Add mojo apptest runner.

mojo/tools/apptest_runner.py

Index: mojo/tools/apptest_runner.py
diff --git a/mojo/tools/apptest_runner.py b/mojo/tools/apptest_runner.py
new file mode 100755
index 0000000000000000000000000000000000000000..901babfaa7452f3505b2cccb1131449d35b28db6
--- /dev/null
+++ b/mojo/tools/apptest_runner.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+# Copyright 2015 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.
+
+"""A test runner for gtest application tests."""
+
+import argparse
+import ast
+import logging
+import os
+import sys
+
+_logging = logging.getLogger()
+
+import gtest
+
+
+def main():
+  logging.basicConfig()
+  # Uncomment to debug:
+  #_logging.setLevel(logging.DEBUG)
+
+  parser = argparse.ArgumentParser(description='A test runner for gtest '
+                                   'application tests.')
+
+  parser.add_argument('apptest_list_file', type=file,
+                      help='A file listing apptests to run.')
+  parser.add_argument('build_dir', type=str,
+                      help='The build output directory.')
+  args = parser.parse_args()
+
+  apptest_list = ast.literal_eval(args.apptest_list_file.read())
+  _logging.debug("Test list: %s" % apptest_list)
+
+  gtest.set_color()
+  mojo_shell_path = os.path.join(args.build_dir, "mojo_shell")
+
+  exit_code = 0
+  for apptest_dict in apptest_list:
+    if apptest_dict.get("disabled"):
+      continue
+
+    apptest = apptest_dict["test"]
+    apptest_args = apptest_dict.get("test-args", [])
+    shell_args = apptest_dict.get("shell-args", [])
+
+    print "Running " + apptest + "...",
+    sys.stdout.flush()
+
+    # List the apptest fixtures so they can be run independently for isolation.
+    # TODO(msw): Run some apptests without fixture isolation?
+    fixtures = gtest.get_fixtures(mojo_shell_path, apptest)
+
+    if not fixtures:
+      print "Failed with no tests found."
+      exit_code = 1
+      continue
+
+    apptest_result = "Succeeded"
+    for fixture in fixtures:
+      args_for_apptest = " ".join(["--args-for=" + apptest,
+                                   "--gtest_filter=" + fixture] + apptest_args)
+
+      success = RunApptestInShell(mojo_shell_path, apptest,
+                                  shell_args + [args_for_apptest])
+
+      if not success:
+        apptest_result = "Failed test(s) in %r" % apptest_dict
+        exit_code = 1
+
+    print apptest_result
+
+  return exit_code
+
+
+def RunApptestInShell(mojo_shell_path, apptest, shell_args):
+  return gtest.run_test([mojo_shell_path, apptest] + shell_args)
+
+
+if __name__ == '__main__':
+  sys.exit(main())