Mercurial > hg > orthanc
annotate UnitTestsSources/MemoryCacheTests.cpp @ 1033:b24954e7ebfa Orthanc-0.8.0
Orthanc-0.8.0
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 10 Jul 2014 15:54:51 +0200 |
parents | dfc076546821 |
children | 6e7e5ed91c2d |
rev | line source |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
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4 * Belgium |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "PrecompiledHeadersUnitTests.h" |
282 | 34 #include "gtest/gtest.h" |
35 | |
283 | 36 #include <glog/logging.h> |
282 | 37 #include <memory> |
283 | 38 #include <boost/thread.hpp> |
39 #include <boost/lexical_cast.hpp> | |
282 | 40 #include "../Core/IDynamicObject.h" |
284
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41 #include "../Core/Cache/MemoryCache.h" |
282 | 42 |
43 | |
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44 TEST(LRU, Basic) |
282 | 45 { |
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46 Orthanc::LeastRecentlyUsedIndex<std::string> r; |
282 | 47 |
48 r.Add("d"); | |
49 r.Add("a"); | |
50 r.Add("c"); | |
51 r.Add("b"); | |
52 | |
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53 r.MakeMostRecent("a"); |
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54 r.MakeMostRecent("d"); |
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55 r.MakeMostRecent("b"); |
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56 r.MakeMostRecent("c"); |
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57 r.MakeMostRecent("d"); |
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58 r.MakeMostRecent("c"); |
282 | 59 |
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60 ASSERT_EQ("a", r.GetOldest()); |
282 | 61 ASSERT_EQ("a", r.RemoveOldest()); |
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62 ASSERT_EQ("b", r.GetOldest()); |
282 | 63 ASSERT_EQ("b", r.RemoveOldest()); |
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64 ASSERT_EQ("d", r.GetOldest()); |
282 | 65 ASSERT_EQ("d", r.RemoveOldest()); |
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66 ASSERT_EQ("c", r.GetOldest()); |
282 | 67 ASSERT_EQ("c", r.RemoveOldest()); |
68 | |
69 ASSERT_TRUE(r.IsEmpty()); | |
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70 |
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71 ASSERT_THROW(r.GetOldest(), Orthanc::OrthancException); |
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72 ASSERT_THROW(r.RemoveOldest(), Orthanc::OrthancException); |
282 | 73 } |
74 | |
75 | |
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76 TEST(LRU, Payload) |
282 | 77 { |
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78 Orthanc::LeastRecentlyUsedIndex<std::string, int> r; |
282 | 79 |
80 r.Add("a", 420); | |
81 r.Add("b", 421); | |
82 r.Add("c", 422); | |
83 r.Add("d", 423); | |
84 | |
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85 r.MakeMostRecent("a"); |
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86 r.MakeMostRecent("d"); |
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87 r.MakeMostRecent("b"); |
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88 r.MakeMostRecent("c"); |
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89 r.MakeMostRecent("d"); |
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90 r.MakeMostRecent("c"); |
282 | 91 |
92 ASSERT_TRUE(r.Contains("b")); | |
93 ASSERT_EQ(421, r.Invalidate("b")); | |
94 ASSERT_FALSE(r.Contains("b")); | |
95 | |
96 int p; | |
283 | 97 ASSERT_TRUE(r.Contains("a", p)); ASSERT_EQ(420, p); |
98 ASSERT_TRUE(r.Contains("c", p)); ASSERT_EQ(422, p); | |
99 ASSERT_TRUE(r.Contains("d", p)); ASSERT_EQ(423, p); | |
100 | |
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101 ASSERT_EQ("a", r.GetOldest()); |
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102 ASSERT_EQ(420, r.GetOldestPayload()); |
282 | 103 ASSERT_EQ("a", r.RemoveOldest(p)); ASSERT_EQ(420, p); |
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104 |
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105 ASSERT_EQ("d", r.GetOldest()); |
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106 ASSERT_EQ(423, r.GetOldestPayload()); |
282 | 107 ASSERT_EQ("d", r.RemoveOldest(p)); ASSERT_EQ(423, p); |
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108 |
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109 ASSERT_EQ("c", r.GetOldest()); |
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110 ASSERT_EQ(422, r.GetOldestPayload()); |
282 | 111 ASSERT_EQ("c", r.RemoveOldest(p)); ASSERT_EQ(422, p); |
112 | |
113 ASSERT_TRUE(r.IsEmpty()); | |
114 } | |
115 | |
116 | |
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117 TEST(LRU, PayloadUpdate) |
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118 { |
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119 Orthanc::LeastRecentlyUsedIndex<std::string, int> r; |
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120 |
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121 r.Add("a", 420); |
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122 r.Add("b", 421); |
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123 r.Add("d", 423); |
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124 |
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125 r.MakeMostRecent("a", 424); |
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126 r.MakeMostRecent("d", 421); |
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127 |
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128 ASSERT_EQ("b", r.GetOldest()); |
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129 ASSERT_EQ(421, r.GetOldestPayload()); |
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130 r.RemoveOldest(); |
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131 |
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132 ASSERT_EQ("a", r.GetOldest()); |
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133 ASSERT_EQ(424, r.GetOldestPayload()); |
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134 r.RemoveOldest(); |
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135 |
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136 ASSERT_EQ("d", r.GetOldest()); |
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137 ASSERT_EQ(421, r.GetOldestPayload()); |
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138 r.RemoveOldest(); |
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139 |
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140 ASSERT_TRUE(r.IsEmpty()); |
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141 } |
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142 |
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143 |
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144 |
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145 TEST(LRU, PayloadUpdateBis) |
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146 { |
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147 Orthanc::LeastRecentlyUsedIndex<std::string, int> r; |
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148 |
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149 r.AddOrMakeMostRecent("a", 420); |
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150 r.AddOrMakeMostRecent("b", 421); |
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151 r.AddOrMakeMostRecent("d", 423); |
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152 r.AddOrMakeMostRecent("a", 424); |
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153 r.AddOrMakeMostRecent("d", 421); |
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154 |
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155 ASSERT_EQ("b", r.GetOldest()); |
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156 ASSERT_EQ(421, r.GetOldestPayload()); |
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157 r.RemoveOldest(); |
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158 |
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159 ASSERT_EQ("a", r.GetOldest()); |
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160 ASSERT_EQ(424, r.GetOldestPayload()); |
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161 r.RemoveOldest(); |
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162 |
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163 ASSERT_EQ("d", r.GetOldest()); |
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164 ASSERT_EQ(421, r.GetOldestPayload()); |
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165 r.RemoveOldest(); |
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166 |
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167 ASSERT_TRUE(r.IsEmpty()); |
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168 } |
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169 |
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170 |
283 | 171 |
172 | |
173 namespace | |
174 { | |
175 class Integer : public Orthanc::IDynamicObject | |
176 { | |
177 private: | |
178 std::string& log_; | |
179 int value_; | |
282 | 180 |
181 public: | |
283 | 182 Integer(std::string& log, int v) : log_(log), value_(v) |
183 { | |
184 } | |
185 | |
186 virtual ~Integer() | |
187 { | |
188 LOG(INFO) << "Removing cache entry for " << value_; | |
189 log_ += boost::lexical_cast<std::string>(value_) + " "; | |
190 } | |
191 | |
192 int GetValue() const | |
193 { | |
194 return value_; | |
195 } | |
196 }; | |
197 | |
284
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198 class IntegerProvider : public Orthanc::ICachePageProvider |
283 | 199 { |
200 public: | |
201 std::string log_; | |
202 | |
203 Orthanc::IDynamicObject* Provide(const std::string& s) | |
204 { | |
205 LOG(INFO) << "Providing " << s; | |
206 return new Integer(log_, boost::lexical_cast<int>(s)); | |
207 } | |
282 | 208 }; |
209 } | |
283 | 210 |
211 | |
212 TEST(MemoryCache, Basic) | |
213 { | |
214 IntegerProvider provider; | |
215 | |
216 { | |
217 Orthanc::MemoryCache cache(provider, 3); | |
285
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218 cache.Access("42"); // 42 -> exit |
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219 cache.Access("43"); // 43, 42 -> exit |
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220 cache.Access("45"); // 45, 43, 42 -> exit |
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221 cache.Access("42"); // 42, 45, 43 -> exit |
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222 cache.Access("43"); // 43, 42, 45 -> exit |
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223 cache.Access("47"); // 45 is removed; 47, 43, 42 -> exit |
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224 cache.Access("44"); // 42 is removed; 44, 47, 43 -> exit |
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225 cache.Access("42"); // 43 is removed; 42, 44, 47 -> exit |
283 | 226 // Closing the cache: 47, 44, 42 are successively removed |
227 } | |
228 | |
229 ASSERT_EQ("45 42 43 47 44 42 ", provider.log_); | |
230 } |