9e227c5b6c
This new function calls a function passed as parameter and ignore the NotFound exception if it raised. This removes some code duplication. Also a new `test_utils` module is introduced to tempest.lib and the `find_test_caller` function is moved into that new module. Backward compatibility and deprecation path are ensured and documented. Note for the future: having a module called "misc" is not optimal because the name is not super descriptive. (it's a detail though, but worth mentioning imo). Change-Id: I5a4523c20c19957bfccf2aa95157baf106b3d364
86 lines
3.0 KiB
Python
86 lines
3.0 KiB
Python
# Copyright 2016 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import inspect
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import re
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from oslo_log import log as logging
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from tempest.lib import exceptions
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LOG = logging.getLogger(__name__)
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def find_test_caller():
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"""Find the caller class and test name.
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Because we know that the interesting things that call us are
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test_* methods, and various kinds of setUp / tearDown, we
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can look through the call stack to find appropriate methods,
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and the class we were in when those were called.
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"""
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caller_name = None
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names = []
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frame = inspect.currentframe()
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is_cleanup = False
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# Start climbing the ladder until we hit a good method
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while True:
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try:
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frame = frame.f_back
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name = frame.f_code.co_name
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names.append(name)
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if re.search("^(test_|setUp|tearDown)", name):
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cname = ""
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if 'self' in frame.f_locals:
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cname = frame.f_locals['self'].__class__.__name__
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if 'cls' in frame.f_locals:
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cname = frame.f_locals['cls'].__name__
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caller_name = cname + ":" + name
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break
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elif re.search("^_run_cleanup", name):
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is_cleanup = True
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elif name == 'main':
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caller_name = 'main'
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break
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else:
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cname = ""
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if 'self' in frame.f_locals:
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cname = frame.f_locals['self'].__class__.__name__
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if 'cls' in frame.f_locals:
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cname = frame.f_locals['cls'].__name__
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# the fact that we are running cleanups is indicated pretty
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# deep in the stack, so if we see that we want to just
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# start looking for a real class name, and declare victory
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# once we do.
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if is_cleanup and cname:
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if not re.search("^RunTest", cname):
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caller_name = cname + ":_run_cleanups"
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break
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except Exception:
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break
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# prevents frame leaks
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del frame
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if caller_name is None:
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LOG.debug("Sane call name not found in %s" % names)
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return caller_name
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def call_and_ignore_notfound_exc(func, *args, **kwargs):
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"""Call the given function and pass if a `NotFound` exception is raised."""
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try:
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return func(*args, **kwargs)
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except exceptions.NotFound:
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pass
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