Removes files from //build that we don't need

build/android/pylib/device/shared_prefs_test.py

-#!/usr/bin/env python
-# Copyright 2015 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.
-
-"""
-Unit tests for the contents of shared_prefs.py (mostly SharedPrefs).
-"""
-
-import logging
-import os
-import sys
-import unittest
-
-from pylib import constants
-from pylib.device import device_utils
-from pylib.device import shared_prefs
-
-sys.path.append(os.path.join(
-    constants.DIR_SOURCE_ROOT, 'third_party', 'pymock'))
-import mock
-
-
-def MockDeviceWithFiles(files=None):
-  if files is None:
-    files = {}
-
-  def file_exists(path):
-    return path in files
-
-  def write_file(path, contents, **_kwargs):
-    files[path] = contents
-
-  def read_file(path, **_kwargs):
-    return files[path]
-
-  device = mock.MagicMock(spec=device_utils.DeviceUtils)
-  device.FileExists = mock.Mock(side_effect=file_exists)
-  device.WriteFile = mock.Mock(side_effect=write_file)
-  device.ReadFile = mock.Mock(side_effect=read_file)
-  return device
-
-
-class SharedPrefsTest(unittest.TestCase):
-
-  def setUp(self):
-    self.device = MockDeviceWithFiles({
-      '/data/data/com.some.package/shared_prefs/prefs.xml':
-          "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n"
-          '<map>\n'
-          '  <int name="databaseVersion" value="107" />\n'
-          '  <boolean name="featureEnabled" value="false" />\n'
-          '  <string name="someHashValue">249b3e5af13d4db2</string>\n'
-          '</map>'})
-    self.expected_data = {'databaseVersion': 107,
-                          'featureEnabled': False,
-                          'someHashValue': '249b3e5af13d4db2'}
-
-  def testPropertyLifetime(self):
-    prefs = shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'prefs.xml')
-    self.assertEquals(len(prefs), 0) # collection is empty before loading
-    prefs.SetInt('myValue', 444)
-    self.assertEquals(len(prefs), 1)
-    self.assertEquals(prefs.GetInt('myValue'), 444)
-    self.assertTrue(prefs.HasProperty('myValue'))
-    prefs.Remove('myValue')
-    self.assertEquals(len(prefs), 0)
-    self.assertFalse(prefs.HasProperty('myValue'))
-    with self.assertRaises(KeyError):
-      prefs.GetInt('myValue')
-
-  def testPropertyType(self):
-    prefs = shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'prefs.xml')
-    prefs.SetInt('myValue', 444)
-    self.assertEquals(prefs.PropertyType('myValue'), 'int')
-    with self.assertRaises(TypeError):
-      prefs.GetString('myValue')
-    with self.assertRaises(TypeError):
-      prefs.SetString('myValue', 'hello')
-
-  def testLoad(self):
-    prefs = shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'prefs.xml')
-    self.assertEquals(len(prefs), 0) # collection is empty before loading
-    prefs.Load()
-    self.assertEquals(len(prefs), len(self.expected_data))
-    self.assertEquals(prefs.AsDict(), self.expected_data)
-    self.assertFalse(prefs.changed)
-
-  def testClear(self):
-    prefs = shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'prefs.xml')
-    prefs.Load()
-    self.assertEquals(prefs.AsDict(), self.expected_data)
-    self.assertFalse(prefs.changed)
-    prefs.Clear()
-    self.assertEquals(len(prefs), 0) # collection is empty now
-    self.assertTrue(prefs.changed)
-
-  def testCommit(self):
-    prefs = shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'other_prefs.xml')
-    self.assertFalse(self.device.FileExists(prefs.path)) # file does not exist
-    prefs.Load()
-    self.assertEquals(len(prefs), 0) # file did not exist, collection is empty
-    prefs.SetInt('magicNumber', 42)
-    prefs.SetFloat('myMetric', 3.14)
-    prefs.SetLong('bigNumner', 6000000000)
-    prefs.SetStringSet('apps', ['gmail', 'chrome', 'music'])
-    self.assertFalse(self.device.FileExists(prefs.path)) # still does not exist
-    self.assertTrue(prefs.changed)
-    prefs.Commit()
-    self.assertTrue(self.device.FileExists(prefs.path)) # should exist now
-    self.device.KillAll.assert_called_once_with(prefs.package, as_root=True,
-                                                quiet=True)
-    self.assertFalse(prefs.changed)
-
-    prefs = shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'other_prefs.xml')
-    self.assertEquals(len(prefs), 0) # collection is empty before loading
-    prefs.Load()
-    self.assertEquals(prefs.AsDict(), {
-        'magicNumber': 42,
-        'myMetric': 3.14,
-        'bigNumner': 6000000000,
-        'apps': ['gmail', 'chrome', 'music']}) # data survived roundtrip
-
-  def testAsContextManager_onlyReads(self):
-    with shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'prefs.xml') as prefs:
-      self.assertEquals(prefs.AsDict(), self.expected_data) # loaded and ready
-    self.assertEquals(self.device.WriteFile.call_args_list, []) # did not write
-
-  def testAsContextManager_readAndWrite(self):
-    with shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'prefs.xml') as prefs:
-      prefs.SetBoolean('featureEnabled', True)
-      prefs.Remove('someHashValue')
-      prefs.SetString('newString', 'hello')
-
-    self.assertTrue(self.device.WriteFile.called) # did write
-    with shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'prefs.xml') as prefs:
-      # changes persisted
-      self.assertTrue(prefs.GetBoolean('featureEnabled'))
-      self.assertFalse(prefs.HasProperty('someHashValue'))
-      self.assertEquals(prefs.GetString('newString'), 'hello')
-      self.assertTrue(prefs.HasProperty('databaseVersion')) # still there
-
-  def testAsContextManager_commitAborted(self):
-    with self.assertRaises(TypeError):
-      with shared_prefs.SharedPrefs(
-          self.device, 'com.some.package', 'prefs.xml') as prefs:
-        prefs.SetBoolean('featureEnabled', True)
-        prefs.Remove('someHashValue')
-        prefs.SetString('newString', 'hello')
-        prefs.SetInt('newString', 123) # oops!
-
-    self.assertEquals(self.device.WriteFile.call_args_list, []) # did not write
-    with shared_prefs.SharedPrefs(
-        self.device, 'com.some.package', 'prefs.xml') as prefs:
-      # contents were not modified
-      self.assertEquals(prefs.AsDict(), self.expected_data)
-
-if __name__ == '__main__':
-  logging.getLogger().setLevel(logging.DEBUG)
-  unittest.main(verbosity=2)