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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 <memory>
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "base/time/time.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/enterprise/browser_management/management_service_factory.h"
#include "chrome/browser/extensions/extension_browsertest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_window/public/browser_window_features.h"
#include "chrome/browser/ui/ui_features.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/new_tab_footer/footer_web_view.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/chrome_test_utils.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/policy/core/common/management/scoped_management_service_override_for_testing.h"
#include "components/prefs/pref_service.h"
#include "components/search/ntp_features.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/common/extension.h"
#include "extensions/test/test_extension_dir.h"
#include "net/base/url_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/window_open_disposition.h"
#include "url/gurl.h"
namespace {
const char kNonNtpUrl[] = "https://www.google.com";
}
class FooterControllerExtensionTestBase
: public extensions::ExtensionBrowserTest {
public:
void SetUpOnMainThread() override {
extensions::ExtensionBrowserTest::SetUpOnMainThread();
profile()->GetPrefs()->SetBoolean(prefs::kNtpFooterVisible, true);
}
scoped_refptr<const extensions::Extension> LoadNtpExtension() {
extensions::TestExtensionDir extension_dir;
constexpr char kManifest[] = R"(
{
"chrome_url_overrides": {
"newtab": "ext.html"
},
"name": "Extension-overridden NTP",
"manifest_version": 3,
"version": "0.1"
})";
extension_dir.WriteManifest(kManifest);
extension_dir.WriteFile(FILE_PATH_LITERAL("ext.html"),
"<body>Extension-overridden NTP</body>");
scoped_refptr<const extensions::Extension> extension =
LoadExtension(extension_dir.Pack());
return extension;
}
void NavigateCurrentTab(const GURL& url) {
ui_test_utils::NavigateToURLWithDisposition(
browser(), url, WindowOpenDisposition::CURRENT_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
}
void OpenNewTab(const GURL& url) {
ui_test_utils::NavigateToURLWithDisposition(
browser(), url, WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
}
new_tab_footer::NewTabFooterWebView* footer() {
return BrowserView::GetBrowserViewForBrowser(browser())
->new_tab_footer_web_view();
}
protected:
base::test::ScopedFeatureList feature_list_;
};
class FooterControllerExtensionTest : public FooterControllerExtensionTestBase {
public:
FooterControllerExtensionTest() {
feature_list_.InitWithFeatures(
/*enabled_features=*/{ntp_features::kNtpFooter},
/*disabled_features=*/{features::kSideBySide});
}
~FooterControllerExtensionTest() override = default;
};
IN_PROC_BROWSER_TEST_F(FooterControllerExtensionTest, TabChanged) {
ASSERT_FALSE(footer()->GetVisible());
auto extension = LoadNtpExtension();
ASSERT_FALSE(footer()->GetVisible());
OpenNewTab(GURL(extension->url()));
EXPECT_TRUE(footer()->GetVisible());
NavigateCurrentTab(GURL(kNonNtpUrl));
EXPECT_FALSE(footer()->GetVisible());
NavigateCurrentTab(extension->url());
EXPECT_TRUE(footer()->GetVisible());
OpenNewTab(GURL(chrome::kChromeUINewTabPageURL));
EXPECT_FALSE(footer()->GetVisible());
}
IN_PROC_BROWSER_TEST_F(FooterControllerExtensionTest, UserPrefChanged) {
profile()->GetPrefs()->SetBoolean(prefs::kNtpFooterVisible, false);
auto extension = LoadNtpExtension();
NavigateCurrentTab(extension->url());
ASSERT_FALSE(footer()->GetVisible());
profile()->GetPrefs()->SetBoolean(prefs::kNtpFooterVisible, true);
EXPECT_TRUE(footer()->GetVisible());
profile()->GetPrefs()->SetBoolean(prefs::kNtpFooterVisible, false);
EXPECT_FALSE(footer()->GetVisible());
}
IN_PROC_BROWSER_TEST_F(FooterControllerExtensionTest,
AttributionPolicyChanged) {
auto extension = LoadNtpExtension();
ASSERT_FALSE(footer()->GetVisible());
NavigateCurrentTab(extension->url());
EXPECT_TRUE(footer()->GetVisible());
profile()->GetPrefs()->SetBoolean(
prefs::kNTPFooterExtensionAttributionEnabled, false);
EXPECT_FALSE(footer()->GetVisible());
profile()->GetPrefs()->SetBoolean(
prefs::kNTPFooterExtensionAttributionEnabled, true);
EXPECT_TRUE(footer()->GetVisible());
}
IN_PROC_BROWSER_TEST_F(FooterControllerExtensionTest, VisibilityRecorded) {
base::HistogramTester histogram_tester;
const std::string& visible_on_load = "NewTabPage.Footer.VisibleOnLoad";
auto extension = LoadNtpExtension();
histogram_tester.ExpectTotalCount(visible_on_load, 0);
NavigateCurrentTab(extension->url());
histogram_tester.ExpectTotalCount(visible_on_load, 1);
histogram_tester.ExpectBucketCount(visible_on_load, true, 1);
profile()->GetPrefs()->SetBoolean(
prefs::kNTPFooterExtensionAttributionEnabled, false);
histogram_tester.ExpectTotalCount(visible_on_load, 1);
histogram_tester.ExpectBucketCount(visible_on_load, true, 1);
NavigateCurrentTab(extension->url());
histogram_tester.ExpectTotalCount(visible_on_load, 2);
histogram_tester.ExpectBucketCount(visible_on_load, true, 1);
histogram_tester.ExpectBucketCount(visible_on_load, false, 1);
}
IN_PROC_BROWSER_TEST_F(FooterControllerExtensionTest, ShownTimeRecorded) {
base::HistogramTester histogram_tester;
const std::string& shown_time = "NewTabPage.Footer.ShownTime";
auto extension = LoadNtpExtension();
histogram_tester.ExpectTotalCount(shown_time, 0);
base::TimeTicks start = base::TimeTicks::Now();
NavigateCurrentTab(extension->url());
int max_expected = (base::TimeTicks::Now() - start).InMilliseconds();
histogram_tester.ExpectTotalCount(shown_time, 1);
int actual = histogram_tester.GetAllSamples(shown_time)[0].min;
EXPECT_GT(actual, 1);
EXPECT_LE(actual, max_expected);
}
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
class FooterControllerEnterpriseTest
: public FooterControllerExtensionTestBase,
public testing::WithParamInterface<bool> {
public:
FooterControllerEnterpriseTest() {
feature_list_.InitWithFeatures(
/*enabled_features=*/{ntp_features::kNtpFooter,
features::kEnterpriseBadgingForNtpFooter},
/*disabled_features=*/{features::kSideBySide});
}
~FooterControllerEnterpriseTest() override = default;
bool managed() { return GetParam(); }
PrefService* local_state() { return g_browser_process->local_state(); }
};
INSTANTIATE_TEST_SUITE_P(, FooterControllerEnterpriseTest, testing::Bool());
IN_PROC_BROWSER_TEST_P(FooterControllerEnterpriseTest, NoticePolicyEnabled) {
policy::ScopedManagementServiceOverrideForTesting browser_management(
policy::ManagementServiceFactory::GetForProfile(profile()),
managed() ? policy::EnterpriseManagementAuthority::DOMAIN_LOCAL
: policy::EnterpriseManagementAuthority::NONE);
// Non-NTP
ASSERT_FALSE(footer()->GetVisible());
// Default NTP
NavigateCurrentTab(GURL(chrome::kChromeUINewTabURL));
EXPECT_EQ(managed(), footer()->GetVisible());
// 1P NTP
NavigateCurrentTab(GURL(chrome::kChromeUINewTabPageURL));
EXPECT_EQ(managed(), footer()->GetVisible());
// 3P NTP
NavigateCurrentTab(GURL(chrome::kChromeUINewTabPageThirdPartyURL));
EXPECT_EQ(managed(), footer()->GetVisible());
// Extension NTP
auto extension = LoadNtpExtension();
NavigateCurrentTab(extension->url());
EXPECT_TRUE(footer()->GetVisible());
// Non-NTP
NavigateCurrentTab(GURL(kNonNtpUrl));
EXPECT_FALSE(footer()->GetVisible());
}
IN_PROC_BROWSER_TEST_P(FooterControllerEnterpriseTest, NoticePolicyDisabled) {
policy::ScopedManagementServiceOverrideForTesting browser_management(
policy::ManagementServiceFactory::GetForProfile(profile()),
managed() ? policy::EnterpriseManagementAuthority::DOMAIN_LOCAL
: policy::EnterpriseManagementAuthority::NONE);
local_state()->SetBoolean(prefs::kNTPFooterManagementNoticeEnabled, false);
NavigateCurrentTab(GURL(chrome::kChromeUINewTabPageURL));
EXPECT_FALSE(footer()->GetVisible());
}
IN_PROC_BROWSER_TEST_P(FooterControllerEnterpriseTest, NoticePolicyChanged) {
policy::ScopedManagementServiceOverrideForTesting browser_management(
policy::ManagementServiceFactory::GetForProfile(profile()),
managed() ? policy::EnterpriseManagementAuthority::DOMAIN_LOCAL
: policy::EnterpriseManagementAuthority::NONE);
ASSERT_FALSE(footer()->GetVisible());
NavigateCurrentTab(GURL(chrome::kChromeUINewTabURL));
EXPECT_EQ(managed(), footer()->GetVisible());
local_state()->SetBoolean(prefs::kNTPFooterManagementNoticeEnabled, false);
EXPECT_FALSE(footer()->GetVisible());
local_state()->SetBoolean(prefs::kNTPFooterManagementNoticeEnabled, true);
EXPECT_EQ(managed(), footer()->GetVisible());
}
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
// TODO(crbug.com/4438803): Once the controller supports SideBySide enablement,
// refactor `FooterControllerExtensionTest` into a value-parameterized test,
// making `FooterControllerSideBySideTest` and
// `FooterControllerExtensionTestBase` redundant.
class FooterControllerSideBySideTest : public InProcessBrowserTest {
public:
FooterControllerSideBySideTest() {
feature_list_.InitWithFeatures(
/*enabled_features=*/{ntp_features::kNtpFooter, features::kSideBySide},
/*disabled_features=*/{});
}
~FooterControllerSideBySideTest() override = default;
private:
base::test::ScopedFeatureList feature_list_;
};
IN_PROC_BROWSER_TEST_F(FooterControllerSideBySideTest, FooterNotCreated) {
auto* footer = BrowserView::GetBrowserViewForBrowser(browser())
->new_tab_footer_web_view();
EXPECT_FALSE(footer);
}
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