src/chrome/common/extensions/docs/server2/subversion_file_system_test.py

   1 #!/usr/bin/env python
   2 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 import json
   7 import os
   8 import unittest
   9
  10 from extensions_paths import SERVER2
  11 from fake_url_fetcher import FakeUrlFetcher
  12 from file_system import FileSystemError, StatInfo
  13 from subversion_file_system import SubversionFileSystem
  14 from test_util import ReadFile, Server2Path
  15
  16
  17 _SHARED_FILE_SYSTEM_TEST_DATA = Server2Path('test_data', 'file_system')
  18 _SUBVERSION_FILE_SYSTEM_TEST_DATA = Server2Path(
  19     'test_data', 'subversion_file_system')
  20
  21
  22 def _CreateSubversionFileSystem(path):
  23   fetcher = FakeUrlFetcher(path)
  24   return SubversionFileSystem(fetcher, fetcher, path), fetcher
  25
  26
  27 class SubversionFileSystemTest(unittest.TestCase):
  28   def testReadFiles(self):
  29     expected = {
  30       'test1.txt': 'test1\n',
  31       'test2.txt': 'test2\n',
  32       'test3.txt': 'test3\n',
  33     }
  34     file_system, fetcher = _CreateSubversionFileSystem(
  35         _SHARED_FILE_SYSTEM_TEST_DATA)
  36     read_future = file_system.Read(['test1.txt', 'test2.txt', 'test3.txt'])
  37     self.assertTrue(*fetcher.CheckAndReset(async_count=3))
  38     self.assertEqual(expected, read_future.Get())
  39     self.assertTrue(*fetcher.CheckAndReset(async_resolve_count=3))
  40
  41   def testListDir(self):
  42     expected = ['dir/'] + ['file%d.html' % i for i in range(7)]
  43     file_system, fetcher = _CreateSubversionFileSystem(
  44         _SHARED_FILE_SYSTEM_TEST_DATA)
  45     list_future = file_system.ReadSingle('list/')
  46     self.assertTrue(*fetcher.CheckAndReset(async_count=1))
  47     self.assertEqual(expected, sorted(list_future.Get()))
  48     self.assertTrue(*fetcher.CheckAndReset(async_resolve_count=1))
  49
  50   def testListSubDir(self):
  51     expected = ['empty.txt'] + ['file%d.html' % i for i in range(3)]
  52     file_system, fetcher = _CreateSubversionFileSystem(
  53         _SHARED_FILE_SYSTEM_TEST_DATA)
  54     list_future = file_system.ReadSingle('list/dir/')
  55     self.assertTrue(*fetcher.CheckAndReset(async_count=1))
  56     self.assertEqual(expected, sorted(list_future.Get()))
  57     self.assertTrue(*fetcher.CheckAndReset(async_resolve_count=1))
  58
  59   def testDirStat(self):
  60     file_system, fetcher = _CreateSubversionFileSystem(
  61         _SHARED_FILE_SYSTEM_TEST_DATA)
  62     stat_info = file_system.Stat('stat/')
  63     self.assertTrue(*fetcher.CheckAndReset(sync_count=1))
  64     expected = StatInfo(
  65       '151113',
  66       child_versions=json.loads(ReadFile(
  67           SERVER2, 'test_data', 'file_system', 'stat_result.json')))
  68     self.assertEqual(expected, stat_info)
  69
  70   def testFileStat(self):
  71     file_system, fetcher = _CreateSubversionFileSystem(
  72         _SHARED_FILE_SYSTEM_TEST_DATA)
  73     stat_info = file_system.Stat('stat/extension_api.h')
  74     self.assertTrue(*fetcher.CheckAndReset(sync_count=1))
  75     self.assertEqual(StatInfo('146163'), stat_info)
  76
  77   def testRevisions(self):
  78     # This is a super hacky test. Record the path that was fetched then exit the
  79     # test. Compare.
  80     class ValueErrorFetcher(object):
  81       def __init__(self):
  82         self.last_fetched = None
  83
  84       def FetchAsync(self, path):
  85         class ThrowsValueError(object):
  86           def Get(self): raise ValueError()
  87         self.last_fetched = path
  88         return ThrowsValueError()
  89
  90       def Fetch(self, path, **kwargs):
  91         self.last_fetched = path
  92         raise ValueError()
  93
  94     file_fetcher = ValueErrorFetcher()
  95     stat_fetcher = ValueErrorFetcher()
  96     svn_path = 'svn:'
  97
  98     svn_file_system = SubversionFileSystem(file_fetcher,
  99                                            stat_fetcher,
 100                                            svn_path,
 101                                            revision=42)
 102
 103     self.assertRaises(FileSystemError,
 104                       svn_file_system.ReadSingle('dir/file').Get)
 105     self.assertEqual('dir/file?p=42', file_fetcher.last_fetched)
 106     # Stat() will always stat directories.
 107     self.assertRaises(FileSystemError, svn_file_system.Stat, 'dir/file')
 108     self.assertEqual('dir?pathrev=42', stat_fetcher.last_fetched)
 109
 110     self.assertRaises(FileSystemError,
 111                       svn_file_system.ReadSingle('dir/').Get)
 112     self.assertEqual('dir/?p=42', file_fetcher.last_fetched)
 113     self.assertRaises(FileSystemError, svn_file_system.Stat, 'dir/')
 114     self.assertEqual('dir?pathrev=42', stat_fetcher.last_fetched)
 115
 116   def testDirectoryVersionOnDeletion(self):
 117     '''Tests the case when the most recent operation on a directory is the
 118     deletion of a file. Here it is not enough to take the maximum version of all
 119     files in the directory, as we used to, for obvious reasons.
 120     '''
 121     file_system, _ = _CreateSubversionFileSystem(
 122         _SUBVERSION_FILE_SYSTEM_TEST_DATA)
 123     dir_stat = file_system.Stat('docs_public_extensions_214898/')
 124     self.assertEqual('214692', dir_stat.version)
 125
 126   def testEmptyDirectory(self):
 127     file_system, _ = _CreateSubversionFileSystem(
 128         _SUBVERSION_FILE_SYSTEM_TEST_DATA)
 129     dir_stat = file_system.Stat('api_icons_214898/')
 130     self.assertEqual('193838', dir_stat.version)
 131     self.assertEqual({}, dir_stat.child_versions)
 132
 133 if __name__ == '__main__':
 134   unittest.main()