273 lines
9.2 KiB
Python
273 lines
9.2 KiB
Python
# Copyright (C) 2013,2014,2015 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2013,2014,2015 YAMAMOTO Takashi <yamamoto at valinux co jp>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import gettext
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import os
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import unittest
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import six
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import sys
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import types
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import logging
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from nose import result
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from nose import core
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from nose import config
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class _AnsiColorizer(object):
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"""
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A colorizer is an object that loosely wraps around a stream, allowing
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callers to write text to the stream in a particular color.
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Colorizer classes must implement C{supported()} and C{write(text, color)}.
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"""
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_colors = dict(black=30, red=31, green=32, yellow=33,
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blue=34, magenta=35, cyan=36, white=37)
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def __init__(self, stream):
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self.stream = stream
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def supported(cls, stream=sys.stdout):
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"""
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A class method that returns True if the current platform supports
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coloring terminal output using this method. Returns False otherwise.
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"""
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if not stream.isatty():
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return False # auto color only on TTYs
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try:
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import curses
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except ImportError:
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return False
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else:
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try:
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try:
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return curses.tigetnum("colors") > 2
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except curses.error:
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curses.setupterm()
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return curses.tigetnum("colors") > 2
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except:
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# guess false in case of error
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return False
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supported = classmethod(supported)
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def write(self, text, color):
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"""
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Write the given text to the stream in the given color.
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@param text: Text to be written to the stream.
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@param color: A string label for a color. e.g. 'red', 'white'.
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"""
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color = self._colors[color]
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self.stream.write('\x1b[%s;1m%s\x1b[0m' % (color, text))
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class _Win32Colorizer(object):
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"""
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See _AnsiColorizer docstring.
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"""
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def __init__(self, stream):
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from win32console import GetStdHandle, STD_OUT_HANDLE
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from win32console import FOREGROUND_RED, FOREGROUND_BLUE
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from win32console import FOREGROUND_GREEN, FOREGROUND_INTENSITY
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red, green, blue, bold = (FOREGROUND_RED, FOREGROUND_GREEN,
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FOREGROUND_BLUE, FOREGROUND_INTENSITY)
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self.stream = stream
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self.screenBuffer = GetStdHandle(STD_OUT_HANDLE)
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self._colors = {
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'normal': red | green | blue,
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'red': red | bold,
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'green': green | bold,
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'blue': blue | bold,
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'yellow': red | green | bold,
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'magenta': red | blue | bold,
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'cyan': green | blue | bold,
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'white': red | green | blue | bold}
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def supported(cls, stream=sys.stdout):
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try:
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import win32console
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screenBuffer = win32console.GetStdHandle(
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win32console.STD_OUT_HANDLE)
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except ImportError:
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return False
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import pywintypes
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try:
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screenBuffer.SetConsoleTextAttribute(
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win32console.FOREGROUND_RED |
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win32console.FOREGROUND_GREEN |
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win32console.FOREGROUND_BLUE)
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except pywintypes.error:
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return False
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else:
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return True
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supported = classmethod(supported)
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def write(self, text, color):
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color = self._colors[color]
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self.screenBuffer.SetConsoleTextAttribute(color)
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self.stream.write(text)
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self.screenBuffer.SetConsoleTextAttribute(self._colors['normal'])
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class _NullColorizer(object):
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"""
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See _AnsiColorizer docstring.
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"""
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def __init__(self, stream):
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self.stream = stream
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def supported(cls, stream=sys.stdout):
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return True
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supported = classmethod(supported)
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def write(self, text, color):
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self.stream.write(text)
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class RyuTestResult(result.TextTestResult):
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def __init__(self, *args, **kw):
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result.TextTestResult.__init__(self, *args, **kw)
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self._last_case = None
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self.colorizer = None
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# NOTE(vish, tfukushima): reset stdout for the terminal check
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stdout = sys.__stdout__
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sys.stdout = sys.__stdout__
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for colorizer in [_Win32Colorizer, _AnsiColorizer, _NullColorizer]:
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if colorizer.supported():
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self.colorizer = colorizer(self.stream)
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break
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sys.stdout = stdout
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def getDescription(self, test):
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return str(test)
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# NOTE(vish, tfukushima): copied from unittest with edit to add color
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def addSuccess(self, test):
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unittest.TestResult.addSuccess(self, test)
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if self.showAll:
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self.colorizer.write("OK", 'green')
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self.stream.writeln()
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elif self.dots:
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self.stream.write('.')
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self.stream.flush()
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# NOTE(vish, tfukushima): copied from unittest with edit to add color
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def addFailure(self, test, err):
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unittest.TestResult.addFailure(self, test, err)
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if self.showAll:
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self.colorizer.write("FAIL", 'red')
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self.stream.writeln()
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elif self.dots:
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self.stream.write('F')
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self.stream.flush()
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# NOTE(vish, tfukushima): copied from unittest with edit to add color
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def addError(self, test, err):
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"""Overrides normal addError to add support for errorClasses.
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If the exception is a registered class, the error will be added
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to the list for that class, not errors.
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"""
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stream = getattr(self, 'stream', None)
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ec, ev, tb = err
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try:
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exc_info = self._exc_info_to_string(err, test)
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except TypeError:
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# This is for compatibility with Python 2.3.
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exc_info = self._exc_info_to_string(err)
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for cls, (storage, label, isfail) in self.errorClasses.items():
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if result.isclass(ec) and issubclass(ec, cls):
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if isfail:
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test.passwd = False
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storage.append((test, exc_info))
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# Might get patched into a streamless result
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if stream is not None:
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if self.showAll:
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message = [label]
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detail = result._exception_detail(err[1])
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if detail:
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message.append(detail)
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stream.writeln(": ".join(message))
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elif self.dots:
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stream.write(label[:1])
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return
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self.errors.append((test, exc_info))
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test.passed = False
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if stream is not None:
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if self.showAll:
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self.colorizer.write("ERROR", 'red')
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self.stream.writeln()
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elif self.dots:
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stream.write('E')
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def startTest(self, test):
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unittest.TestResult.startTest(self, test)
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current_case = test.test.__class__.__name__
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if self.showAll:
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if current_case != self._last_case:
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self.stream.writeln(current_case)
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self._last_case = current_case
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# NOTE(salvatore-orlando):
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# slightly changed in order to print test case class
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# together with unit test name
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self.stream.write(
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' %s' % str(test.test).ljust(60))
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self.stream.flush()
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class RyuTestRunner(core.TextTestRunner):
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def _makeResult(self):
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return RyuTestResult(self.stream,
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self.descriptions,
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self.verbosity,
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self.config)
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def run_tests(c=None):
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logger = logging.getLogger()
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hdlr = logging.StreamHandler()
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formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
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hdlr.setFormatter(formatter)
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logger.addHandler(hdlr)
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logger.setLevel(logging.DEBUG)
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# NOTE(bgh): I'm not entirely sure why but nose gets confused here when
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# calling run_tests from a plugin directory run_tests.py (instead of the
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# main run_tests.py). It will call run_tests with no arguments and the
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# testing of run_tests will fail (though the plugin tests will pass). For
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# now we just return True to let the run_tests test pass.
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if not c:
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return True
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runner = RyuTestRunner(stream=c.stream,
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verbosity=c.verbosity,
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config=c)
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return not core.run(config=c, testRunner=runner)
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def add_method(cls, method_name, method):
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"""Add the method to the class dynamically, keeping unittest/nose happy."""
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method.func_name = method_name
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method.__name__ = method_name
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if six.PY3:
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methodtype = types.MethodType(method, cls)
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else:
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methodtype = types.MethodType(method, None, cls)
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setattr(cls, method_name, methodtype)
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