Revert of [Android] Remove android_commands and android_testrunner.

build/android/pylib/device/decorators_test.py

 # 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 decorators.py.
 """
 
 # pylint: disable=W0613
 
 import os
 import sys
 import time
 import traceback
 import unittest
 
 from pylib import constants
 from pylib.device import decorators
 from pylib.device import device_errors
 from pylib.utils import reraiser_thread
 
+# TODO(jbudorick) Remove once the DeviceUtils implementations are no longer
+#                 backed by AndroidCommands / android_testrunner.
+sys.path.append(os.path.join(constants.DIR_SOURCE_ROOT, 'third_party',
+                             'android_testrunner'))
+import errors as old_errors
+
 _DEFAULT_TIMEOUT = 30
 _DEFAULT_RETRIES = 3
 
 class DecoratorsTest(unittest.TestCase):
   _decorated_function_called_count = 0
 
   def testFunctionDecoratorDoesTimeouts(self):
     """Tests that the base decorator handles the timeout logic."""
     DecoratorsTest._decorated_function_called_count = 0
     @decorators.WithTimeoutAndRetries
@@ skipping 33 matching lines @@
     with self.assertRaises(KeyError):
       requiresExplicitTimeoutAndRetries(retries=0)
     expected_timeout = 10
     expected_retries = 1
     (actual_timeout, actual_retries) = (
         requiresExplicitTimeoutAndRetries(timeout=expected_timeout,
                                           retries=expected_retries))
     self.assertEquals(expected_timeout, actual_timeout)
     self.assertEquals(expected_retries, actual_retries)
 
+  def testFunctionDecoratorTranslatesOldExceptions(self):
+    """Tests that the explicit decorator translates old exceptions."""
+    @decorators.WithTimeoutAndRetries
+    def alwaysRaisesProvidedException(exception, timeout=None, retries=None):
+      raise exception
+
+    exception_desc = 'Old response timeout error'
+    with self.assertRaises(device_errors.CommandTimeoutError) as e:
+      alwaysRaisesProvidedException(
+          old_errors.WaitForResponseTimedOutError(exception_desc),
+          timeout=10, retries=1)
+    self.assertEquals(exception_desc, str(e.exception))
+
+    exception_desc = 'Old device error'
+    with self.assertRaises(device_errors.DeviceUnreachableError) as e:
+      alwaysRaisesProvidedException(
+          old_errors.DeviceUnresponsiveError(exception_desc),
+          timeout=10, retries=1)
+    self.assertEquals(exception_desc, str(e.exception))
+
   def testFunctionDecoratorTranslatesReraiserExceptions(self):
     """Tests that the explicit decorator translates reraiser exceptions."""
     @decorators.WithTimeoutAndRetries
     def alwaysRaisesProvidedException(exception, timeout=None, retries=None):
       raise exception
 
     exception_desc = 'Reraiser thread timeout error'
     with self.assertRaises(device_errors.CommandTimeoutError) as e:
       alwaysRaisesProvidedException(
           reraiser_thread.TimeoutError(exception_desc),
@@ skipping 48 matching lines @@
     self.assertEquals(30, alwaysReturnsTimeouts())
     self.assertEquals(120, alwaysReturnsTimeouts(timeout=120))
 
     @decorators.WithTimeoutAndRetriesDefaults(30, 10)
     def alwaysReturnsRetries(timeout=None, retries=None):
       return retries
 
     self.assertEquals(10, alwaysReturnsRetries())
     self.assertEquals(1, alwaysReturnsRetries(retries=1))
 
+  def testDefaultsFunctionDecoratorTranslatesOldExceptions(self):
+    """Tests that the explicit decorator translates old exceptions."""
+    @decorators.WithTimeoutAndRetriesDefaults(30, 10)
+    def alwaysRaisesProvidedException(exception, timeout=None, retries=None):
+      raise exception
+
+    exception_desc = 'Old response timeout error'
+    with self.assertRaises(device_errors.CommandTimeoutError) as e:
+      alwaysRaisesProvidedException(
+          old_errors.WaitForResponseTimedOutError(exception_desc))
+    self.assertEquals(exception_desc, str(e.exception))
+
+    exception_desc = 'Old device error'
+    with self.assertRaises(device_errors.DeviceUnreachableError) as e:
+      alwaysRaisesProvidedException(
+          old_errors.DeviceUnresponsiveError(exception_desc))
+    self.assertEquals(exception_desc, str(e.exception))
+
   def testDefaultsFunctionDecoratorTranslatesReraiserExceptions(self):
     """Tests that the explicit decorator translates reraiser exceptions."""
     @decorators.WithTimeoutAndRetriesDefaults(30, 10)
     def alwaysRaisesProvidedException(exception, timeout=None, retries=None):
       raise exception
 
     exception_desc = 'Reraiser thread timeout error'
     with self.assertRaises(device_errors.CommandTimeoutError) as e:
       alwaysRaisesProvidedException(
           reraiser_thread.TimeoutError(exception_desc))
@@ skipping 19 matching lines @@
     DecoratorsTest._decorated_function_called_count = 0
     @decorators.WithExplicitTimeoutAndRetries(30, 10)
     def alwaysRaisesCommandFailedError():
       DecoratorsTest._decorated_function_called_count += 1
       raise device_errors.CommandFailedError('testCommand failed')
 
     with self.assertRaises(device_errors.CommandFailedError):
       alwaysRaisesCommandFailedError()
     self.assertEquals(11, DecoratorsTest._decorated_function_called_count)
 
+  def testExplicitDecoratorTranslatesOldExceptions(self):
+    """Tests that the explicit decorator translates old exceptions."""
+    @decorators.WithExplicitTimeoutAndRetries(30, 10)
+    def alwaysRaisesProvidedException(exception):
+      raise exception
+
+    exception_desc = 'Old response timeout error'
+    with self.assertRaises(device_errors.CommandTimeoutError) as e:
+      alwaysRaisesProvidedException(
+          old_errors.WaitForResponseTimedOutError(exception_desc))
+    self.assertEquals(exception_desc, str(e.exception))
+
+    exception_desc = 'Old device error'
+    with self.assertRaises(device_errors.DeviceUnreachableError) as e:
+      alwaysRaisesProvidedException(
+          old_errors.DeviceUnresponsiveError(exception_desc))
+    self.assertEquals(exception_desc, str(e.exception))
+
   def testExplicitDecoratorTranslatesReraiserExceptions(self):
     """Tests that the explicit decorator translates reraiser exceptions."""
     @decorators.WithExplicitTimeoutAndRetries(30, 10)
     def alwaysRaisesProvidedException(exception):
       raise exception
 
     exception_desc = 'Reraiser thread timeout error'
     with self.assertRaises(device_errors.CommandTimeoutError) as e:
       alwaysRaisesProvidedException(
           reraiser_thread.TimeoutError(exception_desc))
@@ skipping 75 matching lines @@
 
   def testMethodDecoratorPassesValues(self):
     """Tests that the method decorator passes timeout and retries kwargs."""
     test_obj = self._MethodDecoratorTestObject(
         self, default_timeout=42, default_retries=31)
     self.assertEquals(42, test_obj.alwaysReturnsTimeout())
     self.assertEquals(41, test_obj.alwaysReturnsTimeout(timeout=41))
     self.assertEquals(31, test_obj.alwaysReturnsRetries())
     self.assertEquals(32, test_obj.alwaysReturnsRetries(retries=32))
 
+  def testMethodDecoratorTranslatesOldExceptions(self):
+    test_obj = self._MethodDecoratorTestObject(self)
+
+    exception_desc = 'Old response timeout error'
+    with self.assertRaises(device_errors.CommandTimeoutError) as e:
+      test_obj.alwaysRaisesProvidedException(
+          old_errors.WaitForResponseTimedOutError(exception_desc))
+    self.assertEquals(exception_desc, str(e.exception))
+
+    exception_desc = 'Old device error'
+    with self.assertRaises(device_errors.DeviceUnreachableError) as e:
+      test_obj.alwaysRaisesProvidedException(
+          old_errors.DeviceUnresponsiveError(exception_desc))
+    self.assertEquals(exception_desc, str(e.exception))
+
   def testMethodDecoratorTranslatesReraiserExceptions(self):
     test_obj = self._MethodDecoratorTestObject(self)
 
     exception_desc = 'Reraiser thread timeout error'
     with self.assertRaises(device_errors.CommandTimeoutError) as e:
       test_obj.alwaysRaisesProvidedException(
           reraiser_thread.TimeoutError(exception_desc))
     self.assertEquals(exception_desc, str(e.exception))
 
 if __name__ == '__main__':
   unittest.main(verbosity=2)