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      1 /*
      2  * Copyright 2013 The Chromium Authors. All rights reserved.
      3  * Use of this source code is governed by a BSD-style license that can be
      4  * found in the LICENSE file.
      5  */
      6 
      7 #include <vector>
      8 
      9 #include "base/command_line.h"
     10 #include "chrome/browser/ui/browser.h"
     11 #include "chrome/browser/ui/tabs/tab_strip_model.h"
     12 #include "chrome/test/base/in_process_browser_test.h"
     13 #include "chrome/test/base/ui_test_utils.h"
     14 #include "content/public/browser/render_view_host.h"
     15 #include "content/public/browser/render_widget_host_iterator.h"
     16 #include "content/public/browser/site_instance.h"
     17 #include "content/public/browser/web_contents.h"
     18 #include "content/public/test/browser_test_utils.h"
     19 #include "ui/keyboard/keyboard_switches.h"
     20 
     21 namespace {
     22 
     23 const base::FilePath kWebuiTestDir =
     24     base::FilePath(FILE_PATH_LITERAL("webui"));
     25 
     26 const base::FilePath kVirtualKeyboardTestDir =
     27     base::FilePath(FILE_PATH_LITERAL("chromeos/virtual_keyboard"));
     28 
     29 const base::FilePath kMockController =
     30     base::FilePath(FILE_PATH_LITERAL("mock_controller.js"));
     31 
     32 const base::FilePath kMockTimer =
     33     base::FilePath(FILE_PATH_LITERAL("mock_timer.js"));
     34 
     35 const base::FilePath kBaseKeyboardTestFramework =
     36     base::FilePath(FILE_PATH_LITERAL("virtual_keyboard_test_base.js"));
     37 
     38 }  // namespace
     39 
     40 class VirtualKeyboardBrowserTest : public InProcessBrowserTest {
     41  public:
     42 
     43   // Ensure that the virtual keyboard is enabled.
     44   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     45     command_line->AppendSwitch(
     46         keyboard::switches::kEnableVirtualKeyboard);
     47   }
     48 
     49   //Injects javascript in |file| into the keyboard page and runs test methods.
     50   void RunTest(const base::FilePath& file) {
     51     ui_test_utils::NavigateToURL(browser(), GURL("chrome://keyboard"));
     52 
     53     content::RenderViewHost* rvh = browser()->tab_strip_model()
     54         ->GetActiveWebContents()->GetRenderViewHost();
     55     ASSERT_TRUE(rvh);
     56 
     57     // Inject testing scripts.
     58     InjectJavascript(kWebuiTestDir, kMockController);
     59     InjectJavascript(kWebuiTestDir, kMockTimer);
     60     InjectJavascript(kVirtualKeyboardTestDir, kBaseKeyboardTestFramework);
     61     InjectJavascript(kVirtualKeyboardTestDir, file);
     62 
     63     ASSERT_TRUE(content::ExecuteScript(rvh, utf8_content_));
     64 
     65     // Inject DOM-automation test harness and run tests.
     66     std::vector<int> resource_ids;
     67     EXPECT_TRUE(ExecuteWebUIResourceTest(rvh, resource_ids));
     68   }
     69 
     70   content::RenderViewHost* GetKeyboardRenderViewHost() {
     71     std::string kVirtualKeyboardURL =
     72         "chrome-extension://mppnpdlheglhdfmldimlhpnegondlapf/";
     73     scoped_ptr<content::RenderWidgetHostIterator> widgets(
     74         content::RenderWidgetHost::GetRenderWidgetHosts());
     75     while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
     76       if (widget->IsRenderView()) {
     77         content::RenderViewHost* view = content::RenderViewHost::From(widget);
     78         std::string url = view->GetSiteInstance()->GetSiteURL().spec();
     79         if (url == kVirtualKeyboardURL) {
     80           content::WebContents* wc =
     81               content::WebContents::FromRenderViewHost(view);
     82           // Waits for Polymer to load.
     83           content::WaitForLoadStop(wc);
     84           return view;
     85         }
     86       }
     87     }
     88     return NULL;
     89   }
     90 
     91  private:
     92 
     93   // Injects javascript into the keyboard page.  The test |file| is in
     94   // directory |dir| relative to the root testing directory.
     95   void InjectJavascript(const base::FilePath& dir,
     96                         const base::FilePath& file) {
     97     base::FilePath path = ui_test_utils::GetTestFilePath(dir, file);
     98     std::string library_content;
     99     ASSERT_TRUE(base::ReadFileToString(path, &library_content))
    100         << path.value();
    101     utf8_content_.append(library_content);
    102     utf8_content_.append(";\n");
    103   }
    104 
    105   std::string utf8_content_;
    106 };
    107 
    108 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, AttributesTest) {
    109   RunTest(base::FilePath(FILE_PATH_LITERAL("attributes_test.js")));
    110 }
    111 
    112 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, TypingTest) {
    113   RunTest(base::FilePath(FILE_PATH_LITERAL("typing_test.js")));
    114 }
    115 
    116 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, ControlKeysTest) {
    117   RunTest(base::FilePath(FILE_PATH_LITERAL("control_keys_test.js")));
    118 }
    119 
    120 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, KeysetTransitionTest) {
    121   RunTest(base::FilePath(FILE_PATH_LITERAL("keyset_transition_test.js")));
    122 }
    123 
    124 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, IsKeyboardLoaded) {
    125   content::RenderViewHost* keyboard_rvh = GetKeyboardRenderViewHost();
    126   ASSERT_TRUE(keyboard_rvh);
    127   bool loaded = false;
    128   std::string script = "!!chrome.virtualKeyboardPrivate";
    129   EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
    130       keyboard_rvh,
    131       "window.domAutomationController.send(" + script + ");",
    132       &loaded));
    133   // Catches the regression in crbug.com/308653.
    134   ASSERT_TRUE(loaded);
    135 }
    136 
    137 IN_PROC_BROWSER_TEST_F(VirtualKeyboardBrowserTest, EndToEndTest) {
    138   // Get the virtual keyboard's render view host.
    139   content::RenderViewHost* keyboard_rvh = GetKeyboardRenderViewHost();
    140   ASSERT_TRUE(keyboard_rvh);
    141 
    142   // Get the test page's render view host.
    143   content::RenderViewHost* browser_rvh = browser()->tab_strip_model()->
    144       GetActiveWebContents()->GetRenderViewHost();
    145   ASSERT_TRUE(browser_rvh);
    146 
    147   // Set up the test page.
    148   GURL url = ui_test_utils::GetTestUrl(
    149       base::FilePath(),
    150       base::FilePath(FILE_PATH_LITERAL(
    151           "chromeos/virtual_keyboard/end_to_end_test.html")));
    152   ui_test_utils::NavigateToURL(browser(), url);
    153 
    154   // Press 'a' on keyboard.
    155   base::FilePath path = ui_test_utils::GetTestFilePath(
    156       kVirtualKeyboardTestDir,
    157       base::FilePath(FILE_PATH_LITERAL("end_to_end_test.js")));
    158   std::string script;
    159   ASSERT_TRUE(base::ReadFileToString(path, &script));
    160   EXPECT_TRUE(content::ExecuteScript(keyboard_rvh, script));
    161   // Verify 'a' appeared on test page.
    162   bool success = false;
    163   EXPECT_TRUE(content::ExecuteScriptAndExtractBool(
    164       browser_rvh,
    165       "success ? verifyInput('a') : waitForInput('a');",
    166       &success));
    167   ASSERT_TRUE(success);
    168 }
    169 
    170 // TODO(kevers|rsadam|bshe):  Add UI tests for remaining virtual keyboard
    171 // functionality.
    172