""" Tests for pika.channel.Channel """ import collections import logging import sys import unittest import warnings import mock from pika import channel, connection, exceptions, frame, spec class ConnectionTemplate(connection.Connection): """Template for using as mock spec_set for the pika Connection class. It defines members accessed by the code under test that would be defined in the base class's constructor. """ callbacks = None # Suppress pylint warnings about specific abstract methods not being # overridden _adapter_connect = connection.Connection._adapter_connect _adapter_disconnect = connection.Connection._adapter_disconnect _flush_outbound = connection.Connection._flush_outbound add_timeout = connection.Connection.add_timeout remove_timeout = connection.Connection.remove_timeout class ChannelTests(unittest.TestCase): @staticmethod @mock.patch('pika.connection.Connection', autospec=ConnectionTemplate) def _create_connection(connection_class_mock=None): return connection_class_mock() def setUp(self): self.connection = self._create_connection() self._on_openok_callback = mock.Mock() self.obj = channel.Channel(self.connection, 1, self._on_openok_callback) warnings.resetwarnings() def tearDown(self): del self.connection del self._on_openok_callback del self.obj warnings.resetwarnings() def test_init_invalid_channel_number(self): self.assertRaises(exceptions.InvalidChannelNumber, channel.Channel, 'Foo', self.connection, lambda *args: None) def test_init_channel_number(self): self.assertEqual(self.obj.channel_number, 1) def test_init_callbacks(self): self.assertEqual(self.obj.callbacks, self.connection.callbacks) def test_init_connection(self): self.assertEqual(self.obj.connection, self.connection) def test_init_content_frame_assembler(self): self.assertIsInstance(self.obj._content_assembler, channel.ContentFrameAssembler) def test_init_blocked(self): self.assertIsInstance(self.obj._blocked, collections.deque) def test_init_blocking(self): self.assertEqual(self.obj._blocking, None) def test_init_on_flowok_callback(self): self.assertEqual(self.obj._on_flowok_callback, None) def test_init_has_on_flow_callback(self): self.assertEqual(self.obj._has_on_flow_callback, False) def test_init_on_openok_callback(self): self.assertEqual(self.obj._on_openok_callback, self._on_openok_callback) def test_init_state(self): self.assertEqual(self.obj._state, channel.Channel.CLOSED) def test_init_cancelled(self): self.assertIsInstance(self.obj._cancelled, set) def test_init_consumers(self): self.assertEqual(self.obj._consumers, dict()) def test_init_flow(self): self.assertEqual(self.obj.flow_active, True) def test_init_on_getok_callback(self): self.assertEqual(self.obj._on_getok_callback, None) def test_add_callback(self): mock_callback = mock.Mock() self.obj.add_callback(mock_callback, [spec.Basic.Qos]) self.connection.callbacks.add.assert_called_once_with( self.obj.channel_number, spec.Basic.Qos, mock_callback, True) def test_add_callback_multiple_replies(self): mock_callback = mock.Mock() self.obj.add_callback(mock_callback, [spec.Basic.Qos, spec.Basic.QosOk]) calls = [ mock.call(self.obj.channel_number, spec.Basic.Qos, mock_callback, True), mock.call(self.obj.channel_number, spec.Basic.QosOk, mock_callback, True) ] self.connection.callbacks.add.assert_has_calls(calls) def test_add_on_cancel_callback(self): mock_callback = mock.Mock() self.obj.add_on_cancel_callback(mock_callback) self.connection.callbacks.add.assert_called_once_with( self.obj.channel_number, spec.Basic.Cancel, mock_callback, False) def test_add_on_close_callback(self): mock_callback = mock.Mock() self.obj.add_on_close_callback(mock_callback) self.connection.callbacks.add.assert_called_once_with( self.obj.channel_number, '_on_channel_close', mock_callback, False, self.obj) def test_add_on_flow_callback(self): mock_callback = mock.Mock() self.obj.add_on_flow_callback(mock_callback) self.connection.callbacks.add.assert_called_once_with( self.obj.channel_number, spec.Channel.Flow, mock_callback, False) def test_add_on_return_callback(self): mock_callback = mock.Mock() self.obj.add_on_return_callback(mock_callback) self.connection.callbacks.add.assert_called_once_with( self.obj.channel_number, '_on_return', mock_callback, False) def test_basic_ack_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.basic_ack) @mock.patch('pika.spec.Basic.Ack') @mock.patch('pika.channel.Channel._send_method') def test_basic_ack_calls_send_method(self, send_method, _unused): self.obj._set_state(self.obj.OPEN) self.obj.basic_ack(1, False) send_method.assert_called_once_with(spec.Basic.Ack(1, False)) def test_basic_cancel_asynch(self): self.obj._set_state(self.obj.OPEN) self.obj._consumers['ctag0'] = logging.debug self.obj._rpc = mock.Mock(wraps=self.obj._rpc) self.obj.basic_cancel(consumer_tag='ctag0', nowait=True) self.assertTrue(self.obj._rpc.called) self.assertFalse(self.obj.callbacks.add.called) def test_basic_cancel_asynch_with_user_callback_raises_value_error(self): self.obj._set_state(self.obj.OPEN) consumer_tag = 'ctag0' callback_mock = mock.Mock() self.obj._consumers[consumer_tag] = callback_mock self.assertRaises( ValueError, self.obj.basic_cancel, callback_mock, consumer_tag, nowait=True) @mock.patch('pika.channel.Channel._validate_channel_and_callback') def test_basic_cancel_calls_validate(self, validate): self.obj._set_state(self.obj.OPEN) consumer_tag = 'ctag0' callback_mock = mock.Mock() self.obj._consumers[consumer_tag] = mock.Mock() self.obj.basic_cancel(callback_mock, consumer_tag) validate.assert_called_once_with(callback_mock) def test_basic_cancel_synch(self): self.obj._set_state(self.obj.OPEN) consumer_tag = 'ctag0' callback_mock = mock.Mock() self.obj._consumers[consumer_tag] = mock.Mock() self.obj.basic_cancel(callback_mock, consumer_tag) # Verify consumer tag added to the cancelled list self.assertListEqual(list(self.obj._cancelled), [consumer_tag]) # Verify user completion callback registered self.obj.callbacks.add.assert_any_call( self.obj.channel_number, spec.Basic.CancelOk, callback_mock) # Verify Channel._on_cancelok callback registered self.obj.callbacks.add.assert_any_call( self.obj.channel_number, spec.Basic.CancelOk, self.obj._on_cancelok, arguments={ 'consumer_tag': 'ctag0' }) # Verify Channel._on_synchronous_complete callback registered self.obj.callbacks.add.assert_any_call( self.obj.channel_number, spec.Basic.CancelOk, self.obj._on_synchronous_complete, arguments={ 'consumer_tag': 'ctag0' }) def test_basic_cancel_synch_no_user_callback_raises_value_error(self): self.obj._set_state(self.obj.OPEN) self.obj._consumers['ctag0'] = mock.Mock() with self.assertRaises(ValueError): self.obj.basic_cancel(consumer_tag='ctag0') # Verify arg error detected raised without making state changes self.assertIn('ctag0', self.obj._consumers) self.assertEqual(len(self.obj._cancelled), 0) def test_basic_cancel_then_close(self): self.obj._set_state(self.obj.OPEN) callback_mock = mock.Mock() consumer_tag = 'ctag0' self.obj._consumers[consumer_tag] = mock.Mock() self.obj.basic_cancel(callback_mock, consumer_tag) try: self.obj.close() except exceptions.ChannelClosed: self.fail('unable to cancel consumers as channel is closing') self.assertTrue(self.obj.is_closing) @mock.patch('pika.channel.Channel._rpc') def test_basic_cancel_unknown_consumer_tag(self, rpc): self.obj._set_state(self.obj.OPEN) callback_mock = mock.Mock() consumer_tag = 'ctag0' self.obj.basic_cancel(callback_mock, consumer_tag) self.assertFalse(rpc.called) def test_basic_consume_channel_closed(self): mock_callback = mock.Mock() self.assertRaises(exceptions.ChannelClosed, self.obj.basic_consume, mock_callback, 'test-queue') @mock.patch('pika.channel.Channel._validate_channel_and_callback') def test_basic_consume_calls_validate(self, validate): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.basic_consume(mock_callback, 'test-queue') validate.assert_called_once_with(mock_callback) def test_basic_consume_consumer_tag(self): self.obj._set_state(self.obj.OPEN) expectation = 'ctag1.' mock_callback = mock.Mock() self.assertEqual( self.obj.basic_consume(mock_callback, 'test-queue')[:6], expectation) def test_basic_consume_consumer_tag_cancelled_full(self): self.obj._set_state(self.obj.OPEN) expectation = 'ctag1.' mock_callback = mock.Mock() for ctag in ['ctag1.%i' % ii for ii in range(11)]: self.obj._cancelled.add(ctag) self.assertEqual( self.obj.basic_consume(mock_callback, 'test-queue')[:6], expectation) def test_basic_consume_consumer_tag_in_consumers(self): self.obj._set_state(self.obj.OPEN) consumer_tag = 'ctag1.0' mock_callback = mock.Mock() self.obj.basic_consume( mock_callback, 'test-queue', consumer_tag=consumer_tag) self.assertIn(consumer_tag, self.obj._consumers) def test_basic_consume_duplicate_consumer_tag_raises(self): self.obj._set_state(self.obj.OPEN) consumer_tag = 'ctag1.0' mock_callback = mock.Mock() self.obj._consumers[consumer_tag] = logging.debug self.assertRaises(exceptions.DuplicateConsumerTag, self.obj.basic_consume, mock_callback, 'test-queue', False, False, consumer_tag) def test_basic_consume_consumers_callback_value(self): self.obj._set_state(self.obj.OPEN) consumer_tag = 'ctag1.0' mock_callback = mock.Mock() self.obj.basic_consume( mock_callback, 'test-queue', consumer_tag=consumer_tag) self.assertEqual(self.obj._consumers[consumer_tag], mock_callback) @mock.patch('pika.spec.Basic.Consume') @mock.patch('pika.channel.Channel._rpc') def test_basic_consume_consumers_rpc_called(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) consumer_tag = 'ctag1.0' mock_callback = mock.Mock() self.obj.basic_consume( mock_callback, 'test-queue', consumer_tag=consumer_tag) expectation = spec.Basic.Consume( queue='test-queue', consumer_tag=consumer_tag, no_ack=False, exclusive=False) rpc.assert_called_once_with(expectation, self.obj._on_eventok, [(spec.Basic.ConsumeOk, { 'consumer_tag': consumer_tag })]) @mock.patch('pika.channel.Channel._validate_channel_and_callback') def test_basic_get_calls_validate(self, validate): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.basic_get(mock_callback, 'test-queue') validate.assert_called_once_with(mock_callback) @mock.patch('pika.channel.Channel._send_method') def test_basic_get_callback(self, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.basic_get(mock_callback, 'test-queue') self.assertEqual(self.obj._on_getok_callback, mock_callback) @mock.patch('pika.spec.Basic.Get') @mock.patch('pika.channel.Channel._send_method') def test_basic_get_send_method_called(self, send_method, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.basic_get(mock_callback, 'test-queue', False) send_method.assert_called_once_with( spec.Basic.Get(queue='test-queue', no_ack=False)) def test_basic_nack_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.basic_nack, 0, False, True) @mock.patch('pika.spec.Basic.Nack') @mock.patch('pika.channel.Channel._send_method') def test_basic_nack_send_method_request(self, send_method, _unused): self.obj._set_state(self.obj.OPEN) self.obj.basic_nack(1, False, True) send_method.assert_called_once_with(spec.Basic.Nack(1, False, True)) def test_basic_publish_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.basic_publish, 'foo', 'bar', 'baz') @mock.patch('pika.channel.LOGGER') @mock.patch('pika.spec.Basic.Publish') @mock.patch('pika.channel.Channel._send_method') def test_immediate_called_logger_warning(self, _send_method, _unused, logger): self.obj._set_state(self.obj.OPEN) exchange = 'basic_publish_test' routing_key = 'routing-key-fun' body = b'This is my body' properties = spec.BasicProperties(content_type='text/plain') mandatory = False immediate = True self.obj.basic_publish(exchange, routing_key, body, properties, mandatory, immediate) logger.warning.assert_called_once_with('The immediate flag is ' 'deprecated in RabbitMQ') @mock.patch('pika.spec.Basic.Publish') @mock.patch('pika.channel.Channel._send_method') def test_basic_publish_send_method_request(self, send_method, _unused): self.obj._set_state(self.obj.OPEN) exchange = 'basic_publish_test' routing_key = 'routing-key-fun' body = b'This is my body' properties = spec.BasicProperties(content_type='text/plain') mandatory = False immediate = False self.obj.basic_publish(exchange, routing_key, body, properties, mandatory, immediate) send_method.assert_called_once_with( spec.Basic.Publish( exchange=exchange, routing_key=routing_key, mandatory=mandatory, immediate=immediate), (properties, body)) def test_basic_qos_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.basic_qos, 0, False, True) @mock.patch('pika.spec.Basic.Qos') @mock.patch('pika.channel.Channel._rpc') def test_basic_qos_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.basic_qos(mock_callback, 10, 20, False) rpc.assert_called_once_with( spec.Basic.Qos(10, 20, False), mock_callback, [spec.Basic.QosOk]) def test_basic_reject_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.basic_reject, 1, False) @mock.patch('pika.spec.Basic.Reject') @mock.patch('pika.channel.Channel._send_method') def test_basic_reject_send_method_request_with_int_tag( self, send_method, _unused): self.obj._set_state(self.obj.OPEN) self.obj.basic_reject(1, True) send_method.assert_called_once_with(spec.Basic.Reject(1, True)) def test_basic_reject_spec_with_int_tag(self): decoded = spec.Basic.Reject() decoded.decode(b''.join(spec.Basic.Reject(1, True).encode())) self.assertEqual(decoded.delivery_tag, 1) self.assertIs(decoded.requeue, True) @mock.patch('pika.spec.Basic.Reject') @mock.patch('pika.channel.Channel._send_method') def test_basic_reject_send_method_request_with_long_tag( self, send_method, _unused): self.obj._set_state(self.obj.OPEN) # NOTE: we use `sys.maxsize` for compatibility with python 3, which # doesn't have `sys.maxint` self.obj.basic_reject(sys.maxsize, True) send_method.assert_called_once_with( spec.Basic.Reject(sys.maxsize, True)) def test_basic_reject_spec_with_long_tag(self): # NOTE: we use `sys.maxsize` for compatibility with python 3, which # doesn't have `sys.maxint` decoded = spec.Basic.Reject() decoded.decode(b''.join(spec.Basic.Reject(sys.maxsize, True).encode())) self.assertEqual(decoded.delivery_tag, sys.maxsize) self.assertIs(decoded.requeue, True) def test_basic_recover_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.basic_qos, 0, False, True) @mock.patch('pika.spec.Basic.Recover') @mock.patch('pika.channel.Channel._rpc') def test_basic_recover_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.basic_recover(mock_callback, True) rpc.assert_called_once_with( spec.Basic.Recover(True), mock_callback, [spec.Basic.RecoverOk]) def test_close_in_closing_state_raises_already_closing(self): self.obj._set_state(self.obj.CLOSING) self.assertRaises(exceptions.ChannelAlreadyClosing, self.obj.close) self.assertTrue(self.obj.is_closing) def test_close_in_closed_state_raises_channel_error_and_stays_closed(self): self.assertTrue(self.obj.is_closed) self.assertRaises(exceptions.ChannelClosed, self.obj.close) self.assertTrue(self.obj.is_closed) @mock.patch('pika.spec.Channel.Close') def test_close_in_opening_state(self, _unused): self.obj._set_state(self.obj.OPENING) self.obj._rpc = mock.Mock(wraps=self.obj._rpc) self.obj._cleanup = mock.Mock(wraps=self.obj._cleanup) # close() called by user self.obj.close(200, 'Got to go') self.obj._rpc.assert_called_once_with( spec.Channel.Close(200, 'Got to go', 0, 0), self.obj._on_closeok, [spec.Channel.CloseOk]) self.assertEqual(self.obj._closing_code_and_text, (0, '')) self.assertEqual(self.obj._state, self.obj.CLOSING) # OpenOk method from broker self.obj._on_openok( frame.Method(self.obj.channel_number, spec.Channel.OpenOk(self.obj.channel_number))) self.assertEqual(self.obj._state, self.obj.CLOSING) self.assertEqual(self.obj.callbacks.process.call_count, 0) # CloseOk method from broker self.obj._on_closeok( frame.Method(self.obj.channel_number, spec.Channel.CloseOk())) self.assertEqual(self.obj._state, self.obj.CLOSED) self.obj.callbacks.process.assert_any_call(self.obj.channel_number, '_on_channel_close', self.obj, self.obj, 0, '') self.assertEqual(self.obj._cleanup.call_count, 1) def test_close_in_open_state_transitions_to_closing(self): self.obj._set_state(self.obj.OPEN) self.obj.close() self.assertEqual(self.obj._state, channel.Channel.CLOSING) def test_close_basic_cancel_called(self): self.obj._set_state(self.obj.OPEN) self.obj._consumers['abc'] = None with mock.patch.object(self.obj, 'basic_cancel') as basic_cancel: self.obj.close() # this is actually not necessary but Pika currently cancels # every consumer before closing the channel basic_cancel.assert_called_once_with( consumer_tag='abc', nowait=True) def test_confirm_delivery_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.confirm_delivery) def test_confirm_delivery_raises_method_not_implemented_for_confirms(self): self.obj._set_state(self.obj.OPEN) # Since connection is a mock.Mock, overwrite the method def with False self.obj.connection.publisher_confirms = False self.assertRaises(exceptions.MethodNotImplemented, self.obj.confirm_delivery, logging.debug) def test_confirm_delivery_raises_method_not_implemented_for_nack(self): self.obj._set_state(self.obj.OPEN) # Since connection is a mock.Mock, overwrite the method def with False self.obj.connection.basic_nack = False self.assertRaises(exceptions.MethodNotImplemented, self.obj.confirm_delivery, logging.debug) def test_confirm_delivery_async(self): self.obj._set_state(self.obj.OPEN) user_ack_nack_callback = mock.Mock() self.obj.confirm_delivery(callback=user_ack_nack_callback, nowait=True) self.assertEqual(self.obj.callbacks.add.call_count, 2) self.obj.callbacks.add.assert_any_call(self.obj.channel_number, spec.Basic.Ack, user_ack_nack_callback, False) self.obj.callbacks.add.assert_any_call(self.obj.channel_number, spec.Basic.Nack, user_ack_nack_callback, False) def test_confirm_delivery_callback_without_nowait_selectok(self): self.obj._set_state(self.obj.OPEN) expectation = [ self.obj.channel_number, spec.Confirm.SelectOk, self.obj._on_selectok ] self.obj.confirm_delivery(logging.debug) self.obj.callbacks.add.assert_called_with(*expectation, arguments=None) def test_confirm_delivery_callback_basic_ack(self): self.obj._set_state(self.obj.OPEN) expectation = (self.obj.channel_number, spec.Basic.Ack, logging.debug, False) self.obj.confirm_delivery(logging.debug) self.obj.callbacks.add.assert_any_call(*expectation) def test_confirm_delivery_callback_basic_nack(self): self.obj._set_state(self.obj.OPEN) expectation = (self.obj.channel_number, spec.Basic.Nack, logging.debug, False) self.obj.confirm_delivery(logging.debug) self.obj.callbacks.add.assert_any_call(*expectation) def test_confirm_delivery_no_callback_callback_call_count(self): self.obj._set_state(self.obj.OPEN) self.obj.confirm_delivery() expectation = [ mock.call( *[ self.obj.channel_number, spec.Confirm.SelectOk, self.obj._on_synchronous_complete ], arguments=None), mock.call( *[ self.obj.channel_number, spec.Confirm.SelectOk, self.obj._on_selectok, ], arguments=None) ] self.assertEqual(self.obj.callbacks.add.call_args_list, expectation) def test_confirm_delivery_no_callback_no_basic_ack_callback(self): self.obj._set_state(self.obj.OPEN) expectation = [self.obj.channel_number, spec.Basic.Ack, None, False] self.obj.confirm_delivery() self.assertNotIn( mock.call(*expectation), self.obj.callbacks.add.call_args_list) def test_confirm_delivery_no_callback_no_basic_nack_callback(self): self.obj._set_state(self.obj.OPEN) expectation = [self.obj.channel_number, spec.Basic.Nack, None, False] self.obj.confirm_delivery() self.assertNotIn( mock.call(*expectation), self.obj.callbacks.add.call_args_list) def test_consumer_tags(self): self.assertListEqual(self.obj.consumer_tags, list(self.obj._consumers.keys())) def test_exchange_bind_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.exchange_bind, None, 'foo', 'bar', 'baz') def test_exchange_bind_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.exchange_bind, 'callback', 'foo', 'bar', 'baz') @mock.patch('pika.spec.Exchange.Bind') @mock.patch('pika.channel.Channel._rpc') def test_exchange_bind_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.exchange_bind(mock_callback, 'foo', 'bar', 'baz') rpc.assert_called_once_with( spec.Exchange.Bind(0, 'foo', 'bar', 'baz'), mock_callback, [spec.Exchange.BindOk]) @mock.patch('pika.spec.Exchange.Bind') @mock.patch('pika.channel.Channel._rpc') def test_exchange_bind_rpc_request_nowait(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.exchange_bind(mock_callback, 'foo', 'bar', 'baz', nowait=True) rpc.assert_called_once_with( spec.Exchange.Bind(0, 'foo', 'bar', 'baz'), mock_callback, []) def test_exchange_declare_raises_channel_closed(self): self.assertRaises( exceptions.ChannelClosed, self.obj.exchange_declare, exchange='foo') def test_exchange_declare_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.exchange_declare, 'callback', 'foo') @mock.patch('pika.spec.Exchange.Declare') @mock.patch('pika.channel.Channel._rpc') def test_exchange_declare_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.exchange_declare(mock_callback, 'foo') rpc.assert_called_once_with( spec.Exchange.Declare(0, 'foo'), mock_callback, [spec.Exchange.DeclareOk]) @mock.patch('pika.spec.Exchange.Declare') @mock.patch('pika.channel.Channel._rpc') def test_exchange_declare_rpc_request_nowait(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.exchange_declare(mock_callback, 'foo', nowait=True) rpc.assert_called_once_with( spec.Exchange.Declare(0, 'foo'), mock_callback, []) def test_exchange_delete_raises_channel_closed(self): self.assertRaises( exceptions.ChannelClosed, self.obj.exchange_delete, exchange='foo') def test_exchange_delete_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.exchange_delete, 'callback', 'foo') @mock.patch('pika.spec.Exchange.Delete') @mock.patch('pika.channel.Channel._rpc') def test_exchange_delete_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.exchange_delete(mock_callback, 'foo') rpc.assert_called_once_with( spec.Exchange.Delete(0, 'foo'), mock_callback, [spec.Exchange.DeleteOk]) @mock.patch('pika.spec.Exchange.Delete') @mock.patch('pika.channel.Channel._rpc') def test_exchange_delete_rpc_request_nowait(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.exchange_delete(mock_callback, 'foo', nowait=True) rpc.assert_called_once_with( spec.Exchange.Delete(0, 'foo'), mock_callback, []) def test_exchange_unbind_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.exchange_unbind, None, 'foo', 'bar', 'baz') def test_exchange_unbind_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.exchange_unbind, 'callback', 'foo', 'bar', 'baz') @mock.patch('pika.spec.Exchange.Unbind') @mock.patch('pika.channel.Channel._rpc') def test_exchange_unbind_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.exchange_unbind(mock_callback, 'foo', 'bar', 'baz') rpc.assert_called_once_with( spec.Exchange.Unbind(0, 'foo', 'bar', 'baz'), mock_callback, [spec.Exchange.UnbindOk]) @mock.patch('pika.spec.Exchange.Unbind') @mock.patch('pika.channel.Channel._rpc') def test_exchange_unbind_rpc_request_nowait(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.exchange_unbind( mock_callback, 'foo', 'bar', 'baz', nowait=True) rpc.assert_called_once_with( spec.Exchange.Unbind(0, 'foo', 'bar', 'baz'), mock_callback, []) def test_flow_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.flow, 'foo', True) def test_flow_raises_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.flow, 'foo', True) @mock.patch('pika.spec.Channel.Flow') @mock.patch('pika.channel.Channel._rpc') def test_flow_on_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.flow(mock_callback, True) rpc.assert_called_once_with( spec.Channel.Flow(True), self.obj._on_flowok, [spec.Channel.FlowOk]) @mock.patch('pika.spec.Channel.Flow') @mock.patch('pika.channel.Channel._rpc') def test_flow_off_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.flow(mock_callback, False) rpc.assert_called_once_with( spec.Channel.Flow(False), self.obj._on_flowok, [spec.Channel.FlowOk]) @mock.patch('pika.channel.Channel._rpc') def test_flow_on_flowok_callback(self, _rpc): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.flow(mock_callback, True) self.assertEqual(self.obj._on_flowok_callback, mock_callback) def test_is_closed_true(self): self.obj._set_state(self.obj.CLOSED) self.assertTrue(self.obj.is_closed) def test_is_closed_false(self): self.obj._set_state(self.obj.OPEN) self.assertFalse(self.obj.is_closed) def test_is_closing_true(self): self.obj._set_state(self.obj.CLOSING) self.assertTrue(self.obj.is_closing) def test_is_closing_false(self): self.obj._set_state(self.obj.OPEN) self.assertFalse(self.obj.is_closing) @mock.patch('pika.channel.Channel._rpc') def test_channel_open_add_callbacks_called(self, _rpc): with mock.patch.object(self.obj, '_add_callbacks') as _add_callbacks: self.obj.open() _add_callbacks.assert_called_once_with() def test_queue_bind_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.queue_bind, None, 'foo', 'bar', 'baz') def test_queue_bind_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.queue_bind, 'callback', 'foo', 'bar', 'baz') @mock.patch('pika.spec.Queue.Bind') @mock.patch('pika.channel.Channel._rpc') def test_queue_bind_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_bind(mock_callback, 'foo', 'bar', 'baz') rpc.assert_called_once_with( spec.Queue.Bind(0, 'foo', 'bar', 'baz'), mock_callback, [spec.Queue.BindOk]) @mock.patch('pika.spec.Queue.Bind') @mock.patch('pika.channel.Channel._rpc') def test_queue_bind_rpc_request_nowait(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_bind(mock_callback, 'foo', 'bar', 'baz', nowait=True) rpc.assert_called_once_with( spec.Queue.Bind(0, 'foo', 'bar', 'baz'), mock_callback, []) def test_queue_declare_raises_channel_closed(self): self.assertRaises( exceptions.ChannelClosed, self.obj.queue_declare, None, queue='foo') def test_queue_declare_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.queue_declare, 'callback', 'foo') @mock.patch('pika.spec.Queue.Declare') @mock.patch('pika.channel.Channel._rpc') def test_queue_declare_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_declare(mock_callback, 'foo') rpc.assert_called_once_with( spec.Queue.Declare(0, 'foo'), mock_callback, [(spec.Queue.DeclareOk, { 'queue': 'foo' })]) @mock.patch('pika.spec.Queue.Declare') @mock.patch('pika.channel.Channel._rpc') def test_queue_declare_rpc_request_nowait(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_declare(mock_callback, 'foo', nowait=True) rpc.assert_called_once_with( spec.Queue.Declare(0, 'foo'), mock_callback, []) def test_queue_delete_raises_channel_closed(self): self.assertRaises( exceptions.ChannelClosed, self.obj.queue_delete, queue='foo') def test_queue_delete_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.queue_delete, 'callback', 'foo') @mock.patch('pika.spec.Queue.Delete') @mock.patch('pika.channel.Channel._rpc') def test_queue_delete_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_delete(mock_callback, 'foo') rpc.assert_called_once_with( spec.Queue.Delete(0, 'foo'), mock_callback, [spec.Queue.DeleteOk]) @mock.patch('pika.spec.Queue.Delete') @mock.patch('pika.channel.Channel._rpc') def test_queue_delete_rpc_request_nowait(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_delete(mock_callback, 'foo', nowait=True) rpc.assert_called_once_with( spec.Queue.Delete(0, 'foo'), mock_callback, []) def test_queue_purge_raises_channel_closed(self): self.assertRaises( exceptions.ChannelClosed, self.obj.queue_purge, queue='foo') def test_queue_purge_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.queue_purge, 'callback', 'foo') @mock.patch('pika.spec.Queue.Purge') @mock.patch('pika.channel.Channel._rpc') def test_queue_purge_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_purge(mock_callback, 'foo') rpc.assert_called_once_with( spec.Queue.Purge(0, 'foo'), mock_callback, [spec.Queue.PurgeOk]) @mock.patch('pika.spec.Queue.Purge') @mock.patch('pika.channel.Channel._rpc') def test_queue_purge_rpc_request_nowait(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_purge(mock_callback, 'foo', nowait=True) rpc.assert_called_once_with( spec.Queue.Purge(0, 'foo'), mock_callback, []) def test_queue_unbind_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.queue_unbind, None, 'foo', 'bar', 'baz') def test_queue_unbind_raises_value_error_on_invalid_callback(self): self.obj._set_state(self.obj.OPEN) self.assertRaises(ValueError, self.obj.queue_unbind, 'callback', 'foo', 'bar', 'baz') @mock.patch('pika.spec.Queue.Unbind') @mock.patch('pika.channel.Channel._rpc') def test_queue_unbind_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.queue_unbind(mock_callback, 'foo', 'bar', 'baz') rpc.assert_called_once_with( spec.Queue.Unbind(0, 'foo', 'bar', 'baz'), mock_callback, [spec.Queue.UnbindOk]) def test_tx_commit_raises_channel_closed(self): self.assertRaises(exceptions.ChannelClosed, self.obj.tx_commit, None) @mock.patch('pika.spec.Tx.Commit') @mock.patch('pika.channel.Channel._rpc') def test_tx_commit_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.tx_commit(mock_callback) rpc.assert_called_once_with(spec.Tx.Commit(), mock_callback, [spec.Tx.CommitOk]) @mock.patch('pika.spec.Tx.Rollback') @mock.patch('pika.channel.Channel._rpc') def test_tx_rollback_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.tx_rollback(mock_callback) rpc.assert_called_once_with(spec.Tx.Rollback(), mock_callback, [spec.Tx.RollbackOk]) @mock.patch('pika.spec.Tx.Select') @mock.patch('pika.channel.Channel._rpc') def test_tx_select_rpc_request(self, rpc, _unused): self.obj._set_state(self.obj.OPEN) mock_callback = mock.Mock() self.obj.tx_select(mock_callback) rpc.assert_called_once_with(spec.Tx.Select(), mock_callback, [spec.Tx.SelectOk]) # Test internal methods def test_add_callbacks_basic_cancel_empty_added(self): self.obj._add_callbacks() self.obj.callbacks.add.assert_any_call(self.obj.channel_number, spec.Basic.Cancel, self.obj._on_cancel, False) def test_add_callbacks_basic_get_empty_added(self): self.obj._add_callbacks() self.obj.callbacks.add.assert_any_call(self.obj.channel_number, spec.Basic.GetEmpty, self.obj._on_getempty, False) def test_add_callbacks_channel_close_added(self): self.obj._add_callbacks() self.obj.callbacks.add.assert_any_call(self.obj.channel_number, spec.Channel.Close, self.obj._on_close, True) def test_add_callbacks_channel_flow_added(self): self.obj._add_callbacks() self.obj.callbacks.add.assert_any_call(self.obj.channel_number, spec.Channel.Flow, self.obj._on_flow, False) def test_cleanup(self): self.obj._cleanup() self.obj.callbacks.cleanup.assert_called_once_with( str(self.obj.channel_number)) def test_handle_content_frame_method_returns_none(self): frame_value = frame.Method(1, spec.Basic.Deliver('ctag0', 1)) self.assertEqual(self.obj._handle_content_frame(frame_value), None) def test_handle_content_frame_sets_method_frame(self): frame_value = frame.Method(1, spec.Basic.Deliver('ctag0', 1)) self.obj._handle_content_frame(frame_value) self.assertEqual(self.obj._content_assembler._method_frame, frame_value) def test_handle_content_frame_sets_header_frame(self): frame_value = frame.Header(1, 10, spec.BasicProperties()) self.obj._handle_content_frame(frame_value) self.assertEqual(self.obj._content_assembler._header_frame, frame_value) def test_handle_content_frame_basic_deliver_called(self): method_value = frame.Method(1, spec.Basic.Deliver('ctag0', 1)) self.obj._handle_content_frame(method_value) header_value = frame.Header(1, 10, spec.BasicProperties()) self.obj._handle_content_frame(header_value) body_value = frame.Body(1, b'0123456789') with mock.patch.object(self.obj, '_on_deliver') as deliver: self.obj._handle_content_frame(body_value) deliver.assert_called_once_with(method_value, header_value, b'0123456789') def test_handle_content_frame_basic_get_called(self): method_value = frame.Method(1, spec.Basic.GetOk('ctag0', 1)) self.obj._handle_content_frame(method_value) header_value = frame.Header(1, 10, spec.BasicProperties()) self.obj._handle_content_frame(header_value) body_value = frame.Body(1, b'0123456789') with mock.patch.object(self.obj, '_on_getok') as getok: self.obj._handle_content_frame(body_value) getok.assert_called_once_with(method_value, header_value, b'0123456789') def test_handle_content_frame_basic_return_called(self): method_value = frame.Method(1, spec.Basic.Return(999, 'Reply Text', 'exchange_value', 'routing.key')) self.obj._handle_content_frame(method_value) header_value = frame.Header(1, 10, spec.BasicProperties()) self.obj._handle_content_frame(header_value) body_value = frame.Body(1, b'0123456789') with mock.patch.object(self.obj, '_on_return') as basic_return: self.obj._handle_content_frame(body_value) basic_return.assert_called_once_with(method_value, header_value, b'0123456789') def test_has_content_true(self): self.assertTrue(spec.has_content(spec.Basic.GetOk.INDEX)) def test_has_content_false(self): self.assertFalse(spec.has_content(spec.Basic.Ack.INDEX)) def test_on_cancel_not_appended_cancelled(self): consumer_tag = 'ctag0' frame_value = frame.Method(1, spec.Basic.Cancel(consumer_tag)) self.obj._on_cancel(frame_value) self.assertNotIn(consumer_tag, self.obj._cancelled) def test_on_cancel_removed_consumer(self): consumer_tag = 'ctag0' self.obj._consumers[consumer_tag] = logging.debug frame_value = frame.Method(1, spec.Basic.Cancel(consumer_tag)) self.obj._on_cancel(frame_value) self.assertNotIn(consumer_tag, self.obj._consumers) def test_on_cancelok_removed_consumer(self): consumer_tag = 'ctag0' self.obj._consumers[consumer_tag] = logging.debug frame_value = frame.Method(1, spec.Basic.CancelOk(consumer_tag)) self.obj._on_cancelok(frame_value) self.assertNotIn(consumer_tag, self.obj._consumers) @mock.patch('pika.spec.Channel.CloseOk') def test_on_close_in_open_state(self, _unused): self.obj._set_state(self.obj.OPEN) self.obj._send_method = mock.Mock(wraps=self.obj._send_method) self.obj._cleanup = mock.Mock(wraps=self.obj._cleanup) method_frame = frame.Method(self.obj.channel_number, spec.Channel.Close(400, 'error')) self.obj._on_close(method_frame) self.assertTrue(self.obj.is_closed, 'Channel was not closed; state=%s' % (self.obj._state, )) self.obj._send_method.assert_called_once_with(spec.Channel.CloseOk()) self.obj.callbacks.process.assert_any_call( self.obj.channel_number, '_on_channel_close', self.obj, self.obj, method_frame.method.reply_code, method_frame.method.reply_text) self.assertEqual(self.obj._cleanup.call_count, 1) def test_on_close_in_closing_state(self): self.obj._set_state(self.obj.CLOSING) self.obj._cleanup = mock.Mock(wraps=self.obj._cleanup) method_frame = frame.Method(self.obj.channel_number, spec.Channel.Close(400, 'error')) self.obj._on_close(method_frame) # Verify didn't alter state (will wait for CloseOk) self.assertTrue(self.obj.is_closing, 'Channel was not closed; state=%s' % (self.obj._state, )) self.assertEqual(self.obj._closing_code_and_text, (400, 'error')) self.assertFalse(self.obj.callbacks.process.called, self.obj.callbacks.process.call_args_list) self.assertFalse(self.obj._cleanup.called) @mock.patch('logging.Logger.warning') def test_on_close_warning(self, warning): method_frame = frame.Method(self.obj.channel_number, spec.Channel.Close(999, 'Test_Value')) self.obj._on_close(method_frame) warning.assert_called_once_with( 'Received remote Channel.Close (%s): %r on %s', method_frame.method.reply_code, method_frame.method.reply_text, self.obj) def _verify_on_close_meta_transitions_to_closed(self, initial_state): self.obj._set_state(initial_state) self.obj._cleanup = mock.Mock(wraps=self.obj._cleanup) self.obj._on_close_meta(-1, 'Undefined') self.assertTrue(self.obj.is_closed) self.assertEqual(self.obj._cleanup.call_count, 1) self.assertEqual(self.obj.callbacks.process.call_count, 2) self.obj.callbacks.process.assert_any_call( self.obj.channel_number, '_on_channel_close', self.obj, self.obj, -1, 'Undefined') self.obj.callbacks.process.assert_any_call( self.obj.channel_number, self.obj._ON_CHANNEL_CLEANUP_CB_KEY, self.obj, self.obj) def test_on_close_meta_in_opening_state_transitions_to_closed(self): self._verify_on_close_meta_transitions_to_closed(self.obj.OPENING) def test_on_close_meta_in_open_state_transitions_to_closed(self): self._verify_on_close_meta_transitions_to_closed(self.obj.OPEN) def test_on_close_meta_in_closing_state_transitions_to_closed(self): self._verify_on_close_meta_transitions_to_closed(self.obj.CLOSING) def test_on_close_meta_in_closed_state_is_suppressed(self): self.obj._cleanup = mock.Mock(wraps=self.obj._cleanup) self.obj._set_state(self.obj.CLOSED) self.obj._on_close_meta(500, 'Internal error') self.assertTrue(self.obj.is_closed) self.assertEqual(self.obj.callbacks.process.call_count, 0) self.assertEqual(self.obj._cleanup.call_count, 0) def test_on_deliver_callback_called(self): self.obj._set_state(self.obj.OPEN) consumer_tag = 'ctag0' mock_callback = mock.Mock() self.obj._consumers[consumer_tag] = mock_callback method_value = frame.Method(1, spec.Basic.Deliver(consumer_tag, 1)) header_value = frame.Header(1, 10, spec.BasicProperties()) body_value = b'0123456789' self.obj._on_deliver(method_value, header_value, body_value) mock_callback.assert_called_with(self.obj, method_value.method, header_value.properties, body_value) def test_on_closeok(self): self.obj._set_state(self.obj.OPEN) self.obj._cleanup = mock.Mock(wraps=self.obj._cleanup) # Close from user self.obj.close(200, 'All is well') self.assertEqual(self.obj._closing_code_and_text, (0, '')) self.assertEqual(self.obj._state, self.obj.CLOSING) self.obj._on_closeok( frame.Method(self.obj.channel_number, spec.Channel.CloseOk())) self.assertTrue(self.obj.is_closed, 'Channel was not closed; state=%s' % (self.obj._state, )) self.obj.callbacks.process.assert_any_call(self.obj.channel_number, '_on_channel_close', self.obj, self.obj, 0, '') self.assertEqual(self.obj._cleanup.call_count, 1) def test_on_closeok_following_close_from_broker(self): self.obj._set_state(self.obj.OPEN) self.obj._cleanup = mock.Mock(wraps=self.obj._cleanup) # Close from user self.obj.close(0, 'All is well') self.assertEqual(self.obj._closing_code_and_text, (0, '')) self.assertEqual(self.obj._state, self.obj.CLOSING) # Close from broker before Channel.CloseOk self.obj._on_close( frame.Method(self.obj.channel_number, spec.Channel.Close(400, 'broker is having a bad day'))) self.assertEqual(self.obj._closing_code_and_text, (400, 'broker is having a bad day')) self.assertEqual(self.obj._state, self.obj.CLOSING) self.obj._on_closeok( frame.Method(self.obj.channel_number, spec.Channel.CloseOk())) # Verify this completes closing of the channel self.assertTrue(self.obj.is_closed, 'Channel was not closed; state=%s' % (self.obj._state, )) self.assertEqual(self.obj.callbacks.process.call_count, 2) self.obj.callbacks.process.assert_any_call( self.obj.channel_number, '_on_channel_close', self.obj, self.obj, 400, 'broker is having a bad day') self.assertEqual(self.obj._cleanup.call_count, 1) @mock.patch('logging.Logger.debug') def test_on_getempty(self, debug): method_frame = frame.Method(self.obj.channel_number, spec.Basic.GetEmpty) self.obj._on_getempty(method_frame) debug.assert_called_with('Received Basic.GetEmpty: %r', method_frame) @mock.patch('logging.Logger.error') def test_on_getok_no_callback(self, error): method_value = frame.Method(1, spec.Basic.GetOk('ctag0', 1)) header_value = frame.Header(1, 10, spec.BasicProperties()) body_value = b'0123456789' self.obj._on_getok(method_value, header_value, body_value) error.assert_called_with( 'Basic.GetOk received with no active callback') def test_on_getok_callback_called(self): mock_callback = mock.Mock() self.obj._on_getok_callback = mock_callback method_value = frame.Method(1, spec.Basic.GetOk('ctag0', 1)) header_value = frame.Header(1, 10, spec.BasicProperties()) body_value = b'0123456789' self.obj._on_getok(method_value, header_value, body_value) mock_callback.assert_called_once_with( self.obj, method_value.method, header_value.properties, body_value) def test_on_getok_callback_reset(self): mock_callback = mock.Mock() self.obj._on_getok_callback = mock_callback method_value = frame.Method(1, spec.Basic.GetOk('ctag0', 1)) header_value = frame.Header(1, 10, spec.BasicProperties()) body_value = b'0123456789' self.obj._on_getok(method_value, header_value, body_value) self.assertIsNone(self.obj._on_getok_callback) @mock.patch('logging.Logger.debug') def test_on_confirm_selectok(self, debug): method_frame = frame.Method(self.obj.channel_number, spec.Confirm.SelectOk()) self.obj._on_selectok(method_frame) debug.assert_called_with('Confirm.SelectOk Received: %r', method_frame) @mock.patch('logging.Logger.debug') def test_on_eventok(self, debug): method_frame = frame.Method(self.obj.channel_number, spec.Basic.GetEmpty()) self.obj._on_eventok(method_frame) debug.assert_called_with('Discarding frame %r', method_frame) @mock.patch('logging.Logger.warning') def test_on_flow(self, warning): self.obj._has_on_flow_callback = False method_frame = frame.Method(self.obj.channel_number, spec.Channel.Flow()) self.obj._on_flow(method_frame) warning.assert_called_with('Channel.Flow received from server') @mock.patch('logging.Logger.warning') def test_on_flow_with_callback(self, warning): method_frame = frame.Method(self.obj.channel_number, spec.Channel.Flow()) self.obj._on_flowok_callback = logging.debug self.obj._on_flow(method_frame) self.assertEqual(len(warning.call_args_list), 1) @mock.patch('logging.Logger.warning') def test_on_flowok(self, warning): method_frame = frame.Method(self.obj.channel_number, spec.Channel.FlowOk()) self.obj._on_flowok(method_frame) warning.assert_called_with('Channel.FlowOk received with no active ' 'callbacks') def test_on_flowok_calls_callback(self): method_frame = frame.Method(self.obj.channel_number, spec.Channel.FlowOk()) mock_callback = mock.Mock() self.obj._on_flowok_callback = mock_callback self.obj._on_flowok(method_frame) mock_callback.assert_called_once_with(method_frame.method.active) def test_on_flowok_callback_reset(self): method_frame = frame.Method(self.obj.channel_number, spec.Channel.FlowOk()) mock_callback = mock.Mock() self.obj._on_flowok_callback = mock_callback self.obj._on_flowok(method_frame) self.assertIsNone(self.obj._on_flowok_callback) def test_on_openok_no_callback(self): self.obj._on_openok_callback = None method_value = frame.Method(1, spec.Channel.OpenOk()) self.obj._on_openok(method_value) self.assertEqual(self.obj._state, self.obj.OPEN) def test_on_openok_callback_called(self): mock_callback = mock.Mock() self.obj._on_openok_callback = mock_callback method_value = frame.Method(1, spec.Channel.OpenOk()) self.obj._on_openok(method_value) mock_callback.assert_called_once_with(self.obj) def test_onreturn(self): method_value = frame.Method(1, spec.Basic.Return(999, 'Reply Text', 'exchange_value', 'routing.key')) header_value = frame.Header(1, 10, spec.BasicProperties()) body_value = frame.Body(1, b'0123456789') self.obj._on_return(method_value, header_value, body_value) self.obj.callbacks.process.assert_called_with( self.obj.channel_number, '_on_return', self.obj, self.obj, method_value.method, header_value.properties, body_value) @mock.patch('logging.Logger.warning') def test_onreturn_warning(self, warning): method_value = frame.Method(1, spec.Basic.Return(999, 'Reply Text', 'exchange_value', 'routing.key')) header_value = frame.Header(1, 10, spec.BasicProperties()) body_value = frame.Body(1, b'0123456789') self.obj.callbacks.process.return_value = False self.obj._on_return(method_value, header_value, body_value) warning.assert_called_with( 'Basic.Return received from server (%r, %r)', method_value.method, header_value.properties) @mock.patch('pika.channel.Channel._rpc') def test_on_synchronous_complete(self, rpc): mock_callback = mock.Mock() expectation = [ spec.Queue.Unbind(0, 'foo', 'bar', 'baz'), mock_callback, [spec.Queue.UnbindOk] ] self.obj._blocked = collections.deque([expectation]) self.obj._on_synchronous_complete( frame.Method(self.obj.channel_number, spec.Basic.Ack(1))) rpc.assert_called_once_with(*expectation) def test_repr(self): text = repr(self.obj) self.assertTrue(text.startswith('