remove stale test data on the device

build/android/pylib/device/device_utils_test.py

 #!/usr/bin/env python
 # Copyright 2014 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 device_utils.py (mostly DeviceUtils).
 """
 
 # pylint: disable=C0321
@@ skipping 511 matching lines @@
         (self.call.device.GetApplicationPath('this.is.a.test.package'), None),
         self.call.adb.Install('/fake/test/app.apk', reinstall=False)):
       self.device.Install('/fake/test/app.apk', retries=0)
 
   def testInstall_differentPriorInstall(self):
     with self.assertCalls(
         (mock.call.pylib.utils.apk_helper.GetPackageName('/fake/test/app.apk'),
          'this.is.a.test.package'),
         (self.call.device.GetApplicationPath('this.is.a.test.package'),
          '/fake/data/app/this.is.a.test.package.apk'),
-        (self.call.device._GetChangedFilesImpl(
+        (self.call.device._GetChangedAndStaleFiles(
             '/fake/test/app.apk', '/fake/data/app/this.is.a.test.package.apk'),
-         [('/fake/test/app.apk', '/fake/data/app/this.is.a.test.package.apk')]),
+         ([('/fake/test/app.apk', '/fake/data/app/this.is.a.test.package.apk')],
+          [])),
         self.call.adb.Uninstall('this.is.a.test.package'),
         self.call.adb.Install('/fake/test/app.apk', reinstall=False)):
       self.device.Install('/fake/test/app.apk', retries=0)
 
   def testInstall_differentPriorInstall_reinstall(self):
     with self.assertCalls(
         (mock.call.pylib.utils.apk_helper.GetPackageName('/fake/test/app.apk'),
          'this.is.a.test.package'),
         (self.call.device.GetApplicationPath('this.is.a.test.package'),
          '/fake/data/app/this.is.a.test.package.apk'),
-        (self.call.device._GetChangedFilesImpl(
+        (self.call.device._GetChangedAndStaleFiles(
             '/fake/test/app.apk', '/fake/data/app/this.is.a.test.package.apk'),
-         [('/fake/test/app.apk', '/fake/data/app/this.is.a.test.package.apk')]),
+         ([('/fake/test/app.apk', '/fake/data/app/this.is.a.test.package.apk')],
+          [])),
         self.call.adb.Install('/fake/test/app.apk', reinstall=True)):
       self.device.Install('/fake/test/app.apk', reinstall=True, retries=0)
 
   def testInstall_identicalPriorInstall(self):
     with self.assertCalls(
         (mock.call.pylib.utils.apk_helper.GetPackageName('/fake/test/app.apk'),
          'this.is.a.test.package'),
         (self.call.device.GetApplicationPath('this.is.a.test.package'),
          '/fake/data/app/this.is.a.test.package.apk'),
-        (self.call.device._GetChangedFilesImpl(
+        (self.call.device._GetChangedAndStaleFiles(
             '/fake/test/app.apk', '/fake/data/app/this.is.a.test.package.apk'),
-         [])):
+         ([], []))):
       self.device.Install('/fake/test/app.apk', retries=0)
 
   def testInstall_fails(self):
     with self.assertCalls(
         (mock.call.pylib.utils.apk_helper.GetPackageName('/fake/test/app.apk'),
          'this.is.a.test.package'),
         (self.call.device.GetApplicationPath('this.is.a.test.package'), None),
         (self.call.adb.Install('/fake/test/app.apk', reinstall=False),
          self.CommandError('Failure\r\n'))):
       with self.assertRaises(device_errors.CommandFailedError):
@@ skipping 1149 matching lines @@
       devices = device_utils.DeviceUtils.HealthyDevices()
     self.assertEquals(1, len(devices))
     self.assertTrue(isinstance(devices[0], device_utils.DeviceUtils))
     self.assertEquals('0123456789abcdef', devices[0].adb.GetDeviceSerial())
 
 
 if __name__ == '__main__':
   logging.getLogger().setLevel(logging.DEBUG)
   unittest.main(verbosity=2)