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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/tabs/tab_model.h"
#include <memory>
#include "base/test/mock_callback.h"
#include "chrome/browser/sessions/session_tab_helper_factory.h"
#include "chrome/browser/ui/tabs/tab_enums.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/testing_profile.h"
#include "components/sessions/content/session_tab_helper.h"
#include "components/sessions/core/session_id.h"
#include "components/tabs/public/tab_handle_factory.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"
#include "testing/gtest/include/gtest/gtest.h"
namespace tabs {
class TabModelTest : public testing::Test {
public:
TabModelTest() = default;
TabModelTest(const TabModelTest&) = delete;
TabModelTest& operator=(const TabModelTest&) = delete;
~TabModelTest() override = default;
TestingProfile* profile() { return &profile_; }
void AppendTab(TabStripModel& tab_strip_model) {
tab_strip_model.AppendTab(
std::make_unique<tabs::TabModel>(
content::WebContentsTester::CreateTestWebContents(profile(),
nullptr),
&tab_strip_model),
/*foreground=*/true);
}
private:
content::BrowserTaskEnvironment task_environment_;
content::RenderViewHostTestEnabler rvh_test_enabler_;
TestingProfile profile_;
const tabs::TabModel::PreventFeatureInitializationForTesting prevent_;
};
TEST_F(TabModelTest, TabModelDidInsert) {
// Create a source tab strip.
TestTabStripModelDelegate delegate;
TabStripModel tab_strip_src(&delegate, profile());
AppendTab(tab_strip_src);
AppendTab(tab_strip_src);
// Detach the first tab.
std::unique_ptr<TabModel> tab_model =
tab_strip_src.DetachTabAtForInsertion(0);
// Assert the subscription is notified when the detached tab is inserted into
// a new tab strip.
TabStripModel tab_strip_dst(&delegate, profile());
base::MockCallback<TabInterface::DidInsertCallback> did_insert_callback;
EXPECT_CALL(did_insert_callback, Run).Times(1);
base::CallbackListSubscription subscription =
tab_model->RegisterDidInsert(did_insert_callback.Get());
tab_strip_dst.InsertDetachedTabAt(0, std::move(tab_model),
AddTabTypes::ADD_NONE);
testing::Mock::VerifyAndClearExpectations(&did_insert_callback);
// Assert the subscription is notified again when the detached tab is
// re-inserted into its original tab strip.
tab_model = tab_strip_dst.DetachTabAtForInsertion(0);
EXPECT_CALL(did_insert_callback, Run).Times(1);
tab_strip_src.InsertDetachedTabAt(0, std::move(tab_model),
AddTabTypes::ADD_NONE);
}
TEST_F(TabModelTest, IsSelected) {
// Create a source tab strip.
TestTabStripModelDelegate delegate;
TabStripModel tab_strip(&delegate, profile());
AppendTab(tab_strip);
AppendTab(tab_strip);
// Right now, the second tab should be selected.
tabs::TabInterface* tab0 = tab_strip.GetTabAtIndex(0);
tabs::TabInterface* tab1 = tab_strip.GetTabAtIndex(1);
EXPECT_FALSE(tab0->IsSelected());
EXPECT_TRUE(tab1->IsSelected());
// Select both the first tab, too.
tab_strip.SelectTabAt(0);
EXPECT_TRUE(tab0->IsSelected());
EXPECT_TRUE(tab1->IsSelected());
// Deselect the second tab.
tab_strip.DeselectTabAt(1);
EXPECT_TRUE(tab0->IsSelected());
EXPECT_FALSE(tab1->IsSelected());
}
TEST_F(TabModelTest, HandleAndSessionIdAreMapped) {
TestTabStripModelDelegate delegate;
TabStripModel tab_strip(&delegate, profile());
AppendTab(tab_strip);
tabs::TabModel* tab_model =
static_cast<tabs::TabModel*>(tab_strip.GetTabAtIndex(0));
// The handle should be valid.
EXPECT_NE(tab_model->GetHandle().raw_value(), tabs::TabHandle::NullValue);
// The factory should be able to map the handle back to the session ID.
auto* factory = &tabs::SessionMappedTabHandleFactory::GetInstance();
sessions::SessionTabHelper* session_tab_helper =
sessions::SessionTabHelper::FromWebContents(tab_model->GetContents());
EXPECT_EQ(session_tab_helper->session_id().id(),
factory->GetSessionIdForHandle(tab_model->GetHandle().raw_value()));
}
TEST_F(TabModelTest, DiscardContentsUpdatesSessionIdMapping) {
TestTabStripModelDelegate delegate;
TabStripModel tab_strip(&delegate, profile());
AppendTab(tab_strip);
tabs::TabModel* tab_model =
static_cast<tabs::TabModel*>(tab_strip.GetTabAtIndex(0));
auto* factory = &tabs::SessionMappedTabHandleFactory::GetInstance();
const int32_t original_session_id =
sessions::SessionTabHelper::FromWebContents(tab_model->GetContents())
->session_id()
.id();
EXPECT_EQ(original_session_id,
factory->GetSessionIdForHandle(tab_model->GetHandle().raw_value()));
// Discard the contents and replace it with a new WebContents.
std::unique_ptr<content::WebContents> new_contents =
content::WebContentsTester::CreateTestWebContents(profile(), nullptr);
CreateSessionServiceTabHelper(new_contents.get());
const int32_t new_session_id =
sessions::SessionTabHelper::FromWebContents(new_contents.get())
->session_id()
.id();
ASSERT_NE(original_session_id, new_session_id);
tab_model->DiscardContents(std::move(new_contents));
EXPECT_EQ(new_session_id,
factory->GetSessionIdForHandle(tab_model->GetHandle().raw_value()));
EXPECT_EQ(tab_model->GetHandle().raw_value(),
factory->GetHandleForSessionId(new_session_id));
EXPECT_EQ(TabHandle::Null().raw_value(),
factory->GetHandleForSessionId(original_session_id));
}
} // namespace tabs
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