[Android] Switch to new interfaces of GetAVDs and RestartAdbServer.

build/android/pylib/device/device_utils_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 the contents of device_utils.py (mostly DeviceUtils).
+"""
+
+# pylint: disable=W0212
+# pylint: disable=W0613
+
+import unittest
+from pylib import android_commands
+from pylib import cmd_helper
+from pylib.device import adb_wrapper
+from pylib.device import device_utils
+
+
+class DeviceUtilsTest(unittest.TestCase):
+  def testGetAVDs(self):
+    pass
+
+  def testRestartServerNotRunning(self):
+    # TODO(jbudorick) If these fail, it's not DeviceUtils's fault.
+    self.assertEqual(0, cmd_helper.RunCmd(['pkill', 'adb']))
+    self.assertNotEqual(0, cmd_helper.RunCmd(['pgrep', 'adb']))
+    device_utils.RestartServer()
+    self.assertEqual(0, cmd_helper.RunCmd(['pgrep', 'adb']))
+
+  def testRestartServerAlreadyRunning(self):
+    if cmd_helper.RunCmd(['pgrep', 'adb']) != 0:
+      device_utils.RestartServer()
+    code, original_pid = cmd_helper.GetCmdStatusAndOutput(['pgrep', 'adb'])
+    self.assertEqual(0, code)
+    device_utils.RestartServer()
+    code, new_pid = cmd_helper.GetCmdStatusAndOutput(['pgrep', 'adb'])
+    self.assertEqual(0, code)
+    self.assertNotEqual(original_pid, new_pid)
+
+  def testInitWithStr(self):
+    serial_as_str = str('0123456789abcdef')
+    d = device_utils.DeviceUtils('0123456789abcdef')
+    self.assertEqual(serial_as_str, d.old_interface.GetDevice())
+
+  def testInitWithUnicode(self):
+    serial_as_unicode = unicode('fedcba9876543210')
+    d = device_utils.DeviceUtils(serial_as_unicode)
+    self.assertEqual(serial_as_unicode, d.old_interface.GetDevice())
+
+  def testInitWithAdbWrapper(self):
+    serial = '123456789abcdef0'
+    a = adb_wrapper.AdbWrapper(serial)
+    d = device_utils.DeviceUtils(a)
+    self.assertEqual(serial, d.old_interface.GetDevice())
+
+  def testInitWithAndroidCommands(self):
+    serial = '0fedcba987654321'
+    a = android_commands.AndroidCommands(device=serial)
+    d = device_utils.DeviceUtils(a)
+    self.assertEqual(serial, d.old_interface.GetDevice())
+
+  def testInitWithNone(self):
+    d = device_utils.DeviceUtils(None)
+    self.assertIsNone(d.old_interface.GetDevice())
+
+
+if __name__ == '__main__':
+  unittest.main()
+