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// Copyright Epic Games, Inc. All Rights Reserved.
#include <zenhttp/asynchttpclient.h>
#include <zenhttp/httpserver.h>
#if ZEN_WITH_TESTS
# include <zencore/iobuffer.h>
# include <zencore/logging.h>
# include <zencore/scopeguard.h>
# include <zencore/testing.h>
# include <zencore/testutils.h>
# include "servers/httpasio.h"
# include <atomic>
# include <thread>
ZEN_THIRD_PARTY_INCLUDES_START
# include <asio.hpp>
ZEN_THIRD_PARTY_INCLUDES_END
namespace zen {
using namespace std::literals;
//////////////////////////////////////////////////////////////////////////
// Reusable test service for async client tests
class AsyncHttpClientTestService : public HttpService
{
public:
AsyncHttpClientTestService()
{
m_Router.RegisterRoute(
"hello",
[](HttpRouterRequest& Req) { Req.ServerRequest().WriteResponse(HttpResponseCode::OK, HttpContentType::kText, "hello world"); },
HttpVerb::kGet);
m_Router.RegisterRoute(
"echo",
[](HttpRouterRequest& Req) {
HttpServerRequest& HttpReq = Req.ServerRequest();
IoBuffer Body = HttpReq.ReadPayload();
HttpContentType CT = HttpReq.RequestContentType();
HttpReq.WriteResponse(HttpResponseCode::OK, CT, Body);
},
HttpVerb::kPost | HttpVerb::kPut);
m_Router.RegisterRoute(
"echo/method",
[](HttpRouterRequest& Req) {
HttpServerRequest& HttpReq = Req.ServerRequest();
std::string_view Method = ToString(HttpReq.RequestVerb());
HttpReq.WriteResponse(HttpResponseCode::OK, HttpContentType::kText, Method);
},
HttpVerb::kGet | HttpVerb::kPost | HttpVerb::kPut | HttpVerb::kDelete | HttpVerb::kHead);
m_Router.RegisterRoute(
"nocontent",
[](HttpRouterRequest& Req) { Req.ServerRequest().WriteResponse(HttpResponseCode::NoContent); },
HttpVerb::kGet | HttpVerb::kPost | HttpVerb::kPut | HttpVerb::kDelete);
m_Router.RegisterRoute(
"json",
[](HttpRouterRequest& Req) {
Req.ServerRequest().WriteResponse(HttpResponseCode::OK, HttpContentType::kJSON, "{\"ok\":true}");
},
HttpVerb::kGet);
}
virtual const char* BaseUri() const override { return "/api/async-test/"; }
virtual void HandleRequest(HttpServerRequest& Request) override { m_Router.HandleRequest(Request); }
private:
HttpRequestRouter m_Router;
};
//////////////////////////////////////////////////////////////////////////
struct AsyncTestServerFixture
{
AsyncHttpClientTestService TestService;
ScopedTemporaryDirectory TmpDir;
Ref<HttpServer> Server;
std::thread ServerThread;
int Port = -1;
AsyncTestServerFixture()
{
Server = CreateHttpAsioServer(AsioConfig{});
Port = Server->Initialize(0, TmpDir.Path());
ZEN_ASSERT(Port != -1);
Server->RegisterService(TestService);
ServerThread = std::thread([this]() { Server->Run(false); });
}
~AsyncTestServerFixture()
{
Server->RequestExit();
if (ServerThread.joinable())
{
ServerThread.join();
}
Server->Close();
}
AsyncHttpClient MakeClient(HttpClientSettings Settings = {}) { return AsyncHttpClient(fmt::format("127.0.0.1:{}", Port), Settings); }
AsyncHttpClient MakeClient(asio::io_context& IoContext, HttpClientSettings Settings = {})
{
return AsyncHttpClient(fmt::format("127.0.0.1:{}", Port), IoContext, Settings);
}
};
//////////////////////////////////////////////////////////////////////////
// Tests
TEST_SUITE_BEGIN("http.asynchttpclient");
TEST_CASE("asynchttpclient.future.verbs")
{
AsyncTestServerFixture Fixture;
AsyncHttpClient Client = Fixture.MakeClient();
SUBCASE("GET returns 200 with expected body")
{
auto Future = Client.Get("/api/async-test/echo/method");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "GET");
}
SUBCASE("POST dispatches correctly")
{
auto Future = Client.Post("/api/async-test/echo/method");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "POST");
}
SUBCASE("PUT dispatches correctly")
{
auto Future = Client.Put("/api/async-test/echo/method");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "PUT");
}
SUBCASE("DELETE dispatches correctly")
{
auto Future = Client.Delete("/api/async-test/echo/method");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "DELETE");
}
SUBCASE("HEAD returns 200 with empty body")
{
auto Future = Client.Head("/api/async-test/echo/method");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), ""sv);
}
}
TEST_CASE("asynchttpclient.future.get")
{
AsyncTestServerFixture Fixture;
AsyncHttpClient Client = Fixture.MakeClient();
SUBCASE("simple GET with text response")
{
auto Future = Client.Get("/api/async-test/hello");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.StatusCode, HttpResponseCode::OK);
CHECK_EQ(Resp.AsText(), "hello world");
}
SUBCASE("GET returning JSON")
{
auto Future = Client.Get("/api/async-test/json");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "{\"ok\":true}");
}
SUBCASE("GET 204 NoContent")
{
auto Future = Client.Get("/api/async-test/nocontent");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.StatusCode, HttpResponseCode::NoContent);
}
}
TEST_CASE("asynchttpclient.future.post.with.payload")
{
AsyncTestServerFixture Fixture;
AsyncHttpClient Client = Fixture.MakeClient();
std::string_view PayloadStr = "async payload data";
IoBuffer Payload(IoBuffer::Clone, PayloadStr.data(), PayloadStr.size());
Payload.SetContentType(ZenContentType::kText);
auto Future = Client.Post("/api/async-test/echo", Payload);
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "async payload data");
}
TEST_CASE("asynchttpclient.future.put.with.payload")
{
AsyncTestServerFixture Fixture;
AsyncHttpClient Client = Fixture.MakeClient();
std::string_view PutStr = "put payload";
IoBuffer Payload(IoBuffer::Clone, PutStr.data(), PutStr.size());
Payload.SetContentType(ZenContentType::kText);
auto Future = Client.Put("/api/async-test/echo", Payload);
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "put payload");
}
TEST_CASE("asynchttpclient.callback")
{
AsyncTestServerFixture Fixture;
AsyncHttpClient Client = Fixture.MakeClient();
std::promise<HttpClient::Response> Promise;
auto Future = Promise.get_future();
Client.AsyncGet("/api/async-test/hello", [&Promise](HttpClient::Response Resp) { Promise.set_value(std::move(Resp)); });
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "hello world");
}
TEST_CASE("asynchttpclient.concurrent.requests")
{
AsyncTestServerFixture Fixture;
AsyncHttpClient Client = Fixture.MakeClient();
// Fire multiple requests concurrently
auto Future1 = Client.Get("/api/async-test/hello");
auto Future2 = Client.Get("/api/async-test/json");
auto Future3 = Client.Post("/api/async-test/echo/method");
auto Future4 = Client.Delete("/api/async-test/echo/method");
auto Resp1 = Future1.get();
auto Resp2 = Future2.get();
auto Resp3 = Future3.get();
auto Resp4 = Future4.get();
CHECK(Resp1.IsSuccess());
CHECK_EQ(Resp1.AsText(), "hello world");
CHECK(Resp2.IsSuccess());
CHECK_EQ(Resp2.AsText(), "{\"ok\":true}");
CHECK(Resp3.IsSuccess());
CHECK_EQ(Resp3.AsText(), "POST");
CHECK(Resp4.IsSuccess());
CHECK_EQ(Resp4.AsText(), "DELETE");
}
TEST_CASE("asynchttpclient.external.io_context")
{
AsyncTestServerFixture Fixture;
asio::io_context IoContext;
auto WorkGuard = asio::make_work_guard(IoContext);
std::thread IoThread([&IoContext]() { IoContext.run(); });
{
AsyncHttpClient Client = Fixture.MakeClient(IoContext);
auto Future = Client.Get("/api/async-test/hello");
auto Resp = Future.get();
CHECK(Resp.IsSuccess());
CHECK_EQ(Resp.AsText(), "hello world");
}
WorkGuard.reset();
IoThread.join();
}
TEST_CASE("asynchttpclient.connection.error")
{
// Connect to a port where nothing is listening
AsyncHttpClient Client("127.0.0.1:1", HttpClientSettings{.ConnectTimeout = std::chrono::milliseconds(500)});
auto Future = Client.Get("/should-fail");
auto Resp = Future.get();
CHECK_FALSE(Resp.IsSuccess());
CHECK(Resp.Error.has_value());
CHECK(Resp.Error->IsConnectionError());
}
TEST_SUITE_END();
void
asynchttpclient_test_forcelink()
{
}
} // namespace zen
#endif
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