Docserver: refactor Servlet, ObjectStore, and ServerInstance architecture to

chrome/common/extensions/docs/server2/mock_file_system_test.py

+#!/usr/bin/env python
+# Copyright 2013 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.
+
+from copy import deepcopy
+from file_system import FileNotFoundError, StatInfo
+from mock_file_system import MockFileSystem
+from test_file_system import TestFileSystem
+import unittest
+
+_TEST_DATA = {
+  '404.html': '404.html contents',
+  'apps': {
+    'a11y.html': 'a11y.html contents',
+    'about_apps.html': 'about_apps.html contents',
+    'fakedir': {
+      'file.html': 'file.html contents'
+    }
+  },
+  'extensions': {
+    'activeTab.html': 'activeTab.html contents',
+    'alarms.html': 'alarms.html contents'
+  }
+}
+
+def _Get(fn):
+  '''Returns a function which calls Future.Get on the result of |fn|.
+  '''
+  return lambda *args: fn(*args).Get()
+
+class MockFileSystemTest(unittest.TestCase):
+  def testCheckAndReset(self):
+    fs = MockFileSystem(TestFileSystem(deepcopy(_TEST_DATA)))
+
+    self.assertTrue(*fs.CheckAndReset())
+    self.assertFalse(*fs.CheckAndReset(read_count=1))
+    self.assertFalse(*fs.CheckAndReset(stat_count=1))
+
+    fs.ReadSingle('apps/')
+    self.assertTrue(*fs.CheckAndReset(read_count=1))
+    self.assertFalse(*fs.CheckAndReset(read_count=1))
+    self.assertTrue(*fs.CheckAndReset())
+
+    fs.ReadSingle('apps/')
+    self.assertFalse(*fs.CheckAndReset(read_count=2))
+
+    fs.ReadSingle('extensions/')
+    fs.ReadSingle('extensions/')
+    self.assertTrue(*fs.CheckAndReset(read_count=2))
+    self.assertFalse(*fs.CheckAndReset(read_count=2))
+    self.assertTrue(*fs.CheckAndReset())
+
+    fs.ReadSingle('404.html')
+    fs.Read(['notfound.html', 'apps/'])
+    self.assertTrue(*fs.CheckAndReset(read_count=2))
+
+    fs.Stat('404.html')
+    fs.Stat('404.html')
+    fs.Stat('apps/')
+    self.assertFalse(*fs.CheckAndReset(stat_count=42))
+    self.assertFalse(*fs.CheckAndReset(stat_count=42))
+    self.assertTrue(*fs.CheckAndReset())
+
+    fs.ReadSingle('404.html')
+    fs.Stat('404.html')
+    fs.Stat('apps/')
+    self.assertTrue(*fs.CheckAndReset(read_count=1, stat_count=2))
+    self.assertTrue(*fs.CheckAndReset())
+
+if __name__ == '__main__':
+  unittest.main()