313 lines
11 KiB
Python
313 lines
11 KiB
Python
# Copyright 2020 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import mock
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import pytest
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from google.auth import environment_vars
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from google.auth import exceptions
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import google.auth.compute_engine._metadata
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from google.oauth2 import _id_token_async as id_token
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from google.oauth2 import _service_account_async
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from google.oauth2 import id_token as sync_id_token
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from tests.oauth2 import test_id_token
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def make_request(status, data=None):
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response = mock.AsyncMock(spec=["transport.Response"])
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response.status = status
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if data is not None:
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response.data = mock.AsyncMock(spec=["__call__", "read"])
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response.data.read = mock.AsyncMock(spec=["__call__"], return_value=data)
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request = mock.AsyncMock(spec=["transport.Request"])
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request.return_value = response
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return request
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@pytest.mark.asyncio
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async def test__fetch_certs_success():
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certs = {"1": "cert"}
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request = make_request(200, certs)
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returned_certs = await id_token._fetch_certs(request, mock.sentinel.cert_url)
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request.assert_called_once_with(mock.sentinel.cert_url, method="GET")
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assert returned_certs == certs
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@pytest.mark.asyncio
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async def test__fetch_certs_failure():
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request = make_request(404)
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with pytest.raises(exceptions.TransportError):
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await id_token._fetch_certs(request, mock.sentinel.cert_url)
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request.assert_called_once_with(mock.sentinel.cert_url, method="GET")
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@mock.patch("google.auth.jwt.decode", autospec=True)
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@mock.patch("google.oauth2._id_token_async._fetch_certs", autospec=True)
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@pytest.mark.asyncio
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async def test_verify_token(_fetch_certs, decode):
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result = await id_token.verify_token(mock.sentinel.token, mock.sentinel.request)
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assert result == decode.return_value
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_fetch_certs.assert_called_once_with(
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mock.sentinel.request, sync_id_token._GOOGLE_OAUTH2_CERTS_URL
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)
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decode.assert_called_once_with(
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mock.sentinel.token,
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certs=_fetch_certs.return_value,
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audience=None,
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clock_skew_in_seconds=0,
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)
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@mock.patch("google.auth.jwt.decode", autospec=True)
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@mock.patch("google.oauth2._id_token_async._fetch_certs", autospec=True)
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@pytest.mark.asyncio
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async def test_verify_token_clock_skew(_fetch_certs, decode):
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result = await id_token.verify_token(
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mock.sentinel.token, mock.sentinel.request, clock_skew_in_seconds=10
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)
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assert result == decode.return_value
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_fetch_certs.assert_called_once_with(
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mock.sentinel.request, sync_id_token._GOOGLE_OAUTH2_CERTS_URL
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)
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decode.assert_called_once_with(
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mock.sentinel.token,
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certs=_fetch_certs.return_value,
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audience=None,
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clock_skew_in_seconds=10,
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)
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@mock.patch("google.auth.jwt.decode", autospec=True)
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@mock.patch("google.oauth2._id_token_async._fetch_certs", autospec=True)
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@pytest.mark.asyncio
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async def test_verify_token_args(_fetch_certs, decode):
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result = await id_token.verify_token(
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mock.sentinel.token,
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mock.sentinel.request,
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audience=mock.sentinel.audience,
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certs_url=mock.sentinel.certs_url,
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)
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assert result == decode.return_value
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_fetch_certs.assert_called_once_with(mock.sentinel.request, mock.sentinel.certs_url)
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decode.assert_called_once_with(
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mock.sentinel.token,
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certs=_fetch_certs.return_value,
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audience=mock.sentinel.audience,
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clock_skew_in_seconds=0,
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)
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@mock.patch("google.oauth2._id_token_async.verify_token", autospec=True)
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@pytest.mark.asyncio
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async def test_verify_oauth2_token(verify_token):
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verify_token.return_value = {"iss": "accounts.google.com"}
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result = await id_token.verify_oauth2_token(
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mock.sentinel.token, mock.sentinel.request, audience=mock.sentinel.audience
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)
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assert result == verify_token.return_value
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verify_token.assert_called_once_with(
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mock.sentinel.token,
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mock.sentinel.request,
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audience=mock.sentinel.audience,
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certs_url=sync_id_token._GOOGLE_OAUTH2_CERTS_URL,
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clock_skew_in_seconds=0,
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)
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@mock.patch("google.oauth2._id_token_async.verify_token", autospec=True)
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@pytest.mark.asyncio
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async def test_verify_oauth2_token_clock_skew(verify_token):
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verify_token.return_value = {"iss": "accounts.google.com"}
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result = await id_token.verify_oauth2_token(
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mock.sentinel.token,
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mock.sentinel.request,
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audience=mock.sentinel.audience,
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clock_skew_in_seconds=10,
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)
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assert result == verify_token.return_value
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verify_token.assert_called_once_with(
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mock.sentinel.token,
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mock.sentinel.request,
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audience=mock.sentinel.audience,
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certs_url=sync_id_token._GOOGLE_OAUTH2_CERTS_URL,
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clock_skew_in_seconds=10,
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)
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@mock.patch("google.oauth2._id_token_async.verify_token", autospec=True)
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@pytest.mark.asyncio
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async def test_verify_oauth2_token_invalid_iss(verify_token):
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verify_token.return_value = {"iss": "invalid_issuer"}
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with pytest.raises(exceptions.GoogleAuthError):
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await id_token.verify_oauth2_token(
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mock.sentinel.token, mock.sentinel.request, audience=mock.sentinel.audience
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)
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@mock.patch("google.oauth2._id_token_async.verify_token", autospec=True)
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@pytest.mark.asyncio
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async def test_verify_firebase_token(verify_token):
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result = await id_token.verify_firebase_token(
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mock.sentinel.token, mock.sentinel.request, audience=mock.sentinel.audience
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)
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assert result == verify_token.return_value
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verify_token.assert_called_once_with(
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mock.sentinel.token,
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mock.sentinel.request,
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audience=mock.sentinel.audience,
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certs_url=sync_id_token._GOOGLE_APIS_CERTS_URL,
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clock_skew_in_seconds=0,
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)
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@mock.patch("google.oauth2._id_token_async.verify_token", autospec=True)
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@pytest.mark.asyncio
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async def test_verify_firebase_token_clock_skew(verify_token):
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result = await id_token.verify_firebase_token(
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mock.sentinel.token,
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mock.sentinel.request,
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audience=mock.sentinel.audience,
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clock_skew_in_seconds=10,
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)
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assert result == verify_token.return_value
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verify_token.assert_called_once_with(
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mock.sentinel.token,
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mock.sentinel.request,
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audience=mock.sentinel.audience,
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certs_url=sync_id_token._GOOGLE_APIS_CERTS_URL,
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clock_skew_in_seconds=10,
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)
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@pytest.mark.asyncio
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async def test_fetch_id_token_from_metadata_server(monkeypatch):
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monkeypatch.delenv(environment_vars.CREDENTIALS, raising=False)
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def mock_init(self, request, audience, use_metadata_identity_endpoint):
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assert use_metadata_identity_endpoint
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self.token = "id_token"
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with mock.patch("google.auth.compute_engine._metadata.ping", return_value=True):
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with mock.patch.multiple(
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google.auth.compute_engine.IDTokenCredentials,
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__init__=mock_init,
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refresh=mock.Mock(),
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):
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request = mock.AsyncMock()
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token = await id_token.fetch_id_token(
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request, "https://pubsub.googleapis.com"
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)
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assert token == "id_token"
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@pytest.mark.asyncio
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async def test_fetch_id_token_from_explicit_cred_json_file(monkeypatch):
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monkeypatch.setenv(environment_vars.CREDENTIALS, test_id_token.SERVICE_ACCOUNT_FILE)
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async def mock_refresh(self, request):
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self.token = "id_token"
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with mock.patch.object(
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_service_account_async.IDTokenCredentials, "refresh", mock_refresh
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):
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request = mock.AsyncMock()
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token = await id_token.fetch_id_token(request, "https://pubsub.googleapis.com")
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assert token == "id_token"
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@pytest.mark.asyncio
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async def test_fetch_id_token_no_cred_exists(monkeypatch):
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monkeypatch.delenv(environment_vars.CREDENTIALS, raising=False)
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with mock.patch(
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"google.auth.compute_engine._metadata.ping",
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side_effect=exceptions.TransportError(),
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):
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with pytest.raises(exceptions.DefaultCredentialsError) as excinfo:
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request = mock.AsyncMock()
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await id_token.fetch_id_token(request, "https://pubsub.googleapis.com")
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assert excinfo.match(
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r"Neither metadata server or valid service account credentials are found."
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)
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with mock.patch("google.auth.compute_engine._metadata.ping", return_value=False):
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with pytest.raises(exceptions.DefaultCredentialsError) as excinfo:
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request = mock.AsyncMock()
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await id_token.fetch_id_token(request, "https://pubsub.googleapis.com")
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assert excinfo.match(
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r"Neither metadata server or valid service account credentials are found."
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)
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@pytest.mark.asyncio
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async def test_fetch_id_token_invalid_cred_file(monkeypatch):
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not_json_file = os.path.join(
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os.path.dirname(__file__), "../../tests/data/public_cert.pem"
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)
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monkeypatch.setenv(environment_vars.CREDENTIALS, not_json_file)
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with pytest.raises(exceptions.DefaultCredentialsError) as excinfo:
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request = mock.AsyncMock()
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await id_token.fetch_id_token(request, "https://pubsub.googleapis.com")
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assert excinfo.match(
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r"GOOGLE_APPLICATION_CREDENTIALS is not valid service account credentials."
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)
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@pytest.mark.asyncio
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async def test_fetch_id_token_invalid_cred_type(monkeypatch):
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user_credentials_file = os.path.join(
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os.path.dirname(__file__), "../../tests/data/authorized_user.json"
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)
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monkeypatch.setenv(environment_vars.CREDENTIALS, user_credentials_file)
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with mock.patch("google.auth.compute_engine._metadata.ping", return_value=False):
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with pytest.raises(exceptions.DefaultCredentialsError) as excinfo:
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request = mock.AsyncMock()
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await id_token.fetch_id_token(request, "https://pubsub.googleapis.com")
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assert excinfo.match(
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r"Neither metadata server or valid service account credentials are found."
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)
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@pytest.mark.asyncio
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async def test_fetch_id_token_invalid_cred_path(monkeypatch):
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not_json_file = os.path.join(
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os.path.dirname(__file__), "../../tests/data/not_exists.json"
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)
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monkeypatch.setenv(environment_vars.CREDENTIALS, not_json_file)
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with pytest.raises(exceptions.DefaultCredentialsError) as excinfo:
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request = mock.AsyncMock()
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await id_token.fetch_id_token(request, "https://pubsub.googleapis.com")
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assert excinfo.match(
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r"GOOGLE_APPLICATION_CREDENTIALS path is either not found or invalid."
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)
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