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// Copyright 2022 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/preloading/preconnector.h"
#include "content/public/browser/anchor_element_preconnect_delegate.h"
#include "content/public/common/content_client.h"
#include "content/public/test/test_browser_context.h"
#include "content/public/test/test_renderer_host.h"
#include "content/test/test_content_browser_client.h"
#include "content/test/test_web_contents.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
class MockAnchorElementPreconnector : public AnchorElementPreconnectDelegate {
public:
explicit MockAnchorElementPreconnector(RenderFrameHost& render_frame_host) {}
~MockAnchorElementPreconnector() override = default;
void MaybePreconnect(const GURL& target) override { target_ = target; }
std::optional<GURL>& Target() { return target_; }
base::WeakPtr<MockAnchorElementPreconnector> AsWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
private:
std::optional<GURL> target_;
base::WeakPtrFactory<MockAnchorElementPreconnector> weak_ptr_factory_{this};
};
class MockContentBrowserClient : public TestContentBrowserClient {
public:
MockContentBrowserClient() {
old_browser_client_ = SetBrowserClientForTesting(this);
}
~MockContentBrowserClient() override {
EXPECT_EQ(this, SetBrowserClientForTesting(old_browser_client_));
}
std::unique_ptr<AnchorElementPreconnectDelegate>
CreateAnchorElementPreconnectDelegate(
RenderFrameHost& render_frame_host) override {
auto delegate =
std::make_unique<MockAnchorElementPreconnector>(render_frame_host);
delegate_ = delegate->AsWeakPtr();
return delegate;
}
base::WeakPtr<MockAnchorElementPreconnector> GetDelegate() {
return delegate_;
}
private:
raw_ptr<ContentBrowserClient> old_browser_client_ = nullptr;
base::WeakPtr<MockAnchorElementPreconnector> delegate_;
};
class PreconnectorTest : public RenderViewHostTestHarness {
public:
PreconnectorTest() = default;
void SetUp() override {
RenderViewHostTestHarness::SetUp();
browser_context_ = std::make_unique<TestBrowserContext>();
web_contents_ = TestWebContents::Create(
browser_context_.get(),
SiteInstanceImpl::Create(browser_context_.get()));
web_contents_->NavigateAndCommit(GURL("https://example.com"));
}
void TearDown() override {
web_contents_.reset();
browser_context_.reset();
RenderViewHostTestHarness::TearDown();
}
RenderFrameHostImpl& GetPrimaryMainFrame() {
return web_contents_->GetPrimaryPage().GetMainDocument();
}
private:
std::unique_ptr<TestBrowserContext> browser_context_;
std::unique_ptr<TestWebContents> web_contents_;
};
TEST_F(PreconnectorTest, MaybePreconnect) {
MockContentBrowserClient browser_client;
auto preconnector = Preconnector(GetPrimaryMainFrame());
base::WeakPtr<MockAnchorElementPreconnector> delegate =
browser_client.GetDelegate();
ASSERT_TRUE(delegate);
const auto url = GURL("https://example.com/page1");
preconnector.MaybePreconnect(url);
EXPECT_TRUE(delegate->Target().has_value());
EXPECT_EQ(url, delegate->Target().value());
}
} // namespace
} // namespace content
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