def testNoCallBack(self): '''Test RPC failing to invoke callback.''' # Fake socket with callback set to false socket = FakeSocket() socket.withNoResponse(False) socketFactory = FakeSocketFactory() socketFactory.setSocket(socket) # Create channel channel = ch.SocketRpcChannel("host", -1, socketFactory) # Create the service service = test_pb2.TestService_Stub(channel) # Call RPC method controller = channel.newController() callback = FakeCallback() service.TestMethod(controller, self.service_request, callback) self.assertFalse(callback.invoked, 'Callback invoked') self.assertEquals(self.serialized_request, socket.getRequest().request_proto, 'Request protocol serialisation') self.assertEquals(service.DESCRIPTOR.full_name, socket.getRequest().service_name, 'Service name') self.assertEquals(service.DESCRIPTOR.methods[0].name, socket.getRequest().method_name, 'Method name') # Call Blocking RPC controller = channel.newController() response = service.TestMethod(controller, self.service_request, None) self.assertFalse(controller.failed()) self.assertTrue(response is None, 'Response');
def testIOErrorWhileCreatingSocket(self): '''Test Error while creating socket.''' # Fake socket primed to throw an unknown host exception socket = FakeSocket() socket.throwIOErrorException() socketFactory = FakeSocketFactory() socketFactory.setSocket(socket) # Create channel channel = ch.SocketRpcChannel("host", -1, socketFactory) # Create the service service = test_pb2.TestService_Stub(channel) # Call RPC method controller = channel.newController() callback = FakeCallback() service.TestMethod(controller, self.service_request, callback) self.assertTrue(callback.invoked, 'Callback invoked') self.assertTrue(callback.response is None, 'Response') self.assertTrue(controller.failed()) self.assertEquals(rpc_pb2.IO_ERROR, controller.reason, 'Error reason') # Call Blocking RPC controller = channel.newController() try: service.TestMethod(controller, self.service_request, None) self.fail('Should have thrown error') except RpcError: self.assertTrue(controller.failed()) self.assertEquals(rpc_pb2.IO_ERROR, controller.reason, 'Error reason')
def test_openSocket_IO_ERROR(self): '''Test exceptional return from openSocket (IO_ERROR).''' # Fake socket primed to throw an unknown host exception socket = FakeSocket() socket.throwIOErrorException() self.factory.setSocket(socket) self.assertRaises(error.IOError, self.channel.openSocket, 'host', -1)
def test_openSocket_UNKNOWN_HOST(self): '''Test exceptional return from openSocket (UNKNOWN_HOST).''' self.assert_(self.channel.openSocket, "openSocket returns something") # Fake socket primed to throw an unknown host exception socket = FakeSocket() socket.throwUnknownHostException() self.factory.setSocket(socket) self.assertRaises(error.UnknownHostError, self.channel.openSocket, 'host', -1)
def setUp(self): # Create a channel connected to a fake socket self.factory = FakeSocketFactory() self.socket = FakeSocket() self.channel = ch.SocketRpcChannel(socketFactory=self.factory) self.controller = self.channel.newController() self.lc = ch._LifeCycle(self.controller, self.channel) self.factory.setSocket(self.socket) # Define a simple service request self.service_request = test_pb2.Request() self.service_request.str_data = 'The lord giveth' self.serialized_request = self.service_request.SerializeToString() # Define an RPC request with the service request as payload self.rpc_request = rpc_pb2.Request() self.rpc_request.request_proto = self.serialized_request
def testBadResponse(self): '''Test bad response from server.''' # Fake socket with prepared response socket = FakeSocket() socket.withInputBytes("bad response") socketFactory = FakeSocketFactory() socketFactory.setSocket(socket) # Create channel channel = ch.SocketRpcChannel("host", -1, socketFactory) # Create the service service = test_pb2.TestService_Stub(channel) # Call RPC method controller = channel.newController() callback = FakeCallback() service.TestMethod(controller, self.service_request, callback) # Verify request was sent and bad response received self.assertTrue(callback.invoked, 'Callback invoked') self.assertEquals(self.serialized_request, socket.getRequest().request_proto, 'Request protocol serialisation') self.assertTrue(controller.failed(), 'Controller failed') self.assertTrue(callback.response is None, 'Response') self.assertEquals(rpc_pb2.BAD_RESPONSE_PROTO, controller.reason, 'Controller reason') # Call Blocking RPC controller = channel.newController() try: service.TestMethod(controller, self.service_request, None) self.fail('Should have thrown error') except RpcError: self.assertTrue(controller.failed()) self.assertEquals(rpc_pb2.BAD_RESPONSE_PROTO, controller.reason, 'Error reason')
def testGoodRpc(self): '''Test a good RPC call.''' # Fake socket with prepared response socket = FakeSocket() socket.withResponseProto(self.service_response) socketFactory = FakeSocketFactory() socketFactory.setSocket(socket) # Create channel channel = ch.SocketRpcChannel("host", -1, socketFactory) # Create the service service = test_pb2.TestService_Stub(channel) def VerifyGoodRpc(response): self.assertEquals(self.service_response.str_data, response.str_data, 'Response message') self.assertEquals(self.serialized_request, socket.getRequest().request_proto, 'Request protocol serialisation') self.assertEquals(service.DESCRIPTOR.full_name, socket.getRequest().service_name, 'Service name') self.assertEquals(service.DESCRIPTOR.methods[0].name, socket.getRequest().method_name, 'Method name') # Call RPC method controller = channel.newController() callback = FakeCallback() service.TestMethod(controller, self.service_request, callback) self.assertTrue(callback.invoked, 'Callback invoked') VerifyGoodRpc(callback.response) # Call Blocking RPC controller = channel.newController() response = service.TestMethod(controller, self.service_request, None) VerifyGoodRpc(response)
def testIncompleteRequest(self): '''Test calling RPC with incomplete request.''' # Create data service_request = test_pb2.Request() # Fake socket with prepared response socket = FakeSocket() socket.withResponseProto(self.service_response) socketFactory = FakeSocketFactory() socketFactory.setSocket(socket) # Create channel channel = ch.SocketRpcChannel("host", -1, socketFactory) # Create the service service = test_pb2.TestService_Stub(channel) # Call RPC method controller = channel.newController() callback = FakeCallback() service.TestMethod(controller, service_request, callback) self.assertTrue(callback.invoked, 'Callback invoked') self.assertTrue(callback.response is None, 'Response') self.assertEquals(rpc_pb2.BAD_REQUEST_PROTO, controller.reason) self.assertTrue(controller.failed()) # Call Blocking RPC controller = channel.newController() try: service.TestMethod(controller, service_request, None) self.fail('Should have thrown error') except RpcError: self.assertTrue(controller.failed()) self.assertEquals(rpc_pb2.BAD_REQUEST_PROTO, controller.reason, 'Error reason')