[DevTools] Interactive test for DevTools touch emulation.

chrome/browser/devtools/devtools_interactive_uitest.cc

+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/compiler_specific.h"
+#include "chrome/browser/devtools/devtools_window.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/interactive_test_utils.h"
+#include "content/public/browser/devtools_manager.h"
+#include "content/public/browser/notification_types.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/test/browser_test_utils.h"
+
+using content::RenderViewHost;
+using content::WebContents;
+
+namespace {
+const char kTouchEmulationPage[] = "files/devtools/touch_emulation.html";
+}  // namespace
+
+class DevToolsInteractiveTest : public InProcessBrowserTest {
+ public:
+  DevToolsInteractiveTest()
+      : devtools_window_(NULL) {}
+
+ protected:
+  void LoadTestPage(const std::string& test_page) {
+    GURL url = test_server()->GetURL(test_page);
+    ui_test_utils::NavigateToURL(browser(), url);
+  }
+
+  void OpenDevToolsWindow(const std::string& test_page, bool is_docked) {
+    ASSERT_TRUE(test_server()->Start());
+    LoadTestPage(test_page);
+
+    devtools_window_ = DevToolsWindow::OpenDevToolsWindowForTest(
+        GetInspectedTab()->GetRenderViewHost(), is_docked);
+    ui_test_utils::WaitUntilDevToolsWindowLoaded(devtools_window_);
+  }
+
+  WebContents* GetInspectedTab() {
+    return browser()->tab_strip_model()->GetWebContentsAt(0);
+  }
+
+  void CloseDevToolsWindow() {
+    content::DevToolsManager* devtools_manager =
+        content::DevToolsManager::GetInstance();
+    content::WindowedNotificationObserver close_observer(
+        content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
+        content::Source<content::WebContents>(
+            devtools_window_->web_contents()));
+    devtools_manager->CloseAllClientHosts();
+    close_observer.Wait();
+  }
+
+  DevToolsWindow* devtools_window_;
+};
+
+// SendMouseMoseSync only reliably works on Linux.
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#define MAYBE_TouchEmulation TouchEmulation
+#else
+#define MAYBE_TouchEmulation DISABLED_TouchEmulation
+#endif
+
+IN_PROC_BROWSER_TEST_F(DevToolsInteractiveTest, MAYBE_TouchEmulation) {
+  OpenDevToolsWindow(kTouchEmulationPage, false);
+  ASSERT_TRUE(ui_test_utils::BringBrowserWindowToFront(browser()));
+  std::string result;
+
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      devtools_window_->web_contents()->GetRenderViewHost(),
+      "uiTests.runTest('enableTouchEmulation')",
+      &result));
+  EXPECT_EQ("[OK]", result);
+
+  // Clear dirty events before touch emulation.
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      GetInspectedTab()->GetRenderViewHost(),
+      "getEventNames(0)",
+      &result));
+
+  gfx::Rect bounds = GetInspectedTab()->GetContainerBounds();
+  gfx::Point position = bounds.origin();
+
+  // Simple touch sequence.
+  position.Offset(10, 10);
+  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(position));
+  ASSERT_TRUE(ui_test_utils::SendMouseEventsSync(
+      ui_controls::LEFT, ui_controls::DOWN));
+  position.Offset(30, 0);
+  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(position));
+  ASSERT_TRUE(ui_test_utils::SendMouseEventsSync(
+      ui_controls::LEFT, ui_controls::UP));
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      GetInspectedTab()->GetRenderViewHost(),
+      "getEventNames(3)",
+      &result));
+  EXPECT_EQ("touchstart touchmove touchend", result);
+
+  // If mouse is not pressed - no touches.
+  position.Offset(-30, 0);
+  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(position));
+  position.Offset(30, 0);
+  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(position));
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      GetInspectedTab()->GetRenderViewHost(),
+      "getEventNames(0)",
+      &result));
+  EXPECT_EQ("", result);
+
+  // Don't prevent default to get click sequence.
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      GetInspectedTab()->GetRenderViewHost(),
+      "preventDefault = false; window.domAutomationController.send('OK')",
+      &result));
+  // Click.
+  ASSERT_TRUE(ui_test_utils::SendMouseEventsSync(
+      ui_controls::LEFT, ui_controls::DOWN));
+  ASSERT_TRUE(ui_test_utils::SendMouseEventsSync(
+      ui_controls::LEFT, ui_controls::UP));
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      GetInspectedTab()->GetRenderViewHost(),
+      "getEventNames(6)",
+      &result));
+  EXPECT_EQ(
+      "touchstart touchend mousemove mousedown mouseup click",
+      result);
+
+  CloseDevToolsWindow();
+
+  // Touch emulation is off - mouse events should come.
+  position.Offset(-30, 0);
+  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(position));
+  position.Offset(30, 0);
+  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(position));
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      GetInspectedTab()->GetRenderViewHost(),
+      "getEventNames(2)",
+      &result));
+  EXPECT_EQ("mousemove mousemove", result);
+
+  // Ensure no extra events.
+  base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(200));
+  content::RunAllPendingInMessageLoop();
+  ASSERT_TRUE(content::ExecuteScriptAndExtractString(
+      GetInspectedTab()->GetRenderViewHost(),
+      "getEventNames(0)",
+      &result));
+  EXPECT_EQ("", result);
+}