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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/safety_check/update_check_helper.h"
#include <memory>
#include "components/safety_check/url_constants.h"
#include "content/public/test/browser_task_environment.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "services/network/public/cpp/weak_wrapper_shared_url_loader_factory.h"
#include "services/network/test/test_url_loader_factory.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace safety_check {
class UpdateCheckHelperTest : public testing::Test {
public:
UpdateCheckHelperTest()
: task_environment_(base::test::TaskEnvironment::TimeSource::MOCK_TIME),
shared_url_loader_factory_(
base::MakeRefCounted<network::WeakWrapperSharedURLLoaderFactory>(
&test_url_loader_factory_)) {
update_helper_ =
std::make_unique<UpdateCheckHelper>(shared_url_loader_factory_);
}
void SetExpectedResult(bool connected) { expected_ = connected; }
void VerifyResult(bool connected) {
EXPECT_EQ(expected_, connected);
callback_invoked_ = true;
}
void VerifyCallbackInvoked(bool expected = true) {
EXPECT_EQ(expected, callback_invoked_);
}
void ResetCallbackInvoked() { callback_invoked_ = false; }
protected:
content::BrowserTaskEnvironment task_environment_;
std::unique_ptr<UpdateCheckHelper> update_helper_;
network::TestURLLoaderFactory test_url_loader_factory_;
scoped_refptr<network::SharedURLLoaderFactory> shared_url_loader_factory_;
private:
bool expected_ = true;
bool callback_invoked_ = false;
};
TEST_F(UpdateCheckHelperTest, ConnectionSuccessful) {
SetExpectedResult(true);
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
EXPECT_TRUE(test_url_loader_factory_.SimulateResponseForPendingRequest(
kConnectivityCheckUrl, /*content=*/"", net::HTTP_NO_CONTENT));
VerifyCallbackInvoked();
}
TEST_F(UpdateCheckHelperTest, WrongHTTPCode) {
SetExpectedResult(false);
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
EXPECT_TRUE(test_url_loader_factory_.SimulateResponseForPendingRequest(
kConnectivityCheckUrl, /*content=*/"", net::HTTP_BAD_REQUEST));
VerifyCallbackInvoked();
}
TEST_F(UpdateCheckHelperTest, TimeoutExceeded) {
SetExpectedResult(false);
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
task_environment_.FastForwardBy(base::Seconds(6));
// Request should timeout after 5 seconds.
EXPECT_EQ(0, test_url_loader_factory_.NumPending());
VerifyCallbackInvoked();
}
TEST_F(UpdateCheckHelperTest, Retry) {
SetExpectedResult(true);
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
EXPECT_TRUE(test_url_loader_factory_.SimulateResponseForPendingRequest(
kConnectivityCheckUrl, /*content=*/"", net::HTTP_INTERNAL_SERVER_ERROR));
// Should be retried on HTTP 500.
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
EXPECT_TRUE(test_url_loader_factory_.SimulateResponseForPendingRequest(
kConnectivityCheckUrl, /*content=*/"", net::HTTP_NO_CONTENT));
EXPECT_EQ(0, test_url_loader_factory_.NumPending());
VerifyCallbackInvoked();
}
TEST_F(UpdateCheckHelperTest, MultipleConnectivityChecks_AtOnce) {
SetExpectedResult(true);
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
task_environment_.FastForwardBy(base::Seconds(1));
// Start another check 1 second later.
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
// Still only one request as the old one is replaced.
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
// Respond to the request.
EXPECT_TRUE(test_url_loader_factory_.SimulateResponseForPendingRequest(
kConnectivityCheckUrl, /*content=*/"", net::HTTP_NO_CONTENT));
EXPECT_EQ(0, test_url_loader_factory_.NumPending());
VerifyCallbackInvoked();
}
TEST_F(UpdateCheckHelperTest, MultipleConnectivityChecks_Sequential) {
SetExpectedResult(false);
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
// Request should timeout after 5 seconds.
EXPECT_TRUE(test_url_loader_factory_.SimulateResponseForPendingRequest(
kConnectivityCheckUrl, /*content=*/"", net::HTTP_BAD_REQUEST));
EXPECT_EQ(0, test_url_loader_factory_.NumPending());
VerifyCallbackInvoked();
// Another check after 10 seconds - this time successful.
ResetCallbackInvoked();
task_environment_.FastForwardBy(base::Seconds(10));
SetExpectedResult(true);
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
EXPECT_TRUE(test_url_loader_factory_.SimulateResponseForPendingRequest(
kConnectivityCheckUrl, /*content=*/"", net::HTTP_NO_CONTENT));
VerifyCallbackInvoked();
}
TEST_F(UpdateCheckHelperTest, DestroyedWhenPending) {
update_helper_->CheckConnectivity(base::BindOnce(
&UpdateCheckHelperTest::VerifyResult, base::Unretained(this)));
EXPECT_EQ(1, test_url_loader_factory_.NumPending());
update_helper_.reset();
// Request canceled on destruction.
EXPECT_EQ(0, test_url_loader_factory_.NumPending());
VerifyCallbackInvoked(false);
}
} // namespace safety_check
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