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_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)
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_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 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 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 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')