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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/tab_ui_helper.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/public/tab_features.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/tabs/public/tab_interface.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/prerender_test_util.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "third_party/blink/public/common/features.h"
class TabUIHelperWithPrerenderingTest : public InProcessBrowserTest {
public:
TabUIHelperWithPrerenderingTest()
: prerender_test_helper_(base::BindRepeating(
&TabUIHelperWithPrerenderingTest::GetWebContents,
base::Unretained(this))) {}
~TabUIHelperWithPrerenderingTest() override = default;
TabUIHelperWithPrerenderingTest(const TabUIHelperWithPrerenderingTest&) =
delete;
TabUIHelperWithPrerenderingTest& operator=(
const TabUIHelperWithPrerenderingTest&) = delete;
void SetUp() override {
prerender_test_helper_.RegisterServerRequestMonitor(embedded_test_server());
InProcessBrowserTest::SetUp();
}
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
ASSERT_TRUE(embedded_test_server()->Start());
}
content::test::PrerenderTestHelper& prerender_test_helper() {
return prerender_test_helper_;
}
content::WebContents* GetWebContents() {
return browser()->tab_strip_model()->GetActiveWebContents();
}
private:
content::test::PrerenderTestHelper prerender_test_helper_;
};
IN_PROC_BROWSER_TEST_F(TabUIHelperWithPrerenderingTest,
ShouldNotAffectTabUIHelperOnPrerendering) {
const GURL initial_url = embedded_test_server()->GetURL("/empty.html");
const GURL prerender_url =
embedded_test_server()->GetURL("/favicon/title2_with_favicon.html");
ASSERT_NE(ui_test_utils::NavigateToURL(browser(), initial_url), nullptr);
TabUIHelper* const tab_ui_helper = browser()
->tab_strip_model()
->GetActiveTab()
->GetTabFeatures()
->tab_ui_helper();
const std::u16string primary_title = tab_ui_helper->GetTitle();
const ui::ImageModel primary_favicon = tab_ui_helper->GetFavicon();
const bool primary_should_hide_throbber = tab_ui_helper->ShouldHideThrobber();
// Set |create_by_session_restore_| to true to check if the value is changed
// after prerendering. It should not be changed because DidStopLoading is not
// called during the prerendering.
tab_ui_helper->set_created_by_session_restore(true);
// Prerender to another site.
prerender_test_helper().AddPrerender(prerender_url);
// Check if the prerendering doesn't affect the returned values of
// TabUIHelper.
EXPECT_EQ(primary_title, tab_ui_helper->GetTitle());
EXPECT_EQ(primary_favicon, tab_ui_helper->GetFavicon());
EXPECT_EQ(primary_should_hide_throbber, tab_ui_helper->ShouldHideThrobber());
// is_created_by_session_restore_for_testing should return true because
// DidStopLoading is not called.
EXPECT_TRUE(tab_ui_helper->is_created_by_session_restore_for_testing());
// Activate the prerendered page.
prerender_test_helper().NavigatePrimaryPage(prerender_url);
// Check if new values are different from the previous primary values after
// activating the prerendered page.
EXPECT_NE(primary_title, tab_ui_helper->GetTitle());
EXPECT_FALSE(primary_favicon == tab_ui_helper->GetFavicon());
EXPECT_FALSE(tab_ui_helper->ShouldHideThrobber());
}
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