X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f8af0c6c331d5b52deab50abf7afa8c7881cddfb..a5401e349b25eb0464b06fd291e9c1a18fb494aa:/sdk/python/tests/test_keep_client.py diff --git a/sdk/python/tests/test_keep_client.py b/sdk/python/tests/test_keep_client.py index 37f274a161..c44379bac7 100644 --- a/sdk/python/tests/test_keep_client.py +++ b/sdk/python/tests/test_keep_client.py @@ -1,14 +1,19 @@ import hashlib import mock import os +import pycurl +import random import re import socket +import threading +import time import unittest import urlparse import arvados import arvados.retry import arvados_testutil as tutil +import keepstub import run_test_server class KeepTestCase(run_test_server.TestCaseWithServers): @@ -75,6 +80,21 @@ class KeepTestCase(run_test_server.TestCaseWithServers): '^d41d8cd98f00b204e9800998ecf8427e\+0', ('wrong locator from Keep.put(""): ' + blob_locator)) + def test_unicode_must_be_ascii(self): + # If unicode type, must only consist of valid ASCII + foo_locator = self.keep_client.put(u'foo') + self.assertRegexpMatches( + foo_locator, + '^acbd18db4cc2f85cedef654fccc4a4d8\+3', + 'wrong md5 hash from Keep.put("foo"): ' + foo_locator) + + with self.assertRaises(UnicodeEncodeError): + # Error if it is not ASCII + self.keep_client.put(u'\xe2') + + with self.assertRaises(arvados.errors.ArgumentError): + # Must be a string type + self.keep_client.put({}) class KeepPermissionTestCase(run_test_server.TestCaseWithServers): MAIN_SERVER = {} @@ -188,11 +208,12 @@ class KeepOptionalPermission(run_test_server.TestCaseWithServers): class KeepProxyTestCase(run_test_server.TestCaseWithServers): MAIN_SERVER = {} KEEP_SERVER = {} - KEEP_PROXY_SERVER = {'auth': 'admin'} + KEEP_PROXY_SERVER = {} @classmethod def setUpClass(cls): super(KeepProxyTestCase, cls).setUpClass() + run_test_server.authorize_with('active') cls.api_client = arvados.api('v1') def tearDown(self): @@ -231,104 +252,85 @@ class KeepProxyTestCase(run_test_server.TestCaseWithServers): self.assertTrue(keep_client.using_proxy) -class KeepClientServiceTestCase(unittest.TestCase): - def mock_keep_services(self, *services): - api_client = mock.MagicMock(name='api_client') - api_client.keep_services().accessible().execute.return_value = { - 'items_available': len(services), - 'items': [{ - 'uuid': 'zzzzz-bi6l4-{:015x}'.format(index), - 'owner_uuid': 'zzzzz-tpzed-000000000000000', - 'service_host': host, - 'service_port': port, - 'service_ssl_flag': ssl, - 'service_type': servtype, - } for index, (host, port, ssl, servtype) - in enumerate(services)], - } - return api_client - - def mock_n_keep_disks(self, service_count): - return self.mock_keep_services( - *[("keep0x{:x}".format(index), 80, False, 'disk') - for index in range(service_count)]) - - def get_service_roots(self, *services): - api_client = self.mock_keep_services(*services) +class KeepClientServiceTestCase(unittest.TestCase, tutil.ApiClientMock): + def get_service_roots(self, api_client): keep_client = arvados.KeepClient(api_client=api_client) - services = keep_client.weighted_service_roots('000000') + services = keep_client.weighted_service_roots(arvados.KeepLocator('0'*32)) return [urlparse.urlparse(url) for url in sorted(services)] def test_ssl_flag_respected_in_roots(self): - services = self.get_service_roots(('keep', 10, False, 'disk'), - ('keep', 20, True, 'disk')) - self.assertEqual(10, services[0].port) - self.assertEqual('http', services[0].scheme) - self.assertEqual(20, services[1].port) - self.assertEqual('https', services[1].scheme) + for ssl_flag in [False, True]: + services = self.get_service_roots(self.mock_keep_services( + service_ssl_flag=ssl_flag)) + self.assertEqual( + ('https' if ssl_flag else 'http'), services[0].scheme) def test_correct_ports_with_ipv6_addresses(self): - service = self.get_service_roots(('100::1', 10, True, 'proxy'))[0] + service = self.get_service_roots(self.mock_keep_services( + service_type='proxy', service_host='100::1', service_port=10, count=1))[0] self.assertEqual('100::1', service.hostname) self.assertEqual(10, service.port) - # test_get_timeout and test_put_timeout test that - # KeepClient.get and KeepClient.put use the appropriate timeouts - # when connected directly to a Keep server (i.e. non-proxy timeout) + # test_*_timeout verify that KeepClient instructs pycurl to use + # the appropriate connection and read timeouts. They don't care + # whether pycurl actually exhibits the expected timeout behavior + # -- those tests are in the KeepClientTimeout test class. def test_get_timeout(self): - api_client = self.mock_keep_services(('keep', 10, False, 'disk')) - keep_client = arvados.KeepClient(api_client=api_client) - force_timeout = [socket.timeout("timed out")] - with mock.patch('requests.get', side_effect=force_timeout) as mock_request: + api_client = self.mock_keep_services(count=1) + force_timeout = socket.timeout("timed out") + with tutil.mock_keep_responses(force_timeout, 0) as mock: + keep_client = arvados.KeepClient(api_client=api_client) with self.assertRaises(arvados.errors.KeepReadError): keep_client.get('ffffffffffffffffffffffffffffffff') - self.assertTrue(mock_request.called) self.assertEqual( - arvados.KeepClient.DEFAULT_TIMEOUT, - mock_request.call_args[1]['timeout']) + mock.responses[0].getopt(pycurl.CONNECTTIMEOUT_MS), + int(arvados.KeepClient.DEFAULT_TIMEOUT[0]*1000)) + self.assertEqual( + mock.responses[0].getopt(pycurl.TIMEOUT_MS), + int(arvados.KeepClient.DEFAULT_TIMEOUT[1]*1000)) def test_put_timeout(self): - api_client = self.mock_keep_services(('keep', 10, False, 'disk')) - keep_client = arvados.KeepClient(api_client=api_client) - force_timeout = [socket.timeout("timed out")] - with mock.patch('requests.put', side_effect=force_timeout) as mock_request: + api_client = self.mock_keep_services(count=1) + force_timeout = socket.timeout("timed out") + with tutil.mock_keep_responses(force_timeout, 0) as mock: + keep_client = arvados.KeepClient(api_client=api_client) with self.assertRaises(arvados.errors.KeepWriteError): keep_client.put('foo') - self.assertTrue(mock_request.called) self.assertEqual( - arvados.KeepClient.DEFAULT_TIMEOUT, - mock_request.call_args[1]['timeout']) + mock.responses[0].getopt(pycurl.CONNECTTIMEOUT_MS), + int(arvados.KeepClient.DEFAULT_TIMEOUT[0]*1000)) + self.assertEqual( + mock.responses[0].getopt(pycurl.TIMEOUT_MS), + int(arvados.KeepClient.DEFAULT_TIMEOUT[1]*1000)) def test_proxy_get_timeout(self): - # Force a timeout, verifying that the requests.get or - # requests.put method was called with the proxy_timeout - # setting rather than the default timeout. - api_client = self.mock_keep_services(('keep', 10, False, 'proxy')) - keep_client = arvados.KeepClient(api_client=api_client) - force_timeout = [socket.timeout("timed out")] - with mock.patch('requests.get', side_effect=force_timeout) as mock_request: + api_client = self.mock_keep_services(service_type='proxy', count=1) + force_timeout = socket.timeout("timed out") + with tutil.mock_keep_responses(force_timeout, 0) as mock: + keep_client = arvados.KeepClient(api_client=api_client) with self.assertRaises(arvados.errors.KeepReadError): keep_client.get('ffffffffffffffffffffffffffffffff') - self.assertTrue(mock_request.called) self.assertEqual( - arvados.KeepClient.DEFAULT_PROXY_TIMEOUT, - mock_request.call_args[1]['timeout']) + mock.responses[0].getopt(pycurl.CONNECTTIMEOUT_MS), + int(arvados.KeepClient.DEFAULT_PROXY_TIMEOUT[0]*1000)) + self.assertEqual( + mock.responses[0].getopt(pycurl.TIMEOUT_MS), + int(arvados.KeepClient.DEFAULT_PROXY_TIMEOUT[1]*1000)) def test_proxy_put_timeout(self): - # Force a timeout, verifying that the requests.get or - # requests.put method was called with the proxy_timeout - # setting rather than the default timeout. - api_client = self.mock_keep_services(('keep', 10, False, 'proxy')) - keep_client = arvados.KeepClient(api_client=api_client) - force_timeout = [socket.timeout("timed out")] - with mock.patch('requests.put', side_effect=force_timeout) as mock_request: + api_client = self.mock_keep_services(service_type='proxy', count=1) + force_timeout = socket.timeout("timed out") + with tutil.mock_keep_responses(force_timeout, 0) as mock: + keep_client = arvados.KeepClient(api_client=api_client) with self.assertRaises(arvados.errors.KeepWriteError): keep_client.put('foo') - self.assertTrue(mock_request.called) self.assertEqual( - arvados.KeepClient.DEFAULT_PROXY_TIMEOUT, - mock_request.call_args[1]['timeout']) + mock.responses[0].getopt(pycurl.CONNECTTIMEOUT_MS), + int(arvados.KeepClient.DEFAULT_PROXY_TIMEOUT[0]*1000)) + self.assertEqual( + mock.responses[0].getopt(pycurl.TIMEOUT_MS), + int(arvados.KeepClient.DEFAULT_PROXY_TIMEOUT[1]*1000)) def test_probe_order_reference_set(self): # expected_order[i] is the probe order for @@ -346,10 +348,10 @@ class KeepClientServiceTestCase(unittest.TestCase): hashes = [ hashlib.md5("{:064x}".format(x)).hexdigest() for x in range(len(expected_order))] - api_client = self.mock_n_keep_disks(16) + api_client = self.mock_keep_services(count=16) keep_client = arvados.KeepClient(api_client=api_client) for i, hash in enumerate(hashes): - roots = keep_client.weighted_service_roots(hash) + roots = keep_client.weighted_service_roots(arvados.KeepLocator(hash)) got_order = [ re.search(r'//\[?keep0x([0-9a-f]+)', root).group(1) for root in roots] @@ -359,17 +361,17 @@ class KeepClientServiceTestCase(unittest.TestCase): hashes = [ hashlib.md5("{:064x}".format(x)).hexdigest() for x in range(100)] initial_services = 12 - api_client = self.mock_n_keep_disks(initial_services) + api_client = self.mock_keep_services(count=initial_services) keep_client = arvados.KeepClient(api_client=api_client) probes_before = [ - keep_client.weighted_service_roots(hash) for hash in hashes] + keep_client.weighted_service_roots(arvados.KeepLocator(hash)) for hash in hashes] for added_services in range(1, 12): - api_client = self.mock_n_keep_disks(initial_services+added_services) + api_client = self.mock_keep_services(count=initial_services+added_services) keep_client = arvados.KeepClient(api_client=api_client) total_penalty = 0 for hash_index in range(len(hashes)): probe_after = keep_client.weighted_service_roots( - hashes[hash_index]) + arvados.KeepLocator(hashes[hash_index])) penalty = probe_after.index(probes_before[hash_index][0]) self.assertLessEqual(penalty, added_services) total_penalty += penalty @@ -398,15 +400,17 @@ class KeepClientServiceTestCase(unittest.TestCase): data = '0' * 64 if verb == 'get': data = hashlib.md5(data).hexdigest() + '+1234' - api_client = self.mock_n_keep_disks(16) + # Arbitrary port number: + aport = random.randint(1024,65535) + api_client = self.mock_keep_services(service_port=aport, count=16) keep_client = arvados.KeepClient(api_client=api_client) - with mock.patch('requests.' + verb, - side_effect=socket.timeout) as req_mock, \ - self.assertRaises(exc_class) as err_check: + with mock.patch('pycurl.Curl') as curl_mock, \ + self.assertRaises(exc_class) as err_check: + curl_mock.return_value.side_effect = socket.timeout getattr(keep_client, verb)(data) urls = [urlparse.urlparse(url) - for url in err_check.exception.service_errors()] - self.assertEqual([('keep0x' + c, 80) for c in '3eab2d5fc9681074'], + for url in err_check.exception.request_errors()] + self.assertEqual([('keep0x' + c, aport) for c in '3eab2d5fc9681074'], [(url.hostname, url.port) for url in urls]) def test_get_error_shows_probe_order(self): @@ -422,7 +426,7 @@ class KeepClientServiceTestCase(unittest.TestCase): keep_client = arvados.KeepClient(api_client=api_client) with self.assertRaises(exc_class) as err_check: getattr(keep_client, verb)('d41d8cd98f00b204e9800998ecf8427e+0') - self.assertEqual(0, len(err_check.exception.service_errors())) + self.assertEqual(0, len(err_check.exception.request_errors())) def test_get_error_with_no_services(self): self.check_no_services_error('get', arvados.errors.KeepReadError) @@ -431,17 +435,17 @@ class KeepClientServiceTestCase(unittest.TestCase): self.check_no_services_error('put', arvados.errors.KeepWriteError) def check_errors_from_last_retry(self, verb, exc_class): - api_client = self.mock_n_keep_disks(2) - keep_client = arvados.KeepClient(api_client=api_client) - req_mock = getattr(tutil, 'mock_{}_responses'.format(verb))( + api_client = self.mock_keep_services(count=2) + req_mock = tutil.mock_keep_responses( "retry error reporting test", 500, 500, 403, 403) with req_mock, tutil.skip_sleep, \ self.assertRaises(exc_class) as err_check: + keep_client = arvados.KeepClient(api_client=api_client) getattr(keep_client, verb)('d41d8cd98f00b204e9800998ecf8427e+0', num_retries=3) self.assertEqual([403, 403], [ getattr(error, 'status_code', None) - for error in err_check.exception.service_errors().itervalues()]) + for error in err_check.exception.request_errors().itervalues()]) def test_get_error_reflects_last_retry(self): self.check_errors_from_last_retry('get', arvados.errors.KeepReadError) @@ -452,12 +456,169 @@ class KeepClientServiceTestCase(unittest.TestCase): def test_put_error_does_not_include_successful_puts(self): data = 'partial failure test' data_loc = '{}+{}'.format(hashlib.md5(data).hexdigest(), len(data)) - api_client = self.mock_n_keep_disks(3) - keep_client = arvados.KeepClient(api_client=api_client) - with tutil.mock_put_responses(data_loc, 200, 500, 500) as req_mock, \ + api_client = self.mock_keep_services(count=3) + with tutil.mock_keep_responses(data_loc, 200, 500, 500) as req_mock, \ self.assertRaises(arvados.errors.KeepWriteError) as exc_check: + keep_client = arvados.KeepClient(api_client=api_client) keep_client.put(data) - self.assertEqual(2, len(exc_check.exception.service_errors())) + self.assertEqual(2, len(exc_check.exception.request_errors())) + + def test_proxy_put_with_no_writable_services(self): + data = 'test with no writable services' + data_loc = '{}+{}'.format(hashlib.md5(data).hexdigest(), len(data)) + api_client = self.mock_keep_services(service_type='proxy', read_only=True, count=1) + with tutil.mock_keep_responses(data_loc, 200, 500, 500) as req_mock, \ + self.assertRaises(arvados.errors.KeepWriteError) as exc_check: + keep_client = arvados.KeepClient(api_client=api_client) + keep_client.put(data) + self.assertEqual(True, ("no Keep services available" in str(exc_check.exception))) + self.assertEqual(0, len(exc_check.exception.request_errors())) + +class KeepClientTimeout(unittest.TestCase, tutil.ApiClientMock): + DATA = 'x' * 2**10 + + class assertTakesBetween(unittest.TestCase): + def __init__(self, tmin, tmax): + self.tmin = tmin + self.tmax = tmax + + def __enter__(self): + self.t0 = time.time() + + def __exit__(self, *args, **kwargs): + self.assertGreater(time.time() - self.t0, self.tmin) + self.assertLess(time.time() - self.t0, self.tmax) + + def setUp(self): + sock = socket.socket() + sock.bind(('0.0.0.0', 0)) + self.port = sock.getsockname()[1] + sock.close() + self.server = keepstub.Server(('0.0.0.0', self.port), keepstub.Handler) + self.thread = threading.Thread(target=self.server.serve_forever) + self.thread.daemon = True # Exit thread if main proc exits + self.thread.start() + self.api_client = self.mock_keep_services( + count=1, + service_host='localhost', + service_port=self.port, + ) + + def tearDown(self): + self.server.shutdown() + + def keepClient(self, timeouts=(0.1, 1.0)): + return arvados.KeepClient( + api_client=self.api_client, + timeout=timeouts) + + def test_timeout_slow_connect(self): + # Can't simulate TCP delays with our own socket. Leave our + # stub server running uselessly, and try to connect to an + # unroutable IP address instead. + self.api_client = self.mock_keep_services( + count=1, + service_host='240.0.0.0', + ) + with self.assertTakesBetween(0.1, 0.5): + with self.assertRaises(arvados.errors.KeepWriteError): + self.keepClient((0.1, 1)).put(self.DATA, copies=1, num_retries=0) + + def test_timeout_slow_request(self): + self.server.setdelays(request=0.2) + self._test_200ms() + + def test_timeout_slow_response(self): + self.server.setdelays(response=0.2) + self._test_200ms() + + def test_timeout_slow_response_body(self): + self.server.setdelays(response_body=0.2) + self._test_200ms() + + def _test_200ms(self): + """Connect should be t<100ms, request should be 200ms <= t < 300ms""" + + # Allow 100ms to connect, then 1s for response. Everything + # should work, and everything should take at least 200ms to + # return. + kc = self.keepClient((.1, 1)) + with self.assertTakesBetween(.2, .3): + loc = kc.put(self.DATA, copies=1, num_retries=0) + with self.assertTakesBetween(.2, .3): + self.assertEqual(self.DATA, kc.get(loc, num_retries=0)) + + # Allow 1s to connect, then 100ms for response. Nothing should + # work, and everything should take at least 100ms to return. + kc = self.keepClient((1, .1)) + with self.assertTakesBetween(.1, .2): + with self.assertRaises(arvados.errors.KeepReadError): + kc.get(loc, num_retries=0) + with self.assertTakesBetween(.1, .2): + with self.assertRaises(arvados.errors.KeepWriteError): + kc.put(self.DATA, copies=1, num_retries=0) + + +class KeepClientGatewayTestCase(unittest.TestCase, tutil.ApiClientMock): + def mock_disks_and_gateways(self, disks=3, gateways=1): + self.gateways = [{ + 'uuid': 'zzzzz-bi6l4-gateway{:08d}'.format(i), + 'owner_uuid': 'zzzzz-tpzed-000000000000000', + 'service_host': 'gatewayhost{}'.format(i), + 'service_port': 12345, + 'service_ssl_flag': True, + 'service_type': 'gateway:test', + } for i in range(gateways)] + self.gateway_roots = [ + "https://{service_host}:{service_port}/".format(**gw) + for gw in self.gateways] + self.api_client = self.mock_keep_services( + count=disks, additional_services=self.gateways) + self.keepClient = arvados.KeepClient(api_client=self.api_client) + + @mock.patch('pycurl.Curl') + def test_get_with_gateway_hint_first(self, MockCurl): + MockCurl.return_value = tutil.FakeCurl.make( + code=200, body='foo', headers={'Content-Length': 3}) + self.mock_disks_and_gateways() + locator = 'acbd18db4cc2f85cedef654fccc4a4d8+3+K@' + self.gateways[0]['uuid'] + self.assertEqual('foo', self.keepClient.get(locator)) + self.assertEqual(self.gateway_roots[0]+locator, + MockCurl.return_value.getopt(pycurl.URL)) + + @mock.patch('pycurl.Curl') + def test_get_with_gateway_hints_in_order(self, MockCurl): + gateways = 4 + disks = 3 + mocks = [ + tutil.FakeCurl.make(code=404, body='') + for _ in range(gateways+disks) + ] + MockCurl.side_effect = tutil.queue_with(mocks) + self.mock_disks_and_gateways(gateways=gateways, disks=disks) + locator = '+'.join(['acbd18db4cc2f85cedef654fccc4a4d8+3'] + + ['K@'+gw['uuid'] for gw in self.gateways]) + with self.assertRaises(arvados.errors.NotFoundError): + self.keepClient.get(locator) + # Gateways are tried first, in the order given. + for i, root in enumerate(self.gateway_roots): + self.assertEqual(root+locator, + mocks[i].getopt(pycurl.URL)) + # Disk services are tried next. + for i in range(gateways, gateways+disks): + self.assertRegexpMatches( + mocks[i].getopt(pycurl.URL), + r'keep0x') + + @mock.patch('pycurl.Curl') + def test_get_with_remote_proxy_hint(self, MockCurl): + MockCurl.return_value = tutil.FakeCurl.make( + code=200, body='foo', headers={'Content-Length': 3}) + self.mock_disks_and_gateways() + locator = 'acbd18db4cc2f85cedef654fccc4a4d8+3+K@xyzzy' + self.assertEqual('foo', self.keepClient.get(locator)) + self.assertEqual('https://keep.xyzzy.arvadosapi.com/'+locator, + MockCurl.return_value.getopt(pycurl.URL)) class KeepClientRetryTestMixin(object): @@ -531,14 +692,14 @@ class KeepClientRetryGetTestCase(KeepClientRetryTestMixin, unittest.TestCase): DEFAULT_EXPECT = KeepClientRetryTestMixin.TEST_DATA DEFAULT_EXCEPTION = arvados.errors.KeepReadError HINTED_LOCATOR = KeepClientRetryTestMixin.TEST_LOCATOR + '+K@xyzzy' - TEST_PATCHER = staticmethod(tutil.mock_get_responses) + TEST_PATCHER = staticmethod(tutil.mock_keep_responses) def run_method(self, locator=KeepClientRetryTestMixin.TEST_LOCATOR, *args, **kwargs): return self.new_client().get(locator, *args, **kwargs) def test_specific_exception_when_not_found(self): - with tutil.mock_get_responses(self.DEFAULT_EXPECT, 404, 200): + with tutil.mock_keep_responses(self.DEFAULT_EXPECT, 404, 200): self.check_exception(arvados.errors.NotFoundError, num_retries=3) def test_general_exception_with_mixed_errors(self): @@ -547,7 +708,7 @@ class KeepClientRetryGetTestCase(KeepClientRetryTestMixin, unittest.TestCase): # This test rigs up 50/50 disagreement between two servers, and # checks that it does not become a NotFoundError. client = self.new_client() - with tutil.mock_get_responses(self.DEFAULT_EXPECT, 404, 500): + with tutil.mock_keep_responses(self.DEFAULT_EXPECT, 404, 500): with self.assertRaises(arvados.errors.KeepReadError) as exc_check: client.get(self.HINTED_LOCATOR) self.assertNotIsInstance( @@ -555,21 +716,19 @@ class KeepClientRetryGetTestCase(KeepClientRetryTestMixin, unittest.TestCase): "mixed errors raised NotFoundError") def test_hint_server_can_succeed_without_retries(self): - with tutil.mock_get_responses(self.DEFAULT_EXPECT, 404, 200, 500): + with tutil.mock_keep_responses(self.DEFAULT_EXPECT, 404, 200, 500): self.check_success(locator=self.HINTED_LOCATOR) def test_try_next_server_after_timeout(self): - side_effects = [ - socket.timeout("timed out"), - tutil.fake_requests_response(200, self.DEFAULT_EXPECT)] - with mock.patch('requests.get', - side_effect=iter(side_effects)): + with tutil.mock_keep_responses( + (socket.timeout("timed out"), 200), + (self.DEFAULT_EXPECT, 200)): self.check_success(locator=self.HINTED_LOCATOR) def test_retry_data_with_wrong_checksum(self): - side_effects = (tutil.fake_requests_response(200, s) - for s in ['baddata', self.TEST_DATA]) - with mock.patch('requests.get', side_effect=side_effects): + with tutil.mock_keep_responses( + ('baddata', 200), + (self.DEFAULT_EXPECT, 200)): self.check_success(locator=self.HINTED_LOCATOR) @@ -577,12 +736,12 @@ class KeepClientRetryGetTestCase(KeepClientRetryTestMixin, unittest.TestCase): class KeepClientRetryPutTestCase(KeepClientRetryTestMixin, unittest.TestCase): DEFAULT_EXPECT = KeepClientRetryTestMixin.TEST_LOCATOR DEFAULT_EXCEPTION = arvados.errors.KeepWriteError - TEST_PATCHER = staticmethod(tutil.mock_put_responses) + TEST_PATCHER = staticmethod(tutil.mock_keep_responses) def run_method(self, data=KeepClientRetryTestMixin.TEST_DATA, copies=1, *args, **kwargs): return self.new_client().put(data, copies, *args, **kwargs) def test_do_not_send_multiple_copies_to_same_server(self): - with tutil.mock_put_responses(self.DEFAULT_EXPECT, 200): + with tutil.mock_keep_responses(self.DEFAULT_EXPECT, 200): self.check_exception(copies=2, num_retries=3)