Home | History | Annotate | Download | only in checkers 
      1 # Copyright (C) 2010 Apple Inc. All rights reserved.
      2 #
      3 # Redistribution and use in source and binary forms, with or without
      4 # modification, are permitted provided that the following conditions
      5 # are met:
      6 # 1.  Redistributions of source code must retain the above copyright
      7 #     notice, this list of conditions and the following disclaimer.
      8 # 2.  Redistributions in binary form must reproduce the above copyright
      9 #     notice, this list of conditions and the following disclaimer in the
     10 #     documentation and/or other materials provided with the distribution.
     11 #
     12 # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
     13 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     14 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     15 # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
     16 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     17 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     18 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     19 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     20 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     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 """)
    112