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| 1 # Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is govered by a BSD-style |
| 3 # license that can be found in the LICENSE file or at |
| 4 # https://developers.google.com/open-source/licenses/bsd |
| 5 |
| 6 """Tests for the cachemanager service.""" |
| 7 |
| 8 import unittest |
| 9 |
| 10 import mox |
| 11 |
| 12 from framework import sql |
| 13 from services import cachemanager_svc |
| 14 from services import caches |
| 15 from services import service_manager |
| 16 from testing import testing_helpers |
| 17 |
| 18 |
| 19 class CacheManagerServiceTest(unittest.TestCase): |
| 20 |
| 21 def setUp(self): |
| 22 self.mox = mox.Mox() |
| 23 self.cnxn = 'fake connection' |
| 24 self.cache_manager = cachemanager_svc.CacheManager() |
| 25 self.cache_manager.invalidate_tbl = self.mox.CreateMock( |
| 26 sql.SQLTableManager) |
| 27 |
| 28 def tearDown(self): |
| 29 self.mox.UnsetStubs() |
| 30 self.mox.ResetAll() |
| 31 |
| 32 def testMakeCache(self): |
| 33 ram_cache = self.cache_manager.MakeCache('issue') |
| 34 self.assertTrue(isinstance(ram_cache, caches.RamCache)) |
| 35 self.assertTrue(ram_cache in self.cache_manager.cache_registry['issue']) |
| 36 |
| 37 def testMakeCache_UnknownKind(self): |
| 38 self.assertRaises(AssertionError, self.cache_manager.MakeCache, 'foo') |
| 39 |
| 40 def testProcessInvalidateRows_Empty(self): |
| 41 rows = [] |
| 42 self.cache_manager._ProcessInvalidationRows(rows) |
| 43 self.assertEqual(0, self.cache_manager.processed_invalidations_up_to) |
| 44 |
| 45 def testProcessInvalidateRows_Some(self): |
| 46 ram_cache = self.cache_manager.MakeCache('issue') |
| 47 ram_cache.CacheAll({ |
| 48 33: 'issue 33', |
| 49 34: 'issue 34', |
| 50 }) |
| 51 rows = [(1, 'issue', 34), |
| 52 (2, 'project', 789), |
| 53 (3, 'issue', 39)] |
| 54 self.cache_manager._ProcessInvalidationRows(rows) |
| 55 self.assertEqual(3, self.cache_manager.processed_invalidations_up_to) |
| 56 self.assertTrue(ram_cache.HasItem(33)) |
| 57 self.assertFalse(ram_cache.HasItem(34)) |
| 58 |
| 59 def testProcessInvalidateRows_All(self): |
| 60 ram_cache = self.cache_manager.MakeCache('issue') |
| 61 ram_cache.CacheAll({ |
| 62 33: 'issue 33', |
| 63 34: 'issue 34', |
| 64 }) |
| 65 rows = [(991, 'issue', 34), |
| 66 (992, 'project', 789), |
| 67 (993, 'issue', cachemanager_svc.INVALIDATE_ALL_KEYS)] |
| 68 self.cache_manager._ProcessInvalidationRows(rows) |
| 69 self.assertEqual(993, self.cache_manager.processed_invalidations_up_to) |
| 70 self.assertEqual({}, ram_cache.cache) |
| 71 |
| 72 def SetUpDoDistributedInvalidation(self, rows): |
| 73 self.cache_manager.invalidate_tbl.Select( |
| 74 self.cnxn, cols=['timestep', 'kind', 'cache_key'], |
| 75 where=[('timestep > %s', [0])], |
| 76 order_by=[('timestep DESC', [])], |
| 77 limit=cachemanager_svc.MAX_INVALIDATE_ROWS_TO_CONSIDER |
| 78 ).AndReturn(rows) |
| 79 |
| 80 def testDoDistributedInvalidation_Empty(self): |
| 81 rows = [] |
| 82 self.SetUpDoDistributedInvalidation(rows) |
| 83 self.mox.ReplayAll() |
| 84 self.cache_manager.DoDistributedInvalidation(self.cnxn) |
| 85 self.mox.VerifyAll() |
| 86 self.assertEqual(0, self.cache_manager.processed_invalidations_up_to) |
| 87 |
| 88 def testDoDistributedInvalidation_Some(self): |
| 89 ram_cache = self.cache_manager.MakeCache('issue') |
| 90 ram_cache.CacheAll({ |
| 91 33: 'issue 33', |
| 92 34: 'issue 34', |
| 93 }) |
| 94 rows = [(1, 'issue', 34), |
| 95 (2, 'project', 789), |
| 96 (3, 'issue', 39)] |
| 97 self.SetUpDoDistributedInvalidation(rows) |
| 98 self.mox.ReplayAll() |
| 99 self.cache_manager.DoDistributedInvalidation(self.cnxn) |
| 100 self.mox.VerifyAll() |
| 101 self.assertEqual(3, self.cache_manager.processed_invalidations_up_to) |
| 102 self.assertTrue(ram_cache.HasItem(33)) |
| 103 self.assertFalse(ram_cache.HasItem(34)) |
| 104 |
| 105 def testStoreInvalidateRows_UnknownKind(self): |
| 106 self.assertRaises( |
| 107 AssertionError, |
| 108 self.cache_manager.StoreInvalidateRows, self.cnxn, 'foo', [1, 2]) |
| 109 |
| 110 def SetUpStoreInvalidateRows(self, rows): |
| 111 self.cache_manager.invalidate_tbl.InsertRows( |
| 112 self.cnxn, ['kind', 'cache_key'], rows) |
| 113 |
| 114 def testStoreInvalidateRows(self): |
| 115 rows = [('issue', 1), ('issue', 2)] |
| 116 self.SetUpStoreInvalidateRows(rows) |
| 117 self.mox.ReplayAll() |
| 118 self.cache_manager.StoreInvalidateRows(self.cnxn, 'issue', [1, 2]) |
| 119 self.mox.VerifyAll() |
| 120 |
| 121 def SetUpStoreInvalidateAll(self, kind): |
| 122 self.cache_manager.invalidate_tbl.InsertRow( |
| 123 self.cnxn, kind=kind, cache_key=cachemanager_svc.INVALIDATE_ALL_KEYS, |
| 124 ).AndReturn(44) |
| 125 self.cache_manager.invalidate_tbl.Delete( |
| 126 self.cnxn, kind=kind, where=[('timestep < %s', [44])]) |
| 127 |
| 128 def testStoreInvalidateAll(self): |
| 129 self.SetUpStoreInvalidateAll('issue') |
| 130 self.mox.ReplayAll() |
| 131 self.cache_manager.StoreInvalidateAll(self.cnxn, 'issue') |
| 132 self.mox.VerifyAll() |
| 133 |
| 134 |
| 135 class RamCacheConsolidateTest(unittest.TestCase): |
| 136 |
| 137 def setUp(self): |
| 138 self.mox = mox.Mox() |
| 139 self.cnxn = 'fake connection' |
| 140 self.cache_manager = cachemanager_svc.CacheManager() |
| 141 self.cache_manager.invalidate_tbl = self.mox.CreateMock( |
| 142 sql.SQLTableManager) |
| 143 self.services = service_manager.Services( |
| 144 cache_manager=self.cache_manager) |
| 145 self.servlet = cachemanager_svc.RamCacheConsolidate( |
| 146 'req', 'res', services=self.services) |
| 147 |
| 148 def testHandleRequest_NothingToDo(self): |
| 149 mr = testing_helpers.MakeMonorailRequest() |
| 150 self.cache_manager.invalidate_tbl.SelectValue( |
| 151 mr.cnxn, 'COUNT(*)').AndReturn(112) |
| 152 self.cache_manager.invalidate_tbl.SelectValue( |
| 153 mr.cnxn, 'COUNT(*)').AndReturn(112) |
| 154 self.mox.ReplayAll() |
| 155 |
| 156 json_data = self.servlet.HandleRequest(mr) |
| 157 self.mox.VerifyAll() |
| 158 self.assertEqual(json_data['old_count'], 112) |
| 159 self.assertEqual(json_data['new_count'], 112) |
| 160 |
| 161 def testHandleRequest_Truncate(self): |
| 162 mr = testing_helpers.MakeMonorailRequest() |
| 163 self.cache_manager.invalidate_tbl.SelectValue( |
| 164 mr.cnxn, 'COUNT(*)').AndReturn(4012) |
| 165 self.cache_manager.invalidate_tbl.Select( |
| 166 mr.cnxn, ['timestep'], |
| 167 order_by=[('timestep DESC', [])], |
| 168 limit=cachemanager_svc.MAX_INVALIDATE_ROWS_TO_CONSIDER |
| 169 ).AndReturn([[3012]]) # Actual would be 1000 rows ending with 3012. |
| 170 self.cache_manager.invalidate_tbl.Delete( |
| 171 mr.cnxn, where=[('timestep < %s', [3012])]) |
| 172 self.cache_manager.invalidate_tbl.SelectValue( |
| 173 mr.cnxn, 'COUNT(*)').AndReturn(1000) |
| 174 self.mox.ReplayAll() |
| 175 |
| 176 json_data = self.servlet.HandleRequest(mr) |
| 177 self.mox.VerifyAll() |
| 178 self.assertEqual(json_data['old_count'], 4012) |
| 179 self.assertEqual(json_data['new_count'], 1000) |
| 180 |
| 181 |
| 182 if __name__ == '__main__': |
| 183 unittest.main() |
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