chrome/browser/chromeos/login/resource_loader_browsertest.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 <string>
   6
   7 #include "base/command_line.h"
   8 #include "base/files/file_path.h"
   9 #include "base/files/file_util.h"
  10 #include "chrome/browser/ui/browser.h"
  11 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  12 #include "chrome/common/chrome_switches.h"
  13 #include "chrome/test/base/in_process_browser_test.h"
  14 #include "chrome/test/base/ui_test_utils.h"
  15 #include "content/public/browser/navigation_details.h"
  16 #include "content/public/test/browser_test_utils.h"
  17 #include "grit/login_resources.h"
  18 #include "ui/base/resource/resource_bundle.h"
  19 #include "url/gurl.h"
  20
  21 namespace {
  22
  23 GURL CreateResource(const std::string& content) {
  24   base::FilePath path;
  25   EXPECT_TRUE(base::CreateTemporaryFile(&path));
  26   EXPECT_TRUE(base::WriteFile(path, content.c_str(), content.size()));
  27   return GURL("file:///" + path.AsUTF8Unsafe());
  28 }
  29
  30 // Test the CrOS login screen resource loading mechanism.
  31 class ResourceLoaderBrowserTest : public InProcessBrowserTest {
  32  public:
  33   ResourceLoaderBrowserTest() {}
  34
  35  protected:
  36   void SetUpCommandLine(base::CommandLine* command_line) override {
  37     // Needed to load file:// URLs in XHRs.
  38     command_line->AppendSwitch(switches::kDisableWebSecurity);
  39   }
  40
  41   void SetUpOnMainThread() override {
  42     // Create the root page containing resource_loader.js.
  43     std::string root_page =
  44         "<html>"
  45         "<head>"
  46         "<script>"
  47         "  cr = { ui: { login: {} } };"
  48         "  cr.define = function (path, builder) {"
  49         "    cr.ui.login.ResourceLoader = builder();"
  50         "  };"
  51         "  $ = document.getElementById.bind(document);"
  52         "</script>"
  53         "<script>";
  54     ResourceBundle::GetSharedInstance().GetRawDataResource(
  55         IDR_OOBE_RESOURCE_LOADER_JS).AppendToString(&root_page);
  56     root_page +=
  57         "</script>"
  58         "</head>"
  59         "<body>"
  60         "<div id=\"root\"></div>"
  61         "</body>"
  62         "</html>";
  63     ui_test_utils::NavigateToURL(browser(), CreateResource(root_page));
  64     JSExpect("!!document.querySelector('#root')");
  65
  66     // Define global alias for convenience.
  67     JSEval("ResourceLoader = cr.ui.login.ResourceLoader;");
  68   }
  69
  70   void JSEval(const std::string& script) {
  71     EXPECT_TRUE(content::ExecuteScript(
  72         browser()->tab_strip_model()->GetActiveWebContents(), script));
  73   }
  74
  75   void JSExpect(const std::string& expression) {
  76     bool result;
  77     EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
  78         browser()->tab_strip_model()->GetActiveWebContents(),
  79         "window.domAutomationController.send(!!(" + expression + "));",
  80         &result));
  81     EXPECT_TRUE(result) << expression;
  82   }
  83
  84   void JSExpectAsync(const std::string& function) {
  85     bool result;
  86     EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
  87         browser()->tab_strip_model()->GetActiveWebContents(),
  88         "(" + function + ")(function() {"
  89         "  window.domAutomationController.send(true);"
  90         "});",
  91         &result));
  92     EXPECT_TRUE(result);
  93   }
  94
  95  private:
  96   DISALLOW_COPY_AND_ASSIGN(ResourceLoaderBrowserTest);
  97 };
  98
  99 IN_PROC_BROWSER_TEST_F(ResourceLoaderBrowserTest, RegisterAssetsTest) {
 100   JSExpect("!ResourceLoader.hasDeferredAssets('foo')");
 101   JSEval("ResourceLoader.registerAssets({ id: 'foo' });");
 102   JSExpect("ResourceLoader.hasDeferredAssets('foo')");
 103 }
 104
 105 IN_PROC_BROWSER_TEST_F(ResourceLoaderBrowserTest, LoadAssetsTest) {
 106   // Create a flag to set when the JavaScript is loaded.
 107   JSEval("stuff = {}");
 108
 109   // Create the assets.
 110   std::string html_url = CreateResource("<h1 id=\"bar\">foo</h1>").spec();
 111   std::string css_url = CreateResource("h1 { color: red; }").spec();
 112   std::string js_url = CreateResource("stuff.loaded = true;").spec();
 113
 114   // Register the asset bundle.
 115   JSEval("ResourceLoader.registerAssets({"
 116          "  id: 'test-bundle',"
 117          "  html: [ { url: '" + html_url + "', targetID: 'root' } ]," +
 118          "  css: [ '" + css_url + "' ]," +
 119          "  js: [ '" + js_url + "' ]," +
 120          "});");
 121   JSExpect("!ResourceLoader.alreadyLoadedAssets('test-bundle')");
 122
 123   // Load the assets and make sure everything is properly added to the page.
 124   JSExpectAsync("ResourceLoader.loadAssets.bind(null, 'test-bundle')");
 125   JSExpect("ResourceLoader.alreadyLoadedAssets('test-bundle')");
 126
 127   // Check that the HTML was inserted into the root div.
 128   JSExpect("!!document.querySelector('div#root h1#bar')");
 129
 130   // Check that the JS was loaded and evaluated.
 131   JSExpect("stuff.loaded");
 132
 133   // Check that the styles were loaded.
 134   JSExpect("!!document.head.querySelector('link').innerHTML.indexOf('red')");
 135 }
 136
 137 }  // namespace