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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 "chrome/browser/ui/tabs/split_view_iph_controller.h"
#include <memory>
#include "base/strings/string_number_conversions.h"
#include "base/test/gtest_util.h"
#include "chrome/browser/ui/browser_actions.h"
#include "chrome/browser/ui/browser_window/public/browser_window_features.h"
#include "chrome/browser/ui/browser_window/test/mock_browser_window_interface.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/tabs/test_tab_strip_model_delegate.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "chrome/test/user_education/mock_browser_user_education_interface.h"
#include "components/tabs/public/tab_interface.h"
#include "components/user_education/common/feature_promo/feature_promo_controller.h"
#include "components/user_education/test/mock_feature_promo_controller.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/test_renderer_host.h"
#include "content/public/test/web_contents_tester.h"
class SplitViewIphControllerTest : public ChromeRenderViewHostTestHarness {
public:
void SetUp() override {
ChromeRenderViewHostTestHarness::SetUp();
test_tab_strip_model_delegate_.SetBrowserWindowInterface(
&mock_browser_window_interface_);
tab_strip_model_ = std::make_unique<TabStripModel>(
&test_tab_strip_model_delegate_, profile());
ON_CALL(mock_browser_window_interface_, GetTabStripModel())
.WillByDefault(testing::Return(tab_strip_model_.get()));
ON_CALL(mock_browser_window_interface_, GetUnownedUserDataHost())
.WillByDefault(testing::ReturnRef(user_data_host_));
user_education_.emplace(&mock_browser_window_interface_);
ON_CALL(*user_education_, MaybeShowFeaturePromo(testing::_))
.WillByDefault([](user_education::FeaturePromoParams params) {
return user_education::FeaturePromoResult::Success();
});
}
void TearDown() override {
DeleteContents();
tab_strip_model_.reset();
test_tab_strip_model_delegate_.SetBrowserWindowInterface(nullptr);
ChromeRenderViewHostTestHarness::TearDown();
}
TabStripModel* tab_strip_model() { return tab_strip_model_.get(); }
MockBrowserWindowInterface* browser_window_interface() {
return &mock_browser_window_interface_;
}
std::unique_ptr<content::WebContents> CreateWebContents() {
return content::WebContentsTester::CreateTestWebContents(profile(),
nullptr);
}
tabs::TabInterface* AddTab(TabStripModel* tab_strip_model = nullptr,
std::optional<GURL> url = std::nullopt) {
std::unique_ptr<content::WebContents> contents_unique_ptr =
CreateWebContents();
content::WebContentsTester::For(contents_unique_ptr.get())
->NavigateAndCommit(url.has_value() ? url.value()
: GURL("http://test_url"));
content::WebContents* content_ptr = contents_unique_ptr.get();
if (!tab_strip_model) {
tab_strip_model = tab_strip_model_.get();
}
tab_strip_model->AppendWebContents(std::move(contents_unique_ptr), true);
return tab_strip_model->GetTabForWebContents(content_ptr);
}
MockBrowserUserEducationInterface* user_education() {
return static_cast<MockBrowserUserEducationInterface*>(
BrowserUserEducationInterface::From(browser_window_interface()));
}
private:
testing::NiceMock<MockBrowserWindowInterface> mock_browser_window_interface_;
TestTabStripModelDelegate test_tab_strip_model_delegate_;
std::unique_ptr<TabStripModel> tab_strip_model_;
ui::UnownedUserDataHost user_data_host_;
ui::UserDataFactory::ScopedOverride user_ed_override_;
std::optional<MockBrowserUserEducationInterface> user_education_;
const tabs::TabModel::PreventFeatureInitializationForTesting prevent_;
};
TEST_F(SplitViewIphControllerTest, RemoveAllTabs) {
SplitViewIphController iphController{browser_window_interface()};
AddTab(tab_strip_model(), GURL("test_tab_1"));
AddTab(tab_strip_model(), GURL("test_tab_2"));
EXPECT_EQ(iphController.get_recent_tabs_size(), 2);
tab_strip_model()->CloseAllTabs();
// All tabs but 1 will be closed, which will remain in recent_tabs_.
EXPECT_EQ(iphController.get_recent_tabs_size(), 1);
}
TEST_F(SplitViewIphControllerTest, AddMoreThanTwoTabs) {
SplitViewIphController iphController{browser_window_interface()};
AddTab(tab_strip_model(), GURL("test_tab_1"));
AddTab(tab_strip_model(), GURL("test_tab_2"));
EXPECT_EQ(iphController.get_recent_tabs_size(), 2);
AddTab(tab_strip_model(), GURL("test_tab_3"));
AddTab(tab_strip_model(), GURL("test_tab_4"));
AddTab(tab_strip_model(), GURL("test_tab_5"));
EXPECT_EQ(iphController.get_recent_tabs_size(), 2);
}
TEST_F(SplitViewIphControllerTest, SelectingDifferentTabs) {
SplitViewIphController iphController{browser_window_interface()};
AddTab(tab_strip_model(), GURL("test_tab_1"));
AddTab(tab_strip_model(), GURL("test_tab_2"));
EXPECT_EQ(iphController.get_recent_tabs_size(), 2);
AddTab(tab_strip_model(), GURL("test_tab_3"));
AddTab(tab_strip_model(), GURL("test_tab_4"));
AddTab(tab_strip_model(), GURL("test_tab_5"));
EXPECT_EQ(iphController.get_recent_tabs_size(), 2);
// First two tab switches will be a new set of tabs, so tab_switch_count will
// not be incremented.
tab_strip_model()->SelectTabAt(0);
tab_strip_model()->SelectTabAt(1);
tab_strip_model()->SelectTabAt(0);
tab_strip_model()->SelectTabAt(1);
tab_strip_model()->SelectTabAt(0);
tab_strip_model()->SelectTabAt(1);
EXPECT_EQ(iphController.get_tab_switch_count(), 4);
}
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