New testing utilities package with mock implementations for integration testing

.azdo/ci-pr.yaml

@@ -88,6 +88,7 @@ steps:
     python -m pip install ./dist/microsoft_agents_hosting_fastapi*.whl
     python -m pip install ./dist/microsoft_agents_storage_blob*.whl
     python -m pip install ./dist/microsoft_agents_storage_cosmos*.whl
+    python -m pip install ./dist/microsoft_agents_testing*.whl
   displayName: 'Install wheels'
 
 - script: |

.github/workflows/python-package.yml

@@ -77,6 +77,7 @@ jobs:
         python -m pip install ./dist/microsoft_agents_hosting_fastapi*.whl
         python -m pip install ./dist/microsoft_agents_storage_blob*.whl
         python -m pip install ./dist/microsoft_agents_storage_cosmos*.whl
+        python -m pip install ./dist/microsoft_agents_testing*.whl
     - name: Test with pytest
       run: |
         pytest -W "ignore:SelectableGroups dict interface is deprecated. Use select.:DeprecationWarning"

changelog.md

@@ -3,6 +3,10 @@
 **Release Date:** Unreleased
 **Previous Version:** 1.4.0 (Released 2026-08-18)
 
+## Major Features & Enhancements
+
+- **Testing Package**: Added the new `microsoft-agents-testing` package with an in-memory `TestAdapter`, fluent `TestFlow` conversation assertions, and `MockUserTokenClient` support for testing OAuth and token-exchange flows without external services.
+
 ## Developer Experience
 
 - **Authentication Configuration Validation**: Added validation for certificate, federated credential, and workload identity authentication settings

dev/integration/pyproject.toml

@@ -9,5 +9,6 @@ dependencies = [
     "microsoft-agents-hosting-aiohttp",
     "microsoft-agents-hosting-dialogs",
     "microsoft-agents-hosting-fastapi",
-    "microsoft-agents-testing @ file:///${PROJECT_ROOT}/../microsoft-agents-testing",
+    "microsoft-agents-hosting-testing @ file:///${PROJECT_ROOT}/../microsoft-agents-hosting-testing",
+    "microsoft-agents-testing @ file:///${PROJECT_ROOT}/../../libraries/microsoft-agents-testing",
 ]

dev/integration/tests/activity_handler/dialogs/scenario.py

@@ -3,7 +3,7 @@
 
 """Scenario definition for ActivityHandler-based dialog integration tests."""
 
-from microsoft_agents.testing import (
+from microsoft_agents.hosting.testing import (
     ActivityHandlerEnvironment,
     ActivityHandlerScenario,
     ScenarioConfig,

dev/integration/tests/activity_handler/dialogs/test_booking_dialog.py

@@ -21,7 +21,7 @@
 
 import pytest
 
-from microsoft_agents.testing import (
+from microsoft_agents.hosting.testing import (
     ActivityHandlerEnvironment,
     ActivityHandlerScenario,
     AgentClient,

dev/integration/tests/activity_handler/dialogs/test_user_profile_dialog.py

@@ -23,7 +23,7 @@
 import pytest
 
 from microsoft_agents.activity import Activity, Attachment, ActivityTypes
-from microsoft_agents.testing import AgentClient, ScenarioConfig, ClientConfig, ActivityTemplate
+from microsoft_agents.hosting.testing import AgentClient, ScenarioConfig, ClientConfig, ActivityTemplate
 
 from .scenario import create_dialog_scenario
 

dev/integration/tests/auth/test_oauth_continuation.py

@@ -12,22 +12,19 @@
     Channels,
     ResourceResponse,
     SignInConstants,
-    SignInResource,
-    TokenExchangeResource,
     TokenExchangeRequest,
-    TokenOrSignInResourceResponse,
-    TokenPostResource,
     TokenResponse,
 )
-from microsoft_agents.hosting.core import TurnContext, TurnState, UserTokenClientBase
-from microsoft_agents.testing import (
+from microsoft_agents.hosting.core import TurnContext, TurnState
+from microsoft_agents.hosting.testing import (
     ActivityTemplate,
     AgentClient,
     AgentEnvironment,
     AiohttpScenario,
     ClientConfig,
     ScenarioConfig,
 )
+from microsoft_agents.testing import MockUserTokenClient
 
 _APP_ID = "test-app-id"
 _CONVERSATION_ID = "auth-continuation-conversation"
@@ -40,7 +37,6 @@
 
 class _AuthFlowTestState:
     def reset(self) -> None:
-        self.token_available = False
         self.exchange_requests = []
         self.get_token_or_sign_in_calls = []
         self.replay_started = asyncio.Event()
@@ -53,219 +49,96 @@ def reset(self) -> None:
 _auth_flow.reset()
 
 
-class _FakeUserToken:
-    def __init__(self, state: _AuthFlowTestState):
-        self._state = state
+def _create_user_token_client(
+    state: _AuthFlowTestState,
+) -> MockUserTokenClient:
+    client = MockUserTokenClient()
+    client.add_exchangeable_token(
+        connection_name=_OAUTH_CONNECTION_NAME,
+        channel_id=Channels.ms_teams,
+        user_id="user-id",
+        exchangeable_item="sso-token",
+        token="exchanged-token",
+    )
 
-    async def get_token(
-        self,
-        user_id: str,
-        connection_name: str,
-        channel_id: Optional[str] = None,
-        code: Optional[str] = None,
-    ) -> TokenResponse:
-        if self._state.token_available:
-            return TokenResponse(
-                connection_name=connection_name,
-                token="cached-token",
-                channel_id=channel_id,
-            )
-        return TokenResponse()
+    get_sign_in_resource = client.get_sign_in_resource
 
-    async def _get_token_or_sign_in_resource(
-        self,
-        user_id: str,
+    async def get_sign_in_resource_with_fixed_exchange_id(
         connection_name: str,
-        channel_id: str,
-        state: str,
-        code: str = "",
-        final_redirect: str = "",
-        fwd_url: str = "",
-    ) -> TokenOrSignInResourceResponse:
-        self._state.get_token_or_sign_in_calls.append(
-            {
-                "user_id": user_id,
-                "connection_name": connection_name,
-                "channel_id": channel_id,
-            }
-        )
-        if self._state.token_available:
-            return TokenOrSignInResourceResponse(
-                token_response=TokenResponse(
-                    connection_name=connection_name,
-                    token="cached-token",
-                    channel_id=channel_id,
-                )
-            )
-        return TokenOrSignInResourceResponse(
-            sign_in_resource=SignInResource(
-                sign_in_link="https://example.test/signin",
-                token_exchange_resource=TokenExchangeResource(
-                    id=_TOKEN_EXCHANGE_ID,
-                    uri="api://test-token-exchange",
-                    provider_id="test-provider",
-                ),
-                token_post_resource=TokenPostResource(
-                    sas_url="https://example.test/token-post"
-                ),
-            )
+        activity: Activity,
+        final_redirect: str | None = None,
+    ):
+        resource = await get_sign_in_resource(
+            connection_name,
+            activity,
+            final_redirect,
         )
+        resource.token_exchange_resource.id = _TOKEN_EXCHANGE_ID
+        return resource
 
-    async def get_aad_tokens(
-        self,
-        user_id: str,
-        connection_name: str,
-        channel_id: Optional[str] = None,
-        body: Optional[dict] = None,
-    ) -> dict[str, TokenResponse]:
-        return {}
+    client.get_sign_in_resource = get_sign_in_resource_with_fixed_exchange_id
 
-    async def sign_out(
-        self,
-        user_id: str,
-        connection_name: Optional[str] = None,
-        channel_id: Optional[str] = None,
-    ) -> None:
-        self._state.token_available = False
+    get_token_or_sign_in_resource = client.get_token_or_sign_in_resource
 
-    async def get_token_status(
-        self,
-        user_id: str,
-        channel_id: Optional[str] = None,
-        include: Optional[str] = None,
-    ) -> list:
-        return []
-
-    async def exchange_token(
-        self,
-        user_id: str,
+    async def get_token_or_sign_in_resource_with_tracking(
         connection_name: str,
-        channel_id: str,
-        body: Optional[dict] = None,
-    ) -> TokenResponse:
-        self._state.exchange_requests.append(
+        activity: Activity,
+        code: str | None = None,
+        final_redirect: str | None = None,
+        fwd_url: str | None = None,
+    ):
+        state.get_token_or_sign_in_calls.append(
             {
-                "user_id": user_id,
+                "user_id": activity.from_property.id,
                 "connection_name": connection_name,
-                "channel_id": channel_id,
-                "body": body,
+                "channel_id": activity.channel_id,
             }
         )
-        self._state.token_available = True
-        return TokenResponse(
-            connection_name=connection_name,
-            token="exchanged-token",
-            channel_id=channel_id,
-        )
-
-
-class _FakeUserTokenClient(UserTokenClientBase):
-    def __init__(self, state: _AuthFlowTestState):
-        self._user_token = _FakeUserToken(state)
-
-    @property
-    def user_token(self) -> _FakeUserToken:
-        return self._user_token
-
-    @property
-    def agent_sign_in(self):
-        return None
-
-    async def get_user_token(
-        self,
-        user_id: str,
-        connection_name: str,
-        channel_id: str,
-        magic_code: str | None = None,
-    ) -> TokenResponse:
-        return await self._user_token.get_token(
-            user_id,
-            connection_name,
-            channel_id,
-            code=magic_code,
-        )
-
-    async def get_sign_in_resource(
-        self,
-        connection_name: str,
-        activity: Activity,
-        final_redirect: str | None = None,
-    ) -> SignInResource:
-        response = await self.get_token_or_sign_in_resource(
+        return await get_token_or_sign_in_resource(
             connection_name,
             activity,
-            final_redirect=final_redirect,
+            code,
+            final_redirect,
+            fwd_url,
         )
-        return response.sign_in_resource
 
-    async def sign_out_user(
-        self,
-        user_id: str,
-        connection_name: str,
-        channel_id: str,
-    ) -> None:
-        await self._user_token.sign_out(user_id, connection_name, channel_id)
+    client.get_token_or_sign_in_resource = (
+        get_token_or_sign_in_resource_with_tracking
+    )
 
-    async def get_token_status(
-        self,
-        user_id: str,
-        channel_id: str,
-        include: str | None = None,
-    ) -> list:
-        return await self._user_token.get_token_status(
-            user_id,
-            channel_id,
-            include=include,
-        )
+    exchange_token = client.exchange_token
 
-    async def get_aad_tokens(
-        self,
-        user_id: str,
-        connection_name: str,
-        resource_urls: list[str],
-        channel_id: str,
-    ) -> dict[str, TokenResponse]:
-        return await self._user_token.get_aad_tokens(
-            user_id,
-            connection_name,
-            channel_id,
-            {"resourceUrls": resource_urls},
-        )
-
-    async def exchange_token(
-        self,
+    async def exchange_token_with_tracking(
         user_id: str,
         connection_name: str,
         channel_id: str,
         exchange_request: TokenExchangeRequest,
     ) -> TokenResponse:
-        return await self._user_token.exchange_token(
+        state.exchange_requests.append(
+            {
+                "user_id": user_id,
+                "connection_name": connection_name,
+                "channel_id": channel_id,
+                "body": exchange_request.model_dump(exclude_none=True),
+            }
+        )
+        response = await exchange_token(
             user_id,
             connection_name,
             channel_id,
-            exchange_request.model_dump(exclude_none=True),
-        )
-
-    async def get_token_or_sign_in_resource(
-        self,
-        connection_name: str,
-        activity: Activity,
-        code: str | None = None,
-        final_redirect: str | None = None,
-        fwd_url: str | None = None,
-    ) -> TokenOrSignInResourceResponse:
-        return await self._user_token._get_token_or_sign_in_resource(
-            user_id=activity.from_property.id,
-            connection_name=connection_name,
-            channel_id=activity.channel_id,
-            state="test-state",
-            code=code or "",
-            final_redirect=final_redirect or "",
-            fwd_url=fwd_url or "",
+            exchange_request,
         )
+        if response.token:
+            client.add_user_token(
+                connection_name=connection_name,
+                channel_id=channel_id,
+                user_id=user_id,
+                token=response.token,
+            )
+        return response
 
-    async def close(self) -> None:
-        return None
+    client.exchange_token = exchange_token_with_tracking
+    return client
 
 
 class _FakeConversations:
@@ -329,7 +202,7 @@ async def close(self) -> None:
 
 class _FakeChannelServiceClientFactory:
     def __init__(self, state: _AuthFlowTestState):
-        self._user_token_client = _FakeUserTokenClient(state)
+        self._user_token_client = _create_user_token_client(state)
 
     async def create_connector_client(
         self,
@@ -347,7 +220,7 @@ async def create_user_token_client(
         context,
         claims_identity,
         use_anonymous: bool = False,
-    ) -> _FakeUserTokenClient:
+    ) -> MockUserTokenClient:
         return self._user_token_client