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# Copyright 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Test the run_tests module."""
from __future__ import print_function
import mock
import os
from chromite.cbuildbot import run_tests
from chromite.lib import cros_test_lib
from chromite.lib import osutils
class RunTestsTest(cros_test_lib.MockTestCase):
"""Tests for the RunTests() func"""
def testDryrun(self):
"""Verify dryrun doesn't do anything crazy."""
self.PatchObject(run_tests, 'RunTest', side_effect=Exception('do not run'))
ret = run_tests.RunTests(['/bin/false'], dryrun=True)
self.assertTrue(ret)
class FindTestsTest(cros_test_lib.TempDirTestCase):
"""Tests for the FindTests() func"""
def testNames(self):
"""We only look for *_unittest."""
for f in ('foo', 'foo_unittests', 'bar_unittest', 'cow_unittest'):
osutils.Touch(os.path.join(self.tempdir, f))
found = run_tests.FindTests(search_paths=(self.tempdir,))
self.assertEqual(sorted(found), ['./bar_unittest', './cow_unittest'])
def testSubdirs(self):
"""We should recurse into subdirs."""
for f in ('bar_unittest', 'somw/dir/a/cow_unittest'):
osutils.Touch(os.path.join(self.tempdir, f), makedirs=True)
found = run_tests.FindTests(search_paths=(self.tempdir,))
self.assertEqual(sorted(found),
['./bar_unittest', 'somw/dir/a/cow_unittest'])
def testIgnores(self):
"""Verify we skip ignored dirs."""
for f in ('foo', 'bar_unittest'):
osutils.Touch(os.path.join(self.tempdir, f))
# Make sure it works first.
found = run_tests.FindTests(search_paths=(self.tempdir,))
self.assertEqual(sorted(found), ['./bar_unittest'])
# Mark the dir ignored.
osutils.Touch(os.path.join(self.tempdir, '.testignore'))
# Make sure we ignore it.
found = run_tests.FindTests(search_paths=(self.tempdir,))
self.assertEqual(list(found), [])
class SortTest(cros_test_lib.TempDirTestCase):
"""Tests for the SortTests() func"""
def SortTests(self, tests, **kwargs):
"""Helper to set cache file to a local temp one"""
kwargs['timing_cache_file'] = os.path.join(self.tempdir, 'cache.json')
return run_tests.SortTests(tests, **kwargs)
def testEmpty(self):
"""Verify handling of empty test lists"""
self.SortTests([])
self.SortTests([], jobs=100)
def testSmallSet(self):
"""Do nothing when number of tests is lower than number of jobs."""
tests = ['small', 'test', 'list', 'is', 'ignored']
ret = self.SortTests(tests, jobs=100)
self.assertEqual(tests, ret)
def testOddSet(self):
"""Verify we can sort odd number of tests."""
tests = ['1', '2', '3']
ret = self.SortTests(tests, jobs=1)
self.assertEqual(set(tests), set(ret))
def testEvenSet(self):
"""Verify we can sort even number of tests."""
tests = ['1', '2', '3', '4']
ret = self.SortTests(tests, jobs=1)
self.assertEqual(set(tests), set(ret))
class MainTest(cros_test_lib.MockOutputTestCase):
"""Tests for the main() func"""
def setUp(self):
self.PatchObject(run_tests, '_ReExecuteIfNeeded')
self.PatchObject(run_tests, 'ChrootAvailable', return_value=True)
def testList(self):
"""Verify --list works"""
self.PatchObject(run_tests, 'RunTests', side_effect=Exception('do not run'))
with self.OutputCapturer() as output:
run_tests.main(['--list'])
# Verify some reasonable number of lines showed up.
self.assertGreater(len(output.GetStdoutLines()), 90)
def testMisc(self):
"""Verify basic flags get passed down correctly"""
m = self.PatchObject(run_tests, 'RunTests', return_value=True)
run_tests.main(['--network'])
m.assert_called_with(mock.ANY, jobs=mock.ANY, chroot_available=mock.ANY,
network=True, dryrun=False, failfast=False)
run_tests.main(['--dry-run'])
m.assert_called_with(mock.ANY, jobs=mock.ANY, chroot_available=mock.ANY,
network=False, dryrun=True, failfast=False)
run_tests.main(['--jobs', '1000'])
m.assert_called_with(mock.ANY, jobs=1000, chroot_available=mock.ANY,
network=False, dryrun=False, failfast=False)
run_tests.main(['--failfast'])
m.assert_called_with(mock.ANY, jobs=mock.ANY, chroot_available=mock.ANY,
network=False, dryrun=False, failfast=True)
def testUnknownArg(self):
"""Verify we kick out unknown args"""
self.PatchObject(run_tests, 'RunTests', side_effect=Exception('do not run'))
bad_arg = '--foasdf'
exit_code = None
# Only run the main code w/the capturer enabled so we don't swallow
# general test output.
with self.OutputCapturer():
try:
run_tests.main([bad_arg])
except SystemExit as e:
exit_code = e.code
self.assertNotEqual(exit_code, 0,
msg='run_tests wrongly accepted %s' % bad_arg)
def testQuick(self):
"""Verify --quick filters out slow tests"""
self.PatchObject(run_tests, 'RunTests', return_value=True)
# Pick a test that is in SLOW_TESTS but not in SPECIAL_TESTS.
slow_test = 'lib/patch_unittest'
self.assertIn(slow_test, run_tests.SLOW_TESTS)
self.assertNotIn(slow_test, run_tests.SPECIAL_TESTS)
run_tests.main(['--quick'])
self.assertIn(slow_test, run_tests.SPECIAL_TESTS)
def testSpecificTests(self):
"""Verify user specified tests are run."""
m = self.PatchObject(run_tests, 'RunTests', return_value=True)
tests = ['./some/foo_unittest', './bar_unittest']
run_tests.main(tests)
m.assert_called_with(tests, jobs=mock.ANY, chroot_available=mock.ANY,
network=mock.ANY, dryrun=mock.ANY, failfast=mock.ANY)
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