bluetooth: Add script to generate tests based on templates

third_party/WebKit/LayoutTests/bluetooth/PRESUBMIT.py

+# Copyright 2016 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.
+"""Chromium presubmit script for Web Bluetooth layout tests.
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts.
+"""
+
+
+def CheckGeneratedFiles(input_api, output_api):
+  test_path = input_api.os_path.join(input_api.PresubmitLocalPath(),
+                                     'generate_test.py')
+  cmd_name = 'generate_test'
+  if input_api.platform == 'win32':
+    # Windows needs some help.
+    cmd = [input_api.python_executable, test_path]

[Jeffrey Yasskin, 2016/10/19 01:39:23]

Does it work to do this unconditionally?

[ortuno, 2016/10/19 04:34:04]

It does. Done.

+  else:
+    cmd = [test_path]
+
+  test_cmd = input_api.Command(
+      name=cmd_name, cmd=cmd, kwargs={}, message=output_api.PresubmitError)
+  if input_api.verbose:
+    print('Running ' + cmd_name)
+
+  return input_api.RunTests([test_cmd])
+
+
+def CheckChangeOnUpload(input_api, output_api):
+  return CheckGeneratedFiles(input_api, output_api)