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// Copyright 2024 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/webui/top_chrome/per_profile_webui_tracker.h"
#include "base/scoped_observation.h"
#include "chrome/browser/ui/webui/top_chrome/webui_contents_preload_state.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "content/public/test/web_contents_tester.h"
#include "testing/gmock/include/gmock/gmock.h"
namespace {
constexpr char kWebUIUrl1[] = "chrome://example";
constexpr char kWebUIUrl2[] = "chrome://example2";
} // namespace
class PerProfileWebUITrackerTest : public ChromeRenderViewHostTestHarness {
public:
PerProfileWebUITrackerTest() : tracker_(PerProfileWebUITracker::Create()) {}
~PerProfileWebUITrackerTest() override = default;
PerProfileWebUITrackerTest(const PerProfileWebUITrackerTest&) = delete;
PerProfileWebUITrackerTest& operator=(const PerProfileWebUITrackerTest&) =
delete;
PerProfileWebUITracker* tracker() { return tracker_.get(); }
private:
std::unique_ptr<PerProfileWebUITracker> tracker_;
};
TEST_F(PerProfileWebUITrackerTest, Basic) {
std::unique_ptr<content::WebContents> web_contents_1, web_contents_2;
web_contents_1 = CreateTestWebContents();
web_contents_2 = CreateTestWebContents();
content::WebContentsTester::For(web_contents_1.get())
->NavigateAndCommit(GURL(kWebUIUrl1));
content::WebContentsTester::For(web_contents_2.get())
->NavigateAndCommit(GURL(kWebUIUrl2));
ASSERT_EQ(web_contents_1->GetBrowserContext(), profile());
tracker()->AddWebContents(web_contents_1.get());
EXPECT_TRUE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
// web_contents_2 is not tracked, therefore ProfileHasWebUI() returns false
// for kWebUIUrl2.
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl2));
tracker()->AddWebContents(web_contents_2.get());
EXPECT_TRUE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl2));
// Deleting web_contents_1 causes kWebUIUrl1 to be no longer present, while
// kWebUIUrl2 is still present.
web_contents_1.reset();
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
EXPECT_TRUE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl2));
web_contents_2.reset();
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl2));
}
// Tests that when a profile opens two WebUIs of the same URL, the tracker
// will indicate that the WebUI is still present after closing one of them.
TEST_F(PerProfileWebUITrackerTest, TwoWebUIsOfSameURL) {
std::unique_ptr<content::WebContents> web_contents_1, web_contents_2;
web_contents_1 = CreateTestWebContents();
web_contents_2 = CreateTestWebContents();
// Both WebContents navigate to kWebUIUrl1.
content::WebContentsTester::For(web_contents_1.get())
->NavigateAndCommit(GURL(kWebUIUrl1));
content::WebContentsTester::For(web_contents_2.get())
->NavigateAndCommit(GURL(kWebUIUrl1));
ASSERT_EQ(web_contents_1->GetBrowserContext(), profile());
tracker()->AddWebContents(web_contents_1.get());
tracker()->AddWebContents(web_contents_2.get());
EXPECT_TRUE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
// Close one WebUI, the WebUI is still present under this profile.
web_contents_1.reset();
EXPECT_TRUE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
// Close the other WebUI, no WebUI is present under this profile.
web_contents_2.reset();
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
}
// Tests that the tracker distinguishes different profiles.
TEST_F(PerProfileWebUITrackerTest, DifferentProfiles) {
std::unique_ptr<TestingProfile> profile1 = CreateTestingProfile();
std::unique_ptr<TestingProfile> profile2 = CreateTestingProfile();
std::unique_ptr<content::WebContents> web_contents_1 =
content::WebContentsTester::CreateTestWebContents(profile1.get(),
nullptr);
std::unique_ptr<content::WebContents> web_contents_2 =
content::WebContentsTester::CreateTestWebContents(profile2.get(),
nullptr);
content::WebContentsTester::For(web_contents_1.get())
->NavigateAndCommit(GURL(kWebUIUrl1));
content::WebContentsTester::For(web_contents_2.get())
->NavigateAndCommit(GURL(kWebUIUrl2));
tracker()->AddWebContents(web_contents_1.get());
tracker()->AddWebContents(web_contents_2.get());
EXPECT_TRUE(tracker()->ProfileHasWebUI(profile1.get(), kWebUIUrl1));
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile1.get(), kWebUIUrl2));
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile2.get(), kWebUIUrl1));
EXPECT_TRUE(tracker()->ProfileHasWebUI(profile2.get(), kWebUIUrl2));
}
// Tests that the tracker work as expected when a WebContents navigates from
// about:blank to a WebUI.
TEST_F(PerProfileWebUITrackerTest, Navigation) {
std::unique_ptr<content::WebContents> web_contents = CreateTestWebContents();
ASSERT_EQ(web_contents->GetBrowserContext(), profile());
// The WebContents is not yet navigated.
tracker()->AddWebContents(web_contents.get());
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
// Navigate to a WebUI.
content::WebContentsTester::For(web_contents.get())
->NavigateAndCommit(GURL(kWebUIUrl1));
EXPECT_TRUE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
// Navigate away.
content::WebContentsTester::For(web_contents.get())
->NavigateAndCommit(GURL("about:blank"));
EXPECT_FALSE(tracker()->ProfileHasWebUI(profile(), kWebUIUrl1));
}
// Test for ProfileHasBackgroundWebUI(), which should return true if a URL has
// WebUI instances that are not yet shown.
TEST_F(PerProfileWebUITrackerTest, BackgroundWebUI) {
std::unique_ptr<content::WebContents> web_contents = CreateTestWebContents();
content::WebContentsTester* web_contents_tester =
content::WebContentsTester::For(web_contents.get());
web_contents_tester->NavigateAndCommit(GURL(kWebUIUrl1));
tracker()->AddWebContents(web_contents.get());
auto make_webui_foreground = [](content::WebContents* web_contents) {
WebUIContentsPreloadState::CreateForWebContents(web_contents);
WebUIContentsPreloadState::FromWebContents(web_contents)
->request_time = base::TimeTicks::Now();
};
auto make_webui_background = [](content::WebContents* web_contents) {
WebUIContentsPreloadState::CreateForWebContents(web_contents);
auto* state = WebUIContentsPreloadState::FromWebContents(web_contents);
state->request_time.reset();
state->preloaded = true;
};
make_webui_background(web_contents.get());
EXPECT_TRUE(tracker()->ProfileHasBackgroundWebUI(profile(), kWebUIUrl1));
// Show a new foreground WebUI of the same URL. HasBackgroundWebUI() should
// still return true.
std::unique_ptr<content::WebContents> web_contents2 =
CreateTestWebContents();
content::WebContentsTester* web_contents_tester2 =
content::WebContentsTester::For(web_contents2.get());
web_contents_tester2->NavigateAndCommit(GURL(kWebUIUrl1));
make_webui_foreground(web_contents2.get());
EXPECT_TRUE(tracker()->ProfileHasBackgroundWebUI(profile(), kWebUIUrl1));
// Make the original `web_contents` foreground. HasBackgroundWebUI() should
// return false.
make_webui_foreground(web_contents.get());
EXPECT_FALSE(tracker()->ProfileHasBackgroundWebUI(profile(), kWebUIUrl1));
}
class MockTrackerObserver : public PerProfileWebUITracker::Observer {
public:
MOCK_METHOD(void,
OnWebContentsDestroyed,
(content::WebContents*),
(override));
MOCK_METHOD(void,
OnWebContentsPrimaryPageChanged,
(content::WebContents*),
(override));
};
// Tests that the observer of tracker is notified of WebContents destroy.
TEST_F(PerProfileWebUITrackerTest, Observer) {
std::unique_ptr<content::WebContents> web_contents = CreateTestWebContents();
ASSERT_EQ(web_contents->GetBrowserContext(), profile());
tracker()->AddWebContents(web_contents.get());
MockTrackerObserver mock_observer;
base::ScopedObservation<PerProfileWebUITracker,
PerProfileWebUITracker::Observer>
observation{&mock_observer};
EXPECT_CALL(mock_observer, OnWebContentsDestroyed(web_contents.get()));
observation.Observe(tracker());
web_contents.reset();
}
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