chrome/common/extensions/api/PRESUBMIT_test.py

   1 #!/usr/bin/env python
   2 # Copyright 2013 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 import glob
   7 import json
   8 import os
   9 import subprocess
  10 import sys
  11 import unittest
  12
  13 import PRESUBMIT
  14
  15
  16 class MockInputApi(object):
  17   def __init__(self):
  18     self.json = json
  19     self.os_path = os.path
  20     self.subprocess = subprocess
  21     self.python_executable = sys.executable
  22
  23   def PresubmitLocalPath(self):
  24     return os.path.dirname(__file__)
  25
  26   def ReadFile(self, filename, mode='rU'):
  27     with open(filename, mode=mode) as f:
  28       return f.read()
  29
  30
  31 class JSONParsingTest(unittest.TestCase):
  32   def testSuccess(self):
  33     input_api = MockInputApi()
  34     filename = 'test_presubmit/valid_json.json'
  35     self.assertEqual(None,
  36                      PRESUBMIT._GetJSONParseError(input_api, filename))
  37
  38   def testFailure(self):
  39     input_api = MockInputApi()
  40     expected_errors = [
  41       'Expecting property name: line 8 column 3 (char 9)',
  42       'Invalid control character at: line 8 column 19 (char 25)',
  43       'Expecting property name: line 8 column 23 (char 29)',
  44       'Expecting , delimiter: line 8 column 12 (char 18)',
  45     ]
  46     actual_errors = [
  47       str(PRESUBMIT._GetJSONParseError(input_api, filename))
  48       for filename in sorted(glob.glob('test_presubmit/invalid_*.json'))
  49     ]
  50     self.assertEqual(expected_errors, actual_errors)
  51
  52
  53 class IDLParsingTest(unittest.TestCase):
  54   def testSuccess(self):
  55     input_api = MockInputApi()
  56     filename = 'test_presubmit/valid_idl_basics.idl'
  57     self.assertEqual(None,
  58                      PRESUBMIT._GetIDLParseError(input_api, filename))
  59
  60   def testFailure(self):
  61     input_api = MockInputApi()
  62     expected_errors = [
  63       'Unexpected "{" after keyword "dictionary".',
  64       'Unexpected symbol DOMString after symbol a.',
  65       'Unexpected symbol name2 after symbol name1.',
  66       'Trailing comma in block.',
  67       'Unexpected ";" after "(".',
  68       'Unexpected ")" after symbol long.',
  69       'Unexpected symbol Events after symbol interace.',
  70       'Did not process Interface Interface(NotEvent)',
  71       'Interface missing name.',
  72     ]
  73     actual_errors = [
  74       PRESUBMIT._GetIDLParseError(input_api, filename)
  75       for filename in sorted(glob.glob('test_presubmit/invalid_*.idl'))
  76     ]
  77     for (expected_error, actual_error) in zip(expected_errors, actual_errors):
  78       self.assertTrue(expected_error in actual_error)
  79
  80
  81 if __name__ == "__main__":
  82   unittest.main()