Add global presubmit that JSON and IDL files can be parsed.

chrome/common/extensions/api/PRESUBMIT_test.py

-#!/usr/bin/env python
-# 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.
-
-import glob
-import json
-import os
-import subprocess
-import sys
-import unittest
-
-import PRESUBMIT
-
-
-class MockInputApi(object):
-  def __init__(self):
-    self.json = json
-    self.os_path = os.path
-    self.subprocess = subprocess
-    self.python_executable = sys.executable
-
-  def PresubmitLocalPath(self):
-    return os.path.dirname(__file__)
-
-  def ReadFile(self, filename, mode='rU'):
-    with open(filename, mode=mode) as f:
-      return f.read()
-
-
-class JSONParsingTest(unittest.TestCase):
-  def testSuccess(self):
-    input_api = MockInputApi()
-    filename = 'test_presubmit/valid_json.json'
-    self.assertEqual(None,
-                     PRESUBMIT._GetJSONParseError(input_api, filename))
-
-  def testFailure(self):
-    input_api = MockInputApi()
-    expected_errors = [
-      'Expecting property name: line 8 column 3 (char 9)',
-      'Invalid control character at: line 8 column 19 (char 25)',
-      'Expecting property name: line 8 column 23 (char 29)',
-      'Expecting , delimiter: line 8 column 12 (char 18)',
-    ]
-    actual_errors = [
-      str(PRESUBMIT._GetJSONParseError(input_api, filename))
-      for filename in sorted(glob.glob('test_presubmit/invalid_*.json'))
-    ]
-    self.assertEqual(expected_errors, actual_errors)
-
-
-class IDLParsingTest(unittest.TestCase):
-  def testSuccess(self):
-    input_api = MockInputApi()
-    filename = 'test_presubmit/valid_idl_basics.idl'
-    self.assertEqual(None,
-                     PRESUBMIT._GetIDLParseError(input_api, filename))
-
-  def testFailure(self):
-    input_api = MockInputApi()
-    expected_errors = [
-      'Unexpected "{" after keyword "dictionary".',
-      'Unexpected symbol DOMString after symbol a.',
-      'Unexpected symbol name2 after symbol name1.',
-      'Trailing comma in block.',
-      'Unexpected ";" after "(".',
-      'Unexpected ")" after symbol long.',
-      'Unexpected symbol Events after symbol interace.',
-      'Did not process Interface Interface(NotEvent)',
-      'Interface missing name.',
-    ]
-    actual_errors = [
-      PRESUBMIT._GetIDLParseError(input_api, filename)
-      for filename in sorted(glob.glob('test_presubmit/invalid_*.idl'))
-    ]
-    for (expected_error, actual_error) in zip(expected_errors, actual_errors):
-      self.assertTrue(expected_error in actual_error)
-
-
-if __name__ == "__main__":
-  unittest.main()