extensions/common/file_util_unittest.cc

   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 "extensions/common/file_util.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/files/file_util.h"
   9 #include "base/files/scoped_temp_dir.h"
  10 #include "base/json/json_string_value_serializer.h"
  11 #include "base/path_service.h"
  12 #include "base/strings/stringprintf.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "extensions/common/constants.h"
  15 #include "extensions/common/extension.h"
  16 #include "extensions/common/extension_paths.h"
  17 #include "extensions/common/manifest.h"
  18 #include "extensions/common/manifest_constants.h"
  19 #include "grit/extensions_strings.h"
  20 #include "testing/gmock/include/gmock/gmock.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22 #include "ui/base/l10n/l10n_util.h"
  23 #include "url/gurl.h"
  24
  25 namespace extensions {
  26
  27 namespace {
  28
  29 scoped_refptr<Extension> LoadExtensionManifest(
  30     base::DictionaryValue* manifest,
  31     const base::FilePath& manifest_dir,
  32     Manifest::Location location,
  33     int extra_flags,
  34     std::string* error) {
  35   scoped_refptr<Extension> extension =
  36       Extension::Create(manifest_dir, location, *manifest, extra_flags, error);
  37   return extension;
  38 }
  39
  40 scoped_refptr<Extension> LoadExtensionManifest(
  41     const std::string& manifest_value,
  42     const base::FilePath& manifest_dir,
  43     Manifest::Location location,
  44     int extra_flags,
  45     std::string* error) {
  46   JSONStringValueDeserializer deserializer(manifest_value);
  47   scoped_ptr<base::Value> result(deserializer.Deserialize(NULL, error));
  48   if (!result.get())
  49     return NULL;
  50   CHECK_EQ(base::Value::TYPE_DICTIONARY, result->GetType());
  51   return LoadExtensionManifest(
  52       static_cast<base::DictionaryValue*>(result.get()),
  53       manifest_dir,
  54       location,
  55       extra_flags,
  56       error);
  57 }
  58
  59 }  // namespace
  60
  61 typedef testing::Test FileUtilTest;
  62
  63 TEST_F(FileUtilTest, InstallUninstallGarbageCollect) {
  64   base::ScopedTempDir temp;
  65   ASSERT_TRUE(temp.CreateUniqueTempDir());
  66
  67   // Create a source extension.
  68   std::string extension_id("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
  69   std::string version("1.0");
  70   base::FilePath src = temp.path().AppendASCII(extension_id);
  71   ASSERT_TRUE(base::CreateDirectory(src));
  72
  73   base::FilePath extension_content;
  74   base::CreateTemporaryFileInDir(src, &extension_content);
  75   ASSERT_TRUE(base::PathExists(extension_content));
  76
  77   // Create a extensions tree.
  78   base::FilePath all_extensions = temp.path().AppendASCII("extensions");
  79   ASSERT_TRUE(base::CreateDirectory(all_extensions));
  80
  81   // Install in empty directory. Should create parent directories as needed.
  82   base::FilePath version_1 =
  83       file_util::InstallExtension(src, extension_id, version, all_extensions);
  84   ASSERT_EQ(
  85       version_1.value(),
  86       all_extensions.AppendASCII(extension_id).AppendASCII("1.0_0").value());
  87   ASSERT_TRUE(base::DirectoryExists(version_1));
  88   ASSERT_TRUE(base::PathExists(version_1.Append(extension_content.BaseName())));
  89
  90   // Should have moved the source.
  91   ASSERT_FALSE(base::DirectoryExists(src));
  92
  93   // Install again. Should create a new one with different name.
  94   ASSERT_TRUE(base::CreateDirectory(src));
  95   base::FilePath version_2 =
  96       file_util::InstallExtension(src, extension_id, version, all_extensions);
  97   ASSERT_EQ(
  98       version_2.value(),
  99       all_extensions.AppendASCII(extension_id).AppendASCII("1.0_1").value());
 100   ASSERT_TRUE(base::DirectoryExists(version_2));
 101
 102   // Should have moved the source.
 103   ASSERT_FALSE(base::DirectoryExists(src));
 104
 105   // Install yet again. Should create a new one with a different name.
 106   ASSERT_TRUE(base::CreateDirectory(src));
 107   base::FilePath version_3 =
 108       file_util::InstallExtension(src, extension_id, version, all_extensions);
 109   ASSERT_EQ(
 110       version_3.value(),
 111       all_extensions.AppendASCII(extension_id).AppendASCII("1.0_2").value());
 112   ASSERT_TRUE(base::DirectoryExists(version_3));
 113
 114   // Uninstall. Should remove entire extension subtree.
 115   file_util::UninstallExtension(all_extensions, extension_id);
 116   ASSERT_FALSE(base::DirectoryExists(version_1.DirName()));
 117   ASSERT_FALSE(base::DirectoryExists(version_2.DirName()));
 118   ASSERT_FALSE(base::DirectoryExists(version_3.DirName()));
 119   ASSERT_TRUE(base::DirectoryExists(all_extensions));
 120 }
 121
 122 TEST_F(FileUtilTest, LoadExtensionWithValidLocales) {
 123   base::FilePath install_dir;
 124   ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &install_dir));
 125   install_dir = install_dir.AppendASCII("extension_with_locales");
 126
 127   std::string error;
 128   scoped_refptr<Extension> extension(file_util::LoadExtension(
 129       install_dir, Manifest::UNPACKED, Extension::NO_FLAGS, &error));
 130   ASSERT_TRUE(extension.get() != NULL);
 131   EXPECT_EQ("The first extension that I made.", extension->description());
 132 }
 133
 134 TEST_F(FileUtilTest, LoadExtensionWithoutLocalesFolder) {
 135   base::FilePath install_dir;
 136   ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &install_dir));
 137   install_dir = install_dir.AppendASCII("extension_without_locales");
 138
 139   std::string error;
 140   scoped_refptr<Extension> extension(file_util::LoadExtension(
 141       install_dir, Manifest::UNPACKED, Extension::NO_FLAGS, &error));
 142   ASSERT_FALSE(extension.get() == NULL);
 143   EXPECT_TRUE(error.empty());
 144 }
 145
 146 TEST_F(FileUtilTest, CheckIllegalFilenamesNoUnderscores) {
 147   base::ScopedTempDir temp;
 148   ASSERT_TRUE(temp.CreateUniqueTempDir());
 149
 150   base::FilePath src_path = temp.path().AppendASCII("some_dir");
 151   ASSERT_TRUE(base::CreateDirectory(src_path));
 152
 153   std::string data = "{ \"name\": { \"message\": \"foobar\" } }";
 154   ASSERT_TRUE(base::WriteFile(
 155       src_path.AppendASCII("some_file.txt"), data.c_str(), data.length()));
 156   std::string error;
 157   EXPECT_TRUE(file_util::CheckForIllegalFilenames(temp.path(), &error));
 158 }
 159
 160 TEST_F(FileUtilTest, CheckIllegalFilenamesOnlyReserved) {
 161   base::ScopedTempDir temp;
 162   ASSERT_TRUE(temp.CreateUniqueTempDir());
 163
 164   const base::FilePath::CharType* folders[] = {
 165       extensions::kLocaleFolder, extensions::kPlatformSpecificFolder};
 166
 167   for (size_t i = 0; i < arraysize(folders); i++) {
 168     base::FilePath src_path = temp.path().Append(folders[i]);
 169     ASSERT_TRUE(base::CreateDirectory(src_path));
 170   }
 171
 172   std::string error;
 173   EXPECT_TRUE(file_util::CheckForIllegalFilenames(temp.path(), &error));
 174 }
 175
 176 TEST_F(FileUtilTest, CheckIllegalFilenamesReservedAndIllegal) {
 177   base::ScopedTempDir temp;
 178   ASSERT_TRUE(temp.CreateUniqueTempDir());
 179
 180   base::FilePath src_path = temp.path().Append(extensions::kLocaleFolder);
 181   ASSERT_TRUE(base::CreateDirectory(src_path));
 182
 183   src_path = temp.path().AppendASCII("_some_dir");
 184   ASSERT_TRUE(base::CreateDirectory(src_path));
 185
 186   std::string error;
 187   EXPECT_FALSE(file_util::CheckForIllegalFilenames(temp.path(), &error));
 188 }
 189
 190 // These tests do not work on Windows, because it is illegal to create a
 191 // file/directory with a Windows reserved name. Because we cannot create a
 192 // file that will cause the test to fail, let's skip the test.
 193 #if !defined(OS_WIN)
 194 TEST_F(FileUtilTest, CheckIllegalFilenamesDirectoryWindowsReserved) {
 195   base::ScopedTempDir temp;
 196   ASSERT_TRUE(temp.CreateUniqueTempDir());
 197
 198   base::FilePath src_path = temp.path().AppendASCII("aux");
 199   ASSERT_TRUE(base::CreateDirectory(src_path));
 200
 201   std::string error;
 202   EXPECT_FALSE(
 203       file_util::CheckForWindowsReservedFilenames(temp.path(), &error));
 204 }
 205
 206 TEST_F(FileUtilTest,
 207        CheckIllegalFilenamesWindowsReservedFilenameWithExtension) {
 208   base::ScopedTempDir temp;
 209   ASSERT_TRUE(temp.CreateUniqueTempDir());
 210
 211   base::FilePath src_path = temp.path().AppendASCII("some_dir");
 212   ASSERT_TRUE(base::CreateDirectory(src_path));
 213
 214   std::string data = "{ \"name\": { \"message\": \"foobar\" } }";
 215   ASSERT_TRUE(base::WriteFile(src_path.AppendASCII("lpt1.txt"), data.c_str(),
 216                               data.length()));
 217
 218   std::string error;
 219   EXPECT_FALSE(
 220       file_util::CheckForWindowsReservedFilenames(temp.path(), &error));
 221 }
 222 #endif
 223
 224 TEST_F(FileUtilTest, LoadExtensionGivesHelpfullErrorOnMissingManifest) {
 225   base::FilePath install_dir;
 226   ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &install_dir));
 227   install_dir =
 228       install_dir.AppendASCII("file_util").AppendASCII("missing_manifest");
 229
 230   std::string error;
 231   scoped_refptr<Extension> extension(file_util::LoadExtension(
 232       install_dir, Manifest::UNPACKED, Extension::NO_FLAGS, &error));
 233   ASSERT_TRUE(extension.get() == NULL);
 234   ASSERT_FALSE(error.empty());
 235   ASSERT_STREQ("Manifest file is missing or unreadable.", error.c_str());
 236 }
 237
 238 TEST_F(FileUtilTest, LoadExtensionGivesHelpfullErrorOnBadManifest) {
 239   base::FilePath install_dir;
 240   ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &install_dir));
 241   install_dir =
 242       install_dir.AppendASCII("file_util").AppendASCII("bad_manifest");
 243
 244   std::string error;
 245   scoped_refptr<Extension> extension(file_util::LoadExtension(
 246       install_dir, Manifest::UNPACKED, Extension::NO_FLAGS, &error));
 247   ASSERT_TRUE(extension.get() == NULL);
 248   ASSERT_FALSE(error.empty());
 249   ASSERT_STREQ(
 250       "Manifest is not valid JSON.  "
 251       "Line: 2, column: 16, Syntax error.",
 252       error.c_str());
 253 }
 254
 255 TEST_F(FileUtilTest, ValidateThemeUTF8) {
 256   base::ScopedTempDir temp;
 257   ASSERT_TRUE(temp.CreateUniqueTempDir());
 258
 259   // "aeo" with accents. Use http://0xcc.net/jsescape/ to decode them.
 260   std::string non_ascii_file = "\xC3\xA0\xC3\xA8\xC3\xB2.png";
 261   base::FilePath non_ascii_path =
 262       temp.path().Append(base::FilePath::FromUTF8Unsafe(non_ascii_file));
 263   base::WriteFile(non_ascii_path, "", 0);
 264
 265   std::string kManifest = base::StringPrintf(
 266       "{ \"name\": \"Test\", \"version\": \"1.0\", "
 267       "  \"theme\": { \"images\": { \"theme_frame\": \"%s\" } }"
 268       "}",
 269       non_ascii_file.c_str());
 270   std::string error;
 271   scoped_refptr<Extension> extension = LoadExtensionManifest(
 272       kManifest, temp.path(), Manifest::UNPACKED, 0, &error);
 273   ASSERT_TRUE(extension.get()) << error;
 274
 275   std::vector<extensions::InstallWarning> warnings;
 276   EXPECT_TRUE(file_util::ValidateExtension(extension.get(), &error, &warnings))
 277       << error;
 278   EXPECT_EQ(0U, warnings.size());
 279 }
 280
 281 TEST_F(FileUtilTest, BackgroundScriptsMustExist) {
 282   base::ScopedTempDir temp;
 283   ASSERT_TRUE(temp.CreateUniqueTempDir());
 284
 285   scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue());
 286   value->SetString("name", "test");
 287   value->SetString("version", "1");
 288   value->SetInteger("manifest_version", 1);
 289
 290   base::ListValue* scripts = new base::ListValue();
 291   scripts->Append(new base::StringValue("foo.js"));
 292   value->Set("background.scripts", scripts);
 293
 294   std::string error;
 295   std::vector<extensions::InstallWarning> warnings;
 296   scoped_refptr<Extension> extension = LoadExtensionManifest(
 297       value.get(), temp.path(), Manifest::UNPACKED, 0, &error);
 298   ASSERT_TRUE(extension.get()) << error;
 299
 300   EXPECT_FALSE(
 301       file_util::ValidateExtension(extension.get(), &error, &warnings));
 302   EXPECT_EQ(
 303       l10n_util::GetStringFUTF8(IDS_EXTENSION_LOAD_BACKGROUND_SCRIPT_FAILED,
 304                                 base::ASCIIToUTF16("foo.js")),
 305       error);
 306   EXPECT_EQ(0U, warnings.size());
 307
 308   scripts->Clear();
 309   scripts->Append(new base::StringValue("http://google.com/foo.js"));
 310
 311   extension = LoadExtensionManifest(
 312       value.get(), temp.path(), Manifest::UNPACKED, 0, &error);
 313   ASSERT_TRUE(extension.get()) << error;
 314
 315   warnings.clear();
 316   EXPECT_FALSE(
 317       file_util::ValidateExtension(extension.get(), &error, &warnings));
 318   EXPECT_EQ(
 319       l10n_util::GetStringFUTF8(IDS_EXTENSION_LOAD_BACKGROUND_SCRIPT_FAILED,
 320                                 base::ASCIIToUTF16("http://google.com/foo.js")),
 321       error);
 322   EXPECT_EQ(0U, warnings.size());
 323 }
 324
 325 // Private key, generated by Chrome specifically for this test, and
 326 // never used elsewhere.
 327 const char private_key[] =
 328     "-----BEGIN PRIVATE KEY-----\n"
 329     "MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBAKt02SR0FYaYy6fpW\n"
 330     "MAA+kU1BgK3d+OmmWfdr+JATIjhRkyeSF4lTd/71JQsyKqPzYkQPi3EeROWM+goTv\n"
 331     "EhJqq07q63BolpsFmlV+S4ny+sBA2B4aWwRYXlBWikdrQSA0mJMzvEHc6nKzBgXik\n"
 332     "QSVbyyBNAsxlDB9WaCxRVOpK3AgMBAAECgYBGvSPlrVtAOAQ2V8j9FqorKZA8SLPX\n"
 333     "IeJC/yzU3RB2nPMjI17aMOvrUHxJUhzMeh4jwabVvSzzDtKFozPGupW3xaI8sQdi2\n"
 334     "WWMTQIk/Q9HHDWoQ9qA6SwX2qWCc5SyjCKqVp78ye+000kqTJYjBsDgXeAlzKcx2B\n"
 335     "4GAAeWonDdkQJBANNb8wrqNWFn7DqyQTfELzcRTRnqQ/r1pdeJo6obzbnwGnlqe3t\n"
 336     "KhLjtJNIGrQg5iC0OVLWFuvPJs0t3z62A1ckCQQDPq2JZuwTwu5Pl4DJ0r9O1FdqN\n"
 337     "JgqPZyMptokCDQ3khLLGakIu+TqB9YtrzI69rJMSG2Egb+6McaDX+dh3XmR/AkB9t\n"
 338     "xJf6qDnmA2td/tMtTc0NOk8Qdg/fD8xbZ/YfYMnVoYYs9pQoilBaWRePDRNURMLYZ\n"
 339     "vHAI0Llmw7tj7jv17pAkEAz44uXRpjRKtllUIvi5pUENAHwDz+HvdpGH68jpU3hmb\n"
 340     "uOwrmnQYxaMReFV68Z2w9DcLZn07f7/R9Wn72z89CxwJAFsDoNaDes4h48bX7plct\n"
 341     "s9ACjmTwcCigZjN2K7AGv7ntCLF3DnV5dK0dTHNaAdD3SbY3jl29Rk2CwiURSX6Ee\n"
 342     "g==\n"
 343     "-----END PRIVATE KEY-----\n";
 344
 345 TEST_F(FileUtilTest, FindPrivateKeyFiles) {
 346   base::ScopedTempDir temp;
 347   ASSERT_TRUE(temp.CreateUniqueTempDir());
 348
 349   base::FilePath src_path = temp.path().AppendASCII("some_dir");
 350   ASSERT_TRUE(base::CreateDirectory(src_path));
 351
 352   ASSERT_TRUE(base::WriteFile(
 353       src_path.AppendASCII("a_key.pem"), private_key, arraysize(private_key)));
 354   ASSERT_TRUE(base::WriteFile(src_path.AppendASCII("second_key.pem"),
 355                               private_key,
 356                               arraysize(private_key)));
 357   // Shouldn't find a key with a different extension.
 358   ASSERT_TRUE(base::WriteFile(src_path.AppendASCII("key.diff_ext"),
 359                               private_key,
 360                               arraysize(private_key)));
 361   // Shouldn't find a key that isn't parsable.
 362   ASSERT_TRUE(base::WriteFile(src_path.AppendASCII("unparsable_key.pem"),
 363                               private_key,
 364                               arraysize(private_key) - 30));
 365   std::vector<base::FilePath> private_keys =
 366       file_util::FindPrivateKeyFiles(temp.path());
 367   EXPECT_EQ(2U, private_keys.size());
 368   EXPECT_THAT(private_keys,
 369               testing::Contains(src_path.AppendASCII("a_key.pem")));
 370   EXPECT_THAT(private_keys,
 371               testing::Contains(src_path.AppendASCII("second_key.pem")));
 372 }
 373
 374 TEST_F(FileUtilTest, WarnOnPrivateKey) {
 375   base::ScopedTempDir temp;
 376   ASSERT_TRUE(temp.CreateUniqueTempDir());
 377
 378   base::FilePath ext_path = temp.path().AppendASCII("ext_root");
 379   ASSERT_TRUE(base::CreateDirectory(ext_path));
 380
 381   const char manifest[] =
 382       "{\n"
 383       "  \"name\": \"Test Extension\",\n"
 384       "  \"version\": \"1.0\",\n"
 385       "  \"manifest_version\": 2,\n"
 386       "  \"description\": \"The first extension that I made.\"\n"
 387       "}\n";
 388   ASSERT_TRUE(base::WriteFile(
 389       ext_path.AppendASCII("manifest.json"), manifest, strlen(manifest)));
 390   ASSERT_TRUE(base::WriteFile(
 391       ext_path.AppendASCII("a_key.pem"), private_key, strlen(private_key)));
 392
 393   std::string error;
 394   scoped_refptr<Extension> extension(
 395       file_util::LoadExtension(ext_path,
 396                                "the_id",
 397                                Manifest::EXTERNAL_PREF,
 398                                Extension::NO_FLAGS,
 399                                &error));
 400   ASSERT_TRUE(extension.get()) << error;
 401   ASSERT_EQ(1u, extension->install_warnings().size());
 402   EXPECT_THAT(extension->install_warnings(),
 403               testing::ElementsAre(testing::Field(
 404                   &extensions::InstallWarning::message,
 405                   testing::ContainsRegex(
 406                       "extension includes the key file.*ext_root.a_key.pem"))));
 407
 408   // Turn the warning into an error with ERROR_ON_PRIVATE_KEY.
 409   extension = file_util::LoadExtension(ext_path,
 410                                        "the_id",
 411                                        Manifest::EXTERNAL_PREF,
 412                                        Extension::ERROR_ON_PRIVATE_KEY,
 413                                        &error);
 414   EXPECT_FALSE(extension.get());
 415   EXPECT_THAT(error,
 416               testing::ContainsRegex(
 417                   "extension includes the key file.*ext_root.a_key.pem"));
 418 }
 419
 420 TEST_F(FileUtilTest, CheckZeroLengthIconFile) {
 421   base::FilePath install_dir;
 422   ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &install_dir));
 423
 424   // Try to install an extension with a zero-length icon file.
 425   base::FilePath ext_dir =
 426       install_dir.AppendASCII("file_util").AppendASCII("bad_icon");
 427
 428   std::string error;
 429   scoped_refptr<Extension> extension(file_util::LoadExtension(
 430       ext_dir, Manifest::UNPACKED, Extension::NO_FLAGS, &error));
 431   EXPECT_TRUE(extension.get() == NULL);
 432   EXPECT_STREQ("Could not load extension icon 'icon.png'.", error.c_str());
 433 }
 434
 435 TEST_F(FileUtilTest, ExtensionURLToRelativeFilePath) {
 436 #define URL_PREFIX "chrome-extension://extension-id/"
 437   struct TestCase {
 438     const char* url;
 439     const char* expected_relative_path;
 440   } test_cases[] = {
 441     { URL_PREFIX "simple.html",
 442       "simple.html" },
 443     { URL_PREFIX "directory/to/file.html",
 444       "directory/to/file.html" },
 445     { URL_PREFIX "escape%20spaces.html",
 446       "escape spaces.html" },
 447     { URL_PREFIX "%C3%9Cber.html",
 448       "\xC3\x9C" "ber.html" },
 449 #if defined(OS_WIN)
 450     { URL_PREFIX "C%3A/simple.html",
 451       "" },
 452 #endif
 453     { URL_PREFIX "////simple.html",
 454       "simple.html" },
 455     { URL_PREFIX "/simple.html",
 456       "simple.html" },
 457     { URL_PREFIX "\\simple.html",
 458       "simple.html" },
 459     { URL_PREFIX "\\\\foo\\simple.html",
 460       "foo/simple.html" },
 461   };
 462 #undef URL_PREFIX
 463
 464   for (size_t i = 0; i < arraysize(test_cases); ++i) {
 465     GURL url(test_cases[i].url);
 466     base::FilePath expected_path =
 467         base::FilePath::FromUTF8Unsafe(test_cases[i].expected_relative_path);
 468     base::FilePath actual_path =
 469         extensions::file_util::ExtensionURLToRelativeFilePath(url);
 470     EXPECT_FALSE(actual_path.IsAbsolute()) <<
 471       " For the path " << actual_path.value();
 472     EXPECT_EQ(expected_path.value(), actual_path.value()) <<
 473       " For the path " << url;
 474   }
 475 }
 476
 477 TEST_F(FileUtilTest, ExtensionResourceURLToFilePath) {
 478   // Setup filesystem for testing.
 479   base::FilePath root_path;
 480   ASSERT_TRUE(base::CreateNewTempDirectory(
 481       base::FilePath::StringType(), &root_path));
 482   root_path = base::MakeAbsoluteFilePath(root_path);
 483   ASSERT_FALSE(root_path.empty());
 484
 485   base::FilePath api_path = root_path.Append(FILE_PATH_LITERAL("apiname"));
 486   ASSERT_TRUE(base::CreateDirectory(api_path));
 487
 488   const char data[] = "Test Data";
 489   base::FilePath resource_path = api_path.Append(FILE_PATH_LITERAL("test.js"));
 490   ASSERT_TRUE(base::WriteFile(resource_path, data, sizeof(data)));
 491   resource_path = api_path.Append(FILE_PATH_LITERAL("escape spaces.js"));
 492   ASSERT_TRUE(base::WriteFile(resource_path, data, sizeof(data)));
 493
 494 #ifdef FILE_PATH_USES_WIN_SEPARATORS
 495 #define SEP "\\"
 496 #else
 497 #define SEP "/"
 498 #endif
 499 #define URL_PREFIX "chrome-extension-resource://"
 500   struct TestCase {
 501     const char* url;
 502     const base::FilePath::CharType* expected_path;
 503   } test_cases[] = {
 504     { URL_PREFIX "apiname/test.js",
 505       FILE_PATH_LITERAL("test.js") },
 506     { URL_PREFIX "/apiname/test.js",
 507       FILE_PATH_LITERAL("test.js") },
 508     // Test % escape
 509     { URL_PREFIX "apiname/%74%65st.js",
 510       FILE_PATH_LITERAL("test.js") },
 511     { URL_PREFIX "apiname/escape%20spaces.js",
 512       FILE_PATH_LITERAL("escape spaces.js") },
 513     // Test file does not exist.
 514     { URL_PREFIX "apiname/directory/to/file.js",
 515       NULL },
 516     // Test apiname/../../test.js
 517     { URL_PREFIX "apiname/../../test.js",
 518       FILE_PATH_LITERAL("test.js") },
 519     { URL_PREFIX "apiname/..%2F../test.js",
 520       NULL },
 521     { URL_PREFIX "apiname/f/../../../test.js",
 522       FILE_PATH_LITERAL("test.js") },
 523     { URL_PREFIX "apiname/f%2F..%2F..%2F../test.js",
 524       NULL },
 525   };
 526 #undef SEP
 527 #undef URL_PREFIX
 528
 529   for (size_t i = 0; i < arraysize(test_cases); ++i) {
 530     GURL url(test_cases[i].url);
 531     base::FilePath expected_path;
 532     if (test_cases[i].expected_path)
 533       expected_path = root_path.Append(FILE_PATH_LITERAL("apiname")).Append(
 534           test_cases[i].expected_path);
 535     base::FilePath actual_path =
 536         extensions::file_util::ExtensionResourceURLToFilePath(url, root_path);
 537     EXPECT_EQ(expected_path.value(), actual_path.value()) <<
 538       " For the path " << url;
 539   }
 540   // Remove temp files.
 541   ASSERT_TRUE(base::DeleteFile(root_path, true));
 542 }
 543
 544 }  // namespace extensions