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# ------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# ------------------------------------
import itertools
from unittest import mock
from azure.identity import CredentialUnavailableError
from azure.identity.aio import EnvironmentCredential
from azure.identity._constants import EnvironmentVariables
import pytest
from helpers import mock_response, Request, GET_TOKEN_METHODS
from helpers_async import async_validating_transport, AsyncMockTransport
from test_environment_credential import ALL_VARIABLES
ENVIRON = EnvironmentCredential.__module__ + ".os.environ"
@pytest.mark.asyncio
async def test_close():
transport = AsyncMockTransport()
with mock.patch.dict(ENVIRON, {var: "..." for var in EnvironmentVariables.CLIENT_SECRET_VARS}, clear=True):
credential = EnvironmentCredential(transport=transport)
assert transport.__aexit__.call_count == 0
await credential.close()
assert transport.__aexit__.call_count == 1
@pytest.mark.asyncio
async def test_context_manager():
transport = AsyncMockTransport()
with mock.patch.dict(ENVIRON, {var: "..." for var in EnvironmentVariables.CLIENT_SECRET_VARS}, clear=True):
credential = EnvironmentCredential(transport=transport)
async with credential:
assert transport.__aenter__.call_count == 1
assert transport.__aexit__.call_count == 0
assert transport.__aenter__.call_count == 1
assert transport.__aexit__.call_count == 1
@pytest.mark.asyncio
async def test_close_incomplete_configuration():
with mock.patch.dict(ENVIRON, {}, clear=True):
await EnvironmentCredential().close()
@pytest.mark.asyncio
async def test_context_manager_incomplete_configuration():
with mock.patch.dict(ENVIRON, {}, clear=True):
async with EnvironmentCredential():
pass
@pytest.mark.asyncio
@pytest.mark.parametrize("get_token_method", GET_TOKEN_METHODS)
async def test_incomplete_configuration(get_token_method):
"""get_token should raise CredentialUnavailableError for incomplete configuration."""
with mock.patch.dict(ENVIRON, {}, clear=True):
with pytest.raises(CredentialUnavailableError) as ex:
await getattr(EnvironmentCredential(), get_token_method)("scope")
for a, b in itertools.combinations(ALL_VARIABLES, 2): # all credentials require at least 3 variables set
with mock.patch.dict(ENVIRON, {a: "a", b: "b"}, clear=True):
with pytest.raises(CredentialUnavailableError) as ex:
await getattr(EnvironmentCredential(), get_token_method)("scope")
@pytest.mark.parametrize(
"credential_name,envvars",
(
("ClientSecretCredential", EnvironmentVariables.CLIENT_SECRET_VARS),
("CertificateCredential", EnvironmentVariables.CERT_VARS),
),
)
def test_passes_authority_argument(credential_name, envvars):
"""the credential pass the 'authority' keyword argument to its inner credential"""
authority = "authority"
with mock.patch.dict(ENVIRON, {variable: "foo" for variable in envvars}, clear=True):
with mock.patch(EnvironmentCredential.__module__ + "." + credential_name) as mock_credential:
EnvironmentCredential(authority=authority)
assert mock_credential.call_count == 1
_, kwargs = mock_credential.call_args
assert kwargs["authority"] == authority
def test_client_secret_configuration():
"""the credential should pass expected values and any keyword arguments to its inner credential"""
client_id = "client-id"
client_secret = "..."
tenant_id = "tenant_id"
bar = "bar"
environment = {
EnvironmentVariables.AZURE_CLIENT_ID: client_id,
EnvironmentVariables.AZURE_CLIENT_SECRET: client_secret,
EnvironmentVariables.AZURE_TENANT_ID: tenant_id,
}
with mock.patch(EnvironmentCredential.__module__ + ".ClientSecretCredential") as mock_credential:
with mock.patch.dict(ENVIRON, environment, clear=True):
EnvironmentCredential(foo=bar)
assert mock_credential.call_count == 1
_, kwargs = mock_credential.call_args
assert kwargs["client_id"] == client_id
assert kwargs["client_secret"] == client_secret
assert kwargs["tenant_id"] == tenant_id
assert kwargs["foo"] == bar
def test_certificate_configuration():
"""the credential should pass expected values and any keyword arguments to its inner credential"""
client_id = "client-id"
certificate_path = "..."
tenant_id = "tenant_id"
bar = "bar"
environment = {
EnvironmentVariables.AZURE_CLIENT_ID: client_id,
EnvironmentVariables.AZURE_CLIENT_CERTIFICATE_PATH: certificate_path,
EnvironmentVariables.AZURE_TENANT_ID: tenant_id,
}
with mock.patch(EnvironmentCredential.__module__ + ".CertificateCredential") as mock_credential:
with mock.patch.dict(ENVIRON, environment, clear=True):
EnvironmentCredential(foo=bar)
assert mock_credential.call_count == 1
_, kwargs = mock_credential.call_args
assert kwargs["client_id"] == client_id
assert kwargs["certificate_path"] == certificate_path
assert kwargs["tenant_id"] == tenant_id
assert kwargs["foo"] == bar
def test_certificate_with_password_configuration():
"""the credential should pass expected values and any keyword arguments to its inner credential"""
client_id = "client-id"
certificate_path = "..."
certificate_password = "password"
tenant_id = "tenant_id"
bar = "bar"
environment = {
EnvironmentVariables.AZURE_CLIENT_ID: client_id,
EnvironmentVariables.AZURE_CLIENT_CERTIFICATE_PATH: certificate_path,
EnvironmentVariables.AZURE_CLIENT_CERTIFICATE_PASSWORD: certificate_password,
EnvironmentVariables.AZURE_TENANT_ID: tenant_id,
}
with mock.patch(EnvironmentCredential.__module__ + ".CertificateCredential") as mock_credential:
with mock.patch.dict("os.environ", environment, clear=True):
EnvironmentCredential(foo=bar)
assert mock_credential.call_count == 1
_, kwargs = mock_credential.call_args
assert kwargs["client_id"] == client_id
assert kwargs["certificate_path"] == certificate_path
assert kwargs["password"] == certificate_password
assert kwargs["tenant_id"] == tenant_id
assert kwargs["foo"] == bar
@pytest.mark.asyncio
@pytest.mark.parametrize("get_token_method", GET_TOKEN_METHODS)
async def test_client_secret_environment_credential(get_token_method):
client_id = "fake-client-id"
secret = "fake-client-secret"
tenant_id = "fake-tenant-id"
access_token = "***"
transport = async_validating_transport(
requests=[Request(url_substring=tenant_id, required_data={"client_id": client_id, "client_secret": secret})],
responses=[
mock_response(
json_payload={
"token_type": "Bearer",
"expires_in": 42,
"ext_expires_in": 42,
"access_token": access_token,
}
)
],
)
environment = {
EnvironmentVariables.AZURE_CLIENT_ID: client_id,
EnvironmentVariables.AZURE_CLIENT_SECRET: secret,
EnvironmentVariables.AZURE_TENANT_ID: tenant_id,
}
with mock.patch.dict(ENVIRON, environment, clear=True):
token = await getattr(EnvironmentCredential(transport=transport), get_token_method)("scope")
assert token.token == access_token
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