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# Copyright (C) 2010 Apple Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Unit test for jsonchecker.py."""
import unittest2 as unittest
import jsonchecker
class MockErrorHandler(object):
def __init__(self, handle_style_error):
self.turned_off_filtering = False
self._handle_style_error = handle_style_error
def turn_off_line_filtering(self):
self.turned_off_filtering = True
def __call__(self, line_number, category, confidence, message):
self._handle_style_error(self, line_number, category, confidence, message)
return True
class JSONCheckerTest(unittest.TestCase):
"""Tests JSONChecker class."""
def test_line_number_from_json_exception(self):
tests = (
(0, 'No JSON object could be decoded'),
(2, 'Expecting property name: line 2 column 1 (char 2)'),
(3, 'Expecting object: line 3 column 1 (char 15)'),
(9, 'Expecting property name: line 9 column 21 (char 478)'),
)
for expected_line, message in tests:
self.assertEqual(expected_line, jsonchecker.JSONChecker.line_number_from_json_exception(ValueError(message)))
def assert_no_error(self, json_data):
def handle_style_error(mock_error_handler, line_number, category, confidence, message):
self.fail('Unexpected error: %d %s %d %s' % (line_number, category, confidence, message))
error_handler = MockErrorHandler(handle_style_error)
checker = jsonchecker.JSONChecker('foo.json', error_handler)
checker.check(json_data.split('\n'))
self.assertTrue(error_handler.turned_off_filtering)
def assert_error(self, expected_line_number, expected_category, json_data):
def handle_style_error(mock_error_handler, line_number, category, confidence, message):
mock_error_handler.had_error = True
self.assertEqual(expected_line_number, line_number)
self.assertEqual(expected_category, category)
self.assertIn(category, jsonchecker.JSONChecker.categories)
error_handler = MockErrorHandler(handle_style_error)
error_handler.had_error = False
checker = jsonchecker.JSONChecker('foo.json', error_handler)
checker.check(json_data.split('\n'))
self.assertTrue(error_handler.had_error)
self.assertTrue(error_handler.turned_off_filtering)
def mock_handle_style_error(self):
pass
def test_conflict_marker(self):
self.assert_error(0, 'json/syntax', '<<<<<<< HEAD\n{\n}\n')
def test_single_quote(self):
self.assert_error(2, 'json/syntax', "{\n'slaves': []\n}\n")
def test_init(self):
error_handler = MockErrorHandler(self.mock_handle_style_error)
checker = jsonchecker.JSONChecker('foo.json', error_handler)
self.assertEqual(checker._handle_style_error, error_handler)
def test_no_error(self):
self.assert_no_error("""{
"slaves": [ { "name": "test-slave", "platform": "*" },
{ "name": "apple-xserve-4", "platform": "mac-snowleopard" }
],
"builders": [ { "name": "SnowLeopard Intel Release (Build)", "type": "Build", "builddir": "snowleopard-intel-release",
"platform": "mac-snowleopard", "configuration": "release", "architectures": ["x86_64"],
"slavenames": ["apple-xserve-4"]
}
],
"schedulers": [ { "type": "PlatformSpecificScheduler", "platform": "mac-snowleopard", "branch": "trunk", "treeStableTimer": 45.0,
"builderNames": ["SnowLeopard Intel Release (Build)", "SnowLeopard Intel Debug (Build)"]
}
]
}
""")
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