[gyp][Android] Implement TestGypAndroid.run_built_executable.

buildbot/buildbot_run.py

 #!/usr/bin/env python
 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 """Argument-less script to select what to run on the buildbots."""
 
 
 import os
@@ skipping 89 matching lines @@
   print '@@@BUILD_STEP Sync Android@@@'
   CallSubProcess(['repo', 'sync', '-j4'], cwd=ANDROID_DIR)
 
   print '@@@BUILD_STEP Build Android@@@'
   CallSubProcess(
       ['/bin/bash',
        '-c', 'source build/envsetup.sh && lunch full-eng && make -j4'],
       cwd=ANDROID_DIR)
 
 
+def StartAndroidEmulator():
+  """Start an android emulator from the built android tree."""
+  print '@@@BUILD_STEP Start Android emulator@@@'
+  subprocess.Popen(
+      ['/bin/bash', '-c',
+       'source build/envsetup.sh && $ANDROID_HOST_OUT/bin/emulator'],
+      cwd=ANDROID_DIR)
+  CallSubProcess(
+      ['/bin/bash', '-c',
+       'source build/envsetup.sh && $ANDROID_HOST_OUT/bin/adb wait-for-device'],
+      cwd=ANDROID_DIR)
+
+
+def StopAndroidEmulator():
+  """Stop all android emulators."""
+  print '@@@BUILD_STEP Stop Android emulator@@@'
+  # If this fails, it's because there is no emulator running.
+  subprocess.call(['pkill', 'emulator.*'])
+
+
 def GypTestFormat(title, format=None, msvs_version=None, tests=[]):
   """Run the gyp tests for a given format, emitting annotator tags.
 
   See annotator docs at:
     https://sites.google.com/a/chromium.org/dev/developers/testing/chromium-build-infrastructure/buildbot-annotations
   Args:
     format: gyp format to test.
   Returns:
     0 for sucesss, 1 for failure.
   """
@@ skipping 33 matching lines @@
   # Dump out/ directory.
   print '@@@BUILD_STEP cleanup@@@'
   print 'Removing %s...' % OUT_DIR
   shutil.rmtree(OUT_DIR, ignore_errors=True)
   print 'Done.'
 
   retcode = 0
   # The Android gyp bot runs on linux so this must be tested first.
   if os.environ['BUILDBOT_BUILDERNAME'] == 'gyp-android':
     PrepareAndroidTree()
-    retcode += GypTestFormat('android')
+    StartAndroidEmulator()
+    try:
+      retcode += GypTestFormat('android')
+    finally:
+      StopAndroidEmulator()
   elif sys.platform.startswith('linux'):
     retcode += GypTestFormat('ninja')
     retcode += GypTestFormat('make')
     PrepareCmake()
     retcode += GypTestFormat('cmake')
   elif sys.platform == 'darwin':
     retcode += GypTestFormat('ninja')
     retcode += GypTestFormat('xcode')
     retcode += GypTestFormat('make')
   elif sys.platform == 'win32':
@@ skipping 13 matching lines @@
     # TODO(bradnelson): once the annotator supports a postscript (section for
     #     after the build proper that could be used for cumulative failures),
     #     use that instead of this. This isolates the final return value so
     #     that it isn't misattributed to the last stage.
     print '@@@BUILD_STEP failures@@@'
     sys.exit(retcode)
 
 
 if __name__ == '__main__':
   GypBuild()