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# Copyright 2011 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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"""Tests for the load testing code."""
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from bzrlib import tests
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from bzrlib.tests import http_server
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from loggerhead import load_test
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class TestRequestDescription(tests.TestCase):
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def test_init_from_dict(self):
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rd = load_test.RequestDescription({'thread': '10', 'relpath': '/foo'})
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self.assertEqual('10', rd.thread)
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self.assertEqual('/foo', rd.relpath)
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def test_default_thread_is_1(self):
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rd = load_test.RequestDescription({'relpath': '/bar'})
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self.assertEqual('1', rd.thread)
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self.assertEqual('/bar', rd.relpath)
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_cur_time = time.time()
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"""Every time this timer is called, it increments by 1 second."""
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class NoopRequestWorker(load_test.RequestWorker):
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# Every call to _timer will increment by one
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_timer = staticmethod(one_sec_timer)
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# Ensure that process never does anything
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def process(self, url):
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class TestRequestWorkerInfrastructure(tests.TestCase):
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"""Tests various infrastructure bits, without doing actual requests."""
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def test_step_next_tracks_time(self):
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rt = NoopRequestWorker('id')
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self.assertTrue(rt.queue.empty())
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self.assertEqual([('item', True, 1.0)], rt.stats)
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def test_step_multiple_items(self):
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rt = NoopRequestWorker('id')
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rt.queue.put('next-item')
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self.assertTrue(rt.queue.empty())
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self.assertEqual([('item', True, 1.0), ('next-item', True, 1.0)],
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def test_step_next_does_nothing_for_noop(self):
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rt = NoopRequestWorker('id')
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rt.queue.put('<noop>')
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self.assertEqual([('item', True, 1.0)], rt.stats)
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def test_step_next_will_timeout(self):
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# We don't want step_next to block forever
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rt = NoopRequestWorker('id', blocking_time=0.001)
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self.assertRaises(Queue.Empty, rt.step_next)
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def test_run_stops_for_stop_event(self):
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rt = NoopRequestWorker('id', blocking_time=0.001, _queue_size=2)
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event = threading.Event()
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t = threading.Thread(target=rt.run, args=(event,))
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# Wait for the queue to be processed
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# Now we can queue up another one, and wait for it
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rt.queue.put('item3')
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# Now set the stopping event
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# Add another item to the queue, which might get processed, but the
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rt.queue.put('item4')
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rt.queue.put('item5')
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self.assertEqual([('item1', True, 1.0), ('item2', True, 1.0),
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('item3', True, 1.0)],
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# The last event might be item4 or might be item3, the important thing
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# is that even though there are still queued events, we won't
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# process anything past the first
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self.assertNotEqual('item5', rt.stats[-1][0])
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class TestRequestWorker(tests.TestCaseWithTransport):
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super(TestRequestWorker, self).setUp()
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self.transport_readonly_server = http_server.HttpServer
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def test_request_items(self):
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rt = load_test.RequestWorker('id', blocking_time=0.01, _queue_size=2)
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self.build_tree(['file1', 'file2'])
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readonly_url1 = self.get_readonly_url('file1')
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self.assertStartsWith(readonly_url1, 'http://')
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readonly_url2 = self.get_readonly_url('file2')
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rt.queue.put(readonly_url1)
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rt.queue.put(readonly_url2)
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self.assertEqual(readonly_url1, rt.stats[0][0])
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self.assertEqual(readonly_url2, rt.stats[1][0])
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def test_request_nonexistant_items(self):
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rt = load_test.RequestWorker('id', blocking_time=0.01, _queue_size=2)
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readonly_url1 = self.get_readonly_url('no-file1')
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rt.queue.put(readonly_url1)
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self.assertEqual(readonly_url1, rt.stats[0][0])
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self.assertEqual(False, rt.stats[0][1])
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def test_no_server(self):
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# Bind to a port, but don't listen on it
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s.bind(('localhost', 0))
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url = 'http://%s:%s/path' % s.getsockname()
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rt = load_test.RequestWorker('id', blocking_time=0.01, _queue_size=2)
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self.assertEqual((url, False), rt.stats[0][:2])
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class NoActionScript(load_test.ActionScript):
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_thread_class = NoopRequestWorker
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_default_blocking_timeout = 0.01
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class TestActionScriptInfrastructure(tests.TestCase):
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def test_parse_requires_parameters_and_requests(self):
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self.assertRaises(ValueError,
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load_test.ActionScript.parse, '')
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self.assertRaises(ValueError,
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load_test.ActionScript.parse, '{}')
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self.assertRaises(ValueError,
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load_test.ActionScript.parse, '{"parameters": {}}')
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self.assertRaises(ValueError,
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load_test.ActionScript.parse, '{"requests": []}')
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load_test.ActionScript.parse(
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'{"parameters": {}, "requests": [], "comment": "section"}')
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script = load_test.ActionScript.parse(
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self.assertIsNot(None, script)
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def test_parse_default_base_url(self):
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script = load_test.ActionScript.parse(empty_script)
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self.assertEqual('http://localhost:8080', script.base_url)
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def test_parse_find_base_url(self):
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script = load_test.ActionScript.parse(
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'{"parameters": {"base_url": "http://example.com"},'
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self.assertEqual('http://example.com', script.base_url)
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def test_parse_default_blocking_timeout(self):
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script = load_test.ActionScript.parse(empty_script)
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self.assertEqual(60.0, script.blocking_timeout)
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def test_parse_find_blocking_timeout(self):
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script = load_test.ActionScript.parse(
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'{"parameters": {"blocking_timeout": 10.0},'
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self.assertEqual(10.0, script.blocking_timeout)
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def test_parse_finds_requests(self):
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script = load_test.ActionScript.parse(
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'{"parameters": {}, "requests": ['
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' {"relpath": "/foo"},'
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' {"relpath": "/bar"}'
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self.assertEqual(2, len(script._requests))
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self.assertEqual("/foo", script._requests[0].relpath)
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self.assertEqual("/bar", script._requests[1].relpath)
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def test__get_worker(self):
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script = NoActionScript()
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# If an id is found, then we should create it
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self.assertEqual({}, script._threads)
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worker = script._get_worker('id')
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self.assertTrue('id' in script._threads)
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# We should have set the blocking timeout
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self.assertEqual(script.blocking_timeout / 10.0,
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worker.blocking_time)
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# Another request will return the identical object
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self.assertIs(worker, script._get_worker('id'))
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# And the stop event will stop the thread
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script.stop_and_join()
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def test__full_url(self):
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script = NoActionScript()
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self.assertEqual('http://localhost:8080/path',
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script._full_url('/path'))
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self.assertEqual('http://localhost:8080/path/to/foo',
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script._full_url('/path/to/foo'))
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script.base_url = 'http://example.com'
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self.assertEqual('http://example.com/path/to/foo',
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script._full_url('/path/to/foo'))
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script.base_url = 'http://example.com/base'
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self.assertEqual('http://example.com/base/path/to/foo',
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script._full_url('/path/to/foo'))
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script.base_url = 'http://example.com'
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self.assertEqual('http://example.com:8080/path',
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script._full_url(':8080/path'))
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def test_single_threaded(self):
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script = NoActionScript.parse("""{
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"parameters": {"base_url": ""},
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{"thread": "1", "relpath": "first"},
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{"thread": "1", "relpath": "second"},
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{"thread": "1", "relpath": "third"},
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{"thread": "1", "relpath": "fourth"}
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worker = script._get_worker("1")
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self.assertEqual(["first", "second", "third", "fourth"],
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[s[0] for s in worker.stats])
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def test_two_threads(self):
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script = NoActionScript.parse("""{
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"parameters": {"base_url": ""},
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{"thread": "1", "relpath": "first"},
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{"thread": "2", "relpath": "second"},
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{"thread": "1", "relpath": "third"},
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{"thread": "2", "relpath": "fourth"}
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worker = script._get_worker("1")
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self.assertEqual(["first", "third"],
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[s[0] for s in worker.stats])
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worker = script._get_worker("2")
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self.assertEqual(["second", "fourth"],
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[s[0] for s in worker.stats])
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class TestActionScriptIntegration(tests.TestCaseWithTransport):
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super(TestActionScriptIntegration, self).setUp()
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self.transport_readonly_server = http_server.HttpServer
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def test_full_integration(self):
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self.build_tree(['first', 'second', 'third', 'fourth'])
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url = self.get_readonly_url()
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script = load_test.ActionScript.parse("""{
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"parameters": {"base_url": "%s", "blocking_timeout": 2.0},
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{"thread": "1", "relpath": "first"},
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{"thread": "2", "relpath": "second"},
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{"thread": "1", "relpath": "no-this"},
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{"thread": "2", "relpath": "or-this"},
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{"thread": "1", "relpath": "third"},
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{"thread": "2", "relpath": "fourth"}
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worker = script._get_worker("1")
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self.assertEqual([("first", True), ('no-this', False),
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[(s[0].rsplit('/', 1)[1], s[1])
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for s in worker.stats])
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worker = script._get_worker("2")
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self.assertEqual([("second", True), ('or-this', False),
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[(s[0].rsplit('/', 1)[1], s[1])
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for s in worker.stats])
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class TestRunScript(tests.TestCaseWithTransport):
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super(TestRunScript, self).setUp()
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self.transport_readonly_server = http_server.HttpServer
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def test_run_script(self):
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self.build_tree(['file1', 'file2', 'file3', 'file4'])
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url = self.get_readonly_url()
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self.build_tree_contents([('localhost.script', """{
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"parameters": {"base_url": "%s", "blocking_timeout": 0.1},
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{"thread": "1", "relpath": "file1"},
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{"thread": "2", "relpath": "file2"},
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{"thread": "1", "relpath": "file3"},
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{"thread": "2", "relpath": "file4"}
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script = load_test.run_script('localhost.script')
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worker = script._threads["1"][0]
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self.assertEqual([("file1", True), ('file3', True)],
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[(s[0].rsplit('/', 1)[1], s[1])
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for s in worker.stats])
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worker = script._threads["2"][0]
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self.assertEqual([("file2", True), ("file4", True)],
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[(s[0].rsplit('/', 1)[1], s[1])
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for s in worker.stats])
added
removed
loggerhead/tests/test_load_test.py
