Adding instrumentation to locate the source of jankiness
[chromium-blink-merge.git] / chrome / browser / dom_distiller / tab_utils_browsertest.cc
blob7c79188f07d4950a395894bee06b56b33c6f97f0
1 // Copyright 2014 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.
5 #include <string.h>
7 #include "base/command_line.h"
8 #include "base/strings/utf_string_conversions.h"
9 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
10 #include "chrome/browser/dom_distiller/tab_utils.h"
11 #include "chrome/browser/ui/browser.h"
12 #include "chrome/browser/ui/tabs/tab_strip_model.h"
13 #include "chrome/common/chrome_switches.h"
14 #include "chrome/test/base/in_process_browser_test.h"
15 #include "chrome/test/base/ui_test_utils.h"
16 #include "components/dom_distiller/content/web_contents_main_frame_observer.h"
17 #include "components/dom_distiller/core/dom_distiller_service.h"
18 #include "components/dom_distiller/core/task_tracker.h"
19 #include "components/dom_distiller/core/url_constants.h"
20 #include "components/dom_distiller/core/url_utils.h"
21 #include "content/public/browser/render_frame_host.h"
22 #include "content/public/browser/web_contents.h"
23 #include "content/public/browser/web_contents_observer.h"
24 #include "net/test/embedded_test_server/embedded_test_server.h"
25 #include "testing/gtest/include/gtest/gtest.h"
27 namespace dom_distiller {
29 namespace {
30 const char* kSimpleArticlePath = "/dom_distiller/simple_article.html";
31 } // namespace
33 class DomDistillerTabUtilsBrowserTest : public InProcessBrowserTest {
34 public:
35 virtual void SetUpCommandLine(CommandLine* command_line) override {
36 command_line->AppendSwitch(switches::kEnableDomDistiller);
40 class WebContentsMainFrameHelper : public content::WebContentsObserver {
41 public:
42 WebContentsMainFrameHelper(content::WebContents* web_contents,
43 const base::Closure& callback)
44 : callback_(callback) {
45 content::WebContentsObserver::Observe(web_contents);
48 virtual void DidFinishLoad(content::RenderFrameHost* render_frame_host,
49 const GURL& validated_url) override {
50 if (!render_frame_host->GetParent() &&
51 validated_url.scheme() == kDomDistillerScheme)
52 callback_.Run();
55 private:
56 base::Closure callback_;
59 IN_PROC_BROWSER_TEST_F(DomDistillerTabUtilsBrowserTest, TestSwapWebContents) {
60 ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
62 content::WebContents* initial_web_contents =
63 browser()->tab_strip_model()->GetActiveWebContents();
64 const GURL& article_url = embedded_test_server()->GetURL(kSimpleArticlePath);
66 // This blocks until the navigation has completely finished.
67 ui_test_utils::NavigateToURL(browser(), article_url);
69 DistillCurrentPageAndView(initial_web_contents);
71 // Wait until the new WebContents has fully navigated.
72 content::WebContents* after_web_contents =
73 browser()->tab_strip_model()->GetActiveWebContents();
74 ASSERT_TRUE(after_web_contents != NULL);
75 base::RunLoop new_url_loaded_runner;
76 scoped_ptr<WebContentsMainFrameHelper> distilled_page_loaded(
77 new WebContentsMainFrameHelper(after_web_contents,
78 new_url_loaded_runner.QuitClosure()));
79 new_url_loaded_runner.Run();
81 // Verify the new URL is showing distilled content in a new WebContents.
82 EXPECT_NE(initial_web_contents, after_web_contents);
83 EXPECT_TRUE(
84 after_web_contents->GetLastCommittedURL().SchemeIs(kDomDistillerScheme));
85 EXPECT_EQ("Test Page Title",
86 base::UTF16ToUTF8(after_web_contents->GetTitle()));
89 } // namespace dom_distiller