style: type issues in test folder

tests/client/test_auth_middleware.py

@@ -17,6 +17,7 @@
     ClientFactory,
     InMemoryContextCredentialStore,
 )
+from a2a.client.auth.credentials import InMemoryContextCredentialStore
 from a2a.types import (
     APIKeySecurityScheme,
     AgentCapabilities,
@@ -106,7 +107,9 @@ def store():
 
 
 @pytest.mark.asyncio
-async def test_auth_interceptor_skips_when_no_agent_card(store):
+async def test_auth_interceptor_skips_when_no_agent_card(
+    store: InMemoryContextCredentialStore,
+):
     """
     Tests that the AuthInterceptor does not modify the request when no AgentCard is provided.
     """
@@ -126,7 +129,9 @@ async def test_auth_interceptor_skips_when_no_agent_card(store):
 
 
 @pytest.mark.asyncio
-async def test_in_memory_context_credential_store(store):
+async def test_in_memory_context_credential_store(
+    store: InMemoryContextCredentialStore,
+):
     """
     Verifies that InMemoryContextCredentialStore correctly stores and retrieves
     credentials based on the session ID in the client context.
@@ -284,7 +289,9 @@ class AuthTestCase:
     [api_key_test_case, oauth2_test_case, oidc_test_case, bearer_test_case],
 )
 @respx.mock
-async def test_auth_interceptor_variants(test_case, store):
+async def test_auth_interceptor_variants(
+    test_case: AuthTestCase, store: InMemoryContextCredentialStore
+):
     """
     Parametrized test verifying that AuthInterceptor correctly attaches credentials
     based on the defined security scheme in the AgentCard.
@@ -329,7 +336,7 @@ async def test_auth_interceptor_variants(test_case, store):
 
 @pytest.mark.asyncio
 async def test_auth_interceptor_skips_when_scheme_not_in_security_schemes(
-    store,
+    store: InMemoryContextCredentialStore,
 ):
     """
     Tests that AuthInterceptor skips a scheme if it's listed in security requirements

tests/client/test_base_client.py

@@ -19,12 +19,12 @@
 
 
 @pytest.fixture
-def mock_transport():
+def mock_transport() -> AsyncMock:
     return AsyncMock(spec=ClientTransport)
 
 
 @pytest.fixture
-def sample_agent_card():
+def sample_agent_card() -> AgentCard:
     return AgentCard(
         name='Test Agent',
         description='An agent for testing',
@@ -38,7 +38,7 @@ def sample_agent_card():
 
 
 @pytest.fixture
-def sample_message():
+def sample_message() -> Message:
     return Message(
         role=Role.user,
         message_id='msg-1',
@@ -47,7 +47,7 @@ def sample_message():
 
 
 @pytest.fixture
-def base_client(sample_agent_card, mock_transport):
+def base_client(sample_agent_card: AgentCard, mock_transport: AsyncMock):
     config = ClientConfig(streaming=True)
     return BaseClient(
         card=sample_agent_card,

tests/client/test_client_task_manager.py

@@ -22,12 +22,12 @@
 
 
 @pytest.fixture
-def task_manager():
+def task_manager() -> ClientTaskManager:
     return ClientTaskManager()
 
 
 @pytest.fixture
-def sample_task():
+def sample_task() -> Task:
     return Task(
         id='task123',
         context_id='context456',
@@ -38,7 +38,7 @@ def sample_task():
 
 
 @pytest.fixture
-def sample_message():
+def sample_message() -> Message:
     return Message(
         message_id='msg1',
         role=Role.user,

tests/client/test_errors.py

@@ -178,7 +178,7 @@ def test_raising_base_error(self):
         (500, 'Server Error', 'HTTP Error 500: Server Error'),
     ],
 )
-def test_http_error_parametrized(status_code, message, expected):
+def test_http_error_parametrized(status_code: int, message: str, expected: str):
     """Parametrized test for HTTP errors with different status codes."""
     error = A2AClientHTTPError(status_code, message)
     assert error.status_code == status_code
@@ -194,7 +194,7 @@ def test_http_error_parametrized(status_code, message, expected):
         ('Parsing failed', 'JSON Error: Parsing failed'),
     ],
 )
-def test_json_error_parametrized(message, expected):
+def test_json_error_parametrized(message: str, expected: str):
     """Parametrized test for JSON errors with different messages."""
     error = A2AClientJSONError(message)
     assert error.message == message

tests/client/test_grpc_client.py

@@ -128,7 +128,7 @@ def sample_task_status_update_event() -> TaskStatusUpdateEvent:
 
 @pytest.fixture
 def sample_task_artifact_update_event(
-    sample_artifact,
+    sample_artifact: Artifact,
 ) -> TaskArtifactUpdateEvent:
     """Provides a sample TaskArtifactUpdateEvent."""
     return TaskArtifactUpdateEvent(

tests/server/agent_execution/test_context.py

@@ -19,21 +19,22 @@ class TestRequestContext:
     """Tests for the RequestContext class."""
 
     @pytest.fixture
-    def mock_message(self):
+    def mock_message(self) -> Mock:
         """Fixture for a mock Message."""
+
         return Mock(spec=Message, task_id=None, context_id=None)
 
     @pytest.fixture
-    def mock_params(self, mock_message):
+    def mock_params(self, mock_message: Mock) -> Mock:
         """Fixture for a mock MessageSendParams."""
         return Mock(spec=MessageSendParams, message=mock_message)
 
     @pytest.fixture
-    def mock_task(self):
+    def mock_task(self) -> Mock:
         """Fixture for a mock Task."""
         return Mock(spec=Task, id='task-123', context_id='context-456')
 
-    def test_init_without_params(self):
+    def test_init_without_params(self) -> None:
         """Test initialization without parameters."""
         context = RequestContext()
         assert context.message is None
@@ -42,7 +43,7 @@ def test_init_without_params(self):
         assert context.current_task is None
         assert context.related_tasks == []
 
-    def test_init_with_params_no_ids(self, mock_params):
+    def test_init_with_params_no_ids(self, mock_params: Mock) -> None:
         """Test initialization with params but no task or context IDs."""
         with patch(
             'uuid.uuid4',
@@ -65,23 +66,23 @@ def test_init_with_params_no_ids(self, mock_params):
             == '00000000-0000-0000-0000-000000000002'
         )
 
-    def test_init_with_task_id(self, mock_params):
+    def test_init_with_task_id(self, mock_params: Mock) -> None:
         """Test initialization with task ID provided."""
         task_id = 'task-123'
         context = RequestContext(request=mock_params, task_id=task_id)
 
         assert context.task_id == task_id
         assert mock_params.message.task_id == task_id
 
-    def test_init_with_context_id(self, mock_params):
+    def test_init_with_context_id(self, mock_params: Mock) -> None:
         """Test initialization with context ID provided."""
         context_id = 'context-456'
         context = RequestContext(request=mock_params, context_id=context_id)
 
         assert context.context_id == context_id
         assert mock_params.message.context_id == context_id
 
-    def test_init_with_both_ids(self, mock_params):
+    def test_init_with_both_ids(self, mock_params: Mock) -> None:
         """Test initialization with both task and context IDs provided."""
         task_id = 'task-123'
         context_id = 'context-456'
@@ -94,7 +95,7 @@ def test_init_with_both_ids(self, mock_params):
         assert context.context_id == context_id
         assert mock_params.message.context_id == context_id
 
-    def test_init_with_task(self, mock_params, mock_task):
+    def test_init_with_task(self, mock_params: Mock, mock_task: Mock) -> None:
         """Test initialization with a task object."""
         context = RequestContext(request=mock_params, task=mock_task)
 
@@ -105,7 +106,7 @@ def test_get_user_input_no_params(self):
         context = RequestContext()
         assert context.get_user_input() == ''
 
-    def test_attach_related_task(self, mock_task):
+    def test_attach_related_task(self, mock_task: Mock):
         """Test attach_related_task adds a task to related_tasks."""
         context = RequestContext()
         assert len(context.related_tasks) == 0
@@ -120,7 +121,7 @@ def test_attach_related_task(self, mock_task):
         assert len(context.related_tasks) == 2
         assert context.related_tasks[1] == another_task
 
-    def test_current_task_property(self, mock_task):
+    def test_current_task_property(self, mock_task: Mock) -> None:
         """Test current_task getter and setter."""
         context = RequestContext()
         assert context.current_task is None
@@ -133,13 +134,15 @@ def test_current_task_property(self, mock_task):
         context.current_task = new_task
         assert context.current_task == new_task
 
-    def test_check_or_generate_task_id_no_params(self):
+    def test_check_or_generate_task_id_no_params(self) -> None:
         """Test _check_or_generate_task_id with no params does nothing."""
         context = RequestContext()
         context._check_or_generate_task_id()
         assert context.task_id is None
 
-    def test_check_or_generate_task_id_with_existing_task_id(self, mock_params):
+    def test_check_or_generate_task_id_with_existing_task_id(
+        self, mock_params: Mock
+    ) -> None:
         """Test _check_or_generate_task_id with existing task ID."""
         existing_id = 'existing-task-id'
         mock_params.message.task_id = existing_id
@@ -151,8 +154,8 @@ def test_check_or_generate_task_id_with_existing_task_id(self, mock_params):
         assert mock_params.message.task_id == existing_id
 
     def test_check_or_generate_task_id_with_custom_id_generator(
-        self, mock_params
-    ):
+        self, mock_params: Mock
+    ) -> None:
         """Test _check_or_generate_task_id uses custom ID generator when provided."""
         id_generator = Mock(spec=IDGenerator)
         id_generator.generate.return_value = 'custom-task-id'
@@ -164,14 +167,14 @@ def test_check_or_generate_task_id_with_custom_id_generator(
 
         assert context.task_id == 'custom-task-id'
 
-    def test_check_or_generate_context_id_no_params(self):
+    def test_check_or_generate_context_id_no_params(self) -> None:
         """Test _check_or_generate_context_id with no params does nothing."""
         context = RequestContext()
         context._check_or_generate_context_id()
         assert context.context_id is None
 
     def test_check_or_generate_context_id_with_existing_context_id(
-        self, mock_params
+        self, mock_params: Mock
     ):
         """Test _check_or_generate_context_id with existing context ID."""
         existing_id = 'existing-context-id'
@@ -184,8 +187,8 @@ def test_check_or_generate_context_id_with_existing_context_id(
         assert mock_params.message.context_id == existing_id
 
     def test_check_or_generate_context_id_with_custom_id_generator(
-        self, mock_params
-    ):
+        self, mock_params: Mock
+    ) -> None:
         """Test _check_or_generate_context_id uses custom ID generator when provided."""
         id_generator = Mock(spec=IDGenerator)
         id_generator.generate.return_value = 'custom-context-id'
@@ -198,8 +201,8 @@ def test_check_or_generate_context_id_with_custom_id_generator(
         assert context.context_id == 'custom-context-id'
 
     def test_init_raises_error_on_task_id_mismatch(
-        self, mock_params, mock_task
-    ):
+        self, mock_params: Mock, mock_task: Mock
+    ) -> None:
         """Test that an error is raised if provided task_id mismatches task.id."""
         with pytest.raises(ServerError) as exc_info:
             RequestContext(
@@ -208,8 +211,8 @@ def test_init_raises_error_on_task_id_mismatch(
         assert 'bad task id' in str(exc_info.value.error.message)
 
     def test_init_raises_error_on_context_id_mismatch(
-        self, mock_params, mock_task
-    ):
+        self, mock_params: Mock, mock_task: Mock
+    ) -> None:
         """Test that an error is raised if provided context_id mismatches task.context_id."""
         # Set a valid task_id to avoid that error
         mock_params.message.task_id = mock_task.id
@@ -224,36 +227,38 @@ def test_init_raises_error_on_context_id_mismatch(
 
         assert 'bad context id' in str(exc_info.value.error.message)
 
-    def test_with_related_tasks_provided(self, mock_task):
+    def test_with_related_tasks_provided(self, mock_task: Mock) -> None:
         """Test initialization with related tasks provided."""
         related_tasks = [mock_task, Mock(spec=Task)]
         context = RequestContext(related_tasks=related_tasks)
 
         assert context.related_tasks == related_tasks
         assert len(context.related_tasks) == 2
 
-    def test_message_property_without_params(self):
+    def test_message_property_without_params(self) -> None:
         """Test message property returns None when no params are provided."""
         context = RequestContext()
         assert context.message is None
 
-    def test_message_property_with_params(self, mock_params):
+    def test_message_property_with_params(self, mock_params: Mock) -> None:
         """Test message property returns the message from params."""
         context = RequestContext(request=mock_params)
         assert context.message == mock_params.message
 
-    def test_metadata_property_without_content(self):
+    def test_metadata_property_without_content(self) -> None:
         """Test metadata property returns empty dict when no content are provided."""
         context = RequestContext()
         assert context.metadata == {}
 
-    def test_metadata_property_with_content(self, mock_params):
+    def test_metadata_property_with_content(self, mock_params: Mock) -> None:
         """Test metadata property returns the metadata from params."""
         mock_params.metadata = {'key': 'value'}
         context = RequestContext(request=mock_params)
         assert context.metadata == {'key': 'value'}
 
-    def test_init_with_existing_ids_in_message(self, mock_message, mock_params):
+    def test_init_with_existing_ids_in_message(
+        self, mock_message, mock_params
+    ) -> None:
         """Test initialization with existing IDs in the message."""
         mock_message.task_id = 'existing-task-id'
         mock_message.context_id = 'existing-context-id'
@@ -265,8 +270,8 @@ def test_init_with_existing_ids_in_message(self, mock_message, mock_params):
         # No new UUIDs should be generated
 
     def test_init_with_task_id_and_existing_task_id_match(
-        self, mock_params, mock_task
-    ):
+        self, mock_params: Mock, mock_task
+    ) -> None:
         """Test initialization succeeds when task_id matches task.id."""
         mock_params.message.task_id = mock_task.id
 
@@ -278,8 +283,8 @@ def test_init_with_task_id_and_existing_task_id_match(
         assert context.current_task == mock_task
 
     def test_init_with_context_id_and_existing_context_id_match(
-        self, mock_params, mock_task
-    ):
+        self, mock_params: Mock, mock_task: Mock
+    ) -> None:
         """Test initialization succeeds when context_id matches task.context_id."""
         mock_params.message.task_id = mock_task.id  # Set matching task ID
         mock_params.message.context_id = mock_task.context_id
@@ -294,7 +299,7 @@ def test_init_with_context_id_and_existing_context_id_match(
         assert context.context_id == mock_task.context_id
         assert context.current_task == mock_task
 
-    def test_extension_handling(self):
+    def test_extension_handling(self) -> None:
         """Test extension handling in RequestContext."""
         call_context = ServerCallContext(requested_extensions={'foo', 'bar'})
         context = RequestContext(call_context=call_context)