|
| 1 | +from unittest.mock import AsyncMock |
| 2 | + |
| 3 | +import pytest |
| 4 | + |
| 5 | +from a2a.client import A2AGrpcClient |
| 6 | +from a2a.grpc import a2a_pb2, a2a_pb2_grpc |
| 7 | +from a2a.types import ( |
| 8 | + AgentCapabilities, |
| 9 | + AgentCard, |
| 10 | + Message, |
| 11 | + MessageSendParams, |
| 12 | + Part, |
| 13 | + Role, |
| 14 | + Task, |
| 15 | + TaskIdParams, |
| 16 | + TaskQueryParams, |
| 17 | + TaskState, |
| 18 | + TaskStatus, |
| 19 | + TextPart, |
| 20 | +) |
| 21 | +from a2a.utils import proto_utils |
| 22 | + |
| 23 | + |
| 24 | +# Fixtures |
| 25 | +@pytest.fixture |
| 26 | +def mock_grpc_stub() -> AsyncMock: |
| 27 | + """Provides a mock gRPC stub with methods mocked.""" |
| 28 | + stub = AsyncMock(spec=a2a_pb2_grpc.A2AServiceStub) |
| 29 | + stub.SendMessage = AsyncMock() |
| 30 | + stub.SendStreamingMessage = AsyncMock() |
| 31 | + stub.GetTask = AsyncMock() |
| 32 | + stub.CancelTask = AsyncMock() |
| 33 | + stub.CreateTaskPushNotification = AsyncMock() |
| 34 | + stub.GetTaskPushNotification = AsyncMock() |
| 35 | + return stub |
| 36 | + |
| 37 | + |
| 38 | +@pytest.fixture |
| 39 | +def sample_agent_card() -> AgentCard: |
| 40 | + """Provides a minimal agent card for initialization.""" |
| 41 | + return AgentCard( |
| 42 | + name='gRPC Test Agent', |
| 43 | + description='Agent for testing gRPC client', |
| 44 | + url='grpc://localhost:50051', |
| 45 | + version='1.0', |
| 46 | + capabilities=AgentCapabilities(streaming=True, pushNotifications=True), |
| 47 | + defaultInputModes=['text/plain'], |
| 48 | + defaultOutputModes=['text/plain'], |
| 49 | + skills=[], |
| 50 | + ) |
| 51 | + |
| 52 | + |
| 53 | +@pytest.fixture |
| 54 | +def grpc_client( |
| 55 | + mock_grpc_stub: AsyncMock, sample_agent_card: AgentCard |
| 56 | +) -> A2AGrpcClient: |
| 57 | + """Provides an A2AGrpcClient instance.""" |
| 58 | + return A2AGrpcClient(grpc_stub=mock_grpc_stub, agent_card=sample_agent_card) |
| 59 | + |
| 60 | + |
| 61 | +@pytest.fixture |
| 62 | +def sample_message_send_params() -> MessageSendParams: |
| 63 | + """Provides a sample MessageSendParams object.""" |
| 64 | + return MessageSendParams( |
| 65 | + message=Message( |
| 66 | + role=Role.user, |
| 67 | + messageId='msg-1', |
| 68 | + parts=[Part(root=TextPart(text='Hello'))], |
| 69 | + ) |
| 70 | + ) |
| 71 | + |
| 72 | + |
| 73 | +@pytest.fixture |
| 74 | +def sample_task() -> Task: |
| 75 | + """Provides a sample Task object.""" |
| 76 | + return Task( |
| 77 | + id='task-1', |
| 78 | + contextId='ctx-1', |
| 79 | + status=TaskStatus(state=TaskState.completed), |
| 80 | + ) |
| 81 | + |
| 82 | + |
| 83 | +@pytest.fixture |
| 84 | +def sample_message() -> Message: |
| 85 | + """Provides a sample Message object.""" |
| 86 | + return Message( |
| 87 | + role=Role.agent, |
| 88 | + messageId='msg-response', |
| 89 | + parts=[Part(root=TextPart(text='Hi there'))], |
| 90 | + ) |
| 91 | + |
| 92 | + |
| 93 | +@pytest.mark.asyncio |
| 94 | +async def test_send_message_task_response( |
| 95 | + grpc_client: A2AGrpcClient, |
| 96 | + mock_grpc_stub: AsyncMock, |
| 97 | + sample_message_send_params: MessageSendParams, |
| 98 | + sample_task: Task, |
| 99 | +): |
| 100 | + """Test send_message that returns a Task.""" |
| 101 | + mock_grpc_stub.SendMessage.return_value = a2a_pb2.SendMessageResponse( |
| 102 | + task=proto_utils.ToProto.task(sample_task) |
| 103 | + ) |
| 104 | + |
| 105 | + response = await grpc_client.send_message(sample_message_send_params) |
| 106 | + |
| 107 | + mock_grpc_stub.SendMessage.assert_awaited_once() |
| 108 | + assert isinstance(response, Task) |
| 109 | + assert response.id == sample_task.id |
| 110 | + |
| 111 | + |
| 112 | +@pytest.mark.asyncio |
| 113 | +async def test_get_task( |
| 114 | + grpc_client: A2AGrpcClient, mock_grpc_stub: AsyncMock, sample_task: Task |
| 115 | +): |
| 116 | + """Test retrieving a task.""" |
| 117 | + mock_grpc_stub.GetTask.return_value = proto_utils.ToProto.task(sample_task) |
| 118 | + params = TaskQueryParams(id=sample_task.id) |
| 119 | + |
| 120 | + response = await grpc_client.get_task(params) |
| 121 | + |
| 122 | + mock_grpc_stub.GetTask.assert_awaited_once_with( |
| 123 | + a2a_pb2.GetTaskRequest(name=f'tasks/{sample_task.id}') |
| 124 | + ) |
| 125 | + assert response.id == sample_task.id |
| 126 | + |
| 127 | + |
| 128 | +@pytest.mark.asyncio |
| 129 | +async def test_cancel_task( |
| 130 | + grpc_client: A2AGrpcClient, mock_grpc_stub: AsyncMock, sample_task: Task |
| 131 | +): |
| 132 | + """Test cancelling a task.""" |
| 133 | + cancelled_task = sample_task.model_copy() |
| 134 | + cancelled_task.status.state = TaskState.canceled |
| 135 | + mock_grpc_stub.CancelTask.return_value = proto_utils.ToProto.task( |
| 136 | + cancelled_task |
| 137 | + ) |
| 138 | + params = TaskIdParams(id=sample_task.id) |
| 139 | + |
| 140 | + response = await grpc_client.cancel_task(params) |
| 141 | + |
| 142 | + mock_grpc_stub.CancelTask.assert_awaited_once_with( |
| 143 | + a2a_pb2.CancelTaskRequest(name=f'tasks/{sample_task.id}') |
| 144 | + ) |
| 145 | + assert response.status.state == TaskState.canceled |
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