218 lines
7.1 KiB
Python
218 lines
7.1 KiB
Python
# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Unittests for test_dispatcher.py."""
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import os
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import sys
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import unittest
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sys.path.append(os.path.join(os.path.dirname(os.path.realpath(__file__)),
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os.pardir, os.pardir))
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# Mock out android_commands.GetAttachedDevices().
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from pylib import android_commands
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android_commands.GetAttachedDevices = lambda: ['0', '1']
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from pylib import constants
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from pylib.utils import watchdog_timer
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import base_test_result
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import test_dispatcher
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class TestException(Exception):
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pass
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class MockRunner(object):
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"""A mock TestRunner."""
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def __init__(self, device='0', shard_index=0):
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self.device = device
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self.shard_index = shard_index
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self.setups = 0
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self.teardowns = 0
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def RunTest(self, test):
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results = base_test_result.TestRunResults()
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results.AddResult(
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base_test_result.BaseTestResult(test, base_test_result.ResultType.PASS))
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return (results, None)
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def SetUp(self):
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self.setups += 1
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def TearDown(self):
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self.teardowns += 1
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class MockRunnerFail(MockRunner):
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def RunTest(self, test):
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results = base_test_result.TestRunResults()
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results.AddResult(
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base_test_result.BaseTestResult(test, base_test_result.ResultType.FAIL))
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return (results, test)
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class MockRunnerFailTwice(MockRunner):
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def __init__(self, device='0', shard_index=0):
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super(MockRunnerFailTwice, self).__init__(device, shard_index)
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self._fails = 0
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def RunTest(self, test):
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self._fails += 1
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results = base_test_result.TestRunResults()
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if self._fails <= 2:
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results.AddResult(base_test_result.BaseTestResult(
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test, base_test_result.ResultType.FAIL))
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return (results, test)
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else:
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results.AddResult(base_test_result.BaseTestResult(
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test, base_test_result.ResultType.PASS))
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return (results, None)
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class MockRunnerException(MockRunner):
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def RunTest(self, test):
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raise TestException
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class TestFunctions(unittest.TestCase):
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"""Tests test_dispatcher._RunTestsFromQueue."""
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@staticmethod
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def _RunTests(mock_runner, tests):
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results = []
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tests = test_dispatcher._TestCollection(
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[test_dispatcher._Test(t) for t in tests])
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test_dispatcher._RunTestsFromQueue(mock_runner, tests, results,
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watchdog_timer.WatchdogTimer(None), 2)
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run_results = base_test_result.TestRunResults()
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for r in results:
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run_results.AddTestRunResults(r)
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return run_results
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def testRunTestsFromQueue(self):
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results = TestFunctions._RunTests(MockRunner(), ['a', 'b'])
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self.assertEqual(len(results.GetPass()), 2)
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self.assertEqual(len(results.GetNotPass()), 0)
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def testRunTestsFromQueueRetry(self):
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results = TestFunctions._RunTests(MockRunnerFail(), ['a', 'b'])
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self.assertEqual(len(results.GetPass()), 0)
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self.assertEqual(len(results.GetFail()), 2)
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def testRunTestsFromQueueFailTwice(self):
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results = TestFunctions._RunTests(MockRunnerFailTwice(), ['a', 'b'])
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self.assertEqual(len(results.GetPass()), 2)
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self.assertEqual(len(results.GetNotPass()), 0)
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def testSetUp(self):
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runners = []
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counter = test_dispatcher._ThreadSafeCounter()
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test_dispatcher._SetUp(MockRunner, '0', runners, counter)
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self.assertEqual(len(runners), 1)
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self.assertEqual(runners[0].setups, 1)
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def testThreadSafeCounter(self):
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counter = test_dispatcher._ThreadSafeCounter()
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for i in xrange(5):
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self.assertEqual(counter.GetAndIncrement(), i)
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class TestThreadGroupFunctions(unittest.TestCase):
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"""Tests test_dispatcher._RunAllTests and test_dispatcher._CreateRunners."""
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def setUp(self):
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self.tests = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
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shared_test_collection = test_dispatcher._TestCollection(
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[test_dispatcher._Test(t) for t in self.tests])
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self.test_collection_factory = lambda: shared_test_collection
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def testCreate(self):
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runners = test_dispatcher._CreateRunners(MockRunner, ['0', '1'])
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for runner in runners:
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self.assertEqual(runner.setups, 1)
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self.assertEqual(set([r.device for r in runners]),
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set(['0', '1']))
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self.assertEqual(set([r.shard_index for r in runners]),
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set([0, 1]))
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def testRun(self):
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runners = [MockRunner('0'), MockRunner('1')]
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results, exit_code = test_dispatcher._RunAllTests(
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runners, self.test_collection_factory, 0)
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self.assertEqual(len(results.GetPass()), len(self.tests))
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self.assertEqual(exit_code, 0)
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def testTearDown(self):
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runners = [MockRunner('0'), MockRunner('1')]
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test_dispatcher._TearDownRunners(runners)
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for runner in runners:
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self.assertEqual(runner.teardowns, 1)
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def testRetry(self):
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runners = test_dispatcher._CreateRunners(MockRunnerFail, ['0', '1'])
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results, exit_code = test_dispatcher._RunAllTests(
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runners, self.test_collection_factory, 0)
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self.assertEqual(len(results.GetFail()), len(self.tests))
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self.assertEqual(exit_code, constants.ERROR_EXIT_CODE)
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def testReraise(self):
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runners = test_dispatcher._CreateRunners(MockRunnerException, ['0', '1'])
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with self.assertRaises(TestException):
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test_dispatcher._RunAllTests(runners, self.test_collection_factory, 0)
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class TestShard(unittest.TestCase):
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"""Tests test_dispatcher.RunTests with sharding."""
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@staticmethod
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def _RunShard(runner_factory):
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return test_dispatcher.RunTests(
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['a', 'b', 'c'], runner_factory, False, None, shard=True)
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def testShard(self):
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results, exit_code = TestShard._RunShard(MockRunner)
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self.assertEqual(len(results.GetPass()), 3)
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self.assertEqual(exit_code, 0)
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def testFailing(self):
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results, exit_code = TestShard._RunShard(MockRunnerFail)
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self.assertEqual(len(results.GetPass()), 0)
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self.assertEqual(len(results.GetFail()), 3)
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self.assertEqual(exit_code, constants.ERROR_EXIT_CODE)
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def testNoTests(self):
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results, exit_code = test_dispatcher.RunTests(
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[], MockRunner, False, None, shard=True)
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self.assertEqual(len(results.GetAll()), 0)
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self.assertEqual(exit_code, constants.ERROR_EXIT_CODE)
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class TestReplicate(unittest.TestCase):
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"""Tests test_dispatcher.RunTests with replication."""
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@staticmethod
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def _RunReplicate(runner_factory):
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return test_dispatcher.RunTests(
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['a', 'b', 'c'], runner_factory, False, None, shard=False)
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def testReplicate(self):
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results, exit_code = TestReplicate._RunReplicate(MockRunner)
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# We expect 6 results since each test should have been run on every device
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self.assertEqual(len(results.GetPass()), 6)
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self.assertEqual(exit_code, 0)
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def testFailing(self):
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results, exit_code = TestReplicate._RunReplicate(MockRunnerFail)
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self.assertEqual(len(results.GetPass()), 0)
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self.assertEqual(len(results.GetFail()), 6)
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self.assertEqual(exit_code, constants.ERROR_EXIT_CODE)
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def testNoTests(self):
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results, exit_code = test_dispatcher.RunTests(
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[], MockRunner, False, None, shard=False)
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self.assertEqual(len(results.GetAll()), 0)
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self.assertEqual(exit_code, constants.ERROR_EXIT_CODE)
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if __name__ == '__main__':
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unittest.main()
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