Use underscores to separate words in filenames in webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/common/system/outputcapture.py

-# Copyright (c) 2009, Google Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-# Class for unittest support.  Used for capturing stderr/stdout.
-
-import logging
-import sys
-
-from StringIO import StringIO
-
-
-class OutputCapture(object):
-
-    def __init__(self):
-        self.saved_outputs = dict()
-        self._log_level = logging.INFO
-
-    def set_log_level(self, log_level):
-        self._log_level = log_level
-        if hasattr(self, '_logs_handler'):
-            self._logs_handler.setLevel(self._log_level)
-
-    def _capture_output_with_name(self, output_name):
-        stream = getattr(sys, output_name)
-        captured_output = StringIO()
-        self.saved_outputs[output_name] = stream
-        setattr(sys, output_name, captured_output)
-        return captured_output
-
-    def _restore_output_with_name(self, output_name):
-        captured_output = getattr(sys, output_name).getvalue()
-        setattr(sys, output_name, self.saved_outputs[output_name])
-        del self.saved_outputs[output_name]
-        return captured_output
-
-    def capture_output(self):
-        self._logs = StringIO()
-        self._logs_handler = logging.StreamHandler(self._logs)
-        self._logs_handler.setLevel(self._log_level)
-        self._logger = logging.getLogger()
-        self._orig_log_level = self._logger.level
-        self._logger.addHandler(self._logs_handler)
-        self._logger.setLevel(min(self._log_level, self._orig_log_level))
-        return (self._capture_output_with_name("stdout"), self._capture_output_with_name("stderr"))
-
-    def restore_output(self):
-        self._logger.removeHandler(self._logs_handler)
-        self._logger.setLevel(self._orig_log_level)
-        self._logs_handler.flush()
-        self._logs.flush()
-        logs_string = self._logs.getvalue()
-        delattr(self, '_logs_handler')
-        delattr(self, '_logs')
-        return (self._restore_output_with_name("stdout"), self._restore_output_with_name("stderr"), logs_string)
-
-    def assert_outputs(self, testcase, function, args=[], kwargs={}, expected_stdout="",
-                       expected_stderr="", expected_exception=None, expected_logs=None):
-        self.capture_output()
-        try:
-            if expected_exception:
-                return_value = testcase.assertRaises(expected_exception, function, *args, **kwargs)
-            else:
-                return_value = function(*args, **kwargs)
-        finally:
-            (stdout_string, stderr_string, logs_string) = self.restore_output()
-
-        if hasattr(testcase, 'assertMultiLineEqual'):
-            testassert = testcase.assertMultiLineEqual
-        else:
-            testassert = testcase.assertEqual
-
-        testassert(stdout_string, expected_stdout)
-        testassert(stderr_string, expected_stderr)
-        if expected_logs is not None:
-            testassert(logs_string, expected_logs)
-        # This is a little strange, but I don't know where else to return this information.
-        return return_value