Add a snapshot of flutter/engine/src/build to our sdk

build/android/pylib/device/adb_wrapper_test.py

+# Copyright 2013 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.
+
+"""Tests for the AdbWrapper class."""
+
+import os
+import tempfile
+import time
+import unittest
+
+from pylib.device import adb_wrapper
+from pylib.device import device_errors
+
+
+class TestAdbWrapper(unittest.TestCase):
+
+  def setUp(self):
+    devices = adb_wrapper.AdbWrapper.Devices()
+    assert devices, 'A device must be attached'
+    self._adb = devices[0]
+    self._adb.WaitForDevice()
+
+  @staticmethod
+  def _MakeTempFile(contents):
+    """Make a temporary file with the given contents.
+
+    Args:
+      contents: string to write to the temporary file.
+
+    Returns:
+      The absolute path to the file.
+    """
+    fi, path = tempfile.mkstemp()
+    with os.fdopen(fi, 'wb') as f:
+      f.write(contents)
+    return path
+
+  def testShell(self):
+    output = self._adb.Shell('echo test', expect_status=0)
+    self.assertEqual(output.strip(), 'test')
+    output = self._adb.Shell('echo test')
+    self.assertEqual(output.strip(), 'test')
+    with self.assertRaises(device_errors.AdbCommandFailedError):
+        self._adb.Shell('echo test', expect_status=1)
+
+  def testPushLsPull(self):
+    path = self._MakeTempFile('foo')
+    device_path = '/data/local/tmp/testfile.txt'
+    local_tmpdir = os.path.dirname(path)
+    self._adb.Push(path, device_path)
+    files = dict(self._adb.Ls('/data/local/tmp'))
+    self.assertTrue('testfile.txt' in files)
+    self.assertEquals(3, files['testfile.txt'].st_size)
+    self.assertEqual(self._adb.Shell('cat %s' % device_path), 'foo')
+    self._adb.Pull(device_path, local_tmpdir)
+    with open(os.path.join(local_tmpdir, 'testfile.txt'), 'r') as f:
+      self.assertEqual(f.read(), 'foo')
+
+  def testInstall(self):
+    path = self._MakeTempFile('foo')
+    with self.assertRaises(device_errors.AdbCommandFailedError):
+      self._adb.Install(path)
+
+  def testForward(self):
+    with self.assertRaises(device_errors.AdbCommandFailedError):
+      self._adb.Forward(0, 0)
+
+  def testUninstall(self):
+    with self.assertRaises(device_errors.AdbCommandFailedError):
+      self._adb.Uninstall('some.nonexistant.package')
+
+  def testRebootWaitForDevice(self):
+    self._adb.Reboot()
+    print 'waiting for device to reboot...'
+    while self._adb.GetState() == 'device':
+      time.sleep(1)
+    self._adb.WaitForDevice()
+    self.assertEqual(self._adb.GetState(), 'device')
+    print 'waiting for package manager...'
+    while 'package:' not in self._adb.Shell('pm path android'):
+      time.sleep(1)
+
+  def testRootRemount(self):
+    self._adb.Root()
+    while True:
+      try:
+        self._adb.Shell('start')
+        break
+      except device_errors.AdbCommandFailedError:
+        time.sleep(1)
+    self._adb.Remount()
+
+
+if __name__ == '__main__':
+  unittest.main()