[Android] Refactor the native test wrappers. (RELAND)

build/android/pylib/gtest/local_device_gtest_run.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.
 
 
 import logging
 import os
 
 from pylib import constants
 from pylib import ports
 from pylib.base import test_run
 from pylib.device import device_errors
 from pylib.gtest import gtest_test_instance
 
 from pylib.local import local_test_server_spawner
 from pylib.local.device import local_device_environment
 from pylib.local.device import local_device_test_run
 from pylib.utils import apk_helper
 from pylib.utils import device_temp_file
 
 _COMMAND_LINE_FLAGS_SUPPORTED = True
 
 _EXTRA_COMMAND_LINE_FILE = (
     'org.chromium.native_test.NativeTestActivity.CommandLineFile')
 _EXTRA_COMMAND_LINE_FLAGS = (
     'org.chromium.native_test.NativeTestActivity.CommandLineFlags')
+_EXTRA_NATIVE_TEST_ACTIVITY = (
+    'org.chromium.native_test.NativeTestInstrumentationTestRunner'
+        '.NativeTestActivity')
 
 _MAX_SHARD_SIZE = 256
 
 # TODO(jbudorick): Move this up to the test instance if the net test server is
 # handled outside of the APK for the remote_device environment.
 _SUITE_REQUIRES_TEST_SERVER_SPAWNER = [
   'components_browsertests', 'content_unittests', 'content_browsertests',
   'net_unittests', 'unit_tests'
 ]
 
 class _ApkDelegate(object):
   def __init__(self, apk):
     self._apk = apk
-    self._package = apk_helper.GetPackageName(self._apk)
-    self._runner = apk_helper.GetInstrumentationName(self._apk)
+
+    helper = apk_helper.ApkHelper(self._apk)
+    self._activity = helper.GetActivityName()
+    self._package = helper.GetPackageName()
+    self._runner = helper.GetInstrumentationName()
     self._component = '%s/%s' % (self._package, self._runner)
     self._enable_test_server_spawner = False
 
   def Install(self, device):
     device.Install(self._apk)
 
   def RunWithFlags(self, device, flags, **kwargs):
     with device_temp_file.DeviceTempFile(device.adb) as command_line_file:
       device.WriteFile(command_line_file.name, '_ %s' % flags)
 
       extras = {
         _EXTRA_COMMAND_LINE_FILE: command_line_file.name,
+        _EXTRA_NATIVE_TEST_ACTIVITY: self._activity,
       }
 
       return device.StartInstrumentation(
           self._component, extras=extras, raw=False, **kwargs)
 
   def Clear(self, device):
     device.ClearApplicationState(self._package)
 
 
 class _ExeDelegate(object):
@@ skipping 61 matching lines @@
 
     if self._test_instance.apk:
       self._delegate = _ApkDelegate(self._test_instance.apk)
     elif self._test_instance.exe:
       self._delegate = _ExeDelegate(self, self._test_instance.exe)
 
     self._servers = {}
 
   #override
   def TestPackage(self):
-    return self._test_instance._suite
+    return self._test_instance.suite
 
   #override
   def SetUp(self):
 
     def individual_device_set_up(dev, host_device_tuples):
       # Install test APK.
       self._delegate.Install(dev)
 
       # Push data dependencies.
       external_storage = dev.GetExternalStoragePath()
@@ skipping 13 matching lines @@
 
     self._env.parallel_devices.pMap(individual_device_set_up,
                                     self._test_instance.GetDataDependencies())
 
   #override
   def _ShouldShard(self):
     return True
 
   #override
   def _CreateShards(self, tests):
-    device_count = len(self._env.devices)
-    shards = []
-    for i in xrange(0, device_count):
-      unbounded_shard = tests[i::device_count]
-      shards += [unbounded_shard[j:j+_MAX_SHARD_SIZE]
-                 for j in xrange(0, len(unbounded_shard), _MAX_SHARD_SIZE)]
-    return [':'.join(s) for s in shards]
+    if self._test_instance.suite in gtest_test_instance.BROWSER_TEST_SUITES:
+      return tests
+    else:
+      device_count = len(self._env.devices)
+      shards = []
+      for i in xrange(0, device_count):
+        unbounded_shard = tests[i::device_count]
+        shards += [unbounded_shard[j:j+_MAX_SHARD_SIZE]
+                   for j in xrange(0, len(unbounded_shard), _MAX_SHARD_SIZE)]
+      return [':'.join(s) for s in shards]
 
   #override
   def _GetTests(self):
     tests = self._delegate.RunWithFlags(
         self._env.devices[0], '--gtest_list_tests')
     tests = gtest_test_instance.ParseGTestListTests(tests)
     tests = self._test_instance.FilterTests(tests)
     return tests
 
   #override
   def _RunTest(self, device, test):
     # Run the test.
-    output = self._delegate.RunWithFlags(device, '--gtest_filter=%s' % test,
-                                         timeout=900, retries=0)
+    output = self._delegate.RunWithFlags(
+        device, '--gtest_filter=%s' % test, timeout=900, retries=0)
     for s in self._servers[str(device)]:
       s.Reset()
     self._delegate.Clear(device)
 
     # Parse the output.
     # TODO(jbudorick): Transition test scripts away from parsing stdout.
     results = self._test_instance.ParseGTestOutput(output)
     return results
 
   #override
   def TearDown(self):
     def individual_device_tear_down(dev):
       for s in self._servers[str(dev)]:
         s.TearDown()
 
     self._env.parallel_devices.pMap(individual_device_tear_down)