chrome/browser/chrome_plugin_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 <vector>
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "base/command_line.h"
  10 #include "base/file_util.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/path_service.h"
  13 #include "base/process_util.h"
  14 #include "base/strings/utf_string_conversions.h"
  15 #include "chrome/browser/plugins/plugin_prefs.h"
  16 #include "chrome/browser/ui/browser.h"
  17 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  18 #include "chrome/common/chrome_process_type.h"
  19 #include "chrome/test/base/in_process_browser_test.h"
  20 #include "chrome/test/base/ui_test_utils.h"
  21 #include "content/public/browser/browser_child_process_host_iterator.h"
  22 #include "content/public/browser/browser_thread.h"
  23 #include "content/public/browser/child_process_data.h"
  24 #include "content/public/browser/plugin_service.h"
  25 #include "content/public/common/content_paths.h"
  26 #include "content/public/test/browser_test_utils.h"
  27 #include "content/public/test/test_utils.h"
  28 #include "net/base/net_util.h"
  29 #include "webkit/plugins/plugin_constants.h"
  30 #include "webkit/plugins/webplugininfo.h"
  31
  32 using content::BrowserThread;
  33
  34 namespace {
  35
  36 class CallbackBarrier : public base::RefCountedThreadSafe<CallbackBarrier> {
  37  public:
  38   explicit CallbackBarrier(const base::Closure& target_callback)
  39       : target_callback_(target_callback),
  40         outstanding_callbacks_(0),
  41         did_enable_(true) {
  42   }
  43
  44   base::Callback<void(bool)> CreateCallback() {
  45     outstanding_callbacks_++;
  46     return base::Bind(&CallbackBarrier::MayRunTargetCallback, this);
  47   }
  48
  49  private:
  50   friend class base::RefCountedThreadSafe<CallbackBarrier>;
  51
  52   ~CallbackBarrier() {
  53     EXPECT_TRUE(target_callback_.is_null());
  54   }
  55
  56   void MayRunTargetCallback(bool did_enable) {
  57     EXPECT_GT(outstanding_callbacks_, 0);
  58     did_enable_ = did_enable_ && did_enable;
  59     if (--outstanding_callbacks_ == 0) {
  60       EXPECT_TRUE(did_enable_);
  61       target_callback_.Run();
  62       target_callback_.Reset();
  63     }
  64   }
  65
  66   base::Closure target_callback_;
  67   int outstanding_callbacks_;
  68   bool did_enable_;
  69 };
  70
  71 }  // namespace
  72
  73 class ChromePluginTest : public InProcessBrowserTest {
  74  protected:
  75   ChromePluginTest() {}
  76
  77   static GURL GetURL(const char* filename) {
  78     base::FilePath path;
  79     PathService::Get(content::DIR_TEST_DATA, &path);
  80     path = path.AppendASCII("plugin").AppendASCII(filename);
  81     CHECK(file_util::PathExists(path));
  82     return net::FilePathToFileURL(path);
  83   }
  84
  85   static void LoadAndWait(Browser* window, const GURL& url, bool pass) {
  86     content::WebContents* web_contents =
  87         window->tab_strip_model()->GetActiveWebContents();
  88     string16 expected_title(ASCIIToUTF16(pass ? "OK" : "plugin_not_found"));
  89     content::TitleWatcher title_watcher(web_contents, expected_title);
  90     title_watcher.AlsoWaitForTitle(ASCIIToUTF16("FAIL"));
  91     title_watcher.AlsoWaitForTitle(ASCIIToUTF16(
  92         pass ? "plugin_not_found" : "OK"));
  93     ui_test_utils::NavigateToURL(window, url);
  94     ASSERT_EQ(expected_title, title_watcher.WaitAndGetTitle());
  95   }
  96
  97   static void CrashFlash() {
  98     scoped_refptr<content::MessageLoopRunner> runner =
  99         new content::MessageLoopRunner;
 100     BrowserThread::PostTask(
 101         BrowserThread::IO,
 102         FROM_HERE,
 103         base::Bind(&CrashFlashInternal, runner->QuitClosure()));
 104     runner->Run();
 105   }
 106
 107   static void GetFlashPath(std::vector<base::FilePath>* paths) {
 108     paths->clear();
 109     std::vector<webkit::WebPluginInfo> plugins = GetPlugins();
 110     for (std::vector<webkit::WebPluginInfo>::const_iterator it =
 111              plugins.begin(); it != plugins.end(); ++it) {
 112       if (it->name == ASCIIToUTF16(kFlashPluginName))
 113         paths->push_back(it->path);
 114     }
 115   }
 116
 117   static std::vector<webkit::WebPluginInfo> GetPlugins() {
 118     std::vector<webkit::WebPluginInfo> plugins;
 119     scoped_refptr<content::MessageLoopRunner> runner =
 120         new content::MessageLoopRunner;
 121     content::PluginService::GetInstance()->GetPlugins(
 122         base::Bind(&GetPluginsInfoCallback, &plugins, runner->QuitClosure()));
 123     runner->Run();
 124     return plugins;
 125   }
 126
 127   static void EnableFlash(bool enable, Profile* profile) {
 128     std::vector<base::FilePath> paths;
 129     GetFlashPath(&paths);
 130     ASSERT_FALSE(paths.empty());
 131
 132     PluginPrefs* plugin_prefs = PluginPrefs::GetForProfile(profile).get();
 133     scoped_refptr<content::MessageLoopRunner> runner =
 134         new content::MessageLoopRunner;
 135     scoped_refptr<CallbackBarrier> callback_barrier(
 136         new CallbackBarrier(runner->QuitClosure()));
 137     for (std::vector<base::FilePath>::iterator iter = paths.begin();
 138          iter != paths.end(); ++iter) {
 139       plugin_prefs->EnablePlugin(enable, *iter,
 140                                  callback_barrier->CreateCallback());
 141     }
 142     runner->Run();
 143   }
 144
 145   static void EnsureFlashProcessCount(int expected) {
 146     int actual = 0;
 147     scoped_refptr<content::MessageLoopRunner> runner =
 148         new content::MessageLoopRunner;
 149     BrowserThread::PostTask(
 150         BrowserThread::IO,
 151         FROM_HERE,
 152         base::Bind(&CountPluginProcesses, &actual, runner->QuitClosure()));
 153     runner->Run();
 154     ASSERT_EQ(expected, actual);
 155   }
 156
 157  private:
 158   static void CrashFlashInternal(const base::Closure& quit_task) {
 159     bool found = false;
 160     for (content::BrowserChildProcessHostIterator iter; !iter.Done(); ++iter) {
 161       if (iter.GetData().process_type != content::PROCESS_TYPE_PLUGIN &&
 162           iter.GetData().process_type != content::PROCESS_TYPE_PPAPI_PLUGIN) {
 163         continue;
 164       }
 165       base::KillProcess(iter.GetData().handle, 0, true);
 166       found = true;
 167     }
 168     ASSERT_TRUE(found) << "Didn't find Flash process!";
 169     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, quit_task);
 170   }
 171
 172   static void GetPluginsInfoCallback(
 173       std::vector<webkit::WebPluginInfo>* rv,
 174       const base::Closure& quit_task,
 175       const std::vector<webkit::WebPluginInfo>& plugins) {
 176     *rv = plugins;
 177     quit_task.Run();
 178   }
 179
 180   static void CountPluginProcesses(int* count, const base::Closure& quit_task) {
 181     for (content::BrowserChildProcessHostIterator iter; !iter.Done(); ++iter) {
 182       if (iter.GetData().process_type == content::PROCESS_TYPE_PLUGIN ||
 183           iter.GetData().process_type == content::PROCESS_TYPE_PPAPI_PLUGIN) {
 184         (*count)++;
 185       }
 186     }
 187     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, quit_task);
 188   }
 189 };
 190
 191 // Tests a bunch of basic scenarios with Flash.
 192 // This test fails under ASan on Mac, see http://crbug.com/147004.
 193 // It fails elsewhere, too.  See http://crbug.com/152071.
 194 IN_PROC_BROWSER_TEST_F(ChromePluginTest, DISABLED_Flash) {
 195   // Official builds always have bundled Flash.
 196 #if !defined(OFFICIAL_BUILD)
 197   std::vector<base::FilePath> flash_paths;
 198   GetFlashPath(&flash_paths);
 199   if (flash_paths.empty()) {
 200     LOG(INFO) << "Test not running because couldn't find Flash.";
 201     return;
 202   }
 203 #endif
 204
 205   GURL url = GetURL("flash.html");
 206   EnsureFlashProcessCount(0);
 207
 208   // Try a single tab.
 209   ASSERT_NO_FATAL_FAILURE(LoadAndWait(browser(), url, true));
 210   EnsureFlashProcessCount(1);
 211   Profile* profile = browser()->profile();
 212   // Try another tab.
 213   ASSERT_NO_FATAL_FAILURE(LoadAndWait(CreateBrowser(profile), url, true));
 214   // Try an incognito window.
 215   ASSERT_NO_FATAL_FAILURE(LoadAndWait(CreateIncognitoBrowser(), url, true));
 216   EnsureFlashProcessCount(1);
 217
 218   // Now kill Flash process and verify it reloads.
 219   CrashFlash();
 220   EnsureFlashProcessCount(0);
 221
 222   ASSERT_NO_FATAL_FAILURE(LoadAndWait(browser(), url, true));
 223   EnsureFlashProcessCount(1);
 224
 225   // Now try disabling it.
 226   EnableFlash(false, profile);
 227   CrashFlash();
 228
 229   ASSERT_NO_FATAL_FAILURE(LoadAndWait(browser(), url, false));
 230   EnsureFlashProcessCount(0);
 231
 232   // Now enable it again.
 233   EnableFlash(true, profile);
 234   ASSERT_NO_FATAL_FAILURE(LoadAndWait(browser(), url, true));
 235   EnsureFlashProcessCount(1);
 236 }
 237
 238 // Verify that the official builds have the known set of plugins.
 239 IN_PROC_BROWSER_TEST_F(ChromePluginTest, InstalledPlugins) {
 240 #if !defined(OFFICIAL_BUILD)
 241   return;
 242 #endif
 243   const char* expected[] = {
 244     "Chrome PDF Viewer",
 245     "Shockwave Flash",
 246     "Native Client",
 247     "Chrome Remote Desktop Viewer",
 248 #if defined(OS_CHROMEOS)
 249     "Google Talk Plugin",
 250     "Google Talk Plugin Video Accelerator",
 251     "Netflix",
 252 #endif
 253   };
 254
 255   std::vector<webkit::WebPluginInfo> plugins = GetPlugins();
 256   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(expected); ++i) {
 257     size_t j = 0;
 258     for (; j < plugins.size(); ++j) {
 259       if (plugins[j].name == ASCIIToUTF16(expected[i]))
 260         break;
 261     }
 262     ASSERT_TRUE(j != plugins.size()) << "Didn't find " << expected[i];
 263   }
 264 }