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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/btm/btm_page_visit_observer.h"
#include <memory>
#include "base/notreached.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "content/browser/btm/btm_page_visit_observer_test_utils.h"
#include "content/public/browser/cookie_access_details.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/navigation_simulator.h"
#include "content/public/test/test_browser_context.h"
#include "content/public/test/test_renderer_host.h"
#include "content/public/test/web_contents_tester.h"
#include "content/test/test_web_contents.h"
#include "net/base/net_errors.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/page_transition_types.h"
#include "url/gurl.h"
using testing::AllOf;
using testing::ElementsAre;
using testing::IsEmpty;
namespace content {
class BtmPageVisitObserverTest : public testing::Test {
public:
WebContents* web_contents() { return web_contents_.get(); }
protected:
BrowserTaskEnvironment task_environment_;
TestBrowserContext browser_context_;
RenderViewHostTestEnabler rvh_test_enabler_;
std::unique_ptr<WebContents> web_contents_ =
WebContentsTester::CreateTestWebContents(&browser_context_,
/*SiteInstance=*/nullptr);
};
TEST_F(BtmPageVisitObserverTest, PreviousPage) {
auto* tester = WebContentsTester::For(web_contents());
const GURL url1("http://a.test/");
const GURL url2("http://b.test/");
BtmPageVisitRecorder recorder(web_contents());
tester->NavigateAndCommit(url1);
ASSERT_TRUE(recorder.WaitForSize(1));
EXPECT_EQ(recorder.visits()[0].prev_page.url, GURL());
EXPECT_EQ(recorder.visits()[0].navigation.destination.url, url1);
tester->NavigateAndCommit(url2);
ASSERT_TRUE(recorder.WaitForSize(2));
EXPECT_EQ(recorder.visits()[1].prev_page.url, url1);
EXPECT_EQ(recorder.visits()[1].navigation.destination.url, url2);
}
TEST_F(BtmPageVisitObserverTest, ServerRedirects) {
const GURL url1("http://a.test/");
const GURL url2("http://b.test/");
const GURL url3("http://c.test/");
BtmPageVisitRecorder recorder(web_contents());
// Navigate to url1.
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(), url1);
// Navigate to url2, but redirect to url3.
auto nav = NavigationSimulator::CreateBrowserInitiated(url2, web_contents());
nav->Start();
nav->Redirect(url3);
nav->Commit();
ASSERT_TRUE(recorder.WaitForSize(2));
// Two navigations are observed, the second with a redirect.
const BtmNavigationInfo& navigation1 = recorder.visits()[0].navigation;
EXPECT_EQ(navigation1.server_redirects.size(), 0u);
EXPECT_EQ(navigation1.destination.url, url1);
const BtmNavigationInfo& navigation2 = recorder.visits()[1].navigation;
ASSERT_EQ(navigation2.server_redirects.size(), 1u);
EXPECT_EQ(navigation2.server_redirects[0].url, url2);
EXPECT_EQ(navigation2.destination.url, url3);
}
TEST_F(BtmPageVisitObserverTest, IgnoreUncommitted) {
const GURL url1("http://a.test/");
const GURL url2("http://b.test/");
const GURL url3("http://c.test/");
BtmPageVisitRecorder recorder(web_contents());
// Navigate to url1 and commit.
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(), url1);
// Navigate to url2, but don't commit.
auto nav = NavigationSimulator::CreateBrowserInitiated(url2, web_contents());
nav->Start();
nav->AbortCommit();
// Navigate to url3 and commit.
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(), url3);
ASSERT_TRUE(recorder.WaitForSize(2));
// Only url1 and url3 navigations are observed.
EXPECT_EQ(recorder.visits()[0].navigation.destination.url, url1);
EXPECT_EQ(recorder.visits()[1].prev_page.url, url1);
EXPECT_EQ(recorder.visits()[1].navigation.destination.url, url3);
}
TEST_F(BtmPageVisitObserverTest, IgnoreSubframes) {
const GURL url1("http://a.test/");
const GURL url2("http://b.test/");
const GURL url3("http://c.test/");
BtmPageVisitRecorder recorder(web_contents());
// Top-level navigation to url1.
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(), url1);
// Subframe navigation to url2.
RenderFrameHost* iframe =
RenderFrameHostTester::For(web_contents()->GetPrimaryMainFrame())
->AppendChild("iframe");
NavigationSimulator::NavigateAndCommitFromDocument(url2, iframe);
// Top-level navigation to url3.
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(), url3);
ASSERT_TRUE(recorder.WaitForSize(2));
// Only url1 and url3 navigations are observed.
EXPECT_EQ(recorder.visits()[0].navigation.destination.url, url1);
EXPECT_EQ(recorder.visits()[1].prev_page.url, url1);
EXPECT_EQ(recorder.visits()[1].navigation.destination.url, url3);
}
// Same-document navigations are ignored.
TEST_F(BtmPageVisitObserverTest, IgnoreSameDocument) {
const GURL url1a("http://a.test/");
const GURL url1b("http://a.test/#top");
const GURL url2("http://b.test/");
BtmPageVisitRecorder recorder(web_contents());
// Navigate to url1a
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(), url1a);
// Navigate to same-document url1b.
auto nav = NavigationSimulator::CreateBrowserInitiated(url1b, web_contents());
nav->Start();
nav->CommitSameDocument();
// Navigate to url2.
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(), url2);
ASSERT_TRUE(recorder.WaitForSize(2));
// Only the url1a and url2 navigations are observed.
EXPECT_EQ(recorder.visits()[0].navigation.destination.url, url1a);
EXPECT_EQ(recorder.visits()[1].prev_page.url, url1a);
EXPECT_EQ(recorder.visits()[1].navigation.destination.url, url2);
}
TEST_F(BtmPageVisitObserverTest, FlushPendingVisitsAtDestruction) {
int counter = 0;
{
BtmPageVisitObserver observer(
web_contents(),
base::BindLambdaForTesting(
[&counter](BtmPageVisitInfo, BtmNavigationInfo) { ++counter; }));
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(),
GURL("http://a.test/"));
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(),
GURL("http://b.test/"));
NavigationSimulator::NavigateAndCommitFromBrowser(web_contents(),
GURL("http://c.test/"));
}
// If observer's pending visits isn't flushed, `counter` will (typically)
// still be 0. But if they are, all three visits will be recorded.
EXPECT_EQ(counter, 3);
}
} // namespace content
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