src/third_party/WebKit/Tools/Scripts/webkitpy/style/checkers/jsonchecker_unittest.py

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  15 # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
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  21 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  22
  23 """Unit test for jsonchecker.py."""
  24
  25 import webkitpy.thirdparty.unittest2 as unittest
  26
  27 import jsonchecker
  28
  29
  30 class MockErrorHandler(object):
  31     def __init__(self, handle_style_error):
  32         self.turned_off_filtering = False
  33         self._handle_style_error = handle_style_error
  34
  35     def turn_off_line_filtering(self):
  36         self.turned_off_filtering = True
  37
  38     def __call__(self, line_number, category, confidence, message):
  39         self._handle_style_error(self, line_number, category, confidence, message)
  40         return True
  41
  42
  43 class JSONCheckerTest(unittest.TestCase):
  44     """Tests JSONChecker class."""
  45
  46     def test_line_number_from_json_exception(self):
  47         tests = (
  48             (0, 'No JSON object could be decoded'),
  49             (2, 'Expecting property name: line 2 column 1 (char 2)'),
  50             (3, 'Expecting object: line 3 column 1 (char 15)'),
  51             (9, 'Expecting property name: line 9 column 21 (char 478)'),
  52         )
  53         for expected_line, message in tests:
  54             self.assertEqual(expected_line, jsonchecker.JSONChecker.line_number_from_json_exception(ValueError(message)))
  55
  56     def assert_no_error(self, json_data):
  57         def handle_style_error(mock_error_handler, line_number, category, confidence, message):
  58             self.fail('Unexpected error: %d %s %d %s' % (line_number, category, confidence, message))
  59
  60         error_handler = MockErrorHandler(handle_style_error)
  61         checker = jsonchecker.JSONChecker('foo.json', error_handler)
  62         checker.check(json_data.split('\n'))
  63         self.assertTrue(error_handler.turned_off_filtering)
  64
  65     def assert_error(self, expected_line_number, expected_category, json_data):
  66         def handle_style_error(mock_error_handler, line_number, category, confidence, message):
  67             mock_error_handler.had_error = True
  68             self.assertEqual(expected_line_number, line_number)
  69             self.assertEqual(expected_category, category)
  70             self.assertIn(category, jsonchecker.JSONChecker.categories)
  71
  72         error_handler = MockErrorHandler(handle_style_error)
  73         error_handler.had_error = False
  74
  75         checker = jsonchecker.JSONChecker('foo.json', error_handler)
  76         checker.check(json_data.split('\n'))
  77         self.assertTrue(error_handler.had_error)
  78         self.assertTrue(error_handler.turned_off_filtering)
  79
  80     def mock_handle_style_error(self):
  81         pass
  82
  83     def test_conflict_marker(self):
  84         self.assert_error(0, 'json/syntax', '<<<<<<< HEAD\n{\n}\n')
  85
  86     def test_single_quote(self):
  87         self.assert_error(2, 'json/syntax', "{\n'slaves': []\n}\n")
  88
  89     def test_init(self):
  90         error_handler = MockErrorHandler(self.mock_handle_style_error)
  91         checker = jsonchecker.JSONChecker('foo.json', error_handler)
  92         self.assertEqual(checker._handle_style_error, error_handler)
  93
  94     def test_no_error(self):
  95         self.assert_no_error("""{
  96     "slaves":     [ { "name": "test-slave", "platform": "*" },
  97                     { "name": "apple-xserve-4", "platform": "mac-snowleopard" }
  98                   ],
  99
 100     "builders":   [ { "name": "SnowLeopard Intel Release (Build)", "type": "Build", "builddir": "snowleopard-intel-release",
 101                       "platform": "mac-snowleopard", "configuration": "release", "architectures": ["x86_64"],
 102                       "slavenames": ["apple-xserve-4"]
 103                     }
 104                    ],
 105
 106     "schedulers": [ { "type": "PlatformSpecificScheduler", "platform": "mac-snowleopard", "branch": "trunk", "treeStableTimer": 45.0,
 107                       "builderNames": ["SnowLeopard Intel Release (Build)", "SnowLeopard Intel Debug (Build)"]
 108                     }
 109                   ]
 110 }
 111 """)