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// Copyright 2018 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/complex_tasks/task_tab_helper.h"
#include <string>
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "components/sessions/content/navigation_task_id.h"
#include "content/public/test/navigation_simulator.h"
#include "content/public/test/web_contents_tester.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
class MockTaskTabHelper : public tasks::TaskTabHelper {
public:
static void CreateForWebContents(content::WebContents* contents) {
DCHECK(contents);
if (!FromWebContents(contents))
contents->SetUserData(UserDataKey(),
base::WrapUnique(new MockTaskTabHelper(contents)));
}
static MockTaskTabHelper* FromWebContents(content::WebContents* contents) {
DCHECK(contents);
return static_cast<MockTaskTabHelper*>(
contents->GetUserData(UserDataKey()));
}
explicit MockTaskTabHelper(content::WebContents* web_contents)
: tasks::TaskTabHelper(web_contents) {}
friend class TaskTabHelperUnitTest;
};
class TaskTabHelperUnitTest : public ChromeRenderViewHostTestHarness {
protected:
const std::string kSearchDomain = "http://www.google.com/";
const GURL kSearchURL = GURL(kSearchDomain);
void SetUp() override {
ChromeRenderViewHostTestHarness::SetUp();
MockTaskTabHelper::CreateForWebContents(web_contents());
task_tab_helper_ = MockTaskTabHelper::FromWebContents(web_contents());
NavigateAndCommit(kSearchURL);
}
void GoBack() { content::NavigationSimulator::GoBack(web_contents()); }
void GoBackNTimes(int times) {
while (times--) {
GoBack();
}
}
void NavigateAndCommitNTimes(int times) {
while (times--) {
static int unique_int = 0;
// Note: The URLs need to be different on each iteration. Otherwise,
// navigations will be treated as reloads and will not create a new
// NavigationEntry.
NavigateAndCommit(
GURL(kSearchDomain + base::NumberToString(++unique_int)));
}
}
content::NavigationEntry* GetLastCommittedEntry() {
return web_contents()->GetController().GetLastCommittedEntry();
}
raw_ptr<MockTaskTabHelper, DanglingUntriaged> task_tab_helper_;
};
TEST_F(TaskTabHelperUnitTest, TestGetCurrentTaskId) {
std::unique_ptr<content::WebContents> test_parent_web_contents(
content::WebContentsTester::CreateTestWebContents(
web_contents()->GetBrowserContext(), nullptr));
GURL parent_gurl("http://parent.com");
content::WebContentsTester::For(test_parent_web_contents.get())
->NavigateAndCommit(parent_gurl);
content::NavigationEntry* navigation_entry =
test_parent_web_contents->GetController().GetLastCommittedEntry();
sessions::NavigationTaskId* navigation_task_id =
sessions::NavigationTaskId::Get(navigation_entry);
navigation_task_id->set_id(3);
navigation_task_id->set_root_id(4);
EXPECT_EQ(
tasks::TaskTabHelper::GetCurrentTaskId(test_parent_web_contents.get())
->id(),
3);
EXPECT_EQ(
tasks::TaskTabHelper::GetCurrentTaskId(test_parent_web_contents.get())
->root_id(),
4);
}
TEST_F(TaskTabHelperUnitTest, TestTaskIdExistingChain) {
NavigateAndCommit(GURL("http://a.com"));
sessions::NavigationTaskId a_navigation_task_id =
*sessions::NavigationTaskId::Get(GetLastCommittedEntry());
NavigateAndCommit(GURL("http://b.com"));
sessions::NavigationTaskId b_navigation_task_id =
*sessions::NavigationTaskId::Get(GetLastCommittedEntry());
EXPECT_EQ(b_navigation_task_id.parent_id(), a_navigation_task_id.id());
EXPECT_EQ(a_navigation_task_id.root_id(), b_navigation_task_id.root_id());
}
TEST_F(TaskTabHelperUnitTest, TestTaskIdNewChain) {
NavigateAndCommit(GURL("http://a.com"));
sessions::NavigationTaskId a_navigation_task_id =
*sessions::NavigationTaskId::Get(GetLastCommittedEntry());
NavigateAndCommit(GURL("http://b.com"), ui::PAGE_TRANSITION_TYPED);
sessions::NavigationTaskId b_navigation_task_id =
*sessions::NavigationTaskId::Get(GetLastCommittedEntry());
EXPECT_EQ(b_navigation_task_id.parent_id(), -1);
EXPECT_NE(a_navigation_task_id.root_id(), b_navigation_task_id.root_id());
}
TEST_F(TaskTabHelperUnitTest, TestTaskIdBackButton) {
NavigateAndCommit(GURL("http://a.com"), ui::PAGE_TRANSITION_TYPED);
NavigateAndCommit(GURL("http://b.com"));
sessions::NavigationTaskId b_navigation_task_id =
*sessions::NavigationTaskId::Get(GetLastCommittedEntry());
GoBack();
sessions::NavigationTaskId a_navigation_task_id =
*sessions::NavigationTaskId::Get(GetLastCommittedEntry());
// A should still have no parent after a back navigation and
// shouldn't link to B (like it would if we navigated a.com -> b.com -> a.com
// via clicking links)
EXPECT_EQ(a_navigation_task_id.parent_id(), -1);
EXPECT_NE(a_navigation_task_id.parent_id(), b_navigation_task_id.id());
}
TEST_F(TaskTabHelperUnitTest, TestTaskIdBackViaLink) {
NavigateAndCommit(GURL("http://a.com"), ui::PAGE_TRANSITION_TYPED);
NavigateAndCommit(GURL("http://b.com"));
sessions::NavigationTaskId b_navigation_task_id =
*sessions::NavigationTaskId::Get(GetLastCommittedEntry());
NavigateAndCommit(GURL("http://a.com"));
sessions::NavigationTaskId a_navigation_task_id =
*sessions::NavigationTaskId::Get(GetLastCommittedEntry());
// We got back to a.com via a link (not back button) so it should now point to
// B.
EXPECT_NE(a_navigation_task_id.parent_id(), -1);
EXPECT_EQ(a_navigation_task_id.parent_id(), b_navigation_task_id.id());
}
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