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clio/tests/unit/web/ng/RPCServerHandlerTests.cpp

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//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2024, the clio developers.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include "rpc/Errors.hpp"
#include "rpc/common/Types.hpp"
#include "util/AsioContextTestFixture.hpp"
#include "util/MockBackendTestFixture.hpp"
#include "util/MockETLService.hpp"
#include "util/MockPrometheus.hpp"
#include "util/MockRPCEngine.hpp"
#include "util/Taggable.hpp"
#include "util/config/Config.hpp"
#include "util/newconfig/ConfigDefinition.hpp"
#include "util/newconfig/ConfigValue.hpp"
#include "util/newconfig/Types.hpp"
#include "web/SubscriptionContextInterface.hpp"
#include "web/ng/MockConnection.hpp"
#include "web/ng/RPCServerHandler.hpp"
#include "web/ng/Request.hpp"
#include <boost/asio/spawn.hpp>
#include <boost/beast/http/message.hpp>
#include <boost/beast/http/status.hpp>
#include <boost/beast/http/string_body.hpp>
#include <boost/beast/http/verb.hpp>
#include <boost/json/object.hpp>
#include <boost/json/parse.hpp>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <algorithm>
#include <cstdint>
#include <iterator>
#include <memory>
#include <stdexcept>
#include <string>
#include <string_view>
#include <unordered_set>
#include <utility>
using namespace web::ng;
using testing::Return;
using testing::StrictMock;
using namespace util::config;
namespace http = boost::beast::http;
struct ng_RPCServerHandlerTest : util::prometheus::WithPrometheus, MockBackendTestStrict, SyncAsioContextTest {
ClioConfigDefinition config{ClioConfigDefinition{
{"log_tag_style", ConfigValue{ConfigType::String}.defaultValue("uint")},
{"api_version.min", ConfigValue{ConfigType::Integer}.defaultValue(1)},
{"api_version.max", ConfigValue{ConfigType::Integer}.defaultValue(2)},
{"api_version.default", ConfigValue{ConfigType::Integer}.defaultValue(1)}
}};
std::shared_ptr<testing::StrictMock<MockRPCEngine>> rpcEngine_ =
std::make_shared<testing::StrictMock<MockRPCEngine>>();
std::shared_ptr<StrictMock<MockETLService>> etl_ = std::make_shared<StrictMock<MockETLService>>();
RPCServerHandler<MockRPCEngine, MockETLService> rpcServerHandler_{config, backend, rpcEngine_, etl_};
util::TagDecoratorFactory tagFactory_{config};
StrictMockConnectionMetadata connectionMetadata_{"some ip", tagFactory_};
static Request
makeHttpRequest(std::string_view body)
{
return Request{http::request<http::string_body>{http::verb::post, "/", 11, body}};
}
};
TEST_F(ng_RPCServerHandlerTest, PostToRpcEngineFailed)
{
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest("some message");
EXPECT_CALL(*rpcEngine_, post).WillOnce(Return(false));
EXPECT_CALL(*rpcEngine_, notifyTooBusy());
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
EXPECT_EQ(std::move(response).intoHttpResponse().result(), http::status::service_unavailable);
});
}
TEST_F(ng_RPCServerHandlerTest, CoroutineSleepsUntilRpcEngineFinishes)
{
StrictMock<testing::MockFunction<void()>> rpcServerHandlerDone;
StrictMock<testing::MockFunction<void()>> rpcEngineDone;
testing::Expectation const expectedRpcEngineDone = EXPECT_CALL(rpcEngineDone, Call);
EXPECT_CALL(rpcServerHandlerDone, Call).After(expectedRpcEngineDone);
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest("some message");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
boost::asio::spawn(
ctx,
[this, &rpcEngineDone, fn = std::forward<decltype(fn)>(fn)](boost::asio::yield_context yield) {
EXPECT_CALL(*rpcEngine_, notifyBadSyntax);
fn(yield);
rpcEngineDone.Call();
}
);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
rpcServerHandlerDone.Call();
EXPECT_EQ(std::move(response).intoHttpResponse().result(), http::status::bad_request);
});
}
TEST_F(ng_RPCServerHandlerTest, JsonParseFailed)
{
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest("not a json");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(*rpcEngine_, notifyBadSyntax);
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
EXPECT_EQ(std::move(response).intoHttpResponse().result(), http::status::bad_request);
});
}
TEST_F(ng_RPCServerHandlerTest, GotNotJsonObject)
{
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest("[]");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(*rpcEngine_, notifyBadSyntax);
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
EXPECT_EQ(std::move(response).intoHttpResponse().result(), http::status::bad_request);
});
}
TEST_F(ng_RPCServerHandlerTest, HandleRequest_NoRangeFromBackend)
{
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest("{}");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillOnce(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, notifyNotReady);
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
auto const httpResponse = std::move(response).intoHttpResponse();
EXPECT_EQ(httpResponse.result(), http::status::ok);
auto const jsonResponse = boost::json::parse(httpResponse.body()).as_object();
EXPECT_EQ(jsonResponse.at("result").at("error").as_string(), "notReady");
});
}
TEST_F(ng_RPCServerHandlerTest, HandleRequest_ContextCreationFailed)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest("{}");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, notifyBadSyntax);
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
auto const httpResponse = std::move(response).intoHttpResponse();
EXPECT_EQ(httpResponse.result(), http::status::bad_request);
EXPECT_EQ(httpResponse.body(), "Null method");
});
}
TEST_F(ng_RPCServerHandlerTest, HandleRequest_BuildResponseFailed)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest(R"json({"method":"some_method"})json");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, buildResponse)
.WillOnce(Return(rpc::Result{rpc::Status{rpc::ClioError::rpcUNKNOWN_OPTION}}));
EXPECT_CALL(*etl_, lastCloseAgeSeconds).WillOnce(Return(1));
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
auto const httpResponse = std::move(response).intoHttpResponse();
EXPECT_EQ(httpResponse.result(), http::status::ok);
auto const jsonResponse = boost::json::parse(httpResponse.body()).as_object();
EXPECT_EQ(jsonResponse.at("result").at("error").as_string(), "unknownOption");
ASSERT_EQ(jsonResponse.at("warnings").as_array().size(), 1);
EXPECT_EQ(jsonResponse.at("warnings").as_array().at(0).as_object().at("id").as_int64(), rpc::warnRPC_CLIO);
});
}
TEST_F(ng_RPCServerHandlerTest, HandleRequest_BuildResponseThrewAnException)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest(R"json({"method":"some_method"})json");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, buildResponse).WillOnce([](auto&&) -> rpc::Result {
throw std::runtime_error("some error");
});
EXPECT_CALL(*rpcEngine_, notifyInternalError);
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
auto const httpResponse = std::move(response).intoHttpResponse();
EXPECT_EQ(httpResponse.result(), http::status::internal_server_error);
});
}
TEST_F(ng_RPCServerHandlerTest, HandleRequest_Successful_HttpRequest)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest(R"json({"method":"some_method"})json");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, buildResponse)
.WillOnce(Return(rpc::Result{rpc::ReturnType{boost::json::object{{"some key", "some value"}}}}));
EXPECT_CALL(*rpcEngine_, notifyComplete);
EXPECT_CALL(*etl_, lastCloseAgeSeconds).WillOnce(Return(1));
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
auto const httpResponse = std::move(response).intoHttpResponse();
EXPECT_EQ(httpResponse.result(), http::status::ok);
auto const jsonResponse = boost::json::parse(httpResponse.body()).as_object();
EXPECT_EQ(jsonResponse.at("result").at("some key").as_string(), "some value");
EXPECT_EQ(jsonResponse.at("result").at("status").as_string(), "success");
ASSERT_EQ(jsonResponse.at("warnings").as_array().size(), 1) << jsonResponse;
EXPECT_EQ(jsonResponse.at("warnings").as_array().at(0).as_object().at("id").as_int64(), rpc::warnRPC_CLIO);
});
}
TEST_F(ng_RPCServerHandlerTest, HandleRequest_OutdatedWarning)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest(R"json({"method":"some_method"})json");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, buildResponse)
.WillOnce(Return(rpc::Result{rpc::ReturnType{boost::json::object{{"some key", "some value"}}}}));
EXPECT_CALL(*rpcEngine_, notifyComplete);
EXPECT_CALL(*etl_, lastCloseAgeSeconds).WillOnce(Return(61));
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
auto const httpResponse = std::move(response).intoHttpResponse();
EXPECT_EQ(httpResponse.result(), http::status::ok);
auto const jsonResponse = boost::json::parse(httpResponse.body()).as_object();
std::unordered_set<int64_t> warningCodes;
std::ranges::transform(
jsonResponse.at("warnings").as_array(),
std::inserter(warningCodes, warningCodes.end()),
[](auto const& w) { return w.as_object().at("id").as_int64(); }
);
EXPECT_EQ(warningCodes.size(), 2);
EXPECT_TRUE(warningCodes.contains(rpc::warnRPC_CLIO));
EXPECT_TRUE(warningCodes.contains(rpc::warnRPC_OUTDATED));
});
}
TEST_F(ng_RPCServerHandlerTest, HandleRequest_Successful_HttpRequest_Forwarded)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest(R"json({"method":"some_method"})json");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, buildResponse)
.WillOnce(Return(rpc::Result{rpc::ReturnType{boost::json::object{
{"result", boost::json::object{{"some key", "some value"}}}, {"forwarded", true}
}}}));
EXPECT_CALL(*rpcEngine_, notifyComplete);
EXPECT_CALL(*etl_, lastCloseAgeSeconds).WillOnce(Return(1));
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
auto const httpResponse = std::move(response).intoHttpResponse();
EXPECT_EQ(httpResponse.result(), http::status::ok);
auto const jsonResponse = boost::json::parse(httpResponse.body()).as_object();
EXPECT_EQ(jsonResponse.at("result").at("some key").as_string(), "some value");
EXPECT_EQ(jsonResponse.at("result").at("status").as_string(), "success");
EXPECT_EQ(jsonResponse.at("forwarded").as_bool(), true);
ASSERT_EQ(jsonResponse.at("warnings").as_array().size(), 1) << jsonResponse;
EXPECT_EQ(jsonResponse.at("warnings").as_array().at(0).as_object().at("id").as_int64(), rpc::warnRPC_CLIO);
});
}
TEST_F(ng_RPCServerHandlerTest, HandleRequest_Successful_HttpRequest_HasError)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
auto const request = makeHttpRequest(R"json({"method":"some_method"})json");
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, buildResponse)
.WillOnce(Return(rpc::Result{
rpc::ReturnType{boost::json::object{{"some key", "some value"}, {"error", "some error"}}}
}));
EXPECT_CALL(*rpcEngine_, notifyComplete);
EXPECT_CALL(*etl_, lastCloseAgeSeconds).WillOnce(Return(1));
fn(yield);
return true;
});
auto response = rpcServerHandler_(request, connectionMetadata_, nullptr, yield);
auto const httpResponse = std::move(response).intoHttpResponse();
EXPECT_EQ(httpResponse.result(), http::status::ok);
auto const jsonResponse = boost::json::parse(httpResponse.body()).as_object();
EXPECT_EQ(jsonResponse.at("result").at("some key").as_string(), "some value");
EXPECT_EQ(jsonResponse.at("result").at("error").as_string(), "some error");
ASSERT_EQ(jsonResponse.at("warnings").as_array().size(), 1) << jsonResponse;
EXPECT_EQ(jsonResponse.at("warnings").as_array().at(0).as_object().at("id").as_int64(), rpc::warnRPC_CLIO);
});
}
struct ng_RPCServerHandlerWsTest : ng_RPCServerHandlerTest {
struct MockSubscriptionContext : web::SubscriptionContextInterface {
using web::SubscriptionContextInterface::SubscriptionContextInterface;
MOCK_METHOD(void, send, (std::shared_ptr<std::string>), (override));
MOCK_METHOD(void, onDisconnect, (web::SubscriptionContextInterface::OnDisconnectSlot const&), (override));
MOCK_METHOD(void, setApiSubversion, (uint32_t), (override));
MOCK_METHOD(uint32_t, apiSubversion, (), (const, override));
};
using StrictMockSubscriptionContext = testing::StrictMock<MockSubscriptionContext>;
std::shared_ptr<StrictMockSubscriptionContext> subscriptionContext_ =
std::make_shared<StrictMockSubscriptionContext>(tagFactory_);
};
TEST_F(ng_RPCServerHandlerWsTest, HandleRequest_Successful_WsRequest)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
Request::HttpHeaders const headers;
auto const request = Request(R"json({"method":"some_method", "id": 1234, "api_version": 1})json", headers);
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, buildResponse)
.WillOnce(Return(rpc::Result{rpc::ReturnType{boost::json::object{{"some key", "some value"}}}}));
EXPECT_CALL(*rpcEngine_, notifyComplete);
EXPECT_CALL(*etl_, lastCloseAgeSeconds).WillOnce(Return(1));
fn(yield);
return true;
});
auto const response = rpcServerHandler_(request, connectionMetadata_, subscriptionContext_, yield);
auto const jsonResponse = boost::json::parse(response.message()).as_object();
EXPECT_EQ(jsonResponse.at("result").at("some key").as_string(), "some value");
EXPECT_EQ(jsonResponse.at("status").as_string(), "success");
EXPECT_EQ(jsonResponse.at("type").as_string(), "response");
EXPECT_EQ(jsonResponse.at("id").as_int64(), 1234);
EXPECT_EQ(jsonResponse.at("api_version").as_int64(), 1);
ASSERT_EQ(jsonResponse.at("warnings").as_array().size(), 1) << jsonResponse;
EXPECT_EQ(jsonResponse.at("warnings").as_array().at(0).as_object().at("id").as_int64(), rpc::warnRPC_CLIO);
});
}
TEST_F(ng_RPCServerHandlerWsTest, HandleRequest_Successful_WsRequest_HasError)
{
backend->setRange(0, 1);
runSpawn([&](boost::asio::yield_context yield) {
Request::HttpHeaders const headers;
auto const request = Request(R"json({"method":"some_method", "id": 1234, "api_version": 1})json", headers);
EXPECT_CALL(*rpcEngine_, post).WillOnce([&](auto&& fn, auto&&) {
EXPECT_CALL(connectionMetadata_, wasUpgraded).WillRepeatedly(Return(not request.isHttp()));
EXPECT_CALL(*rpcEngine_, buildResponse)
.WillOnce(Return(rpc::Result{
rpc::ReturnType{boost::json::object{{"some key", "some value"}, {"error", "some error"}}}
}));
EXPECT_CALL(*rpcEngine_, notifyComplete);
EXPECT_CALL(*etl_, lastCloseAgeSeconds).WillOnce(Return(1));
fn(yield);
return true;
});
auto const response = rpcServerHandler_(request, connectionMetadata_, subscriptionContext_, yield);
auto const jsonResponse = boost::json::parse(response.message()).as_object();
EXPECT_EQ(jsonResponse.at("result").at("some key").as_string(), "some value");
EXPECT_EQ(jsonResponse.at("result").at("error").as_string(), "some error");
EXPECT_EQ(jsonResponse.at("type").as_string(), "response");
EXPECT_EQ(jsonResponse.at("id").as_int64(), 1234);
EXPECT_EQ(jsonResponse.at("api_version").as_int64(), 1);
ASSERT_EQ(jsonResponse.at("warnings").as_array().size(), 1) << jsonResponse;
EXPECT_EQ(jsonResponse.at("warnings").as_array().at(0).as_object().at("id").as_int64(), rpc::warnRPC_CLIO);
});
}
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