def test_write_complete(self):
m_select = self._patch('select.select')
m_write = self._patch('os.write')
wfd = 42
m_sinkbuffer = self._make_mock()
m_sinkbuffer.pending.side_effect = [True, False]
m_sinkbuffer.take.return_value = 'foobar'
m_write.return_value = 6
m_select.return_value = ([], [wfd], [])
self.m.add_sink(wfd, m_sinkbuffer)
cont = self.m.process_events()
self._assertCallsEqual(m_select, [call([], [wfd], [], SELECT_INTERVAL)])
self._assertCallsEqual(
m_sinkbuffer,
[call.pending(),
call.take(),
call.pending()])
self._assertCallsEqual(m_write, [call(wfd, 'foobar')])
self.assertEqual(False, cont)
def test_write_partial(self):
m_select = self._patch('select.select')
m_write = self._patch('os.write')
wfd = 42
m_sinkbuffer = self._make_mock()
m_sinkbuffer.pending.return_value = True
m_sinkbuffer.take.return_value = 'foobar'
m_write.return_value = 3
m_select.return_value = ([], [wfd], [])
self.m.add_sink(wfd, m_sinkbuffer)
cont = self.m.process_events()
self._assertCallsEqual(m_select, [call([], [wfd], [], SELECT_INTERVAL)])
self._assertCallsEqual(
m_sinkbuffer,
[call.pending(),
call.take(),
call.put_back('bar'),
call.pending()])
self._assertCallsEqual(m_write, [call(wfd, 'foobar')])
self.assertEqual(True, cont)
def test_write_close(self):
m_select = self._patch('select.select')
m_close = self._patch('os.close')
wfd = 42
m_sinkbuffer = self._make_mock()
m_sinkbuffer.pending.return_value = True
m_sinkbuffer.take.return_value = None
m_select.return_value = ([], [wfd], [])
self.m.add_sink(wfd, m_sinkbuffer)
cont = self.m.process_events()
self._assertCallsEqual(m_select, [call([], [wfd], [], SELECT_INTERVAL)])
self._assertCallsEqual(
m_sinkbuffer,
[call.pending(),
call.take()])
self._assertCallsEqual(m_close, [call(wfd)])
self.assertEqual(False, cont)