[Android] Converts host driven tests to common test_dispatcher

build/android/pylib/host_driven/test_case.py

+# Copyright (c) 2012 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.
+
+"""Base class for host-driven test cases.
+
+This test case is intended to serve as the base class for any host-driven
+test cases. It is similar to the Python unitttest module in that test cases
+inherit from this class and add methods which will be run as tests.
+
+When a HostDrivenTestCase object is instantiated, its purpose is to run only one
+test method in the derived class. The test runner gives it the name of the test
+method the instance will run. The test runner calls SetUp with the device ID
+which the test method will run against. The test runner runs the test method
+itself, collecting the result, and calls TearDown.
+"""
+
+import logging
+import os
+
+from pylib import android_commands
+
+
+class HostDrivenTestCase(object):
+  """Base class for host-driven test cases."""
+
+  _HOST_DRIVEN_TAG = 'HostDriven'
+
+  def __init__(self, test_name):
+    # test_name must match one of the test methods defined on a subclass which
+    # inherits from this class.
+    self.test_name = test_name
+    class_name = self.__class__.__name__
+    self.qualified_name = '%s.%s' % (class_name, self.test_name)
+    # Use tagged_name when creating results, so that we can identify host-driven
+    # tests in the overall results.
+    self.tagged_name = '%s_%s' % (self._HOST_DRIVEN_TAG, self.qualified_name)
+
+  def SetUp(self, device, shard_index, build_type, push_deps,
+            cleanup_test_files):
+    self.device_id = device
+    self.shard_index = shard_index
+    self.build_type = build_type
+    self.adb = android_commands.AndroidCommands(self.device_id)
+    self.push_deps = push_deps
+    self.cleanup_test_files = cleanup_test_files
+
+  def TearDown(self):
+    pass
+
+  def GetOutDir(self):
+    return os.path.join(os.environ['CHROME_SRC'], 'out',
+                        self.build_type)
+
+  def Run(self):
+    logging.info('Running host-driven test: %s', self.test_name)
+    # Get the test method on the derived class and execute it
+    return getattr(self, self.test_name)()