ReadableByteChannelMock(new String[] {"a"}, Consts.ASCII);
final SessionInputBuffer inbuf = new SessionInputBufferImpl(1024, 256, Consts.ASCII);
final HttpTransportMetricsImpl metrics = new HttpTransportMetricsImpl();
final IdentityDecoder decoder = new IdentityDecoder(channel, inbuf, metrics);
createTempFile();
final RandomAccessFile testfile = new RandomAccessFile(this.tmpfile, "rw");
try {
Assert.assertEquals(0, testfile.length());
final FileChannel fchannel = testfile.getChannel();
try {
decoder.transfer(fchannel, 5, 10);
Assert.fail("expected IOException");
} catch (final IOException iox) {
}
} finally {
testfile.close();
}
}