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#
# subunit: extensions to python unittest to get test results from subprocesses.
# Copyright (C) 2005 Robert Collins <robertc@robertcollins.net>
#
# Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
# license at the users choice. A copy of both licenses are available in the
# project source as Apache-2.0 and BSD. You may not use this file except in
# compliance with one of these two licences.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# license you chose for the specific language governing permissions and
# limitations under that license.
#
"""Tests for subunit.TestResultFilter."""
import unittest
from StringIO import StringIO
import subunit
from subunit.test_results import TestResultFilter
class TestTestResultFilter(unittest.TestCase):
"""Test for TestResultFilter, a TestResult object which filters tests."""
def _setUp(self):
self.output = StringIO()
def test_default(self):
"""The default is to exclude success and include everything else."""
self.filtered_result = unittest.TestResult()
self.filter = TestResultFilter(self.filtered_result)
self.run_tests()
# skips are seen as success by default python TestResult.
self.assertEqual(['error'],
[error[0].id() for error in self.filtered_result.errors])
self.assertEqual(['failed'],
[failure[0].id() for failure in
self.filtered_result.failures])
self.assertEqual(4, self.filtered_result.testsRun)
def test_exclude_errors(self):
self.filtered_result = unittest.TestResult()
self.filter = TestResultFilter(self.filtered_result,
filter_error=True)
self.run_tests()
# skips are seen as errors by default python TestResult.
self.assertEqual([], self.filtered_result.errors)
self.assertEqual(['failed'],
[failure[0].id() for failure in
self.filtered_result.failures])
self.assertEqual(3, self.filtered_result.testsRun)
def test_exclude_failure(self):
self.filtered_result = unittest.TestResult()
self.filter = TestResultFilter(self.filtered_result,
filter_failure=True)
self.run_tests()
self.assertEqual(['error'],
[error[0].id() for error in self.filtered_result.errors])
self.assertEqual([],
[failure[0].id() for failure in
self.filtered_result.failures])
self.assertEqual(3, self.filtered_result.testsRun)
def test_exclude_skips(self):
self.filtered_result = subunit.TestResultStats(None)
self.filter = TestResultFilter(self.filtered_result,
filter_skip=True)
self.run_tests()
self.assertEqual(0, self.filtered_result.skipped_tests)
self.assertEqual(2, self.filtered_result.failed_tests)
self.assertEqual(3, self.filtered_result.testsRun)
def test_include_success(self):
"""Success's can be included if requested."""
self.filtered_result = unittest.TestResult()
self.filter = TestResultFilter(self.filtered_result,
filter_success=False)
self.run_tests()
self.assertEqual(['error'],
[error[0].id() for error in self.filtered_result.errors])
self.assertEqual(['failed'],
[failure[0].id() for failure in
self.filtered_result.failures])
self.assertEqual(5, self.filtered_result.testsRun)
def test_filter_predicate(self):
"""You can filter by predicate callbacks"""
self.filtered_result = unittest.TestResult()
def filter_cb(test, outcome, err, details):
return outcome == 'success'
self.filter = TestResultFilter(self.filtered_result,
filter_predicate=filter_cb,
filter_success=False)
self.run_tests()
# Only success should pass
self.assertEqual(1, self.filtered_result.testsRun)
def run_tests(self):
self.setUpTestStream()
self.test = subunit.ProtocolTestCase(self.input_stream)
self.test.run(self.filter)
def setUpTestStream(self):
# While TestResultFilter works on python objects, using a subunit
# stream is an easy pithy way of getting a series of test objects to
# call into the TestResult, and as TestResultFilter is intended for
# use with subunit also has the benefit of detecting any interface
# skew issues.
self.input_stream = StringIO()
self.input_stream.write("""tags: global
test passed
success passed
test failed
tags: local
failure failed
test error
error error [
error details
]
test skipped
skip skipped
test todo
xfail todo
""")
self.input_stream.seek(0)
def test_suite():
loader = subunit.tests.TestUtil.TestLoader()
result = loader.loadTestsFromName(__name__)
return result
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