blob: 222fe8849257df39f83c92c8c920bd1389fbdae4 [file] [log] [blame]
#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# 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.
#
"""Tests for google.apphosting.tools.devappserver2.win32_file_watcher."""
import ctypes
import os
import unittest
import google
import mox
from google.appengine.tools.devappserver2 import win32_file_watcher
class WinError(Exception):
pass
class Win32FileWatcherTest(unittest.TestCase):
def setUp(self):
self.mox = mox.Mox()
ctypes.windll = self.mox.CreateMockAnything()
ctypes.windll.kernel32 = self.mox.CreateMockAnything()
ctypes.windll.kernel32.FindFirstChangeNotificationA = (
self.mox.CreateMockAnything())
ctypes.windll.kernel32.FindNextChangeNotification = (
self.mox.CreateMockAnything())
ctypes.windll.kernel32.WaitForSingleObject = self.mox.CreateMockAnything()
ctypes.windll.kernel32.FindCloseChangeNotification = (
self.mox.CreateMockAnything())
ctypes.WinError = WinError
def tearDown(self):
self.mox.UnsetStubs()
del ctypes.windll
del ctypes.WinError
def test_start_successful(self):
watcher = win32_file_watcher.Win32FileWatcher('/tmp')
ctypes.windll.kernel32.FindFirstChangeNotificationA(
os.path.abspath('/tmp'), True,
win32_file_watcher._INTERESTING_NOTIFICATIONS).AndReturn(5)
ctypes.windll.kernel32.FindNextChangeNotification(5).AndReturn(True)
self.mox.ReplayAll()
watcher.start()
self.mox.VerifyAll()
def test_start_find_first_change_notification_failed(self):
watcher = win32_file_watcher.Win32FileWatcher('/tmp')
ctypes.windll.kernel32.FindFirstChangeNotificationA(
os.path.abspath('/tmp'), True,
win32_file_watcher._INTERESTING_NOTIFICATIONS).AndReturn(
win32_file_watcher.INVALID_HANDLE_VALUE)
self.mox.ReplayAll()
self.assertRaises(WinError, watcher.start)
self.mox.VerifyAll()
def test_start_find_next_change_notification_failed(self):
watcher = win32_file_watcher.Win32FileWatcher('/tmp')
ctypes.windll.kernel32.FindFirstChangeNotificationA(
os.path.abspath('/tmp'), True,
win32_file_watcher._INTERESTING_NOTIFICATIONS).AndReturn(5)
ctypes.windll.kernel32.FindNextChangeNotification(5).AndReturn(False)
self.mox.ReplayAll()
self.assertRaises(WinError,
watcher.start)
self.mox.VerifyAll()
def test_changes_with_changes(self):
watcher = win32_file_watcher.Win32FileWatcher('/tmp')
watcher._find_change_handle = 5
ctypes.windll.kernel32.WaitForSingleObject(5, 0).AndReturn(
win32_file_watcher.WAIT_OBJECT_0)
ctypes.windll.kernel32.FindNextChangeNotification(5).AndReturn(True)
ctypes.windll.kernel32.WaitForSingleObject(5, 0).AndReturn(
win32_file_watcher.WAIT_TIMEOUT)
self.mox.ReplayAll()
self.assertTrue(watcher.changes())
self.mox.VerifyAll()
def test_changes_no_changes(self):
watcher = win32_file_watcher.Win32FileWatcher('/tmp')
watcher._find_change_handle = 5
ctypes.windll.kernel32.WaitForSingleObject(5, 0).AndReturn(
win32_file_watcher.WAIT_TIMEOUT)
self.mox.ReplayAll()
self.assertFalse(watcher.changes())
self.mox.VerifyAll()
def test_changes_wait_failed(self):
watcher = win32_file_watcher.Win32FileWatcher('/tmp')
watcher._find_change_handle = 5
ctypes.windll.kernel32.WaitForSingleObject(5, 0).AndReturn(
win32_file_watcher.WAIT_FAILED)
self.mox.ReplayAll()
self.assertRaises(WinError, watcher.changes)
self.mox.VerifyAll()
def test_changes_find_next_change_notification_failed(self):
watcher = win32_file_watcher.Win32FileWatcher('/tmp')
watcher._find_change_handle = 5
ctypes.windll.kernel32.WaitForSingleObject(5, 0).AndReturn(
win32_file_watcher.WAIT_OBJECT_0)
ctypes.windll.kernel32.FindNextChangeNotification(5).AndReturn(False)
self.mox.ReplayAll()
self.assertRaises(WinError, watcher.changes)
self.mox.VerifyAll()
if __name__ == '__main__':
unittest.main()