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#
# subunit: extensions to python unittest to get test results from subprocesses.
# Copyright (C) 2011 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.
#
import io
import unittest
from testtools import PlaceHolder, TestCase
from testtools.compat import _b
from testtools.matchers import StartsWith
from testtools.testresult.doubles import StreamResult
import subunit
from subunit import run
from subunit.run import SubunitTestRunner
class TestSubunitTestRunner(TestCase):
def test_includes_timing_output(self):
bytestream = io.BytesIO()
runner = SubunitTestRunner(stream=bytestream)
test = PlaceHolder('name')
runner.run(test)
bytestream.seek(0)
eventstream = StreamResult()
subunit.ByteStreamToStreamResult(bytestream).run(eventstream)
timestamps = [event[-1] for event in eventstream._events
if event is not None]
self.assertNotEqual([], timestamps)
def test_enumerates_tests_before_run(self):
bytestream = io.BytesIO()
runner = SubunitTestRunner(stream=bytestream)
test1 = PlaceHolder('name1')
test2 = PlaceHolder('name2')
case = unittest.TestSuite([test1, test2])
runner.run(case)
bytestream.seek(0)
eventstream = StreamResult()
subunit.ByteStreamToStreamResult(bytestream).run(eventstream)
self.assertEqual([
('status', 'name1', 'exists'),
('status', 'name2', 'exists'),
], [event[:3] for event in eventstream._events[:2]])
def test_list_errors_if_errors_from_list_test(self):
bytestream = io.BytesIO()
runner = SubunitTestRunner(stream=bytestream)
def list_test(test):
return [], ['failed import']
self.patch(run, 'list_test', list_test)
exc = self.assertRaises(SystemExit, runner.list, None)
self.assertEqual((2,), exc.args)
def test_list_includes_loader_errors(self):
bytestream = io.BytesIO()
runner = SubunitTestRunner(stream=bytestream)
def list_test(test):
return [], []
class Loader:
errors = ['failed import']
loader = Loader()
self.patch(run, 'list_test', list_test)
exc = self.assertRaises(SystemExit, runner.list, None, loader=loader)
self.assertEqual((2,), exc.args)
class FailingTest(TestCase):
def test_fail(self):
1/0
def test_exits_zero_when_tests_fail(self):
bytestream = io.BytesIO()
stream = io.TextIOWrapper(bytestream, encoding="utf8")
try:
self.assertEqual(None, run.main(
argv=["progName", "subunit.tests.test_run.TestSubunitTestRunner.FailingTest"],
stdout=stream))
except SystemExit:
self.fail("SystemExit raised")
self.assertThat(bytestream.getvalue(), StartsWith(_b('\xb3')))
class ExitingTest(TestCase):
def test_exit(self):
raise SystemExit(0)
def test_exits_nonzero_when_execution_errors(self):
bytestream = io.BytesIO()
stream = io.TextIOWrapper(bytestream, encoding="utf8")
exc = self.assertRaises(SystemExit, run.main,
argv=["progName", "subunit.tests.test_run.TestSubunitTestRunner.ExitingTest"],
stdout=stream)
self.assertEqual(0, exc.args[0])
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