keystone/run_tests.py
Adam Young 81cb2ab2f5 Move monkey patch to keystone-all startup.
bug 1020569

Change-Id: I26c467dc6d96476f2a44b875bddf2cf3aec41859
2012-07-05 15:48:59 -04:00

371 lines
13 KiB
Python

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# 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.
# Colorizer Code is borrowed from Twisted:
# Copyright (c) 2001-2010 Twisted Matrix Laboratories.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""Unittest runner for Nova.
To run all tests
python run_tests.py
To run a single test:
python run_tests.py test_compute:ComputeTestCase.test_run_terminate
To run a single test module:
python run_tests.py test_compute
or
python run_tests.py api.test_wsgi
"""
import eventlet
import heapq
import os
import unittest
import sys
import time
from nose import config
from nose import core
from nose import result
from keystone.common.sql import util
class _AnsiColorizer(object):
"""
A colorizer is an object that loosely wraps around a stream, allowing
callers to write text to the stream in a particular color.
Colorizer classes must implement C{supported()} and C{write(text, color)}.
"""
_colors = dict(black=30, red=31, green=32, yellow=33,
blue=34, magenta=35, cyan=36, white=37)
def __init__(self, stream):
self.stream = stream
def supported(cls, stream=sys.stdout):
"""
A class method that returns True if the current platform supports
coloring terminal output using this method. Returns False otherwise.
"""
if not stream.isatty():
return False # auto color only on TTYs
try:
import curses
except ImportError:
return False
else:
try:
try:
return curses.tigetnum("colors") > 2
except curses.error:
curses.setupterm()
return curses.tigetnum("colors") > 2
except:
raise
# guess false in case of error
return False
supported = classmethod(supported)
def write(self, text, color):
"""
Write the given text to the stream in the given color.
@param text: Text to be written to the stream.
@param color: A string label for a color. e.g. 'red', 'white'.
"""
color = self._colors[color]
self.stream.write('\x1b[%s;1m%s\x1b[0m' % (color, text))
class _Win32Colorizer(object):
"""
See _AnsiColorizer docstring.
"""
def __init__(self, stream):
from win32console import (GetStdHandle, STD_OUT_HANDLE,
FOREGROUND_RED, FOREGROUND_GREEN,
FOREGROUND_BLUE, FOREGROUND_INTENSITY)
red, green, blue, bold = (FOREGROUND_RED, FOREGROUND_GREEN,
FOREGROUND_BLUE, FOREGROUND_INTENSITY)
self.stream = stream
self.screenBuffer = GetStdHandle(STD_OUT_HANDLE)
self._colors = {
'normal': red | green | blue,
'red': red | bold,
'green': green | bold,
'blue': blue | bold,
'yellow': red | green | bold,
'magenta': red | blue | bold,
'cyan': green | blue | bold,
'white': red | green | blue | bold
}
def supported(cls, stream=sys.stdout):
try:
import win32console
screenBuffer = win32console.GetStdHandle(
win32console.STD_OUT_HANDLE)
except ImportError:
return False
import pywintypes
try:
screenBuffer.SetConsoleTextAttribute(
win32console.FOREGROUND_RED |
win32console.FOREGROUND_GREEN |
win32console.FOREGROUND_BLUE)
except pywintypes.error:
return False
else:
return True
supported = classmethod(supported)
def write(self, text, color):
color = self._colors[color]
self.screenBuffer.SetConsoleTextAttribute(color)
self.stream.write(text)
self.screenBuffer.SetConsoleTextAttribute(self._colors['normal'])
class _NullColorizer(object):
"""
See _AnsiColorizer docstring.
"""
def __init__(self, stream):
self.stream = stream
def supported(cls, stream=sys.stdout):
return True
supported = classmethod(supported)
def write(self, text, color):
self.stream.write(text)
def get_elapsed_time_color(elapsed_time):
if elapsed_time > 1.0:
return 'red'
elif elapsed_time > 0.25:
return 'yellow'
else:
return 'green'
class NovaTestResult(result.TextTestResult):
def __init__(self, *args, **kw):
self.show_elapsed = kw.pop('show_elapsed')
result.TextTestResult.__init__(self, *args, **kw)
self.num_slow_tests = 5
self.slow_tests = [] # this is a fixed-sized heap
self._last_case = None
self.colorizer = None
# NOTE(vish): reset stdout for the terminal check
stdout = sys.stdout
sys.stdout = sys.__stdout__
for colorizer in [_Win32Colorizer, _AnsiColorizer, _NullColorizer]:
if colorizer.supported():
self.colorizer = colorizer(self.stream)
break
sys.stdout = stdout
# NOTE(lorinh): Initialize start_time in case a sqlalchemy-migrate
# error results in it failing to be initialized later. Otherwise,
# _handleElapsedTime will fail, causing the wrong error message to
# be outputted.
self.start_time = time.time()
def getDescription(self, test):
return str(test)
def _handleElapsedTime(self, test):
self.elapsed_time = time.time() - self.start_time
item = (self.elapsed_time, test)
# Record only the n-slowest tests using heap
if len(self.slow_tests) >= self.num_slow_tests:
heapq.heappushpop(self.slow_tests, item)
else:
heapq.heappush(self.slow_tests, item)
def _writeElapsedTime(self, test):
color = get_elapsed_time_color(self.elapsed_time)
self.colorizer.write(" %.2f" % self.elapsed_time, color)
def _writeResult(self, test, long_result, color, short_result, success):
if self.showAll:
self.colorizer.write(long_result, color)
if self.show_elapsed and success:
self._writeElapsedTime(test)
self.stream.writeln()
elif self.dots:
self.stream.write(short_result)
self.stream.flush()
# NOTE(vish): copied from unittest with edit to add color
def addSuccess(self, test):
unittest.TestResult.addSuccess(self, test)
self._handleElapsedTime(test)
self._writeResult(test, 'OK', 'green', '.', True)
# NOTE(vish): copied from unittest with edit to add color
def addFailure(self, test, err):
unittest.TestResult.addFailure(self, test, err)
self._handleElapsedTime(test)
self._writeResult(test, 'FAIL', 'red', 'F', False)
# NOTE(vish): copied from nose with edit to add color
def addError(self, test, err):
"""Overrides normal addError to add support for
errorClasses. If the exception is a registered class, the
error will be added to the list for that class, not errors.
"""
self._handleElapsedTime(test)
stream = getattr(self, 'stream', None)
ec, ev, tb = err
try:
exc_info = self._exc_info_to_string(err, test)
except TypeError:
# 2.3 compat
exc_info = self._exc_info_to_string(err)
for cls, (storage, label, isfail) in self.errorClasses.items():
if result.isclass(ec) and issubclass(ec, cls):
if isfail:
test.passed = False
storage.append((test, exc_info))
# Might get patched into a streamless result
if stream is not None:
if self.showAll:
message = [label]
detail = result._exception_detail(err[1])
if detail:
message.append(detail)
stream.writeln(": ".join(message))
elif self.dots:
stream.write(label[:1])
return
self.errors.append((test, exc_info))
test.passed = False
if stream is not None:
self._writeResult(test, 'ERROR', 'red', 'E', False)
def startTest(self, test):
unittest.TestResult.startTest(self, test)
self.start_time = time.time()
current_case = test.test.__class__.__name__
if self.showAll:
if current_case != self._last_case:
self.stream.writeln(current_case)
self._last_case = current_case
self.stream.write(
' %s' % str(test.test._testMethodName).ljust(60))
self.stream.flush()
class NovaTestRunner(core.TextTestRunner):
def __init__(self, *args, **kwargs):
self.show_elapsed = kwargs.pop('show_elapsed')
core.TextTestRunner.__init__(self, *args, **kwargs)
def _makeResult(self):
return NovaTestResult(self.stream,
self.descriptions,
self.verbosity,
self.config,
show_elapsed=self.show_elapsed)
def _writeSlowTests(self, result_):
# Pare out 'fast' tests
slow_tests = [item for item in result_.slow_tests
if get_elapsed_time_color(item[0]) != 'green']
if slow_tests:
slow_total_time = sum(item[0] for item in slow_tests)
self.stream.writeln("Slowest %i tests took %.2f secs:"
% (len(slow_tests), slow_total_time))
for elapsed_time, test in sorted(slow_tests, reverse=True):
time_str = "%.2f" % elapsed_time
self.stream.writeln(" %s %s" % (time_str.ljust(10), test))
def run(self, test):
result_ = core.TextTestRunner.run(self, test)
if self.show_elapsed:
self._writeSlowTests(result_)
return result_
if __name__ == '__main__':
# If any argument looks like a test name but doesn't have "nova.tests" in
# front of it, automatically add that so we don't have to type as much
show_elapsed = True
do_monkeypatch = True
argv = []
for x in sys.argv:
if x.startswith('test_'):
pass
#argv.append('tests.%s' % x)
argv.append(x)
elif x.startswith('--hide-elapsed'):
show_elapsed = False
elif x.startswith('--no-monkeypatch'):
do_monkeypatch = False
else:
argv.append(x)
if do_monkeypatch:
eventlet.patcher.monkey_patch(all=False, socket=True, time=True,
thread=True)
testdir = os.path.abspath(os.path.join("tests"))
c = config.Config(stream=sys.stdout,
env=os.environ,
verbosity=3,
workingDir=testdir,
plugins=core.DefaultPluginManager())
runner = NovaTestRunner(stream=c.stream,
verbosity=c.verbosity,
config=c,
show_elapsed=show_elapsed)
if os.path.exists('tests/test.db.pristine'):
os.unlink('tests/test.db.pristine')
sys.exit(not core.run(config=c, testRunner=runner, argv=argv))