Python FakeTransport.value方法代码示例

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class LocalOriginWriteOptionNegotiation(unittest.TestCase):

    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child('foo')
        self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.ws = LocalOriginWriteSession(('127.0.0.1', 65465), self.writer,
                                          options={'blksize':'123'}, _clock=self.clock)
        self.wd = MockHandshakeWatchdog(4, self.ws.timedOut, _clock=self.clock)
        self.ws.timeout_watchdog = self.wd
        self.ws.transport = self.transport


    def test_option_normal(self):
        self.ws.startProtocol()
        self.ws.datagramReceived(OACKDatagram({'blksize':'12'}).to_wire(), ('127.0.0.1', 65465))
        self.clock.advance(0.1)
        self.assertEqual(self.ws.session.block_size, WriteSession.block_size)
        self.assertEqual(self.transport.value(), ACKDatagram(0).to_wire())

        self.transport.clear()
        self.ws.datagramReceived(OACKDatagram({'blksize':'9'}).to_wire(), ('127.0.0.1', 65465))
        self.clock.advance(0.1)
        self.assertEqual(self.ws.session.block_size, WriteSession.block_size)
        self.assertEqual(self.transport.value(), ACKDatagram(0).to_wire())

        self.transport.clear()
        self.ws.datagramReceived(DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
        self.clock.advance(3)
        self.failUnless(self.ws.session.started)
        self.clock.advance(0.1)
        self.assertEqual(self.ws.session.block_size, 9)
        self.assertEqual(self.transport.value(), ACKDatagram(1).to_wire())

        self.transport.clear()
        self.ws.datagramReceived(DATADatagram(2, 'asdfghjkl').to_wire(), ('127.0.0.1', 65465))
        self.clock.advance(3)
        self.assertEqual(self.transport.value(), ACKDatagram(2).to_wire())
        self.writer.finish()
        self.assertEqual(self.writer.file_path.open('r').read(), 'foobarbazasdfghjkl')

        self.transport.clear()
        self.ws.datagramReceived(OACKDatagram({'blksize':'12'}).to_wire(), ('127.0.0.1', 65465))
        self.clock.advance(0.1)
        self.assertEqual(self.ws.session.block_size, 9)
        self.assertEqual(self.transport.value(), ACKDatagram(0).to_wire())

    def test_option_timeout(self):
        self.ws.startProtocol()
        self.clock.advance(5)
        self.failUnless(self.transport.disconnecting)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class BootstrapRemoteOriginRead(unittest.TestCase):
    test_data = """line1
line2
anotherline"""
    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child('foo')
        with self.target.open('wb') as temp_fd:
            temp_fd.write(self.test_data)
        self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader, _clock=self.clock)
        self.rs.transport = self.transport

    @inlineCallbacks
    def test_invalid_tid(self):
        self.rs.startProtocol()
        data_datagram = DATADatagram(1, 'foobar')
        yield self.rs.datagramReceived(data_datagram, ('127.0.0.1', 11111))
        err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
        self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
        self.addCleanup(self.rs.cancel)

    def test_remote_origin_read_bootstrap(self):
        # First datagram
        self.rs.session.block_size = 5
        self.rs.startProtocol()
        self.clock.pump((1,)*3)

        data_datagram_1 = DATADatagram(1, self.test_data[:5])

        self.assertEqual(self.transport.value(), data_datagram_1.to_wire())
        self.failIf(self.transport.disconnecting)

        # Normal exchange continues
        self.transport.clear()
        self.rs.datagramReceived(ACKDatagram(1).to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        data_datagram_2 = DATADatagram(2, self.test_data[5:10])
        self.assertEqual(self.transport.value(), data_datagram_2.to_wire())
        self.failIf(self.transport.disconnecting)
        self.addCleanup(self.rs.cancel)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class RemoteOriginWriteOptionNegotiation(unittest.TestCase):

    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child('foo')
        self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.ws = RemoteOriginWriteSession(('127.0.0.1', 65465), self.writer,
                                           options={'blksize':'9'}, _clock=self.clock)
        self.ws.transport = self.transport

    def test_option_normal(self):
        self.ws.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram({'blksize':'9'}).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.clock.advance(3)
        self.assertEqual(self.transport.value(), oack_datagram * 2)

        self.transport.clear()
        self.ws.datagramReceived(DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), ACKDatagram(1).to_wire())
        self.assertEqual(self.ws.session.block_size, 9)

        self.transport.clear()
        self.ws.datagramReceived(DATADatagram(2, 'smthng').to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), ACKDatagram(2).to_wire())
        self.clock.pump((1,)*10)
        self.writer.finish()
        self.assertEqual(self.writer.file_path.open('r').read(), 'foobarbazsmthng')
        self.failUnless(self.transport.disconnecting)

    def test_option_timeout(self):
        self.ws.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram({'blksize':'9'}).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(3)
        self.assertEqual(self.transport.value(), oack_datagram * 2)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(2)
        self.assertEqual(self.transport.value(), oack_datagram * 3)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(2)
        self.assertEqual(self.transport.value(), oack_datagram * 3)
        self.failUnless(self.transport.disconnecting)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class BootstrapRemoteOriginWrite(unittest.TestCase):

    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child("foo")
        self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=("127.0.0.1", self.port))
        self.ws = RemoteOriginWriteSession(("127.0.0.1", 65465), self.writer, _clock=self.clock)
        self.ws.transport = self.transport
        self.ws.startProtocol()

    @inlineCallbacks
    def test_invalid_tid(self):
        bad_tid_dgram = ACKDatagram(123)
        yield self.ws.datagramReceived(bad_tid_dgram.to_wire(), ("127.0.0.1", 1111))
        err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
        self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
        self.addCleanup(self.ws.cancel)

    def test_remote_origin_write_bootstrap(self):
        # Initial ACK
        ack_datagram_0 = ACKDatagram(0)
        self.clock.advance(0.1)
        self.assertEqual(self.transport.value(), ack_datagram_0.to_wire())
        self.failIf(self.transport.disconnecting)

        # Normal exchange
        self.transport.clear()
        d = self.ws.datagramReceived(DATADatagram(1, "foobar").to_wire(), ("127.0.0.1", 65465))

        def cb(res):
            self.clock.advance(0.1)
            ack_datagram_1 = ACKDatagram(1)
            self.assertEqual(self.transport.value(), ack_datagram_1.to_wire())
            self.assertEqual(self.target.open("r").read(), "foobar")
            self.failIf(self.transport.disconnecting)
            self.addCleanup(self.ws.cancel)

        d.addCallback(cb)
        self.clock.advance(3)
        return d

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class BootstrapLocalOriginWrite(unittest.TestCase):

    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child("foo")
        self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=("127.0.0.1", self.port))
        self.ws = LocalOriginWriteSession(("127.0.0.1", 65465), self.writer, _clock=self.clock)
        self.wd = MockHandshakeWatchdog(4, self.ws.timedOut, _clock=self.clock)
        self.ws.timeout_watchdog = self.wd
        self.ws.transport = self.transport

    def test_invalid_tid(self):
        self.ws.startProtocol()
        bad_tid_dgram = ACKDatagram(123)
        self.ws.datagramReceived(bad_tid_dgram.to_wire(), ("127.0.0.1", 1111))

        err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
        self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
        self.addCleanup(self.ws.cancel)

    # test_invalid_tid.skip = 'Will go to another test case'

    def test_local_origin_write_session_handshake_timeout(self):
        self.ws.startProtocol()
        self.clock.advance(5)
        self.failIf(self.transport.value())
        self.failUnless(self.transport.disconnecting)

    def test_local_origin_write_session_handshake_success(self):
        self.ws.session.block_size = 6
        self.ws.startProtocol()
        self.clock.advance(1)
        data_datagram = DATADatagram(1, "foobar")
        self.ws.datagramReceived(data_datagram.to_wire(), ("127.0.0.1", 65465))
        self.clock.pump((1,) * 3)
        self.assertEqual(self.transport.value(), ACKDatagram(1).to_wire())
        self.failIf(self.transport.disconnecting)
        self.failIf(self.wd.active())
        self.addCleanup(self.ws.cancel)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class LocalOriginReadOptionNegotiation(unittest.TestCase):
    test_data = """line1
line2
anotherline"""
    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child('foo')
        with self.target.open('wb') as temp_fd:
            temp_fd.write(self.test_data)
        self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.rs = LocalOriginReadSession(('127.0.0.1', 65465), self.reader, _clock=self.clock)
        self.wd = MockHandshakeWatchdog(4, self.rs.timedOut, _clock=self.clock)
        self.rs.timeout_watchdog = self.wd
        self.rs.transport = self.transport

    def test_option_normal(self):
        self.rs.startProtocol()
        self.rs.datagramReceived(OACKDatagram({'blksize':'9'}).to_wire(), ('127.0.0.1', 65465))
        self.clock.advance(0.1)
        self.assertEqual(self.rs.session.block_size, 9)
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), DATADatagram(1, self.test_data[:9]).to_wire())

        self.rs.datagramReceived(OACKDatagram({'blksize':'12'}).to_wire(), ('127.0.0.1', 65465))
        self.clock.advance(0.1)
        self.assertEqual(self.rs.session.block_size, 9)

        self.transport.clear()
        self.rs.datagramReceived(ACKDatagram(1).to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), DATADatagram(2, self.test_data[9:18]).to_wire())

        self.addCleanup(self.rs.cancel)

    def test_local_origin_read_option_timeout(self):
        self.rs.startProtocol()
        self.clock.advance(5)
        self.failUnless(self.transport.disconnecting)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class BootstrapLocalOriginRead(unittest.TestCase):
    test_data = """line1
line2
anotherline"""
    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child('foo')
        with self.target.open('wb') as temp_fd:
            temp_fd.write(self.test_data)
        self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.rs = LocalOriginReadSession(('127.0.0.1', 65465), self.reader, _clock=self.clock)
        self.wd = MockHandshakeWatchdog(4, self.rs.timedOut, _clock=self.clock)
        self.rs.timeout_watchdog = self.wd
        self.rs.transport = self.transport
        self.rs.startProtocol()

    def test_invalid_tid(self):
        data_datagram = DATADatagram(1, 'foobar')
        self.rs.datagramReceived(data_datagram, ('127.0.0.1', 11111))
        self.clock.advance(0.1)
        err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
        self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
        self.addCleanup(self.rs.cancel)

    def test_local_origin_read_session_handshake_timeout(self):
        self.clock.advance(5)
        self.failIf(self.transport.value())
        self.failUnless(self.transport.disconnecting)

    def test_local_origin_read_session_handshake_success(self):
        self.clock.advance(1)
        ack_datagram = ACKDatagram(0)
        self.rs.datagramReceived(ack_datagram.to_wire(), ('127.0.0.1', 65465))
        self.clock.advance(2)
        self.failUnless(self.transport.value())
        self.failIf(self.transport.disconnecting)
        self.failIf(self.wd.active())
        self.addCleanup(self.rs.cancel)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class BootstrapLocalOriginWrite(unittest.TestCase):

    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.temp_dir = FilePath(tempfile.mkdtemp()).asBytesMode()
        self.target = self.temp_dir.child(b'foo')
        self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.ws = LocalOriginWriteSession(('127.0.0.1', 65465), self.writer, _clock=self.clock)
        self.wd = timedCaller([5], None, self.ws.timedOut, self.clock)
        self.ws.timeout_watchdog = self.wd
        self.ws.transport = self.transport

    def test_invalid_tid(self):
        self.ws.startProtocol()
        bad_tid_dgram = ACKDatagram(123)
        self.ws.datagramReceived(bad_tid_dgram.to_wire(), ('127.0.0.1', 1111))

        err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
        self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
        self.addCleanup(self.ws.cancel)
    #test_invalid_tid.skip = 'Will go to another test case'

    def test_local_origin_write_session_handshake_timeout(self):
        self.ws.startProtocol()
        self.clock.advance(5)
        self.assertFalse(self.transport.value())
        self.assertTrue(self.transport.disconnecting)

    def test_local_origin_write_session_handshake_success(self):
        self.ws.session.block_size = 6
        self.ws.startProtocol()
        self.clock.advance(1)
        data_datagram = DATADatagram(1, b'foobar')
        self.ws.datagramReceived(data_datagram.to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), ACKDatagram(1).to_wire())
        self.assertFalse(self.transport.disconnecting)
        self.addCleanup(self.ws.cancel)

    def tearDown(self):
        self.temp_dir.remove()

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class RemoteOriginReadOptionNegotiation(unittest.TestCase):
    test_data = """line1
line2
anotherline"""
    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child('foo')
        with self.target.open('wb') as temp_fd:
            temp_fd.write(self.test_data)
        self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader,
                                          options={'blksize':'9'}, _clock=self.clock)
        self.rs.transport = self.transport

    def test_option_normal(self):
        self.rs.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram({'blksize':'9'}).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.clock.advance(3)
        self.assertEqual(self.transport.value(), oack_datagram * 2)

        self.transport.clear()
        self.rs.datagramReceived(ACKDatagram(0).to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), DATADatagram(1, self.test_data[:9]).to_wire())

        self.addCleanup(self.rs.cancel)

    def test_option_timeout(self):
        self.rs.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram({'blksize':'9'}).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(3)
        self.assertEqual(self.transport.value(), oack_datagram * 2)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(2)
        self.assertEqual(self.transport.value(), oack_datagram * 3)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(2)
        self.assertEqual(self.transport.value(), oack_datagram * 3)
        self.failUnless(self.transport.disconnecting)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class RemoteOriginReadOptionNegotiation(unittest.TestCase):
    test_data = """line1
line2
anotherline"""
    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child('foo')
        with self.target.open('wb') as temp_fd:
            temp_fd.write(self.test_data)
        self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.options = OrderedDict()
        self.options['blksize'] = '9'
        self.options['tsize'] = '34'
        self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader,
                                          options=self.options, _clock=self.clock)
        self.rs.transport = self.transport

    def test_option_normal(self):
        self.rs.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram(self.options).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.clock.advance(3)
        self.assertEqual(self.transport.value(), oack_datagram * 2)

        self.transport.clear()
        self.rs.datagramReceived(ACKDatagram(0).to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), DATADatagram(1, self.test_data[:9]).to_wire())

        self.addCleanup(self.rs.cancel)

    def test_option_timeout(self):
        self.rs.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram(self.options).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(3)
        self.assertEqual(self.transport.value(), oack_datagram * 2)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(2)
        self.assertEqual(self.transport.value(), oack_datagram * 3)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(2)
        self.assertEqual(self.transport.value(), oack_datagram * 3)
        self.failUnless(self.transport.disconnecting)

    def test_option_tsize(self):
        # A tsize option of 0 sent as part of a read session prompts a tsize
        # response with the actual size of the file.
        self.options['tsize'] = '0'
        self.rs.startProtocol()
        self.clock.advance(0.1)
        self.transport.clear()
        self.clock.advance(3)
        # The response contains the size of the test data.
        self.options['tsize'] = str(len(self.test_data))
        oack_datagram = OACKDatagram(self.options).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class RemoteOriginWriteOptionNegotiation(unittest.TestCase):

    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.tmp_dir_path = tempfile.mkdtemp()
        self.target = FilePath(self.tmp_dir_path).child('foo')
        self.writer = DelayedWriter(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.options = OrderedDict()
        self.options['blksize'] = '9'
        self.options['tsize'] = '45'
        self.ws = RemoteOriginWriteSession(
            ('127.0.0.1', 65465), self.writer, options=self.options,
            _clock=self.clock)
        self.ws.transport = self.transport

    def test_option_normal(self):
        self.ws.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram(self.options).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.clock.advance(3)
        self.assertEqual(self.transport.value(), oack_datagram * 2)

        self.transport.clear()
        self.ws.datagramReceived(DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), ACKDatagram(1).to_wire())
        self.assertEqual(self.ws.session.block_size, 9)

        self.transport.clear()
        self.ws.datagramReceived(DATADatagram(2, 'smthng').to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        self.assertEqual(self.transport.value(), ACKDatagram(2).to_wire())
        self.clock.pump((1,)*10)
        self.writer.finish()
        self.assertEqual(self.writer.file_path.open('r').read(), 'foobarbazsmthng')
        self.failUnless(self.transport.disconnecting)

    def test_option_timeout(self):
        self.ws.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram(self.options).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(3)
        self.assertEqual(self.transport.value(), oack_datagram * 2)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(2)
        self.assertEqual(self.transport.value(), oack_datagram * 3)
        self.failIf(self.transport.disconnecting)

        self.clock.advance(2)
        self.assertEqual(self.transport.value(), oack_datagram * 3)
        self.failUnless(self.transport.disconnecting)

    def test_option_tsize(self):
        # A tsize option sent as part of a write session is recorded.
        self.ws.startProtocol()
        self.clock.advance(0.1)
        oack_datagram = OACKDatagram(self.options).to_wire()
        self.assertEqual(self.transport.value(), oack_datagram)
        self.failIf(self.transport.disconnecting)
        self.assertIsInstance(self.ws.session, WriteSession)
        # Options are not applied to the WriteSession until the first DATA
        # datagram is received,
        self.assertIsNone(self.ws.session.tsize)
        self.ws.datagramReceived(
            DATADatagram(1, 'foobarbaz').to_wire(), ('127.0.0.1', 65465))
        # The tsize option has been applied to the WriteSession.
        self.assertEqual(45, self.ws.session.tsize)

    def tearDown(self):
        shutil.rmtree(self.tmp_dir_path)

# 需要导入模块: from tftp.test.test_sessions import FakeTransport [as 别名]
# 或者: from tftp.test.test_sessions.FakeTransport import value [as 别名]
class BootstrapRemoteOriginRead(unittest.TestCase):
    test_data = b"""line1
line2
anotherline"""
    port = 65466

    def setUp(self):
        self.clock = Clock()
        self.temp_dir = FilePath(tempfile.mkdtemp()).asBytesMode()
        self.target = self.temp_dir.child(b'foo')
        with self.target.open('wb') as temp_fd:
            temp_fd.write(self.test_data)
        self.reader = DelayedReader(self.target, _clock=self.clock, delay=2)
        self.transport = FakeTransport(hostAddress=('127.0.0.1', self.port))
        self.rs = RemoteOriginReadSession(('127.0.0.1', 65465), self.reader, _clock=self.clock)
        self.rs.transport = self.transport

    @inlineCallbacks
    def test_invalid_tid(self):
        self.rs.startProtocol()
        data_datagram = DATADatagram(1, b'foobar')
        yield self.rs.datagramReceived(data_datagram, ('127.0.0.1', 11111))
        err_dgram = TFTPDatagramFactory(*split_opcode(self.transport.value()))
        self.assertEqual(err_dgram.errorcode, ERR_TID_UNKNOWN)
        self.addCleanup(self.rs.cancel)

    def test_remote_origin_read_bootstrap(self):
        # First datagram
        self.rs.session.block_size = 5
        self.rs.startProtocol()
        self.clock.pump((1,)*3)

        data_datagram_1 = DATADatagram(1, self.test_data[:5])

        self.assertEqual(self.transport.value(), data_datagram_1.to_wire())
        self.assertFalse(self.transport.disconnecting)

        # Normal exchange continues
        self.transport.clear()
        self.rs.datagramReceived(ACKDatagram(1).to_wire(), ('127.0.0.1', 65465))
        self.clock.pump((1,)*3)
        data_datagram_2 = DATADatagram(2, self.test_data[5:10])
        self.assertEqual(self.transport.value(), data_datagram_2.to_wire())
        self.assertFalse(self.transport.disconnecting)
        self.addCleanup(self.rs.cancel)

    def test_remote_origin_read_session_not_started_rollover(self):
        # if a rollover is done, we reach blocknum 0 again. But this time
        # session is already started.
        # Here we test the case where rollover has not happened yet

        data_datagram = DATADatagram(1, self.test_data[:5])
        data_datagram.opcode = OP_ACK
        data_datagram.blocknum = 0
        self.rs.session.block_size = 5
        self.clock.pump((1,)*3)

        self.rs.session.transport = b"Fake"
        self.rs.session.started = False
        self.rs._datagramReceived(data_datagram)

        self.assertEqual(self.rs.session.started, True)
        self.assertEqual(self.rs.session.transport, self.rs.transport)

        self.addCleanup(self.rs.cancel)

    def test_remote_origin_read_session_started_rollover(self):
        # if a rollover is done, we reach blocknum 0 again. But this time
        # session is already started.
        # Here we test the case where rollover has already happened
        data_datagram = DATADatagram(1, self.test_data[:5])
        data_datagram.opcode = OP_ACK
        data_datagram.blocknum = 0
        self.rs.session.block_size = 5
        self.rs.startProtocol()
        self.clock.pump((1,)*3)

        self.assertEqual(
            self.rs._datagramReceived(data_datagram),
            self.rs.session.datagramReceived(data_datagram))
        self.addCleanup(self.rs.cancel)

    def tearDown(self):
        self.temp_dir.remove()