def test_criterion_applied():
"""Test sampling w/ criterion."""
# Prepare
bridge = MagicMock()
client1 = GrpcClientProxy(cid="train_client_1", bridge=bridge)
client2 = GrpcClientProxy(cid="train_client_2", bridge=bridge)
client3 = GrpcClientProxy(cid="test_client_1", bridge=bridge)
client4 = GrpcClientProxy(cid="test_client_2", bridge=bridge)
client_manager = SimpleClientManager()
client_manager.register(client1)
client_manager.register(client2)
client_manager.register(client3)
client_manager.register(client4)
class TestCriterion(Criterion):
"""Criterion to select only test clients."""
def select(self, client: ClientProxy) -> bool:
return client.cid.startswith("test_")
# Execute
sampled_clients = client_manager.sample(2, criterion=TestCriterion())
# Assert
assert client3 in sampled_clients
assert client4 in sampled_clients
def test_get_parameters(self):
"""This test is currently quite simple and should be improved"""
# Prepare
client = GrpcClientProxy(cid="1", bridge=self.bridge_mock)
# Execute
value: flower.ParametersRes = client.get_parameters()
# Assert
assert value.parameters.tensors == []
def test_evaluate(self):
"""This test is currently quite simple and should be improved"""
# Prepare
client = GrpcClientProxy(cid="1", bridge=self.bridge_mock)
parameters = flower.Parameters(tensors=[], tensor_type="np")
evaluate_ins: flower.EvaluateIns = (parameters, {})
# Execute
value = client.evaluate(evaluate_ins)
# Assert
assert (0, 0.0) == value
def test_fit(self):
"""This test is currently quite simple and should be improved"""
# Prepare
client = GrpcClientProxy(cid="1", bridge=self.bridge_mock)
parameters = flower.weights_to_parameters([np.ones((2, 2))])
ins: flower.FitIns = (parameters, {})
# Execute
parameters_prime, num_examples, _ = client.fit(ins=ins)
# Assert
assert parameters_prime.tensor_type == "np"
assert flower.parameters_to_weights(parameters_prime) == []
assert num_examples == 10
def test_simple_client_manager_unregister():
"""Tests if the unregister method works correctly"""
# Prepare
cid = "1"
bridge = MagicMock()
client = GrpcClientProxy(cid=cid, bridge=bridge)
client_manager = SimpleClientManager()
client_manager.register(client)
# Execute
client_manager.unregister(client)
# Assert
assert len(client_manager) == 0
def test_criterion_not_applied():
"""Test sampling w/o criterion."""
# Prepare
bridge = MagicMock()
client1 = GrpcClientProxy(cid="train_client_1", bridge=bridge)
client2 = GrpcClientProxy(cid="train_client_2", bridge=bridge)
client3 = GrpcClientProxy(cid="test_client_1", bridge=bridge)
client4 = GrpcClientProxy(cid="test_client_2", bridge=bridge)
client_manager = SimpleClientManager()
client_manager.register(client1)
client_manager.register(client2)
client_manager.register(client3)
client_manager.register(client4)
# Execute
sampled_clients = client_manager.sample(4)
# Assert
assert client1 in sampled_clients
assert client2 in sampled_clients
assert client3 in sampled_clients
assert client4 in sampled_clients
def default_grpc_client_factory(cid: str,
bridge: GRPCBridge) -> GrpcClientProxy:
"""Return GrpcClientProxy instance."""
return GrpcClientProxy(cid=cid, bridge=bridge)