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Diffstat (limited to 'nova/tests/unit/fake_utils.py')
-rw-r--r-- | nova/tests/unit/fake_utils.py | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/nova/tests/unit/fake_utils.py b/nova/tests/unit/fake_utils.py new file mode 100644 index 0000000000..7a97866d20 --- /dev/null +++ b/nova/tests/unit/fake_utils.py @@ -0,0 +1,36 @@ +# Copyright (c) 2013 Rackspace Hosting +# +# 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. + +"""This modules stubs out functions in nova.utils.""" + +from nova import utils + + +def stub_out_utils_spawn_n(stubs): + """Stubs out spawn_n with a blocking version. + + This aids testing async processes by blocking until they're done. + """ + def no_spawn(func, *args, **kwargs): + try: + return func(*args, **kwargs) + except Exception: + # NOTE(danms): This is supposed to simulate spawning + # of a thread, which would run separate from the parent, + # and die silently on error. If we don't catch and discard + # any exceptions here, we're not honoring the usual + # behavior. + pass + + stubs.Set(utils, 'spawn_n', no_spawn) |