Android: support glob-style gtest filters with content browser tests

chrome/test/pylib/common/util.py

-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Generic utilities for all python scripts."""
-
-import atexit
-import httplib
-import os
-import signal
-import stat
-import subprocess
-import sys
-import tempfile
-import urlparse
-
-
-def GetPlatformName():
-  """Return a string to be used in paths for the platform."""
-  if IsWindows():
-    return 'win'
-  if IsMac():
-    return 'mac'
-  if IsLinux():
-    return 'linux'
-  raise NotImplementedError('Unknown platform "%s".' % sys.platform)
-
-
-def IsWindows():
-  return sys.platform == 'cygwin' or sys.platform.startswith('win')
-
-
-def IsLinux():
-  return sys.platform.startswith('linux')
-
-
-def IsMac():
-  return sys.platform.startswith('darwin')
-
-
-def _DeleteDir(path):
-  """Deletes a directory recursively, which must exist."""
-  # Don't use shutil.rmtree because it can't delete read-only files on Win.
-  for root, dirs, files in os.walk(path, topdown=False):
-    for name in files:
-      filename = os.path.join(root, name)
-      os.chmod(filename, stat.S_IWRITE)
-      os.remove(filename)
-    for name in dirs:
-      os.rmdir(os.path.join(root, name))
-  os.rmdir(path)
-
-
-def Delete(path):
-  """Deletes the given file or directory (recursively), which must exist."""
-  if os.path.isdir(path):
-    _DeleteDir(path)
-  else:
-    os.remove(path)
-
-
-def MaybeDelete(path):
-  """Deletes the given file or directory (recurisvely), if it exists."""
-  if os.path.exists(path):
-    Delete(path)
-
-
-def MakeTempDir(parent_dir=None):
-  """Creates a temporary directory and returns an absolute path to it.
-
-  The temporary directory is automatically deleted when the python interpreter
-  exits normally.
-
-  Args:
-    parent_dir: the directory to create the temp dir in. If None, the system
-                temp dir is used.
-
-  Returns:
-    The absolute path to the temporary directory.
-  """
-  path = tempfile.mkdtemp(dir=parent_dir)
-  atexit.register(MaybeDelete, path)
-  return path
-
-
-def Unzip(zip_path, output_dir):
-  """Unzips the given zip file using a system installed unzip tool.
-
-  Args:
-    zip_path: zip file to unzip.
-    output_dir: directory to unzip the contents of the zip file. The directory
-                must exist.
-
-  Raises:
-    RuntimeError if the unzip operation fails.
-  """
-  if IsWindows():
-    unzip_cmd = ['C:\\Program Files\\7-Zip\\7z.exe', 'x', '-y']
-  else:
-    unzip_cmd = ['unzip', '-o']
-  unzip_cmd += [zip_path]
-  if RunCommand(unzip_cmd, output_dir) != 0:
-    raise RuntimeError('Unable to unzip %s to %s' % (zip_path, output_dir))
-
-
-def Kill(pid):
-  """Terminate the given pid."""
-  if IsWindows():
-    subprocess.call(['taskkill.exe', '/T', '/F', '/PID', str(pid)])
-  else:
-    os.kill(pid, signal.SIGTERM)
-
-
-def RunCommand(cmd, cwd=None):
-  """Runs the given command and returns the exit code.
-
-  Args:
-    cmd: list of command arguments.
-    cwd: working directory to execute the command, or None if the current
-         working directory should be used.
-
-  Returns:
-    The exit code of the command.
-  """
-  process = subprocess.Popen(cmd, cwd=cwd)
-  process.wait()
-  return process.returncode
-
-
-def DoesUrlExist(url):
-  """Determines whether a resource exists at the given URL.
-
-  Args:
-    url: URL to be verified.
-
-  Returns:
-    True if url exists, otherwise False.
-  """
-  parsed = urlparse.urlparse(url)
-  try:
-    conn = httplib.HTTPConnection(parsed.netloc)
-    conn.request('HEAD', parsed.path)
-    response = conn.getresponse()
-  except (socket.gaierror, socket.error):
-    return False
-  finally:
-    conn.close()
-  # Follow both permanent (301) and temporary (302) redirects.
-  if response.status == 302 or response.status == 301:
-    return DoesUrlExist(response.getheader('location'))
-  return response.status == 200