84dee6b781
This patch migrates rest_client module to tempest-lib from tempest. The latest Change-Ids of each file are the following when this migration: * common/http.py : I43703e2289212389c7841f44691ae7849ed1f505 * common/rest_client.py : Ie9105b5d01e7883213c1d3398cc5fe56782920d9 * common/utils/misc.py : I9a591eaa1cf4dabba58f06a64814611a05a51365 * exceptions.py : Ic8fc216377942619f11a2462b79d0597071ac294 * tests/base.py : I8f14cd2ca6afc38d3fe8ee758272071111022896 * tests/fake_auth_provider.py: Id12341de52204e2c428e10b4b758b700b0fbab09 * tests/fake_http.py : I8f14cd2ca6afc38d3fe8ee758272071111022896 * tests/test_rest_client.py : Ie9105b5d01e7883213c1d3398cc5fe56782920d9 NOTE: Some docstrings are changed to avoid H404 and H405. Change-Id: I879a02681c99376ae57458a0f7a04c8032dfebb2
88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
# Copyright 2012 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 tempest_lib.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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def singleton(cls):
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"""Simple wrapper for classes that should only have a single instance."""
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instances = {}
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def getinstance():
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if cls not in instances:
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instances[cls] = cls()
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return instances[cls]
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return getinstance
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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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