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Diffstat (limited to 'tests/unit/future/test__helpers.py')
-rw-r--r-- | tests/unit/future/test__helpers.py | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/unit/future/test__helpers.py b/tests/unit/future/test__helpers.py new file mode 100644 index 0000000..98afc59 --- /dev/null +++ b/tests/unit/future/test__helpers.py @@ -0,0 +1,37 @@ +# Copyright 2017, Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import mock + +from google.api_core.future import _helpers + + +@mock.patch("threading.Thread", autospec=True) +def test_start_deamon_thread(unused_thread): + deamon_thread = _helpers.start_daemon_thread(target=mock.sentinel.target) + assert deamon_thread.daemon is True + + +def test_safe_invoke_callback(): + callback = mock.Mock(spec=["__call__"], return_value=42) + result = _helpers.safe_invoke_callback(callback, "a", b="c") + assert result == 42 + callback.assert_called_once_with("a", b="c") + + +def test_safe_invoke_callback_exception(): + callback = mock.Mock(spec=["__call__"], side_effect=ValueError()) + result = _helpers.safe_invoke_callback(callback, "a", b="c") + assert result is None + callback.assert_called_once_with("a", b="c") |