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# ------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# ------------------------------------
from unittest.mock import patch
from azure.identity.aio._credentials.application import AzureApplicationCredential
from azure.identity._constants import EnvironmentVariables
def test_managed_identity_client_id():
"""the credential should accept a user-assigned managed identity's client ID by kwarg or environment variable"""
expected_args = {"client_id": "the client"}
ENVIRON = AzureApplicationCredential.__module__ + ".os.environ"
MANAGED_IDENTITY_CREDENTIAL = AzureApplicationCredential.__module__ + ".ManagedIdentityCredential"
with patch(MANAGED_IDENTITY_CREDENTIAL) as mock_credential:
AzureApplicationCredential(managed_identity_client_id=expected_args["client_id"])
mock_credential.assert_called_once_with(**expected_args)
# client id can also be specified in $AZURE_CLIENT_ID
with patch.dict(ENVIRON, {EnvironmentVariables.AZURE_CLIENT_ID: expected_args["client_id"]}, clear=True):
with patch(MANAGED_IDENTITY_CREDENTIAL) as mock_credential:
AzureApplicationCredential()
mock_credential.assert_called_once_with(**expected_args)
# keyword argument should override environment variable
with patch.dict(ENVIRON, {EnvironmentVariables.AZURE_CLIENT_ID: "not-" + expected_args["client_id"]}, clear=True):
with patch(MANAGED_IDENTITY_CREDENTIAL) as mock_credential:
AzureApplicationCredential(managed_identity_client_id=expected_args["client_id"])
mock_credential.assert_called_once_with(**expected_args)
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