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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/webapps/browser/web_contents/web_app_url_loader.h"
#include <memory>
#include <optional>
#include "base/location.h"
#include "base/memory/ptr_util.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/bind.h"
#include "base/test/test_future.h"
#include "content/public/test/test_renderer_host.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/web_contents_tester.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace webapps {
class WebAppUrlLoaderTest : public content::RenderViewHostTestHarness {
public:
void SetUp() override {
content::RenderViewHostTestHarness::SetUp();
loader_ = std::make_unique<WebAppUrlLoader>();
}
void TearDown() override {
loader_.reset();
content::RenderViewHostTestHarness::TearDown();
}
content::WebContentsTester& web_contents_tester() {
// RenderViewHostTestHarness always contains TestWebContents. See comments
// in web_contents_tester.h.
content::WebContentsTester* web_contents_tester =
content::WebContentsTester::For(web_contents());
DCHECK(web_contents_tester);
return *web_contents_tester;
}
WebAppUrlLoader& loader() {
DCHECK(loader_);
return *loader_;
}
WebAppUrlLoader::Result LoadUrl(
const GURL& desired,
const GURL& actual,
std::optional<int> error_code = std::nullopt) {
base::test::TestFuture<WebAppUrlLoader::Result> result;
loader().LoadUrl(desired, web_contents(),
WebAppUrlLoader::UrlComparison::kExact,
result.GetCallback());
web_contents_tester().TestDidFinishLoad(GURL{url::kAboutBlankURL});
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindLambdaForTesting([&]() {
if (error_code) {
web_contents_tester().TestDidFailLoadWithError(actual,
error_code.value());
} else {
web_contents_tester().TestDidFinishLoad(actual);
}
}));
return result.Get();
}
private:
std::unique_ptr<WebAppUrlLoader> loader_;
};
TEST_F(WebAppUrlLoaderTest, Url1Redirected_ThenUrl2Loaded) {
const GURL url1{"https://example.com"};
const GURL url2{"https://example.org"};
EXPECT_EQ(WebAppUrlLoader::Result::kRedirectedUrlLoaded,
LoadUrl(/*desired=*/url1, /*actual=*/url2));
EXPECT_EQ(WebAppUrlLoader::Result::kUrlLoaded,
LoadUrl(/*desired=*/url2, /*actual=*/url2));
}
TEST_F(WebAppUrlLoaderTest, Url1DidFailLoad_ThenUrl2Loaded) {
const GURL url1{"https://example.com"};
const GURL url2{"https://example.org"};
EXPECT_EQ(WebAppUrlLoader::Result::kFailedUnknownReason,
LoadUrl(/*desired=*/url1, /*actual=*/url1, /*error_code=*/1));
EXPECT_EQ(WebAppUrlLoader::Result::kUrlLoaded,
LoadUrl(/*desired=*/url2, /*actual=*/url2));
}
TEST_F(WebAppUrlLoaderTest, PrepareForLoad_ExcessiveDidFinishLoad) {
const GURL url1{"https://example.com"};
const GURL url2{"https://example.org"};
// Expect successful navigation to url1.
EXPECT_EQ(WebAppUrlLoader::Result::kUrlLoaded,
LoadUrl(/*desired=*/url1, /*actual=*/url1));
base::test::TestFuture<WebAppUrlLoader::Result> result;
loader().LoadUrl(url2, web_contents(), WebAppUrlLoader::UrlComparison::kExact,
result.GetCallback());
// Simulate an excessive DidFinishLoad for url1 caused by active javascript
// while in PrepareForLoad state. PrepareForLoad() acts as a barrier here:
// it's flushing all url1-related noisy events so url2 loading will start
// clean later.
web_contents_tester().TestDidFinishLoad(url1);
web_contents_tester().TestDidFinishLoad(GURL{url::kAboutBlankURL});
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindLambdaForTesting(
[&]() { web_contents_tester().TestDidFinishLoad(url2); }));
ASSERT_TRUE(result.Wait());
// Expect successful navigation to url2.
EXPECT_EQ(WebAppUrlLoader::Result::kUrlLoaded, result.Get());
}
TEST_F(WebAppUrlLoaderTest, PrepareForLoad_ExcessiveDidFailLoad) {
const GURL url1{"https://example.com"};
const GURL url2{"https://example.org"};
// Expect successful navigation to url1.
EXPECT_EQ(WebAppUrlLoader::Result::kUrlLoaded,
LoadUrl(/*desired=*/url1, /*actual=*/url1));
base::test::TestFuture<WebAppUrlLoader::Result> result;
loader().LoadUrl(url2, web_contents(), WebAppUrlLoader::UrlComparison::kExact,
result.GetCallback());
// Simulate an excessive DidFailLoad for url1 caused by active javascript
// while in PrepareForLoad state. PrepareForLoad() acts as a barrier here:
// it's flushing all url1-related noisy events so url2 loading will start
// clean later.
web_contents_tester().TestDidFailLoadWithError(url1, /*error_code=*/1);
web_contents_tester().TestDidFinishLoad(GURL{url::kAboutBlankURL});
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindLambdaForTesting(
[&]() { web_contents_tester().TestDidFinishLoad(url2); }));
ASSERT_TRUE(result.Wait());
// Expect successful navigation to url2.
EXPECT_EQ(WebAppUrlLoader::Result::kUrlLoaded, result.Get());
}
} // namespace web_app
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