Isolate redis-entraid dependency for tests

tests/conftest.py

@@ -4,8 +4,7 @@
 import random
 import time
 from datetime import datetime, timezone
-from enum import Enum
-from typing import Callable, TypeVar, Union
+from typing import Callable, TypeVar
 from unittest import mock
 from unittest.mock import Mock
 from urllib.parse import urlparse
@@ -16,7 +15,6 @@
 from redis import Sentinel
 from redis.auth.idp import IdentityProviderInterface
 from redis.auth.token import JWToken
-from redis.auth.token_manager import RetryPolicy, TokenManagerConfig
 from redis.backoff import NoBackoff
 from redis.cache import (
     CacheConfig,
@@ -29,22 +27,6 @@
 from redis.credentials import CredentialProvider
 from redis.exceptions import RedisClusterException
 from redis.retry import Retry
-from redis_entraid.cred_provider import (
-    DEFAULT_DELAY_IN_MS,
-    DEFAULT_EXPIRATION_REFRESH_RATIO,
-    DEFAULT_LOWER_REFRESH_BOUND_MILLIS,
-    DEFAULT_MAX_ATTEMPTS,
-    DEFAULT_TOKEN_REQUEST_EXECUTION_TIMEOUT_IN_MS,
-    EntraIdCredentialsProvider,
-)
-from redis_entraid.identity_provider import (
-    ManagedIdentityIdType,
-    ManagedIdentityProviderConfig,
-    ManagedIdentityType,
-    ServicePrincipalIdentityProviderConfig,
-    _create_provider_from_managed_identity,
-    _create_provider_from_service_principal,
-)
 from tests.ssl_utils import get_tls_certificates
 
 REDIS_INFO = {}
@@ -60,11 +42,6 @@
 _TestDecorator = Callable[[_DecoratedTest], _DecoratedTest]
 
 
-class AuthType(Enum):
-    MANAGED_IDENTITY = "managed_identity"
-    SERVICE_PRINCIPAL = "service_principal"
-
-
 # Taken from python3.9
 class BooleanOptionalAction(argparse.Action):
     def __init__(
@@ -623,124 +600,18 @@ def mock_identity_provider() -> IdentityProviderInterface:
     return mock_provider
 
 
-def identity_provider(request) -> IdentityProviderInterface:
-    if hasattr(request, "param"):
-        kwargs = request.param.get("idp_kwargs", {})
-    else:
-        kwargs = {}
-
-    if request.param.get("mock_idp", None) is not None:
-        return mock_identity_provider()
-
-    auth_type = kwargs.pop("auth_type", AuthType.SERVICE_PRINCIPAL)
-    config = get_identity_provider_config(request=request)
-
-    if auth_type == "MANAGED_IDENTITY":
-        return _create_provider_from_managed_identity(config)
-
-    return _create_provider_from_service_principal(config)
-
-
-def get_identity_provider_config(
-    request,
-) -> Union[ManagedIdentityProviderConfig, ServicePrincipalIdentityProviderConfig]:
-    if hasattr(request, "param"):
-        kwargs = request.param.get("idp_kwargs", {})
-    else:
-        kwargs = {}
-
-    auth_type = kwargs.pop("auth_type", AuthType.SERVICE_PRINCIPAL)
-
-    if auth_type == AuthType.MANAGED_IDENTITY:
-        return _get_managed_identity_provider_config(request)
-
-    return _get_service_principal_provider_config(request)
-
-
-def _get_managed_identity_provider_config(request) -> ManagedIdentityProviderConfig:
-    resource = os.getenv("AZURE_RESOURCE")
-    id_value = os.getenv("AZURE_USER_ASSIGNED_MANAGED_ID", None)
-
-    if hasattr(request, "param"):
-        kwargs = request.param.get("idp_kwargs", {})
-    else:
-        kwargs = {}
-
-    identity_type = kwargs.pop("identity_type", ManagedIdentityType.SYSTEM_ASSIGNED)
-    id_type = kwargs.pop("id_type", ManagedIdentityIdType.OBJECT_ID)
-
-    return ManagedIdentityProviderConfig(
-        identity_type=identity_type,
-        resource=resource,
-        id_type=id_type,
-        id_value=id_value,
-        kwargs=kwargs,
-    )
-
-
-def _get_service_principal_provider_config(
-    request,
-) -> ServicePrincipalIdentityProviderConfig:
-    client_id = os.getenv("AZURE_CLIENT_ID")
-    client_credential = os.getenv("AZURE_CLIENT_SECRET")
-    tenant_id = os.getenv("AZURE_TENANT_ID")
-    scopes = os.getenv("AZURE_REDIS_SCOPES", None)
-
-    if hasattr(request, "param"):
-        kwargs = request.param.get("idp_kwargs", {})
-        token_kwargs = request.param.get("token_kwargs", {})
-        timeout = request.param.get("timeout", None)
-    else:
-        kwargs = {}
-        token_kwargs = {}
-        timeout = None
-
-    if isinstance(scopes, str):
-        scopes = scopes.split(",")
-
-    return ServicePrincipalIdentityProviderConfig(
-        client_id=client_id,
-        client_credential=client_credential,
-        scopes=scopes,
-        timeout=timeout,
-        token_kwargs=token_kwargs,
-        tenant_id=tenant_id,
-        app_kwargs=kwargs,
-    )
-
-
 def get_credential_provider(request) -> CredentialProvider:
     cred_provider_class = request.param.get("cred_provider_class")
     cred_provider_kwargs = request.param.get("cred_provider_kwargs", {})
 
-    if cred_provider_class != EntraIdCredentialsProvider:
+    # Since we can't import EntraIdCredentialsProvider in this module,
+    # we'll just check the class name.
+    if cred_provider_class.__name__ != "EntraIdCredentialsProvider":
         return cred_provider_class(**cred_provider_kwargs)
 
-    idp = identity_provider(request)
-    expiration_refresh_ratio = cred_provider_kwargs.get(
-        "expiration_refresh_ratio", DEFAULT_EXPIRATION_REFRESH_RATIO
-    )
-    lower_refresh_bound_millis = cred_provider_kwargs.get(
-        "lower_refresh_bound_millis", DEFAULT_LOWER_REFRESH_BOUND_MILLIS
-    )
-    max_attempts = cred_provider_kwargs.get("max_attempts", DEFAULT_MAX_ATTEMPTS)
-    delay_in_ms = cred_provider_kwargs.get("delay_in_ms", DEFAULT_DELAY_IN_MS)
-
-    token_mgr_config = TokenManagerConfig(
-        expiration_refresh_ratio=expiration_refresh_ratio,
-        lower_refresh_bound_millis=lower_refresh_bound_millis,
-        token_request_execution_timeout_in_ms=DEFAULT_TOKEN_REQUEST_EXECUTION_TIMEOUT_IN_MS,  # noqa
-        retry_policy=RetryPolicy(
-            max_attempts=max_attempts,
-            delay_in_ms=delay_in_ms,
-        ),
-    )
+    from tests.entraid_utils import get_entra_id_credentials_provider
 
-    return EntraIdCredentialsProvider(
-        identity_provider=idp,
-        token_manager_config=token_mgr_config,
-        initial_delay_in_ms=delay_in_ms,
-    )
+    return get_entra_id_credentials_provider(request, cred_provider_kwargs)
 
 
 @pytest.fixture()

tests/entraid_utils.py

@@ -0,0 +1,140 @@
+import os
+from enum import Enum
+from typing import Union
+
+from redis.auth.idp import IdentityProviderInterface
+from redis.auth.token_manager import RetryPolicy, TokenManagerConfig
+from redis_entraid.cred_provider import (
+    DEFAULT_DELAY_IN_MS,
+    DEFAULT_EXPIRATION_REFRESH_RATIO,
+    DEFAULT_LOWER_REFRESH_BOUND_MILLIS,
+    DEFAULT_MAX_ATTEMPTS,
+    DEFAULT_TOKEN_REQUEST_EXECUTION_TIMEOUT_IN_MS,
+    EntraIdCredentialsProvider,
+)
+from redis_entraid.identity_provider import (
+    ManagedIdentityIdType,
+    ManagedIdentityProviderConfig,
+    ManagedIdentityType,
+    ServicePrincipalIdentityProviderConfig,
+    _create_provider_from_managed_identity,
+    _create_provider_from_service_principal,
+)
+from tests.conftest import mock_identity_provider
+
+
+class AuthType(Enum):
+    MANAGED_IDENTITY = "managed_identity"
+    SERVICE_PRINCIPAL = "service_principal"
+
+
+def identity_provider(request) -> IdentityProviderInterface:
+    if hasattr(request, "param"):
+        kwargs = request.param.get("idp_kwargs", {})
+    else:
+        kwargs = {}
+
+    if request.param.get("mock_idp", None) is not None:
+        return mock_identity_provider()
+
+    auth_type = kwargs.pop("auth_type", AuthType.SERVICE_PRINCIPAL)
+    config = get_identity_provider_config(request=request)
+
+    if auth_type == "MANAGED_IDENTITY":
+        return _create_provider_from_managed_identity(config)
+
+    return _create_provider_from_service_principal(config)
+
+
+def get_identity_provider_config(
+    request,
+) -> Union[ManagedIdentityProviderConfig, ServicePrincipalIdentityProviderConfig]:
+    if hasattr(request, "param"):
+        kwargs = request.param.get("idp_kwargs", {})
+    else:
+        kwargs = {}
+
+    auth_type = kwargs.pop("auth_type", AuthType.SERVICE_PRINCIPAL)
+
+    if auth_type == AuthType.MANAGED_IDENTITY:
+        return _get_managed_identity_provider_config(request)
+
+    return _get_service_principal_provider_config(request)
+
+
+def _get_managed_identity_provider_config(request) -> ManagedIdentityProviderConfig:
+    resource = os.getenv("AZURE_RESOURCE")
+    id_value = os.getenv("AZURE_USER_ASSIGNED_MANAGED_ID", None)
+
+    if hasattr(request, "param"):
+        kwargs = request.param.get("idp_kwargs", {})
+    else:
+        kwargs = {}
+
+    identity_type = kwargs.pop("identity_type", ManagedIdentityType.SYSTEM_ASSIGNED)
+    id_type = kwargs.pop("id_type", ManagedIdentityIdType.OBJECT_ID)
+
+    return ManagedIdentityProviderConfig(
+        identity_type=identity_type,
+        resource=resource,
+        id_type=id_type,
+        id_value=id_value,
+        kwargs=kwargs,
+    )
+
+
+def _get_service_principal_provider_config(
+    request,
+) -> ServicePrincipalIdentityProviderConfig:
+    client_id = os.getenv("AZURE_CLIENT_ID")
+    client_credential = os.getenv("AZURE_CLIENT_SECRET")
+    tenant_id = os.getenv("AZURE_TENANT_ID")
+    scopes = os.getenv("AZURE_REDIS_SCOPES", None)
+
+    if hasattr(request, "param"):
+        kwargs = request.param.get("idp_kwargs", {})
+        token_kwargs = request.param.get("token_kwargs", {})
+        timeout = request.param.get("timeout", None)
+    else:
+        kwargs = {}
+        token_kwargs = {}
+        timeout = None
+
+    if isinstance(scopes, str):
+        scopes = scopes.split(",")
+
+    return ServicePrincipalIdentityProviderConfig(
+        client_id=client_id,
+        client_credential=client_credential,
+        scopes=scopes,
+        timeout=timeout,
+        token_kwargs=token_kwargs,
+        tenant_id=tenant_id,
+        app_kwargs=kwargs,
+    )
+
+
+def get_entra_id_credentials_provider(request, cred_provider_kwargs):
+    idp = identity_provider(request)
+    expiration_refresh_ratio = cred_provider_kwargs.get(
+        "expiration_refresh_ratio", DEFAULT_EXPIRATION_REFRESH_RATIO
+    )
+    lower_refresh_bound_millis = cred_provider_kwargs.get(
+        "lower_refresh_bound_millis", DEFAULT_LOWER_REFRESH_BOUND_MILLIS
+    )
+    max_attempts = cred_provider_kwargs.get("max_attempts", DEFAULT_MAX_ATTEMPTS)
+    delay_in_ms = cred_provider_kwargs.get("delay_in_ms", DEFAULT_DELAY_IN_MS)
+    token_mgr_config = TokenManagerConfig(
+        expiration_refresh_ratio=expiration_refresh_ratio,
+        lower_refresh_bound_millis=lower_refresh_bound_millis,
+        token_request_execution_timeout_in_ms=DEFAULT_TOKEN_REQUEST_EXECUTION_TIMEOUT_IN_MS,  # noqa
+        retry_policy=RetryPolicy(
+            max_attempts=max_attempts,
+            delay_in_ms=delay_in_ms,
+        ),
+    )
+    return EntraIdCredentialsProvider(
+        identity_provider=idp,
+        token_manager_config=token_mgr_config,
+        initial_delay_in_ms=delay_in_ms,
+    )