1 files changed, 56 insertions, 0 deletions
diff --git a/testing/web-platform/tests/bluetooth/generate_test.py b/testing/web-platform/tests/bluetooth/generate_test.py
new file mode 100755
index 0000000000..6f46ae913a
--- /dev/null
+++ b/testing/web-platform/tests/bluetooth/generate_test.py
@@ -0,0 +1,56 @@
+#!/usr/bin/python
+
+# Copyright 2016 The Chromium Authors
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# TODO(50903): Delete the file in LayoutTests/bluetooth after all the tests have
+# been migrated to this directory.
+"""Test that the set of gen-* files is the same as the generated files."""
+
+import fnmatch
+import os
+import sys
+import generate
+import logging
+
+UPDATE_TIP = 'To update the generated tests, run:\n' \
+             '$ python third_party/WebKit/LayoutTests/bluetooth/generate.py'
+
+
+def main():
+  logging.basicConfig(level=logging.INFO)
+  logging.info(UPDATE_TIP)
+  generated_files = set()
+  # Tests data in gen-* files is the same as the data generated.
+  for generated_test in generate.GetGeneratedTests():
+    generated_files.add(generated_test.path)
+    try:
+      with open(generated_test.path, 'r') as f:
+        data = f.read().decode('utf-8')
+        if data != generated_test.data:
+          logging.error('%s does not match template', generated_test.path)
+          return -1
+    except IOError as e:
+      if e.errno == 2:
+        logging.error('Missing generated test:\n%s\nFor template:\n%s',
+                     generated_test.path,
+                     generated_test.template)
+        return -1
+
+  # Tests that there are no obsolete generated files.
+  previous_generated_files = set()
+  current_path = os.path.dirname(os.path.realpath(__file__))
+  for root, _, filenames in os.walk(current_path):
+    for filename in fnmatch.filter(filenames, 'gen-*.https.window.js'):
+      previous_generated_files.add(os.path.join(root, filename))
+
+  if previous_generated_files != generated_files:
+    logging.error('There are extra generated tests. Please remove them.')
+    for test_path in previous_generated_files - generated_files:
+      logging.error('%s', test_path)
+    return -1
+
+
+if __name__ == '__main__':
+  sys.exit(main())