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Viewing changes to Tools/Scripts/webkitpy/tool/bot/expectedfailures_unittest.py

  • Committer: Package Import Robot
  • Author(s): Jonathan Riddell
  • Date: 2013-02-18 14:24:18 UTC
  • Revision ID: package-import@ubuntu.com-20130218142418-eon0jmjg3nj438uy
Tags: upstream-2.3
Import upstream version 2.3

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Tools/Scripts/webkitpy/tool/bot/expectedfailures_unittest.py
 
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# Copyright (c) 2009 Google Inc. All rights reserved.
 
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#
 
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# Redistribution and use in source and binary forms, with or without
 
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# modification, are permitted provided that the following conditions are
 
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# met:
 
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#
 
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#     * Redistributions of source code must retain the above copyright
 
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# notice, this list of conditions and the following disclaimer.
 
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#     * Redistributions in binary form must reproduce the above
 
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# copyright notice, this list of conditions and the following disclaimer
 
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# in the documentation and/or other materials provided with the
 
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# distribution.
 
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#     * Neither the name of Google Inc. nor the names of its
 
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# contributors may be used to endorse or promote products derived from
 
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# this software without specific prior written permission.
 
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#
 
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
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import unittest
 
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from webkitpy.tool.bot.expectedfailures import ExpectedFailures
 
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class MockResults(object):
 
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    def __init__(self, failing_tests=[], failure_limit=10):
 
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        self._failing_tests = failing_tests
 
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        self._failure_limit_count = failure_limit
 
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    def failure_limit_count(self):
 
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        return self._failure_limit_count
 
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    def failing_tests(self):
 
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        return self._failing_tests
 
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class ExpectedFailuresTest(unittest.TestCase):
 
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    def _assert_can_trust(self, results, can_trust):
 
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        self.assertEqual(ExpectedFailures._should_trust(results), can_trust)
 
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    def test_can_trust_results(self):
 
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        self._assert_can_trust(None, False)
 
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        self._assert_can_trust(MockResults(failing_tests=[], failure_limit=None), False)
 
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        self._assert_can_trust(MockResults(failing_tests=[], failure_limit=10), False)
 
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        self._assert_can_trust(MockResults(failing_tests=[1], failure_limit=None), False)
 
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        self._assert_can_trust(MockResults(failing_tests=[1], failure_limit=2), True)
 
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        self._assert_can_trust(MockResults(failing_tests=[1], failure_limit=1), False)
 
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        self._assert_can_trust(MockResults(failing_tests=[1, 2], failure_limit=1), False)
 
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    def _assert_expected(self, expected_failures, failures, expected):
 
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        self.assertEqual(expected_failures.failures_were_expected(MockResults(failures)), expected)
 
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    def test_failures_were_expected(self):
 
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        failures = ExpectedFailures()
 
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        failures.update(MockResults(['foo.html']))
 
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        self._assert_expected(failures, ['foo.html'], True)
 
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        self._assert_expected(failures, ['bar.html'], False)
 
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        self._assert_expected(failures, ['bar.html', 'foo.html'], False)
 
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        failures.update(MockResults(['baz.html']))
 
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        self._assert_expected(failures, ['baz.html'], True)
 
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        self._assert_expected(failures, ['foo.html'], False)
 
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        failures.update(MockResults([]))
 
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        self._assert_expected(failures, ['baz.html'], False)
 
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        self._assert_expected(failures, ['foo.html'], False)
 
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    def test_unexpected_failures_observed(self):
 
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        failures = ExpectedFailures()
 
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        failures.update(MockResults(['foo.html']))
 
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        self.assertEqual(failures.unexpected_failures_observed(MockResults(['foo.html', 'bar.html'])), set(['bar.html']))
 
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        self.assertEqual(failures.unexpected_failures_observed(MockResults(['baz.html'])), set(['baz.html']))
 
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        unbounded_results = MockResults(['baz.html', 'qux.html', 'taco.html'], failure_limit=3)
 
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        self.assertEqual(failures.unexpected_failures_observed(unbounded_results), set(['baz.html', 'qux.html', 'taco.html']))
 
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        unbounded_results_with_existing_failure = MockResults(['foo.html', 'baz.html', 'qux.html', 'taco.html'], failure_limit=4)
 
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        self.assertEqual(failures.unexpected_failures_observed(unbounded_results_with_existing_failure), set(['baz.html', 'qux.html', 'taco.html']))
 
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    def test_unexpected_failures_observed_when_tree_is_hosed(self):
 
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        failures = ExpectedFailures()
 
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        failures.update(MockResults(['foo.html', 'banana.html'], failure_limit=2))
 
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        self.assertEqual(failures.unexpected_failures_observed(MockResults(['foo.html', 'bar.html'])), None)
 
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        self.assertEqual(failures.unexpected_failures_observed(MockResults(['baz.html'])), None)
 
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        unbounded_results = MockResults(['baz.html', 'qux.html', 'taco.html'], failure_limit=3)
 
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        self.assertEqual(failures.unexpected_failures_observed(unbounded_results), None)
 
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        unbounded_results_with_existing_failure = MockResults(['foo.html', 'baz.html', 'qux.html', 'taco.html'], failure_limit=4)
 
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        self.assertEqual(failures.unexpected_failures_observed(unbounded_results_with_existing_failure), None)