# Copyright (c) 2010-2012 OpenStack Foundation # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. # See the License for the specific language governing permissions and # limitations under the License. import itertools from collections import defaultdict import unittest import mock from swift.proxy.controllers.base import headers_to_container_info, \ headers_to_account_info, headers_to_object_info, get_container_info, \ get_cache_key, get_account_info, get_info, get_object_info, \ Controller, GetOrHeadHandler, bytes_to_skip from swift.common.swob import Request, HTTPException, RESPONSE_REASONS from swift.common import exceptions from swift.common.utils import split_path from swift.common.header_key_dict import HeaderKeyDict from swift.common.http import is_success from swift.common.storage_policy import StoragePolicy from test.unit import fake_http_connect, FakeRing, FakeMemcache from swift.proxy import server as proxy_server from swift.common.request_helpers import ( get_sys_meta_prefix, get_object_transient_sysmeta ) from test.unit import patch_policies class FakeResponse(object): base_headers = {} def __init__(self, status_int=200, headers=None, body=''): self.status_int = status_int self._headers = headers or {} self.body = body @property def headers(self): if is_success(self.status_int): self._headers.update(self.base_headers) return self._headers class AccountResponse(FakeResponse): base_headers = { 'x-account-container-count': 333, 'x-account-object-count': 1000, 'x-account-bytes-used': 6666, } class ContainerResponse(FakeResponse): base_headers = { 'x-container-object-count': 1000, 'x-container-bytes-used': 6666, } class ObjectResponse(FakeResponse): base_headers = { 'content-length': 5555, 'content-type': 'text/plain' } class DynamicResponseFactory(object): def __init__(self, *statuses): if statuses: self.statuses = iter(statuses) else: self.statuses = itertools.repeat(200) self.stats = defaultdict(int) response_type = { 'obj': ObjectResponse, 'container': ContainerResponse, 'account': AccountResponse, } def _get_response(self, type_): self.stats[type_] += 1 class_ = self.response_type[type_] return class_(next(self.statuses)) def get_response(self, environ): (version, account, container, obj) = split_path( environ['PATH_INFO'], 2, 4, True) if obj: resp = self._get_response('obj') elif container: resp = self._get_response('container') else: resp = self._get_response('account') resp.account = account resp.container = container resp.obj = obj return resp class ZeroCacheAccountResponse(FakeResponse): base_headers = { 'X-Backend-Recheck-Account-Existence': '0', 'x-account-container-count': 333, 'x-account-object-count': 1000, 'x-account-bytes-used': 6666, } class ZeroCacheContainerResponse(FakeResponse): base_headers = { 'X-Backend-Recheck-Container-Existence': '0', 'x-container-object-count': 1000, 'x-container-bytes-used': 6666, } class ZeroCacheDynamicResponseFactory(DynamicResponseFactory): response_type = { 'obj': ObjectResponse, 'container': ZeroCacheContainerResponse, 'account': ZeroCacheAccountResponse, } class FakeApp(object): recheck_container_existence = 30 recheck_account_existence = 30 def __init__(self, response_factory=None, statuses=None): self.responses = response_factory or \ DynamicResponseFactory(*statuses or []) self.captured_envs = [] def __call__(self, environ, start_response): self.captured_envs.append(environ) response = self.responses.get_response(environ) reason = RESPONSE_REASONS[response.status_int][0] start_response('%d %s' % (response.status_int, reason), [(k, v) for k, v in response.headers.items()]) return iter(response.body) class FakeCache(FakeMemcache): def __init__(self, stub=None, **pre_cached): super(FakeCache, self).__init__() if pre_cached: self.store.update(pre_cached) self.stub = stub def get(self, key): return self.stub or self.store.get(key) @patch_policies([StoragePolicy(0, 'zero', True, object_ring=FakeRing())]) class TestFuncs(unittest.TestCase): def setUp(self): self.app = proxy_server.Application(None, FakeMemcache(), account_ring=FakeRing(), container_ring=FakeRing()) def test_get_info_zero_recheck(self): mock_cache = mock.Mock() mock_cache.get.return_value = None app = FakeApp(ZeroCacheDynamicResponseFactory()) env = {'swift.cache': mock_cache} info_a = get_info(app, env, 'a') # Check that you got proper info self.assertEqual(info_a['status'], 200) self.assertEqual(info_a['bytes'], 6666) self.assertEqual(info_a['total_object_count'], 1000) self.assertEqual(info_a['container_count'], 333) # Make sure the env cache is set exp_cached_info_a = { k: str(v) if k in ( 'bytes', 'container_count', 'total_object_count') else v for k, v in info_a.items()} self.assertEqual(env['swift.infocache'].get('account/a'), exp_cached_info_a) # Make sure the app was called self.assertEqual(app.responses.stats['account'], 1) self.assertEqual(app.responses.stats['container'], 0) # Make sure memcache was called self.assertEqual(mock_cache.mock_calls, [ mock.call.get('account/a'), mock.call.set('account/a', exp_cached_info_a, time=0), ]) mock_cache.reset_mock() info_c = get_info(app, env, 'a', 'c') # Check that you got proper info self.assertEqual(info_c['status'], 200) self.assertEqual(info_c['bytes'], 6666) self.assertEqual(info_c['object_count'], 1000) # Make sure the env cache is set exp_cached_info_c = { k: str(v) if k in ( 'bytes', 'object_count', 'storage_policy') else v for k, v in info_c.items()} self.assertEqual(env['swift.infocache'].get('account/a'), exp_cached_info_a) self.assertEqual(env['swift.infocache'].get('container/a/c'), exp_cached_info_c) # Check app call for container, but no new calls for account self.assertEqual(app.responses.stats['account'], 1) self.assertEqual(app.responses.stats['container'], 1) # Make sure container info was cached self.assertEqual(mock_cache.mock_calls, [ mock.call.get('container/a/c'), mock.call.set('container/a/c', exp_cached_info_c, time=0), ]) # reset call counts app = FakeApp(ZeroCacheDynamicResponseFactory()) env = {'swift.cache': mock_cache} mock_cache.reset_mock() info_c = get_info(app, env, 'a', 'c') # Check that you got proper info self.assertEqual(info_c['status'], 200) self.assertEqual(info_c['bytes'], 6666) self.assertEqual(info_c['object_count'], 1000) # Make sure the env cache is set self.assertEqual(env['swift.infocache'].get('account/a'), exp_cached_info_a) self.assertEqual(env['swift.infocache'].get('container/a/c'), exp_cached_info_c) # check app calls both account and container self.assertEqual(app.responses.stats['account'], 1) self.assertEqual(app.responses.stats['container'], 1) # Make sure account info was cached but container was not self.assertEqual(mock_cache.mock_calls, [ mock.call.get('container/a/c'), mock.call.get('account/a'), mock.call.set('account/a', exp_cached_info_a, time=0), mock.call.set('container/a/c', exp_cached_info_c, time=0), ]) def test_get_info(self): app = FakeApp() # Do a non cached call to account env = {} info_a = get_info(app, env, 'a') # Check that you got proper info self.assertEqual(info_a['status'], 200) self.assertEqual(info_a['bytes'], 6666) self.assertEqual(info_a['total_object_count'], 1000) # Make sure the app was called self.assertEqual(app.responses.stats['account'], 1) # Make sure the return value matches get_account_info account_info = get_account_info({'PATH_INFO': '/v1/a'}, app) self.assertEqual(info_a, account_info) # Do an env cached call to account app.responses.stats['account'] = 0 app.responses.stats['container'] = 0 info_a = get_info(app, env, 'a') # Check that you got proper info self.assertEqual(info_a['status'], 200) self.assertEqual(info_a['bytes'], 6666) self.assertEqual(info_a['total_object_count'], 1000) # Make sure the app was NOT called AGAIN self.assertEqual(app.responses.stats['account'], 0) # This time do env cached call to account and non cached to container app.responses.stats['account'] = 0 app.responses.stats['container'] = 0 info_c = get_info(app, env, 'a', 'c') # Check that you got proper info self.assertEqual(info_c['status'], 200) self.assertEqual(info_c['bytes'], 6666) self.assertEqual(info_c['object_count'], 1000) # Make sure the app was called for container but not account self.assertEqual(app.responses.stats['account'], 0) self.assertEqual(app.responses.stats['container'], 1) # This time do a non-cached call to account then non-cached to # container app.responses.stats['account'] = 0 app.responses.stats['container'] = 0 app = FakeApp() env = {} # abandon previous call to env info_c = get_info(app, env, 'a', 'c') # Check that you got proper info self.assertEqual(info_c['status'], 200) self.assertEqual(info_c['bytes'], 6666) self.assertEqual(info_c['object_count'], 1000) # check app calls both account and container self.assertEqual(app.responses.stats['account'], 1) self.assertEqual(app.responses.stats['container'], 1) # This time do an env-cached call to container while account is not # cached app.responses.stats['account'] = 0 app.responses.stats['container'] = 0 info_c = get_info(app, env, 'a', 'c') # Check that you got proper info self.assertEqual(info_a['status'], 200) self.assertEqual(info_c['bytes'], 6666) self.assertEqual(info_c['object_count'], 1000) # no additional calls were made self.assertEqual(app.responses.stats['account'], 0) self.assertEqual(app.responses.stats['container'], 0) def test_get_container_info_swift_source(self): app = FakeApp() req = Request.blank("/v1/a/c", environ={'swift.cache': FakeCache()}) get_container_info(req.environ, app, swift_source='MC') self.assertEqual([e['swift.source'] for e in app.captured_envs], ['MC', 'MC']) def test_get_object_info_swift_source(self): app = FakeApp() req = Request.blank("/v1/a/c/o", environ={'swift.cache': FakeCache()}) get_object_info(req.environ, app, swift_source='LU') self.assertEqual([e['swift.source'] for e in app.captured_envs], ['LU']) def test_get_container_info_no_cache(self): req = Request.blank("/v1/AUTH_account/cont", environ={'swift.cache': FakeCache({})}) resp = get_container_info(req.environ, FakeApp()) self.assertEqual(resp['storage_policy'], 0) self.assertEqual(resp['bytes'], 6666) self.assertEqual(resp['object_count'], 1000) def test_get_container_info_no_account(self): app = FakeApp(statuses=[404, 200]) req = Request.blank("/v1/AUTH_does_not_exist/cont") info = get_container_info(req.environ, app) self.assertEqual(info['status'], 0) def test_get_container_info_no_auto_account(self): app = FakeApp(statuses=[200]) req = Request.blank("/v1/.system_account/cont") info = get_container_info(req.environ, app) self.assertEqual(info['status'], 200) self.assertEqual(info['bytes'], 6666) self.assertEqual(info['object_count'], 1000) def test_get_container_info_cache(self): cache_stub = { 'status': 404, 'bytes': 3333, 'object_count': 10, 'versions': u"\u1F4A9"} req = Request.blank("/v1/account/cont", environ={'swift.cache': FakeCache(cache_stub)}) resp = get_container_info(req.environ, FakeApp()) self.assertEqual(resp['storage_policy'], 0) self.assertEqual(resp['bytes'], 3333) self.assertEqual(resp['object_count'], 10) self.assertEqual(resp['status'], 404) self.assertEqual(resp['versions'], "\xe1\xbd\x8a\x39") def test_get_container_info_env(self): cache_key = get_cache_key("account", "cont") req = Request.blank( "/v1/account/cont", environ={'swift.infocache': {cache_key: {'bytes': 3867}}, 'swift.cache': FakeCache({})}) resp = get_container_info(req.environ, 'xxx') self.assertEqual(resp['bytes'], 3867) def test_get_account_info_swift_source(self): app = FakeApp() req = Request.blank("/v1/a", environ={'swift.cache': FakeCache()}) get_account_info(req.environ, app, swift_source='MC') self.assertEqual([e['swift.source'] for e in app.captured_envs], ['MC']) def test_get_account_info_swift_owner(self): app = FakeApp() req = Request.blank("/v1/a", environ={'swift.cache': FakeCache()}) get_account_info(req.environ, app) self.assertEqual([e['swift_owner'] for e in app.captured_envs], [True]) def test_get_account_info_infocache(self): app = FakeApp() ic = {} req = Request.blank("/v1/a", environ={'swift.cache': FakeCache(), 'swift.infocache': ic}) get_account_info(req.environ, app) got_infocaches = [e['swift.infocache'] for e in app.captured_envs] self.assertEqual(1, len(got_infocaches)) self.assertIs(ic, got_infocaches[0]) def test_get_account_info_no_cache(self): app = FakeApp() req = Request.blank("/v1/AUTH_account", environ={'swift.cache': FakeCache({})}) resp = get_account_info(req.environ, app) self.assertEqual(resp['bytes'], 6666) self.assertEqual(resp['total_object_count'], 1000) def test_get_account_info_cache(self): # Works with fake apps that return ints in the headers cached = {'status': 404, 'bytes': 3333, 'total_object_count': 10} req = Request.blank("/v1/account/cont", environ={'swift.cache': FakeCache(cached)}) resp = get_account_info(req.environ, FakeApp()) self.assertEqual(resp['bytes'], 3333) self.assertEqual(resp['total_object_count'], 10) self.assertEqual(resp['status'], 404) # Works with strings too, like you get when parsing HTTP headers # that came in through a socket from the account server cached = {'status': 404, 'bytes': '3333', 'container_count': '234', 'total_object_count': '10', 'meta': {}} req = Request.blank("/v1/account/cont", environ={'swift.cache': FakeCache(cached)}) resp = get_account_info(req.environ, FakeApp()) self.assertEqual(resp['status'], 404) self.assertEqual(resp['bytes'], 3333) self.assertEqual(resp['container_count'], 234) self.assertEqual(resp['meta'], {}) self.assertEqual(resp['total_object_count'], 10) def test_get_account_info_env(self): cache_key = get_cache_key("account") req = Request.blank( "/v1/account", environ={'swift.infocache': {cache_key: {'bytes': 3867}}, 'swift.cache': FakeCache({})}) resp = get_account_info(req.environ, 'xxx') self.assertEqual(resp['bytes'], 3867) def test_get_object_info_env(self): cached = {'status': 200, 'length': 3333, 'type': 'application/json', 'meta': {}} cache_key = get_cache_key("account", "cont", "obj") req = Request.blank( "/v1/account/cont/obj", environ={'swift.infocache': {cache_key: cached}, 'swift.cache': FakeCache({})}) resp = get_object_info(req.environ, 'xxx') self.assertEqual(resp['length'], 3333) self.assertEqual(resp['type'], 'application/json') def test_get_object_info_no_env(self): app = FakeApp() req = Request.blank("/v1/account/cont/obj", environ={'swift.cache': FakeCache({})}) resp = get_object_info(req.environ, app) self.assertEqual(app.responses.stats['account'], 0) self.assertEqual(app.responses.stats['container'], 0) self.assertEqual(app.responses.stats['obj'], 1) self.assertEqual(resp['length'], 5555) self.assertEqual(resp['type'], 'text/plain') def test_options(self): base = Controller(self.app) base.account_name = 'a' base.container_name = 'c' origin = 'http://m.com' self.app.cors_allow_origin = [origin] req = Request.blank('/v1/a/c/o', environ={'swift.cache': FakeCache()}, headers={'Origin': origin, 'Access-Control-Request-Method': 'GET'}) with mock.patch('swift.proxy.controllers.base.' 'http_connect', fake_http_connect(200)): resp = base.OPTIONS(req) self.assertEqual(resp.status_int, 200) def test_options_with_null_allow_origin(self): base = Controller(self.app) base.account_name = 'a' base.container_name = 'c' def my_container_info(*args): return { 'cors': { 'allow_origin': '*', } } base.container_info = my_container_info req = Request.blank('/v1/a/c/o', environ={'swift.cache': FakeCache()}, headers={'Origin': '*', 'Access-Control-Request-Method': 'GET'}) with mock.patch('swift.proxy.controllers.base.' 'http_connect', fake_http_connect(200)): resp = base.OPTIONS(req) self.assertEqual(resp.status_int, 200) def test_options_unauthorized(self): base = Controller(self.app) base.account_name = 'a' base.container_name = 'c' self.app.cors_allow_origin = ['http://NOT_IT'] req = Request.blank('/v1/a/c/o', environ={'swift.cache': FakeCache()}, headers={'Origin': 'http://m.com', 'Access-Control-Request-Method': 'GET'}) with mock.patch('swift.proxy.controllers.base.' 'http_connect', fake_http_connect(200)): resp = base.OPTIONS(req) self.assertEqual(resp.status_int, 401) def test_headers_to_container_info_missing(self): resp = headers_to_container_info({}, 404) self.assertEqual(resp['status'], 404) self.assertIsNone(resp['read_acl']) self.assertIsNone(resp['write_acl']) def test_headers_to_container_info_meta(self): headers = {'X-Container-Meta-Whatevs': 14, 'x-container-meta-somethingelse': 0} resp = headers_to_container_info(headers.items(), 200) self.assertEqual(len(resp['meta']), 2) self.assertEqual(resp['meta']['whatevs'], 14) self.assertEqual(resp['meta']['somethingelse'], 0) def test_headers_to_container_info_sys_meta(self): prefix = get_sys_meta_prefix('container') headers = {'%sWhatevs' % prefix: 14, '%ssomethingelse' % prefix: 0} resp = headers_to_container_info(headers.items(), 200) self.assertEqual(len(resp['sysmeta']), 2) self.assertEqual(resp['sysmeta']['whatevs'], 14) self.assertEqual(resp['sysmeta']['somethingelse'], 0) def test_headers_to_container_info_values(self): headers = { 'x-container-read': 'readvalue', 'x-container-write': 'writevalue', 'x-container-sync-key': 'keyvalue', 'x-container-meta-access-control-allow-origin': 'here', } resp = headers_to_container_info(headers.items(), 200) self.assertEqual(resp['read_acl'], 'readvalue') self.assertEqual(resp['write_acl'], 'writevalue') self.assertEqual(resp['cors']['allow_origin'], 'here') headers['x-unused-header'] = 'blahblahblah' self.assertEqual( resp, headers_to_container_info(headers.items(), 200)) def test_container_info_without_req(self): base = Controller(self.app) base.account_name = 'a' base.container_name = 'c' container_info = \ base.container_info(base.account_name, base.container_name) self.assertEqual(container_info['status'], 0) def test_headers_to_account_info_missing(self): resp = headers_to_account_info({}, 404) self.assertEqual(resp['status'], 404) self.assertIsNone(resp['bytes']) self.assertIsNone(resp['container_count']) def test_headers_to_account_info_meta(self): headers = {'X-Account-Meta-Whatevs': 14, 'x-account-meta-somethingelse': 0} resp = headers_to_account_info(headers.items(), 200) self.assertEqual(len(resp['meta']), 2) self.assertEqual(resp['meta']['whatevs'], 14) self.assertEqual(resp['meta']['somethingelse'], 0) def test_headers_to_account_info_sys_meta(self): prefix = get_sys_meta_prefix('account') headers = {'%sWhatevs' % prefix: 14, '%ssomethingelse' % prefix: 0} resp = headers_to_account_info(headers.items(), 200) self.assertEqual(len(resp['sysmeta']), 2) self.assertEqual(resp['sysmeta']['whatevs'], 14) self.assertEqual(resp['sysmeta']['somethingelse'], 0) def test_headers_to_account_info_values(self): headers = { 'x-account-object-count': '10', 'x-account-container-count': '20', } resp = headers_to_account_info(headers.items(), 200) self.assertEqual(resp['total_object_count'], '10') self.assertEqual(resp['container_count'], '20') headers['x-unused-header'] = 'blahblahblah' self.assertEqual( resp, headers_to_account_info(headers.items(), 200)) def test_headers_to_object_info_missing(self): resp = headers_to_object_info({}, 404) self.assertEqual(resp['status'], 404) self.assertIsNone(resp['length']) self.assertIsNone(resp['etag']) def test_headers_to_object_info_meta(self): headers = {'X-Object-Meta-Whatevs': 14, 'x-object-meta-somethingelse': 0} resp = headers_to_object_info(headers.items(), 200) self.assertEqual(len(resp['meta']), 2) self.assertEqual(resp['meta']['whatevs'], 14) self.assertEqual(resp['meta']['somethingelse'], 0) def test_headers_to_object_info_sys_meta(self): prefix = get_sys_meta_prefix('object') headers = {'%sWhatevs' % prefix: 14, '%ssomethingelse' % prefix: 0} resp = headers_to_object_info(headers.items(), 200) self.assertEqual(len(resp['sysmeta']), 2) self.assertEqual(resp['sysmeta']['whatevs'], 14) self.assertEqual(resp['sysmeta']['somethingelse'], 0) def test_headers_to_object_info_transient_sysmeta(self): headers = {get_object_transient_sysmeta('Whatevs'): 14, get_object_transient_sysmeta('somethingelse'): 0} resp = headers_to_object_info(headers.items(), 200) self.assertEqual(len(resp['transient_sysmeta']), 2) self.assertEqual(resp['transient_sysmeta']['whatevs'], 14) self.assertEqual(resp['transient_sysmeta']['somethingelse'], 0) def test_headers_to_object_info_values(self): headers = { 'content-length': '1024', 'content-type': 'application/json', } resp = headers_to_object_info(headers.items(), 200) self.assertEqual(resp['length'], '1024') self.assertEqual(resp['type'], 'application/json') headers['x-unused-header'] = 'blahblahblah' self.assertEqual( resp, headers_to_object_info(headers.items(), 200)) def test_base_have_quorum(self): base = Controller(self.app) # just throw a bunch of test cases at it self.assertFalse(base.have_quorum([201, 404], 3)) self.assertTrue(base.have_quorum([201, 201], 4)) self.assertFalse(base.have_quorum([201], 4)) self.assertTrue(base.have_quorum([201, 201, 404, 404], 4)) self.assertFalse(base.have_quorum([201, 302, 418, 503], 4)) self.assertTrue(base.have_quorum([201, 503, 503, 201], 4)) self.assertTrue(base.have_quorum([201, 201], 3)) self.assertTrue(base.have_quorum([404, 404], 3)) self.assertTrue(base.have_quorum([201, 201], 2)) self.assertTrue(base.have_quorum([201, 404], 2)) self.assertTrue(base.have_quorum([404, 404], 2)) self.assertTrue(base.have_quorum([201, 404, 201, 201], 4)) def test_best_response_overrides(self): base = Controller(self.app) responses = [ (302, 'Found', '', 'The resource has moved temporarily.'), (100, 'Continue', '', ''), (404, 'Not Found', '', 'Custom body'), ] server_type = "Base DELETE" req = Request.blank('/v1/a/c/o', method='DELETE') statuses, reasons, headers, bodies = zip(*responses) # First test that you can't make a quorum with only overridden # responses overrides = {302: 204, 100: 204} resp = base.best_response(req, statuses, reasons, bodies, server_type, headers=headers, overrides=overrides) self.assertEqual(resp.status, '503 Service Unavailable') # next make a 404 quorum and make sure the last delete (real) 404 # status is the one returned. overrides = {100: 404} resp = base.best_response(req, statuses, reasons, bodies, server_type, headers=headers, overrides=overrides) self.assertEqual(resp.status, '404 Not Found') self.assertEqual(resp.body, 'Custom body') def test_range_fast_forward(self): req = Request.blank('/') handler = GetOrHeadHandler(None, req, None, None, None, None, {}) handler.fast_forward(50) self.assertEqual(handler.backend_headers['Range'], 'bytes=50-') handler = GetOrHeadHandler(None, req, None, None, None, None, {'Range': 'bytes=23-50'}) handler.fast_forward(20) self.assertEqual(handler.backend_headers['Range'], 'bytes=43-50') self.assertRaises(HTTPException, handler.fast_forward, 80) self.assertRaises(exceptions.RangeAlreadyComplete, handler.fast_forward, 8) handler = GetOrHeadHandler(None, req, None, None, None, None, {'Range': 'bytes=23-'}) handler.fast_forward(20) self.assertEqual(handler.backend_headers['Range'], 'bytes=43-') handler = GetOrHeadHandler(None, req, None, None, None, None, {'Range': 'bytes=-100'}) handler.fast_forward(20) self.assertEqual(handler.backend_headers['Range'], 'bytes=-80') self.assertRaises(HTTPException, handler.fast_forward, 100) self.assertRaises(exceptions.RangeAlreadyComplete, handler.fast_forward, 80) handler = GetOrHeadHandler(None, req, None, None, None, None, {'Range': 'bytes=0-0'}) self.assertRaises(exceptions.RangeAlreadyComplete, handler.fast_forward, 1) def test_range_fast_forward_after_data_timeout(self): req = Request.blank('/') # We get a 200 and learn that it's a 1000-byte object, but receive 0 # bytes of data, so then we get a new node, fast_forward(0), and # send out a new request. That new request must be for all 1000 # bytes. handler = GetOrHeadHandler(None, req, None, None, None, None, {}) handler.learn_size_from_content_range(0, 999, 1000) handler.fast_forward(0) self.assertEqual(handler.backend_headers['Range'], 'bytes=0-999') # Same story as above, but a 1-byte object so we can have our byte # indices be 0. handler = GetOrHeadHandler(None, req, None, None, None, None, {}) handler.learn_size_from_content_range(0, 0, 1) handler.fast_forward(0) self.assertEqual(handler.backend_headers['Range'], 'bytes=0-0') # last 100 bytes handler = GetOrHeadHandler(None, req, None, None, None, None, {'Range': 'bytes=-100'}) handler.learn_size_from_content_range(900, 999, 1000) handler.fast_forward(0) self.assertEqual(handler.backend_headers['Range'], 'bytes=900-999') def test_transfer_headers_with_sysmeta(self): base = Controller(self.app) good_hdrs = {'x-base-sysmeta-foo': 'ok', 'X-Base-sysmeta-Bar': 'also ok'} bad_hdrs = {'x-base-sysmeta-': 'too short'} hdrs = dict(good_hdrs) hdrs.update(bad_hdrs) dst_hdrs = HeaderKeyDict() base.transfer_headers(hdrs, dst_hdrs) self.assertEqual(HeaderKeyDict(good_hdrs), dst_hdrs) def test_generate_request_headers(self): base = Controller(self.app) src_headers = {'x-remove-base-meta-owner': 'x', 'x-base-meta-size': '151M', 'new-owner': 'Kun'} req = Request.blank('/v1/a/c/o', headers=src_headers) dst_headers = base.generate_request_headers(req, transfer=True) expected_headers = {'x-base-meta-owner': '', 'x-base-meta-size': '151M', 'connection': 'close'} for k, v in expected_headers.items(): self.assertIn(k, dst_headers) self.assertEqual(v, dst_headers[k]) self.assertNotIn('new-owner', dst_headers) def test_generate_request_headers_with_sysmeta(self): base = Controller(self.app) good_hdrs = {'x-base-sysmeta-foo': 'ok', 'X-Base-sysmeta-Bar': 'also ok'} bad_hdrs = {'x-base-sysmeta-': 'too short'} hdrs = dict(good_hdrs) hdrs.update(bad_hdrs) req = Request.blank('/v1/a/c/o', headers=hdrs) dst_headers = base.generate_request_headers(req, transfer=True) for k, v in good_hdrs.items(): self.assertIn(k.lower(), dst_headers) self.assertEqual(v, dst_headers[k.lower()]) for k, v in bad_hdrs.items(): self.assertNotIn(k.lower(), dst_headers) def test_generate_request_headers_with_no_orig_req(self): base = Controller(self.app) src_headers = {'x-remove-base-meta-owner': 'x', 'x-base-meta-size': '151M', 'new-owner': 'Kun'} dst_headers = base.generate_request_headers(None, additional=src_headers) expected_headers = {'x-base-meta-size': '151M', 'connection': 'close'} for k, v in expected_headers.items(): self.assertIn(k, dst_headers) self.assertEqual(v, dst_headers[k]) self.assertEqual('', dst_headers['Referer']) def test_client_chunk_size(self): class TestSource(object): def __init__(self, chunks): self.chunks = list(chunks) self.status = 200 def read(self, _read_size): if self.chunks: return self.chunks.pop(0) else: return '' def getheader(self, header): if header.lower() == "content-length": return str(sum(len(c) for c in self.chunks)) def getheaders(self): return [('content-length', self.getheader('content-length'))] source = TestSource(( 'abcd', '1234', 'abc', 'd1', '234abcd1234abcd1', '2')) req = Request.blank('/v1/a/c/o') node = {} handler = GetOrHeadHandler(self.app, req, None, None, None, None, {}, client_chunk_size=8) app_iter = handler._make_app_iter(req, node, source) client_chunks = list(app_iter) self.assertEqual(client_chunks, [ 'abcd1234', 'abcd1234', 'abcd1234', 'abcd12']) def test_client_chunk_size_resuming(self): class TestSource(object): def __init__(self, chunks): self.chunks = list(chunks) self.status = 200 def read(self, _read_size): if self.chunks: chunk = self.chunks.pop(0) if chunk is None: raise exceptions.ChunkReadTimeout() else: return chunk else: return '' def getheader(self, header): if header.lower() == "content-length": return str(sum(len(c) for c in self.chunks if c is not None)) def getheaders(self): return [('content-length', self.getheader('content-length'))] node = {'ip': '1.2.3.4', 'port': 6200, 'device': 'sda'} source1 = TestSource(['abcd', '1234', 'abc', None]) source2 = TestSource(['efgh5678']) req = Request.blank('/v1/a/c/o') handler = GetOrHeadHandler( self.app, req, 'Object', None, None, None, {}, client_chunk_size=8) app_iter = handler._make_app_iter(req, node, source1) with mock.patch.object(handler, '_get_source_and_node', lambda: (source2, node)): client_chunks = list(app_iter) self.assertEqual(client_chunks, ['abcd1234', 'efgh5678']) def test_client_chunk_size_resuming_chunked(self): class TestChunkedSource(object): def __init__(self, chunks): self.chunks = list(chunks) self.status = 200 self.headers = {'transfer-encoding': 'chunked', 'content-type': 'text/plain'} def read(self, _read_size): if self.chunks: chunk = self.chunks.pop(0) if chunk is None: raise exceptions.ChunkReadTimeout() else: return chunk else: return '' def getheader(self, header): return self.headers.get(header.lower()) def getheaders(self): return self.headers node = {'ip': '1.2.3.4', 'port': 6200, 'device': 'sda'} source1 = TestChunkedSource(['abcd', '1234', 'abc', None]) source2 = TestChunkedSource(['efgh5678']) req = Request.blank('/v1/a/c/o') handler = GetOrHeadHandler( self.app, req, 'Object', None, None, None, {}, client_chunk_size=8) app_iter = handler._make_app_iter(req, node, source1) with mock.patch.object(handler, '_get_source_and_node', lambda: (source2, node)): client_chunks = list(app_iter) self.assertEqual(client_chunks, ['abcd1234', 'efgh5678']) def test_disconnected_warning(self): self.app.logger = mock.Mock() req = Request.blank('/v1/a/c/o') class TestSource(object): def __init__(self): self.headers = {'content-type': 'text/plain', 'content-length': len(self.read(-1))} self.status = 200 def read(self, _read_size): return 'the cake is a lie' def getheader(self, header): return self.headers.get(header.lower()) def getheaders(self): return self.headers source = TestSource() node = {'ip': '1.2.3.4', 'port': 6200, 'device': 'sda'} handler = GetOrHeadHandler( self.app, req, 'Object', None, None, None, {}) app_iter = handler._make_app_iter(req, node, source) app_iter.close() self.app.logger.warning.assert_called_once_with( 'Client disconnected on read') self.app.logger = mock.Mock() node = {'ip': '1.2.3.4', 'port': 6200, 'device': 'sda'} handler = GetOrHeadHandler( self.app, req, 'Object', None, None, None, {}) app_iter = handler._make_app_iter(req, node, source) next(app_iter) app_iter.close() self.app.logger.warning.assert_not_called() def test_bytes_to_skip(self): # if you start at the beginning, skip nothing self.assertEqual(bytes_to_skip(1024, 0), 0) # missed the first 10 bytes, so we've got 1014 bytes of partial # record self.assertEqual(bytes_to_skip(1024, 10), 1014) # skipped some whole records first self.assertEqual(bytes_to_skip(1024, 4106), 1014) # landed on a record boundary self.assertEqual(bytes_to_skip(1024, 1024), 0) self.assertEqual(bytes_to_skip(1024, 2048), 0) # big numbers self.assertEqual(bytes_to_skip(2 ** 20, 2 ** 32), 0) self.assertEqual(bytes_to_skip(2 ** 20, 2 ** 32 + 1), 2 ** 20 - 1) self.assertEqual(bytes_to_skip(2 ** 20, 2 ** 32 + 2 ** 19), 2 ** 19) # odd numbers self.assertEqual(bytes_to_skip(123, 0), 0) self.assertEqual(bytes_to_skip(123, 23), 100) self.assertEqual(bytes_to_skip(123, 247), 122) # prime numbers self.assertEqual(bytes_to_skip(11, 7), 4) self.assertEqual(bytes_to_skip(97, 7873823), 55)