1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/nacl_host/pnacl_translation_cache.h" 6 7 #include "base/files/file_path.h" 8 #include "base/files/scoped_temp_dir.h" 9 #include "base/message_loop/message_loop.h" 10 #include "base/run_loop.h" 11 #include "components/nacl/common/pnacl_types.h" 12 #include "content/public/browser/browser_thread.h" 13 #include "content/public/test/test_browser_thread_bundle.h" 14 #include "net/base/io_buffer.h" 15 #include "net/base/test_completion_callback.h" 16 #include "testing/gtest/include/gtest/gtest.h" 17 18 using content::BrowserThread; 19 using base::FilePath; 20 21 namespace pnacl { 22 23 class PnaclTranslationCacheTest : public testing::Test { 24 protected: 25 PnaclTranslationCacheTest() 26 : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {} 27 virtual ~PnaclTranslationCacheTest() {} 28 virtual void SetUp() { cache_ = new PnaclTranslationCache(); } 29 virtual void TearDown() { 30 // The destructor of PnaclTranslationCacheWriteEntry posts a task to the IO 31 // thread to close the backend cache entry. We want to make sure the entries 32 // are closed before we delete the backend (and in particular the destructor 33 // for the memory backend has a DCHECK to verify this), so we run the loop 34 // here to ensure the task gets processed. 35 base::RunLoop().RunUntilIdle(); 36 delete cache_; 37 } 38 39 void InitBackend(bool in_mem); 40 void StoreNexe(const std::string& key, const std::string& nexe); 41 std::string GetNexe(const std::string& key); 42 43 PnaclTranslationCache* cache_; 44 content::TestBrowserThreadBundle thread_bundle_; 45 base::ScopedTempDir temp_dir_; 46 }; 47 48 void PnaclTranslationCacheTest::InitBackend(bool in_mem) { 49 net::TestCompletionCallback init_cb; 50 if (!in_mem) { 51 ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); 52 } 53 int rv = cache_->InitCache(temp_dir_.path(), in_mem, init_cb.callback()); 54 if (in_mem) 55 ASSERT_EQ(net::OK, rv); 56 ASSERT_EQ(net::OK, init_cb.GetResult(rv)); 57 ASSERT_EQ(0, cache_->Size()); 58 } 59 60 void PnaclTranslationCacheTest::StoreNexe(const std::string& key, 61 const std::string& nexe) { 62 net::TestCompletionCallback store_cb; 63 scoped_refptr<net::DrainableIOBuffer> nexe_buf( 64 new net::DrainableIOBuffer(new net::StringIOBuffer(nexe), nexe.size())); 65 cache_->StoreNexe(key, nexe_buf, store_cb.callback()); 66 // Using ERR_IO_PENDING here causes the callback to wait for the result 67 // which should be harmless even if it returns OK immediately. This is because 68 // we don't plumb the intermediate writing stages all the way out. 69 EXPECT_EQ(net::OK, store_cb.GetResult(net::ERR_IO_PENDING)); 70 } 71 72 // Inspired by net::TestCompletionCallback. Instantiate a TestNexeCallback and 73 // pass the GetNexeCallback returned by the callback() method to GetNexe. 74 // Then call GetResult, which will pump the message loop until it gets a result, 75 // return the resulting IOBuffer and fill in the return value 76 class TestNexeCallback { 77 public: 78 TestNexeCallback() 79 : have_result_(false), 80 result_(-1), 81 cb_(base::Bind(&TestNexeCallback::SetResult, base::Unretained(this))) {} 82 GetNexeCallback callback() { return cb_; } 83 net::DrainableIOBuffer* GetResult(int* result) { 84 while (!have_result_) 85 base::RunLoop().RunUntilIdle(); 86 have_result_ = false; 87 *result = result_; 88 return buf_.get(); 89 } 90 91 private: 92 void SetResult(int rv, scoped_refptr<net::DrainableIOBuffer> buf) { 93 have_result_ = true; 94 result_ = rv; 95 buf_ = buf; 96 } 97 bool have_result_; 98 int result_; 99 scoped_refptr<net::DrainableIOBuffer> buf_; 100 const GetNexeCallback cb_; 101 }; 102 103 std::string PnaclTranslationCacheTest::GetNexe(const std::string& key) { 104 TestNexeCallback load_cb; 105 cache_->GetNexe(key, load_cb.callback()); 106 int rv; 107 scoped_refptr<net::DrainableIOBuffer> buf(load_cb.GetResult(&rv)); 108 EXPECT_EQ(net::OK, rv); 109 std::string nexe(buf->data(), buf->size()); 110 return nexe; 111 } 112 113 static const std::string test_key("1"); 114 static const std::string test_store_val("testnexe"); 115 static const int kLargeNexeSize = 16 * 1024 * 1024; 116 117 TEST(PnaclTranslationCacheKeyTest, CacheKeyTest) { 118 nacl::PnaclCacheInfo info; 119 info.pexe_url = GURL("http://www.google.com"); 120 info.abi_version = 0; 121 info.opt_level = 0; 122 std::string test_time("Wed, 15 Nov 1995 06:25:24 GMT"); 123 base::Time::FromString(test_time.c_str(), &info.last_modified); 124 // Basic check for URL and time components 125 EXPECT_EQ("ABI:0;opt:0;URL:http://www.google.com/;" 126 "modified:1995:11:15:6:25:24:0:UTC;etag:", 127 PnaclTranslationCache::GetKey(info)); 128 // Check that query portion of URL is not stripped 129 info.pexe_url = GURL("http://www.google.com/?foo=bar"); 130 EXPECT_EQ("ABI:0;opt:0;URL:http://www.google.com/?foo=bar;" 131 "modified:1995:11:15:6:25:24:0:UTC;etag:", 132 PnaclTranslationCache::GetKey(info)); 133 // Check that username, password, and normal port are stripped 134 info.pexe_url = GURL("https://user:host@www.google.com:443/"); 135 EXPECT_EQ("ABI:0;opt:0;URL:https://www.google.com/;" 136 "modified:1995:11:15:6:25:24:0:UTC;etag:", 137 PnaclTranslationCache::GetKey(info)); 138 // Check that unusual port is not stripped but ref is stripped 139 info.pexe_url = GURL("https://www.google.com:444/#foo"); 140 EXPECT_EQ("ABI:0;opt:0;URL:https://www.google.com:444/;" 141 "modified:1995:11:15:6:25:24:0:UTC;etag:", 142 PnaclTranslationCache::GetKey(info)); 143 // Check chrome-extesnsion scheme 144 info.pexe_url = GURL("chrome-extension://ljacajndfccfgnfohlgkdphmbnpkjflk/"); 145 EXPECT_EQ("ABI:0;opt:0;" 146 "URL:chrome-extension://ljacajndfccfgnfohlgkdphmbnpkjflk/;" 147 "modified:1995:11:15:6:25:24:0:UTC;etag:", 148 PnaclTranslationCache::GetKey(info)); 149 // Check that ABI version, opt level, and etag are in the key 150 info.pexe_url = GURL("http://www.google.com/"); 151 info.abi_version = 2; 152 EXPECT_EQ("ABI:2;opt:0;URL:http://www.google.com/;" 153 "modified:1995:11:15:6:25:24:0:UTC;etag:", 154 PnaclTranslationCache::GetKey(info)); 155 info.opt_level = 2; 156 EXPECT_EQ("ABI:2;opt:2;URL:http://www.google.com/;" 157 "modified:1995:11:15:6:25:24:0:UTC;etag:", 158 PnaclTranslationCache::GetKey(info)); 159 info.etag = std::string("etag"); 160 EXPECT_EQ("ABI:2;opt:2;URL:http://www.google.com/;" 161 "modified:1995:11:15:6:25:24:0:UTC;etag:etag", 162 PnaclTranslationCache::GetKey(info)); 163 164 // Check for all the time components, and null time 165 info.last_modified = base::Time(); 166 EXPECT_EQ("ABI:2;opt:2;URL:http://www.google.com/;" 167 "modified:0:0:0:0:0:0:0:UTC;etag:etag", 168 PnaclTranslationCache::GetKey(info)); 169 test_time.assign("Fri, 29 Feb 2008 13:04:12 GMT"); 170 base::Time::FromString(test_time.c_str(), &info.last_modified); 171 EXPECT_EQ("ABI:2;opt:2;URL:http://www.google.com/;" 172 "modified:2008:2:29:13:4:12:0:UTC;etag:etag", 173 PnaclTranslationCache::GetKey(info)); 174 } 175 176 TEST_F(PnaclTranslationCacheTest, StoreSmallInMem) { 177 // Test that a single store puts something in the mem backend 178 InitBackend(true); 179 StoreNexe(test_key, test_store_val); 180 EXPECT_EQ(1, cache_->Size()); 181 } 182 183 TEST_F(PnaclTranslationCacheTest, StoreSmallOnDisk) { 184 // Test that a single store puts something in the disk backend 185 InitBackend(false); 186 StoreNexe(test_key, test_store_val); 187 EXPECT_EQ(1, cache_->Size()); 188 } 189 190 TEST_F(PnaclTranslationCacheTest, StoreLargeOnDisk) { 191 // Test a value too large(?) for a single I/O operation 192 InitBackend(false); 193 const std::string large_buffer(kLargeNexeSize, 'a'); 194 StoreNexe(test_key, large_buffer); 195 EXPECT_EQ(1, cache_->Size()); 196 } 197 198 TEST_F(PnaclTranslationCacheTest, InMemSizeLimit) { 199 InitBackend(true); 200 scoped_refptr<net::DrainableIOBuffer> large_buffer(new net::DrainableIOBuffer( 201 new net::StringIOBuffer(std::string(kMaxMemCacheSize + 1, 'a')), 202 kMaxMemCacheSize + 1)); 203 net::TestCompletionCallback store_cb; 204 cache_->StoreNexe(test_key, large_buffer, store_cb.callback()); 205 EXPECT_EQ(net::ERR_FAILED, store_cb.GetResult(net::ERR_IO_PENDING)); 206 base::RunLoop().RunUntilIdle(); // Ensure the entry is closed. 207 EXPECT_EQ(0, cache_->Size()); 208 } 209 210 TEST_F(PnaclTranslationCacheTest, GetOneInMem) { 211 InitBackend(true); 212 StoreNexe(test_key, test_store_val); 213 EXPECT_EQ(1, cache_->Size()); 214 EXPECT_EQ(0, GetNexe(test_key).compare(test_store_val)); 215 } 216 217 TEST_F(PnaclTranslationCacheTest, GetOneOnDisk) { 218 InitBackend(false); 219 StoreNexe(test_key, test_store_val); 220 EXPECT_EQ(1, cache_->Size()); 221 EXPECT_EQ(0, GetNexe(test_key).compare(test_store_val)); 222 } 223 224 TEST_F(PnaclTranslationCacheTest, GetLargeOnDisk) { 225 InitBackend(false); 226 const std::string large_buffer(kLargeNexeSize, 'a'); 227 StoreNexe(test_key, large_buffer); 228 EXPECT_EQ(1, cache_->Size()); 229 EXPECT_EQ(0, GetNexe(test_key).compare(large_buffer)); 230 } 231 232 TEST_F(PnaclTranslationCacheTest, StoreTwice) { 233 // Test that storing twice with the same key overwrites 234 InitBackend(true); 235 StoreNexe(test_key, test_store_val); 236 StoreNexe(test_key, test_store_val + "aaa"); 237 EXPECT_EQ(1, cache_->Size()); 238 EXPECT_EQ(0, GetNexe(test_key).compare(test_store_val + "aaa")); 239 } 240 241 TEST_F(PnaclTranslationCacheTest, StoreTwo) { 242 InitBackend(true); 243 StoreNexe(test_key, test_store_val); 244 StoreNexe(test_key + "a", test_store_val + "aaa"); 245 EXPECT_EQ(2, cache_->Size()); 246 EXPECT_EQ(0, GetNexe(test_key).compare(test_store_val)); 247 EXPECT_EQ(0, GetNexe(test_key + "a").compare(test_store_val + "aaa")); 248 } 249 250 TEST_F(PnaclTranslationCacheTest, GetMiss) { 251 InitBackend(true); 252 StoreNexe(test_key, test_store_val); 253 TestNexeCallback load_cb; 254 std::string nexe; 255 cache_->GetNexe(test_key + "a", load_cb.callback()); 256 int rv; 257 scoped_refptr<net::DrainableIOBuffer> buf(load_cb.GetResult(&rv)); 258 EXPECT_EQ(net::ERR_FAILED, rv); 259 } 260 261 } // namespace pnacl 262
