Mercurial > hg > orthanc
annotate UnitTestsSources/StreamTests.cpp @ 2162:d738945c25cd
migrating TODO from Trello
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 22 Nov 2016 11:29:03 +0100 |
| parents | fd5875662670 |
| children | 84d1d392a9ab |
| rev | line source |
|---|---|
| 1525 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 1525 | 4 * Department, University Hospital of Liege, Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "PrecompiledHeadersUnitTests.h" | |
| 34 #include "gtest/gtest.h" | |
| 35 | |
|
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36 #include "../Core/SystemToolbox.h" |
| 1525 | 37 #include "../Core/Toolbox.h" |
| 38 #include "../Core/OrthancException.h" | |
| 39 #include "../Core/HttpServer/BufferHttpSender.h" | |
| 40 #include "../Core/HttpServer/FilesystemHttpSender.h" | |
| 41 #include "../Core/HttpServer/HttpStreamTranscoder.h" | |
| 42 #include "../Core/Compression/ZlibCompressor.h" | |
| 43 #include "../Core/Compression/GzipCompressor.h" | |
| 44 | |
| 45 | |
| 46 using namespace Orthanc; | |
| 47 | |
| 48 | |
| 49 TEST(Gzip, Basic) | |
| 50 { | |
| 51 std::string s = "Hello world"; | |
| 52 | |
| 53 std::string compressed; | |
| 54 GzipCompressor c; | |
| 55 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 56 IBufferCompressor::Compress(compressed, c, s); | |
| 57 | |
| 58 std::string uncompressed; | |
| 59 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 60 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 61 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 62 } | |
| 63 | |
| 64 | |
| 65 TEST(Gzip, Empty) | |
| 66 { | |
| 67 std::string s; | |
| 68 | |
| 69 std::string compressed; | |
| 70 GzipCompressor c; | |
| 71 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 72 c.SetPrefixWithUncompressedSize(false); | |
| 73 IBufferCompressor::Compress(compressed, c, s); | |
| 74 | |
| 75 std::string uncompressed; | |
| 76 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 77 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 78 } |
| 79 | |
| 80 | |
| 81 TEST(Gzip, BasicWithPrefix) | |
| 82 { | |
| 83 std::string s = "Hello world"; | |
| 84 | |
| 85 std::string compressed; | |
| 86 GzipCompressor c; | |
| 87 c.SetPrefixWithUncompressedSize(true); | |
| 88 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 89 IBufferCompressor::Compress(compressed, c, s); | |
| 90 | |
| 91 std::string uncompressed; | |
| 92 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 93 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 94 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 95 } | |
| 96 | |
| 97 | |
| 98 TEST(Gzip, EmptyWithPrefix) | |
| 99 { | |
| 100 std::string s; | |
| 101 | |
| 102 std::string compressed; | |
| 103 GzipCompressor c; | |
| 104 c.SetPrefixWithUncompressedSize(true); | |
| 105 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 106 IBufferCompressor::Compress(compressed, c, s); | |
| 107 | |
| 108 std::string uncompressed; | |
| 109 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 110 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 111 } |
| 112 | |
| 113 | |
| 114 TEST(Zlib, Basic) | |
| 115 { | |
| 116 std::string s = Toolbox::GenerateUuid(); | |
| 117 s = s + s + s + s; | |
| 118 | |
| 119 std::string compressed, compressed2; | |
| 120 ZlibCompressor c; | |
| 121 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 122 IBufferCompressor::Compress(compressed, c, s); | |
| 123 | |
| 124 std::string uncompressed; | |
| 125 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 126 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 127 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 128 } | |
| 129 | |
| 130 | |
| 131 TEST(Zlib, Level) | |
| 132 { | |
| 133 std::string s = Toolbox::GenerateUuid(); | |
| 134 s = s + s + s + s; | |
| 135 | |
| 136 std::string compressed, compressed2; | |
| 137 ZlibCompressor c; | |
| 138 c.SetCompressionLevel(9); | |
| 139 IBufferCompressor::Compress(compressed, c, s); | |
| 140 | |
| 141 c.SetCompressionLevel(0); | |
| 142 IBufferCompressor::Compress(compressed2, c, s); | |
| 143 | |
| 144 ASSERT_TRUE(compressed.size() < compressed2.size()); | |
| 145 } | |
| 146 | |
| 147 | |
| 148 TEST(Zlib, DISABLED_Corrupted) // Disabled because it may result in a crash | |
| 149 { | |
| 150 std::string s = Toolbox::GenerateUuid(); | |
| 151 s = s + s + s + s; | |
| 152 | |
| 153 std::string compressed; | |
| 154 ZlibCompressor c; | |
| 155 IBufferCompressor::Compress(compressed, c, s); | |
| 156 | |
| 1972 | 157 ASSERT_FALSE(compressed.empty()); |
| 1525 | 158 compressed[compressed.size() - 1] = 'a'; |
| 159 std::string u; | |
| 160 | |
| 161 ASSERT_THROW(IBufferCompressor::Uncompress(u, c, compressed), OrthancException); | |
| 162 } | |
| 163 | |
| 164 | |
| 165 TEST(Zlib, Empty) | |
| 166 { | |
| 167 std::string s = ""; | |
| 168 | |
| 169 std::string compressed, compressed2; | |
| 170 ZlibCompressor c; | |
| 171 IBufferCompressor::Compress(compressed, c, s); | |
| 172 ASSERT_EQ(compressed, compressed2); | |
| 173 | |
| 174 std::string uncompressed; | |
| 175 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 176 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 177 } |
| 178 | |
| 179 | |
| 180 static bool ReadAllStream(std::string& result, | |
| 181 IHttpStreamAnswer& stream, | |
| 182 bool allowGzip = false, | |
| 183 bool allowDeflate = false) | |
| 184 { | |
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185 stream.SetupHttpCompression(allowGzip, allowDeflate); |
| 1525 | 186 |
| 1545 | 187 result.resize(static_cast<size_t>(stream.GetContentLength())); |
| 1525 | 188 |
| 189 size_t pos = 0; | |
| 190 while (stream.ReadNextChunk()) | |
| 191 { | |
| 192 size_t s = stream.GetChunkSize(); | |
| 193 if (pos + s > result.size()) | |
| 194 { | |
| 195 return false; | |
| 196 } | |
| 197 | |
| 198 memcpy(&result[pos], stream.GetChunkContent(), s); | |
| 199 pos += s; | |
| 200 } | |
| 201 | |
| 202 return pos == result.size(); | |
| 203 } | |
| 204 | |
| 205 | |
| 206 TEST(BufferHttpSender, Basic) | |
| 207 { | |
| 208 const std::string s = "Hello world"; | |
| 209 std::string t; | |
| 210 | |
| 211 { | |
| 212 BufferHttpSender sender; | |
| 213 sender.SetChunkSize(1); | |
| 214 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 215 ASSERT_EQ(0u, t.size()); | |
| 216 } | |
| 217 | |
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218 for (int cs = 0; cs < 5; cs++) |
| 1525 | 219 { |
| 220 BufferHttpSender sender; | |
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221 sender.SetChunkSize(cs); |
| 1525 | 222 sender.GetBuffer() = s; |
| 223 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 224 ASSERT_EQ(s, t); | |
| 225 } | |
| 226 } | |
| 227 | |
| 228 | |
| 229 TEST(FilesystemHttpSender, Basic) | |
| 230 { | |
| 231 const std::string& path = "UnitTestsResults/stream"; | |
| 232 const std::string s = "Hello world"; | |
| 233 std::string t; | |
| 234 | |
| 235 { | |
| 2140 | 236 SystemToolbox::WriteFile(s, path); |
| 1525 | 237 FilesystemHttpSender sender(path); |
| 238 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 239 ASSERT_EQ(s, t); | |
| 240 } | |
| 241 | |
| 242 { | |
| 2140 | 243 SystemToolbox::WriteFile("", path); |
| 1525 | 244 FilesystemHttpSender sender(path); |
| 245 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 246 ASSERT_EQ(0u, t.size()); | |
| 247 } | |
| 248 } | |
| 249 | |
| 250 | |
| 251 TEST(HttpStreamTranscoder, Basic) | |
| 252 { | |
| 253 ZlibCompressor compressor; | |
| 254 | |
| 255 const std::string s = "Hello world " + Toolbox::GenerateUuid(); | |
| 256 | |
| 257 std::string t; | |
| 258 IBufferCompressor::Compress(t, compressor, s); | |
| 259 | |
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260 for (int cs = 0; cs < 5; cs++) |
| 1525 | 261 { |
| 262 BufferHttpSender sender; | |
| 263 sender.SetChunkSize(cs); | |
| 264 sender.GetBuffer() = t; | |
| 265 std::string u; | |
| 266 ASSERT_TRUE(ReadAllStream(u, sender)); | |
| 267 | |
| 268 std::string v; | |
| 269 IBufferCompressor::Uncompress(v, compressor, u); | |
| 270 ASSERT_EQ(s, v); | |
| 271 } | |
| 272 | |
| 273 // Pass-through test, no decompression occurs | |
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274 for (int cs = 0; cs < 5; cs++) |
| 1525 | 275 { |
| 276 BufferHttpSender sender; | |
| 277 sender.SetChunkSize(cs); | |
| 278 sender.GetBuffer() = t; | |
| 279 | |
| 280 HttpStreamTranscoder transcode(sender, CompressionType_None); | |
| 281 | |
| 282 std::string u; | |
| 283 ASSERT_TRUE(ReadAllStream(u, transcode)); | |
| 284 | |
| 285 ASSERT_EQ(t, u); | |
| 286 } | |
| 287 | |
| 288 // Pass-through test, decompression occurs | |
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289 for (int cs = 0; cs < 5; cs++) |
| 1525 | 290 { |
| 291 BufferHttpSender sender; | |
| 292 sender.SetChunkSize(cs); | |
| 293 sender.GetBuffer() = t; | |
| 294 | |
| 295 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 296 | |
| 297 std::string u; | |
| 298 ASSERT_TRUE(ReadAllStream(u, transcode, false, false)); | |
| 299 | |
| 300 ASSERT_EQ(s, u); | |
| 301 } | |
| 302 | |
| 303 // Pass-through test with zlib, no decompression occurs but deflate is sent | |
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304 for (int cs = 0; cs < 16; cs++) |
| 1525 | 305 { |
| 306 BufferHttpSender sender; | |
| 307 sender.SetChunkSize(cs); | |
| 308 sender.GetBuffer() = t; | |
| 309 | |
| 310 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 311 | |
| 312 std::string u; | |
| 313 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); | |
| 314 | |
| 315 ASSERT_EQ(t.size() - sizeof(uint64_t), u.size()); | |
| 316 ASSERT_EQ(t.substr(sizeof(uint64_t)), u); | |
| 317 } | |
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318 |
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319 for (int cs = 0; cs < 3; cs++) |
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320 { |
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321 BufferHttpSender sender; |
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322 sender.SetChunkSize(cs); |
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323 |
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324 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); |
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325 std::string u; |
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326 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); |
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327 |
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328 ASSERT_EQ(0u, u.size()); |
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329 } |
| 1525 | 330 } |