chrome/browser/browser_encoding_browsertest.cc

   1 // Copyright (c) 2012 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 "base/bind.h"
   6 #include "base/file_util.h"
   7 #include "base/files/scoped_temp_dir.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "chrome/browser/character_encoding.h"
  10 #include "chrome/browser/net/url_request_mock_util.h"
  11 #include "chrome/browser/profiles/profile.h"
  12 #include "chrome/browser/ui/browser.h"
  13 #include "chrome/browser/ui/browser_commands.h"
  14 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  15 #include "chrome/common/pref_names.h"
  16 #include "chrome/test/base/in_process_browser_test.h"
  17 #include "chrome/test/base/ui_test_utils.h"
  18 #include "content/public/browser/browser_thread.h"
  19 #include "content/public/browser/download_manager.h"
  20 #include "content/public/browser/navigation_controller.h"
  21 #include "content/public/browser/notification_service.h"
  22 #include "content/public/browser/notification_source.h"
  23 #include "content/public/browser/notification_types.h"
  24 #include "content/public/browser/web_contents.h"
  25 #include "content/public/test/test_navigation_observer.h"
  26 #include "content/test/net/url_request_mock_http_job.h"
  27
  28 namespace {
  29
  30 struct EncodingTestData {
  31   const char* file_name;
  32   const char* encoding_name;
  33 };
  34
  35 const EncodingTestData kEncodingTestDatas[] = {
  36   { "Big5.html", "Big5" },
  37   { "EUC-JP.html", "EUC-JP" },
  38   { "gb18030.html", "gb18030" },
  39   { "iso-8859-1.html", "ISO-8859-1" },
  40   { "ISO-8859-2.html", "ISO-8859-2" },
  41   { "ISO-8859-4.html", "ISO-8859-4" },
  42   { "ISO-8859-5.html", "ISO-8859-5" },
  43   { "ISO-8859-6.html", "ISO-8859-6" },
  44   { "ISO-8859-7.html", "ISO-8859-7" },
  45   { "ISO-8859-8.html", "ISO-8859-8" },
  46   { "ISO-8859-13.html", "ISO-8859-13" },
  47   { "ISO-8859-15.html", "ISO-8859-15" },
  48   { "KOI8-R.html", "KOI8-R" },
  49   { "KOI8-U.html", "KOI8-U" },
  50   { "macintosh.html", "macintosh" },
  51   { "Shift-JIS.html", "Shift_JIS" },
  52   { "US-ASCII.html", "ISO-8859-1" },  // http://crbug.com/15801
  53   { "UTF-8.html", "UTF-8" },
  54   { "UTF-16LE.html", "UTF-16LE" },
  55   { "windows-874.html", "windows-874" },
  56   { "EUC-KR.html", "EUC-KR" },
  57   { "windows-1250.html", "windows-1250" },
  58   { "windows-1251.html", "windows-1251" },
  59   { "windows-1252.html", "windows-1252" },
  60   { "windows-1253.html", "windows-1253" },
  61   { "windows-1254.html", "windows-1254" },
  62   { "windows-1255.html", "windows-1255" },
  63   { "windows-1256.html", "windows-1256" },
  64   { "windows-1257.html", "windows-1257" },
  65   { "windows-1258.html", "windows-1258" }
  66 };
  67
  68 class SavePackageFinishedObserver : public content::DownloadManager::Observer {
  69  public:
  70   SavePackageFinishedObserver(content::DownloadManager* manager,
  71                               const base::Closure& callback)
  72       : download_manager_(manager),
  73         callback_(callback) {
  74     download_manager_->AddObserver(this);
  75   }
  76
  77   virtual ~SavePackageFinishedObserver() {
  78     if (download_manager_)
  79       download_manager_->RemoveObserver(this);
  80   }
  81
  82   // DownloadManager::Observer:
  83   virtual void OnSavePackageSuccessfullyFinished(
  84       content::DownloadManager* manager, content::DownloadItem* item) OVERRIDE {
  85     callback_.Run();
  86   }
  87   virtual void ManagerGoingDown(content::DownloadManager* manager) OVERRIDE {
  88     download_manager_->RemoveObserver(this);
  89     download_manager_ = NULL;
  90   }
  91
  92  private:
  93   content::DownloadManager* download_manager_;
  94   base::Closure callback_;
  95
  96   DISALLOW_COPY_AND_ASSIGN(SavePackageFinishedObserver);
  97 };
  98
  99 }  // namespace
 100
 101 using content::BrowserThread;
 102
 103 static const base::FilePath::CharType* kTestDir =
 104     FILE_PATH_LITERAL("encoding_tests");
 105
 106 class BrowserEncodingTest
 107     : public InProcessBrowserTest,
 108       public testing::WithParamInterface<EncodingTestData> {
 109  protected:
 110   BrowserEncodingTest() {}
 111
 112   // Saves the current page and verifies that the output matches the expected
 113   // result.
 114   void SaveAndCompare(const char* filename_to_write,
 115                       const base::FilePath& expected) {
 116     // Dump the page, the content of dump page should be identical to the
 117     // expected result file.
 118     base::FilePath full_file_name = save_dir_.AppendASCII(filename_to_write);
 119     // We save the page as way of complete HTML file, which requires a directory
 120     // name to save sub resources in it. Although this test file does not have
 121     // sub resources, but the directory name is still required.
 122     scoped_refptr<content::MessageLoopRunner> loop_runner(
 123         new content::MessageLoopRunner);
 124     SavePackageFinishedObserver observer(
 125         content::BrowserContext::GetDownloadManager(browser()->profile()),
 126         loop_runner->QuitClosure());
 127     browser()->tab_strip_model()->GetActiveWebContents()->SavePage(
 128         full_file_name, temp_sub_resource_dir_,
 129         content::SAVE_PAGE_TYPE_AS_COMPLETE_HTML);
 130     loop_runner->Run();
 131
 132     base::FilePath expected_file_name = ui_test_utils::GetTestFilePath(
 133         base::FilePath(kTestDir), expected);
 134
 135     EXPECT_TRUE(base::ContentsEqual(full_file_name, expected_file_name));
 136   }
 137
 138   virtual void SetUpOnMainThread() OVERRIDE {
 139     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 140     save_dir_ = temp_dir_.path();
 141     temp_sub_resource_dir_ = save_dir_.AppendASCII("sub_resource_files");
 142
 143     BrowserThread::PostTask(
 144         BrowserThread::IO, FROM_HERE,
 145         base::Bind(&chrome_browser_net::SetUrlRequestMocksEnabled, true));
 146   }
 147
 148   base::ScopedTempDir temp_dir_;
 149   base::FilePath save_dir_;
 150   base::FilePath temp_sub_resource_dir_;
 151 };
 152
 153 // TODO(jnd): 1. Some encodings are missing here. It'll be added later. See
 154 // http://crbug.com/13306.
 155 // 2. Add more files with multiple encoding name variants for each canonical
 156 // encoding name). Webkit layout tests cover some, but testing in the UI test is
 157 // also necessary.
 158 IN_PROC_BROWSER_TEST_P(BrowserEncodingTest, TestEncodingAliasMapping) {
 159   const char* const kAliasTestDir = "alias_mapping";
 160
 161   base::FilePath test_dir_path = base::FilePath(kTestDir).AppendASCII(
 162       kAliasTestDir);
 163   base::FilePath test_file_path(test_dir_path);
 164   test_file_path = test_file_path.AppendASCII(
 165       GetParam().file_name);
 166
 167   GURL url = content::URLRequestMockHTTPJob::GetMockUrl(test_file_path);
 168   ui_test_utils::NavigateToURL(browser(), url);
 169   EXPECT_EQ(GetParam().encoding_name,
 170             browser()->tab_strip_model()->GetActiveWebContents()->
 171                 GetEncoding());
 172 }
 173
 174 INSTANTIATE_TEST_CASE_P(EncodingAliases,
 175                         BrowserEncodingTest,
 176                         testing::ValuesIn(kEncodingTestDatas));
 177
 178 // Marked as flaky: see  http://crbug.com/44668
 179 IN_PROC_BROWSER_TEST_F(BrowserEncodingTest, TestOverrideEncoding) {
 180   const char* const kTestFileName = "gb18030_with_iso88591_meta.html";
 181   const char* const kExpectedFileName =
 182       "expected_gb18030_saved_from_iso88591_meta.html";
 183   const char* const kOverrideTestDir = "user_override";
 184
 185   base::FilePath test_dir_path =
 186       base::FilePath(kTestDir).AppendASCII(kOverrideTestDir);
 187   test_dir_path = test_dir_path.AppendASCII(kTestFileName);
 188   GURL url = content::URLRequestMockHTTPJob::GetMockUrl(test_dir_path);
 189   ui_test_utils::NavigateToURL(browser(), url);
 190   content::WebContents* web_contents =
 191       browser()->tab_strip_model()->GetActiveWebContents();
 192   EXPECT_EQ("ISO-8859-1", web_contents->GetEncoding());
 193
 194   // Override the encoding to "gb18030".
 195   const std::string selected_encoding =
 196       CharacterEncoding::GetCanonicalEncodingNameByAliasName("gb18030");
 197   content::TestNavigationObserver navigation_observer(web_contents);
 198   web_contents->SetOverrideEncoding(selected_encoding);
 199   navigation_observer.Wait();
 200   EXPECT_EQ("gb18030", web_contents->GetEncoding());
 201
 202   base::FilePath expected_filename =
 203       base::FilePath().AppendASCII(kOverrideTestDir).AppendASCII(
 204           kExpectedFileName);
 205   SaveAndCompare(kTestFileName, expected_filename);
 206 }
 207
 208 // The following encodings are excluded from the auto-detection test because
 209 // it's a known issue that the current encoding detector does not detect them:
 210 // ISO-8859-4
 211 // ISO-8859-13
 212 // KOI8-U
 213 // macintosh
 214 // windows-874
 215 // windows-1252
 216 // windows-1253
 217 // windows-1257
 218 // windows-1258
 219
 220 // For Hebrew, the expected encoding value is ISO-8859-8-I. See
 221 // http://crbug.com/2927 for more details.
 222 //
 223 // This test fails frequently on the win_rel trybot. See http://crbug.com/122053
 224 #if defined(OS_WIN)
 225 #define MAYBE_TestEncodingAutoDetect DISABLED_TestEncodingAutoDetect
 226 #else
 227 #define MAYBE_TestEncodingAutoDetect TestEncodingAutoDetect
 228 #endif
 229 // TODO(phajdan.jr): See if fix for http://crbug.com/122053 would help here.
 230 IN_PROC_BROWSER_TEST_F(BrowserEncodingTest, MAYBE_TestEncodingAutoDetect) {
 231   struct EncodingAutoDetectTestData {
 232     const char* test_file_name;   // File name of test data.
 233     const char* expected_result;  // File name of expected results.
 234     const char* expected_encoding;   // expected encoding.
 235   };
 236   const EncodingAutoDetectTestData kTestDatas[] = {
 237       { "Big5_with_no_encoding_specified.html",
 238         "expected_Big5_saved_from_no_encoding_specified.html",
 239         "Big5" },
 240       { "gb18030_with_no_encoding_specified.html",
 241         "expected_gb18030_saved_from_no_encoding_specified.html",
 242         "gb18030" },
 243       { "iso-8859-1_with_no_encoding_specified.html",
 244         "expected_iso-8859-1_saved_from_no_encoding_specified.html",
 245         "ISO-8859-1" },
 246       { "ISO-8859-5_with_no_encoding_specified.html",
 247         "expected_ISO-8859-5_saved_from_no_encoding_specified.html",
 248         "ISO-8859-5" },
 249       { "ISO-8859-6_with_no_encoding_specified.html",
 250         "expected_ISO-8859-6_saved_from_no_encoding_specified.html",
 251         "ISO-8859-6" },
 252       { "ISO-8859-7_with_no_encoding_specified.html",
 253         "expected_ISO-8859-7_saved_from_no_encoding_specified.html",
 254         "ISO-8859-7" },
 255       { "ISO-8859-8_with_no_encoding_specified.html",
 256         "expected_ISO-8859-8_saved_from_no_encoding_specified.html",
 257         "ISO-8859-8-I" },
 258       { "KOI8-R_with_no_encoding_specified.html",
 259         "expected_KOI8-R_saved_from_no_encoding_specified.html",
 260         "KOI8-R" },
 261       { "Shift-JIS_with_no_encoding_specified.html",
 262         "expected_Shift-JIS_saved_from_no_encoding_specified.html",
 263         "Shift_JIS" },
 264       { "UTF-8_with_no_encoding_specified.html",
 265         "expected_UTF-8_saved_from_no_encoding_specified.html",
 266         "UTF-8" },
 267       { "EUC-KR_with_no_encoding_specified.html",
 268         "expected_EUC-KR_saved_from_no_encoding_specified.html",
 269         "EUC-KR" },
 270       { "windows-1251_with_no_encoding_specified.html",
 271         "expected_windows-1251_saved_from_no_encoding_specified.html",
 272         "windows-1251" },
 273       { "windows-1254_with_no_encoding_specified.html",
 274         "expected_windows-1254_saved_from_no_encoding_specified.html",
 275         "windows-1254" },
 276       { "windows-1255_with_no_encoding_specified.html",
 277         "expected_windows-1255_saved_from_no_encoding_specified.html",
 278         "windows-1255" },
 279       { "windows-1256_with_no_encoding_specified.html",
 280         "expected_windows-1256_saved_from_no_encoding_specified.html",
 281         "windows-1256" }
 282     };
 283   const char* const kAutoDetectDir = "auto_detect";
 284   // Directory of the files of expected results.
 285   const char* const kExpectedResultDir = "expected_results";
 286
 287   base::FilePath test_dir_path =
 288       base::FilePath(kTestDir).AppendASCII(kAutoDetectDir);
 289
 290   // Set the default charset to one of encodings not supported by the current
 291   // auto-detector (Please refer to the above comments) to make sure we
 292   // incorrectly decode the page. Now we use ISO-8859-4.
 293   browser()->profile()->GetPrefs()->SetString(prefs::kDefaultCharset,
 294                                               "ISO-8859-4");
 295
 296   content::WebContents* web_contents =
 297       browser()->tab_strip_model()->GetActiveWebContents();
 298   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestDatas); ++i) {
 299     // Disable auto detect if it is on.
 300     browser()->profile()->GetPrefs()->SetBoolean(
 301         prefs::kWebKitUsesUniversalDetector, false);
 302
 303     base::FilePath test_file_path(test_dir_path);
 304     test_file_path = test_file_path.AppendASCII(kTestDatas[i].test_file_name);
 305     GURL url = content::URLRequestMockHTTPJob::GetMockUrl(test_file_path);
 306     ui_test_utils::NavigateToURL(browser(), url);
 307
 308     // Get the encoding used for the page, it must be the default charset we
 309     // just set.
 310     EXPECT_EQ("ISO-8859-4", web_contents->GetEncoding());
 311
 312     // Enable the encoding auto detection.
 313     browser()->profile()->GetPrefs()->SetBoolean(
 314         prefs::kWebKitUsesUniversalDetector, true);
 315
 316     content::TestNavigationObserver observer(web_contents);
 317     chrome::Reload(browser(), CURRENT_TAB);
 318     observer.Wait();
 319
 320     // Re-get the encoding of page. It should return the real encoding now.
 321     EXPECT_EQ(kTestDatas[i].expected_encoding, web_contents->GetEncoding());
 322
 323     // Dump the page, the content of dump page should be equal with our expect
 324     // result file.
 325     base::FilePath expected_result_file_name =
 326         base::FilePath().AppendASCII(kAutoDetectDir).
 327         AppendASCII(kExpectedResultDir).
 328         AppendASCII(kTestDatas[i].expected_result);
 329     SaveAndCompare(kTestDatas[i].test_file_name, expected_result_file_name);
 330   }
 331 }