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# Copyright (c) 2009 Google 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:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
# OWNER OR 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.
import unittest2 as unittest
from webkitpy.tool.bot.expectedfailures import ExpectedFailures
class MockResults(object):
def __init__(self, failing_tests=[], failure_limit=10):
self._failing_tests = failing_tests
self._failure_limit_count = failure_limit
def failure_limit_count(self):
return self._failure_limit_count
def failing_tests(self):
return self._failing_tests
class ExpectedFailuresTest(unittest.TestCase):
def _assert_can_trust(self, results, can_trust):
self.assertEqual(ExpectedFailures._should_trust(results), can_trust)
def test_can_trust_results(self):
self._assert_can_trust(None, False)
self._assert_can_trust(MockResults(failing_tests=[], failure_limit=None), False)
self._assert_can_trust(MockResults(failing_tests=[], failure_limit=10), False)
self._assert_can_trust(MockResults(failing_tests=[1], failure_limit=None), False)
self._assert_can_trust(MockResults(failing_tests=[1], failure_limit=2), True)
self._assert_can_trust(MockResults(failing_tests=[1], failure_limit=1), False)
self._assert_can_trust(MockResults(failing_tests=[1, 2], failure_limit=1), False)
def _assert_expected(self, expected_failures, failures, expected):
self.assertEqual(expected_failures.failures_were_expected(MockResults(failures)), expected)
def test_failures_were_expected(self):
failures = ExpectedFailures()
failures.update(MockResults(['foo.html']))
self._assert_expected(failures, ['foo.html'], True)
self._assert_expected(failures, ['bar.html'], False)
self._assert_expected(failures, ['bar.html', 'foo.html'], False)
failures.update(MockResults(['baz.html']))
self._assert_expected(failures, ['baz.html'], True)
self._assert_expected(failures, ['foo.html'], False)
failures.update(MockResults([]))
self._assert_expected(failures, ['baz.html'], False)
self._assert_expected(failures, ['foo.html'], False)
def test_unexpected_failures_observed(self):
failures = ExpectedFailures()
failures.update(MockResults(['foo.html']))
self.assertEqual(failures.unexpected_failures_observed(MockResults(['foo.html', 'bar.html'])), set(['bar.html']))
self.assertEqual(failures.unexpected_failures_observed(MockResults(['baz.html'])), set(['baz.html']))
unbounded_results = MockResults(['baz.html', 'qux.html', 'taco.html'], failure_limit=3)
self.assertEqual(failures.unexpected_failures_observed(unbounded_results), set(['baz.html', 'qux.html', 'taco.html']))
unbounded_results_with_existing_failure = MockResults(['foo.html', 'baz.html', 'qux.html', 'taco.html'], failure_limit=4)
self.assertEqual(failures.unexpected_failures_observed(unbounded_results_with_existing_failure), set(['baz.html', 'qux.html', 'taco.html']))
def test_unexpected_failures_observed_when_tree_is_hosed(self):
failures = ExpectedFailures()
failures.update(MockResults(['foo.html', 'banana.html'], failure_limit=2))
self.assertEqual(failures.unexpected_failures_observed(MockResults(['foo.html', 'bar.html'])), None)
self.assertEqual(failures.unexpected_failures_observed(MockResults(['baz.html'])), None)
unbounded_results = MockResults(['baz.html', 'qux.html', 'taco.html'], failure_limit=3)
self.assertEqual(failures.unexpected_failures_observed(unbounded_results), None)
unbounded_results_with_existing_failure = MockResults(['foo.html', 'baz.html', 'qux.html', 'taco.html'], failure_limit=4)
self.assertEqual(failures.unexpected_failures_observed(unbounded_results_with_existing_failure), None)
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