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crowsite/libs/crow/tests/unittest.cpp

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add crow as local files
2023-08-25 03:48:59 -04:00
#define CATCH_CONFIG_MAIN
#define CROW_ENABLE_DEBUG
#define CROW_LOG_LEVEL 0
#include <sys/stat.h>
#include <iostream>
#include <vector>
#include <thread>
#include <chrono>
#include <type_traits>
#include <regex>
#include "catch.hpp"
#include "crow.h"
#include "crow/middlewares/cookie_parser.h"
#include "crow/middlewares/cors.h"
#include "crow/middlewares/session.h"
using namespace std;
using namespace crow;
#define LOCALHOST_ADDRESS "127.0.0.1"
TEST_CASE("Rule")
{
TaggedRule<> r("/http/");
r.name("abc");
// empty handler - fail to validate
try
{
r.validate();
FAIL_CHECK("empty handler should fail to validate");
}
catch (runtime_error& e)
{
}
int x = 0;
// registering handler
r([&x] {
x = 1;
return "";
});
r.validate();
response res;
request req;
// executing handler
CHECK(0 == x);
r.handle(req, res, routing_params());
CHECK(1 == x);
// registering handler with request argument
r([&x](const crow::request&) {
x = 2;
return "";
});
r.validate();
// executing handler
CHECK(1 == x);
r.handle(req, res, routing_params());
CHECK(2 == x);
} // Rule
TEST_CASE("ParameterTagging")
{
static_assert(black_magic::is_valid("<int><int><int>"), "valid url");
static_assert(!black_magic::is_valid("<int><int<<int>"), "invalid url");
static_assert(!black_magic::is_valid("nt>"), "invalid url");
CHECK(1 == black_magic::get_parameter_tag("<int>"));
CHECK(2 == black_magic::get_parameter_tag("<uint>"));
CHECK(3 == black_magic::get_parameter_tag("<float>"));
CHECK(3 == black_magic::get_parameter_tag("<double>"));
CHECK(4 == black_magic::get_parameter_tag("<str>"));
CHECK(4 == black_magic::get_parameter_tag("<string>"));
CHECK(5 == black_magic::get_parameter_tag("<path>"));
CHECK(6 * 6 + 6 + 1 == black_magic::get_parameter_tag("<int><int><int>"));
CHECK(6 * 6 + 6 + 2 == black_magic::get_parameter_tag("<uint><int><int>"));
CHECK(6 * 6 + 6 * 3 + 2 ==
black_magic::get_parameter_tag("<uint><double><int>"));
// url definition parsed in compile time, build into *one number*, and given
// to template argument
static_assert(
std::is_same<black_magic::S<uint64_t, double, int64_t>,
black_magic::arguments<6 * 6 + 6 * 3 + 2>::type>::value,
"tag to type container");
} // ParameterTagging
TEST_CASE("PathRouting")
{
SimpleApp app;
CROW_ROUTE(app, "/file")
([] {
return "file";
});
CROW_ROUTE(app, "/path/")
([] {
return "path";
});
app.validate();
{
request req;
response res;
req.url = "/file";
app.handle_full(req, res);
CHECK(200 == res.code);
}
{
request req;
response res;
req.url = "/file/";
app.handle_full(req, res);
CHECK(404 == res.code);
}
{
request req;
response res;
req.url = "/path";
app.handle_full(req, res);
CHECK(404 != res.code);
}
{
request req;
response res;
req.url = "/path/";
app.handle_full(req, res);
CHECK(200 == res.code);
}
} // PathRouting
TEST_CASE("InvalidPathRouting")
{
SimpleApp app;
CROW_ROUTE(app, "invalid_route")
([] {
return "should not arrive here";
});
try
{
app.validate();
FAIL_CHECK();
}
catch (std::exception& e)
{
auto expected_exception_text = "Internal error: Routes must start with a '/'";
CHECK(strcmp(expected_exception_text, e.what()) == 0);
}
} // InvalidPathRouting
TEST_CASE("RoutingTest")
{
SimpleApp app;
int A{};
uint32_t B{};
double C{};
string D{};
string E{};
CROW_ROUTE(app, "/0/<uint>")
([&](uint32_t b) {
B = b;
return "OK";
});
CROW_ROUTE(app, "/1/<int>/<uint>")
([&](int a, uint32_t b) {
A = a;
B = b;
return "OK";
});
CROW_ROUTE(app, "/4/<int>/<uint>/<double>/<string>")
([&](int a, uint32_t b, double c, string d) {
A = a;
B = b;
C = c;
D = d;
return "OK";
});
CROW_ROUTE(app, "/5/<int>/<uint>/<double>/<string>/<path>")
([&](int a, uint32_t b, double c, string d, string e) {
A = a;
B = b;
C = c;
D = d;
E = e;
return "OK";
});
app.validate();
// app.debug_print();
{
request req;
response res;
req.url = "/-1";
app.handle_full(req, res);
CHECK(404 == res.code);
}
{
request req;
response res;
req.url = "/0/1001999";
app.handle_full(req, res);
CHECK(200 == res.code);
CHECK(1001999 == B);
}
{
request req;
response res;
req.url = "/1/-100/1999";
app.handle_full(req, res);
CHECK(200 == res.code);
CHECK(-100 == A);
CHECK(1999 == B);
}
{
request req;
response res;
req.url = "/4/5000/3/-2.71828/hellhere";
req.add_header("TestHeader", "Value");
app.handle_full(req, res);
CHECK(200 == res.code);
CHECK(5000 == A);
CHECK(3 == B);
CHECK(-2.71828 == C);
CHECK("hellhere" == D);
}
{
request req;
response res;
req.url = "/5/-5/999/3.141592/hello_there/a/b/c/d";
req.add_header("TestHeader", "Value");
app.handle_full(req, res);
CHECK(200 == res.code);
CHECK(-5 == A);
CHECK(999 == B);
CHECK(3.141592 == C);
CHECK("hello_there" == D);
CHECK("a/b/c/d" == E);
}
} // RoutingTest
TEST_CASE("simple_response_routing_params")
{
CHECK(100 == response(100).code);
CHECK(200 == response("Hello there").code);
CHECK(500 == response(500, "Internal Error?").code);
CHECK(100 == response(100, "xml", "").code);
CHECK("text/xml" == response(100, "xml", "").get_header_value("Content-Type"));
CHECK(200 == response(200, "html", "").code);
CHECK("text/html" == response(200, "html", "").get_header_value("Content-Type"));
CHECK(500 == response(500, "html", "Internal Error?").code);
CHECK("text/css" == response(500, "css", "Internal Error?").get_header_value("Content-Type"));
routing_params rp;
rp.int_params.push_back(1);
rp.int_params.push_back(5);
rp.uint_params.push_back(2);
rp.double_params.push_back(3);
rp.string_params.push_back("hello");
CHECK(1 == rp.get<int64_t>(0));
CHECK(5 == rp.get<int64_t>(1));
CHECK(2 == rp.get<uint64_t>(0));
CHECK(3 == rp.get<double>(0));
CHECK("hello" == rp.get<string>(0));
} // simple_response_routing_params
TEST_CASE("custom_content_types")
{
// standard behaviour: content type is a key of mime_types
CHECK("text/html" == response("html", "").get_header_value("Content-Type"));
CHECK("image/jpeg" == response("jpg", "").get_header_value("Content-Type"));
CHECK("video/mpeg" == response("mpg", "").get_header_value("Content-Type"));
// content type is already a valid mime type
CHECK("text/csv" == response("text/csv", "").get_header_value("Content-Type"));
CHECK("application/xhtml+xml" == response("application/xhtml+xml", "").get_header_value("Content-Type"));
CHECK("font/custom;parameters=ok" == response("font/custom;parameters=ok", "").get_header_value("Content-Type"));
// content type looks like a mime type, but is invalid
// note: RFC6838 only allows a limited set of parent types:
// https://datatracker.ietf.org/doc/html/rfc6838#section-4.2.7
//
// These types are: application, audio, font, example, image, message,
// model, multipart, text, video
CHECK("text/plain" == response("custom/type", "").get_header_value("Content-Type"));
// content type does not look like a mime type.
CHECK("text/plain" == response("notarealextension", "").get_header_value("Content-Type"));
CHECK("text/plain" == response("image/", "").get_header_value("Content-Type"));
CHECK("text/plain" == response("/json", "").get_header_value("Content-Type"));
} // custom_content_types
TEST_CASE("handler_with_response")
{
SimpleApp app;
CROW_ROUTE(app, "/")
([](const crow::request&, crow::response&) {});
} // handler_with_response
TEST_CASE("http_method")
{
SimpleApp app;
CROW_ROUTE(app, "/").methods("POST"_method,
"GET"_method)([](const request& req) {
if (req.method == "GET"_method)
return "2";
else
return "1";
});
CROW_ROUTE(app, "/head_only")
.methods("HEAD"_method)([](const request& /*req*/) {
return response{202};
});
CROW_ROUTE(app, "/get_only")
.methods("GET"_method)([](const request& /*req*/) {
return "get";
});
CROW_ROUTE(app, "/post_only")
.methods("POST"_method)([](const request& /*req*/) {
return "post";
});
CROW_ROUTE(app, "/patch_only")
.methods("PATCH"_method)([](const request& /*req*/) {
return "patch";
});
CROW_ROUTE(app, "/purge_only")
.methods("PURGE"_method)([](const request& /*req*/) {
return "purge";
});
app.validate();
app.debug_print();
// cannot have multiple handlers for the same url
// CROW_ROUTE(app, "/")
//.methods("GET"_method)
//([]{ return "2"; });
{
request req;
response res;
req.url = "/";
app.handle_full(req, res);
CHECK("2" == res.body);
}
{
request req;
response res;
req.url = "/";
req.method = "POST"_method;
app.handle_full(req, res);
CHECK("1" == res.body);
}
{
request req;
response res;
req.url = "/head_only";
req.method = "HEAD"_method;
app.handle_full(req, res);
CHECK(202 == res.code);
CHECK("" == res.body);
}
{
request req;
response res;
req.url = "/get_only";
app.handle_full(req, res);
CHECK("get" == res.body);
}
{
request req;
response res;
req.url = "/patch_only";
req.method = "PATCH"_method;
app.handle_full(req, res);
CHECK("patch" == res.body);
}
{
request req;
response res;
req.url = "/purge_only";
req.method = "PURGE"_method;
app.handle_full(req, res);
CHECK("purge" == res.body);
}
{
request req;
response res;
req.url = "/get_only";
req.method = "POST"_method;
app.handle_full(req, res);
CHECK("get" != res.body);
}
{
request req;
response res;
req.url = "/get_only";
req.method = "POST"_method;
app.handle_full(req, res);
CHECK(405 == res.code);
}
{
request req;
response res;
req.url = "/get_only";
req.method = "HEAD"_method;
app.handle_full(req, res);
CHECK(200 == res.code);
CHECK("" == res.body);
}
{
request req;
response res;
req.url = "/";
req.method = "OPTIONS"_method;
app.handle_full(req, res);
CHECK(204 == res.code);
CHECK("OPTIONS, HEAD, GET, POST" == res.get_header_value("Allow"));
}
{
request req;
response res;
req.url = "/does_not_exist";
req.method = "OPTIONS"_method;
app.handle_full(req, res);
CHECK(404 == res.code);
}
{
request req;
response res;
req.url = "/*";
req.method = "OPTIONS"_method;
app.handle_full(req, res);
CHECK(204 == res.code);
CHECK("OPTIONS, HEAD, GET, POST, PATCH, PURGE" == res.get_header_value("Allow"));
}
{
request req;
response res;
req.url = "/head_only";
req.method = "OPTIONS"_method;
app.handle_full(req, res);
CHECK(204 == res.code);
CHECK("OPTIONS, HEAD" == res.get_header_value("Allow"));
}
} // http_method
TEST_CASE("server_handling_error_request")
{
static char buf[2048];
SimpleApp app;
CROW_ROUTE(app, "/")
([] {
return "A";
});
// Server<SimpleApp> server(&app, LOCALHOST_ADDRESS, 45451);
// auto _ = async(launch::async, [&]{server.run();});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
std::string sendmsg = "POX";
asio::io_service is;
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
try
{
c.receive(asio::buffer(buf, 2048));
FAIL_CHECK();
}
catch (std::exception& e)
{
CROW_LOG_DEBUG << e.what();
}
}
app.stop();
} // server_handling_error_request
TEST_CASE("server_handling_error_request_http_version")
{
static char buf[2048];
SimpleApp app;
CROW_ROUTE(app, "/")
([] {
return "A";
});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
std::string sendmsg = "POST /\r\nContent-Length:3\r\nX-HeaderTest: 123\r\n\r\nA=B\r\n";
asio::io_service is;
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
try
{
c.receive(asio::buffer(buf, 2048));
FAIL_CHECK();
}
catch (std::exception& e)
{
CROW_LOG_DEBUG << e.what();
}
}
app.stop();
} // server_handling_error_request_http_version
TEST_CASE("multi_server")
{
static char buf[2048];
SimpleApp app1, app2;
CROW_ROUTE(app1, "/").methods("GET"_method,
"POST"_method)([] {
return "A";
});
CROW_ROUTE(app2, "/").methods("GET"_method,
"POST"_method)([] {
return "B";
});
auto _ = app1.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
auto _2 = app2.bindaddr(LOCALHOST_ADDRESS).port(45452).run_async();
app1.wait_for_server_start();
app2.wait_for_server_start();
std::string sendmsg =
"POST / HTTP/1.0\r\nContent-Length:3\r\nX-HeaderTest: 123\r\n\r\nA=B\r\n";
{
asio::io_service is;
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
size_t recved = c.receive(asio::buffer(buf, 2048));
CHECK('A' == buf[recved - 1]);
}
{
asio::io_service is;
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45452));
for (auto ch : sendmsg)
{
char buf[1] = {ch};
c.send(asio::buffer(buf));
}
size_t recved = c.receive(asio::buffer(buf, 2048));
CHECK('B' == buf[recved - 1]);
}
app1.stop();
app2.stop();
} // multi_server
TEST_CASE("undefined_status_code")
{
SimpleApp app;
CROW_ROUTE(app, "/get123")
([] {
//this status does not exists statusCodes map defined in include/crow/http_connection.h
const int undefinedStatusCode = 123;
return response(undefinedStatusCode, "this should return 500");
});
CROW_ROUTE(app, "/get200")
([] {
return response(200, "ok");
});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45471).run_async();
app.wait_for_server_start();
asio::io_service is;
auto sendRequestAndGetStatusCode = [&](const std::string& route) -> unsigned {
asio::ip::tcp::socket socket(is);
socket.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), app.port()));
asio::streambuf request;
std::ostream request_stream(&request);
request_stream << "GET " << route << " HTTP/1.0\r\n";
request_stream << "Host: " << LOCALHOST_ADDRESS << "\r\n";
request_stream << "Accept: */*\r\n";
request_stream << "Connection: close\r\n\r\n";
// Send the request.
asio::write(socket, request);
asio::streambuf response;
asio::read_until(socket, response, "\r\n");
std::istream response_stream(&response);
std::string http_version;
response_stream >> http_version;
unsigned status_code = 0;
response_stream >> status_code;
return status_code;
};
unsigned statusCode = sendRequestAndGetStatusCode("/get200");
CHECK(statusCode == 200);
statusCode = sendRequestAndGetStatusCode("/get123");
CHECK(statusCode == 500);
app.stop();
} // undefined_status_code
TEST_CASE("json_read")
{
{
const char* json_error_tests[] = {
"{} 3",
"{{}",
"{3}",
"3.4.5",
"+3",
"3-2",
"00",
"03",
"1e3e3",
"1e+.3",
"nll",
"f",
"t",
"{\"x\":3,}",
"{\"x\"}",
"{\"x\":3 q}",
"{\"x\":[3 4]}",
"{\"x\":[\"",
"{\"x\":[[], 4],\"y\",}",
"{\"x\":[3",
"{\"x\":[ null, false, true}",
};
for (auto s : json_error_tests)
{
auto x = json::load(s);
if (x)
{
FAIL_CHECK(std::string("should fail to parse ") + s);
return;
}
}
}
auto x = json::load(R"({"message":"hello, world"})");
if (!x) FAIL_CHECK("fail to parse");
CHECK("hello, world" == x["message"]);
CHECK(1 == x.size());
CHECK(false == x.has("mess"));
REQUIRE_THROWS(x["mess"]);
// TODO(ipkn) returning false is better than exception
// ASSERT_THROW(3 == x["message"]);
CHECK(12 == x["message"].size());
std::string s =
R"({"int":3, "ints" :[1,2,3,4,5], "bigint":1234567890 })";
auto y = json::load(s);
CHECK(3 == y["int"]);
CHECK(3.0 == y["int"]);
CHECK(3.01 != y["int"]);
CHECK(5 == y["ints"].size());
CHECK(1 == y["ints"][0]);
CHECK(2 == y["ints"][1]);
CHECK(3 == y["ints"][2]);
CHECK(4 == y["ints"][3]);
CHECK(5 == y["ints"][4]);
CHECK(1u == y["ints"][0]);
CHECK(1.f == y["ints"][0]);
int q = (int)y["ints"][1];
CHECK(2 == q);
q = y["ints"][2].i();
CHECK(3 == q);
CHECK(1234567890 == y["bigint"]);
std::string s2 = R"({"bools":[true, false], "doubles":[1.2, -3.4]})";
auto z = json::load(s2);
CHECK(2 == z["bools"].size());
CHECK(2 == z["doubles"].size());
CHECK(true == z["bools"][0].b());
CHECK(false == z["bools"][1].b());
CHECK(1.2 == z["doubles"][0].d());
CHECK(-3.4 == z["doubles"][1].d());
std::string s3 = R"({"uint64": 18446744073709551615})";
auto z1 = json::load(s3);
CHECK(18446744073709551615ull == z1["uint64"].u());
std::ostringstream os;
os << z1["uint64"];
CHECK("18446744073709551615" == os.str());
} // json_read
TEST_CASE("json_read_real")
{
vector<std::string> v{"0.036303908355795146",
"0.18320417789757412",
"0.05319940476190476",
"0.15224702380952382",
"0",
"0.3296201145552561",
"0.47921580188679247",
"0.05873511904761905",
"0.1577827380952381",
"0.4996841307277628",
"0.6425412735849056",
"0.052113095238095236",
"0.12830357142857143",
"0.7871041105121294",
"0.954220013477089",
"0.05869047619047619",
"0.1625",
"0.8144794474393531",
"0.9721613881401617",
"0.1399404761904762",
"0.24470238095238095",
"0.04527459568733154",
"0.2096950808625337",
"0.35267857142857145",
"0.42791666666666667",
"0.855731974393531",
"0.9352467991913747",
"0.3816220238095238",
"0.4282886904761905",
"0.39414167789757415",
"0.5316079851752021",
"0.3809375",
"0.4571279761904762",
"0.03522995283018868",
"0.1915641846361186",
"0.6164136904761904",
"0.7192708333333333",
"0.05675117924528302",
"0.21308541105121293",
"0.7045386904761904",
"0.8016815476190476"};
for (auto x : v)
{
CROW_LOG_DEBUG << x;
CHECK(json::load(x).d() == utility::lexical_cast<double>(x));
}
auto ret = json::load(
R"---({"balloons":[{"mode":"ellipse","left":0.036303908355795146,"right":0.18320417789757412,"top":0.05319940476190476,"bottom":0.15224702380952382,"index":"0"},{"mode":"ellipse","left":0.3296201145552561,"right":0.47921580188679247,"top":0.05873511904761905,"bottom":0.1577827380952381,"index":"1"},{"mode":"ellipse","left":0.4996841307277628,"right":0.6425412735849056,"top":0.052113095238095236,"bottom":0.12830357142857143,"index":"2"},{"mode":"ellipse","left":0.7871041105121294,"right":0.954220013477089,"top":0.05869047619047619,"bottom":0.1625,"index":"3"},{"mode":"ellipse","left":0.8144794474393531,"right":0.9721613881401617,"top":0.1399404761904762,"bottom":0.24470238095238095,"index":"4"},{"mode":"ellipse","left":0.04527459568733154,"right":0.2096950808625337,"top":0.35267857142857145,"bottom":0.42791666666666667,"index":"5"},{"mode":"ellipse","left":0.855731974393531,"right":0.9352467991913747,"top":0.3816220238095238,"bottom":0.4282886904761905,"index":"6"},{"mode":"ellipse","left":0.39414167789757415,"right":0.5316079851752021,"top":0.3809375,"bottom":0.4571279761904762,"index":"7"},{"mode":"ellipse","left":0.03522995283018868,"right":0.1915641846361186,"top":0.6164136904761904,"bottom":0.7192708333333333,"index":"8"},{"mode":"ellipse","left":0.05675117924528302,"right":0.21308541105121293,"top":0.7045386904761904,"bottom":0.8016815476190476,"index":"9"}]})---");
CHECK(ret);
} // json_read_real
TEST_CASE("json_read_unescaping")
{
{
auto x = json::load(R"({"data":"\ud55c\n\t\r"})");
if (!x)
{
FAIL_CHECK("fail to parse");
return;
}
CHECK(6 == x["data"].size());
CHECK("한\n\t\r" == x["data"]);
}
{
// multiple r_string instance
auto x = json::load(R"({"data":"\ud55c\n\t\r"})");
auto a = x["data"].s();
auto b = x["data"].s();
CHECK(6 == a.size());
CHECK(6 == b.size());
CHECK(6 == x["data"].size());
}
} // json_read_unescaping
TEST_CASE("json_read_string")
{
auto x = json::load(R"({"message": 53})");
int y(x["message"]);
std::string z(x["message"]);
CHECK(53 == y);
CHECK("53" == z);
} // json_read_string
TEST_CASE("json_read_container")
{
auto x = json::load(R"({"first": 53, "second": "55", "third": [5,6,7,8,3,2,1,4]})");
CHECK(std::vector<std::string>({"first", "second", "third"}) == x.keys());
CHECK(53 == int(x.lo()[0]));
CHECK("55" == std::string(x.lo()[1]));
CHECK(8 == int(x.lo()[2].lo()[3]));
} // json_read_container
TEST_CASE("json_write")
{
json::wvalue x;
x["message"] = "hello world";
CHECK(R"({"message":"hello world"})" == x.dump());
x["message"] = std::string("string value");
CHECK(R"({"message":"string value"})" == x.dump());
x["message"]["x"] = 3;
CHECK(R"({"message":{"x":3}})" == x.dump());
x["message"]["y"] = 5;
CHECK((R"({"message":{"x":3,"y":5}})" == x.dump() ||
R"({"message":{"y":5,"x":3}})" == x.dump()));
x["message"] = 5.5;
CHECK(R"({"message":5.5})" == x.dump());
x["message"] = 1234567890;
CHECK(R"({"message":1234567890})" == x.dump());
json::wvalue y;
y["scores"][0] = 1;
y["scores"][1] = "king";
y["scores"][2] = 3.5;
CHECK(R"({"scores":[1,"king",3.5]})" == y.dump());
y["scores"][2][0] = "real";
y["scores"][2][1] = false;
y["scores"][2][2] = true;
CHECK(R"({"scores":[1,"king",["real",false,true]]})" == y.dump());
y["scores"]["a"]["b"]["c"] = nullptr;
CHECK(R"({"scores":{"a":{"b":{"c":null}}}})" == y.dump());
y["scores"] = std::vector<int>{1, 2, 3};
CHECK(R"({"scores":[1,2,3]})" == y.dump());
} // json_write
TEST_CASE("json_copy_r_to_w_to_w_to_r")
{
json::rvalue r = json::load(
R"({"smallint":2,"bigint":2147483647,"fp":23.43,"fpsc":2.343e1,"str":"a string","trueval":true,"falseval":false,"nullval":null,"listval":[1,2,"foo","bar"],"obj":{"member":23,"other":"baz"}})");
json::wvalue v{r};
json::wvalue w(v);
json::rvalue x =
json::load(w.dump()); // why no copy-ctor wvalue -> rvalue?
CHECK(2 == x["smallint"]);
CHECK(2147483647 == x["bigint"]);
CHECK(23.43 == x["fp"]);
CHECK(23.43 == x["fpsc"]);
CHECK("a string" == x["str"]);
CHECK(x["trueval"].b());
REQUIRE_FALSE(x["falseval"].b());
CHECK(json::type::Null == x["nullval"].t());
CHECK(4u == x["listval"].size());
CHECK(1 == x["listval"][0]);
CHECK(2 == x["listval"][1]);
CHECK("foo" == x["listval"][2]);
CHECK("bar" == x["listval"][3]);
CHECK(23 == x["obj"]["member"]);
CHECK("member" == x["obj"]["member"].key());
CHECK("baz" == x["obj"]["other"]);
CHECK("other" == x["obj"]["other"].key());
} // json_copy_r_to_w_to_w_to_r
//TODO(EDev): maybe combine these
TEST_CASE("json::wvalue::wvalue(bool)")
{
CHECK(json::wvalue(true).t() == json::type::True);
CHECK(json::wvalue(false).t() == json::type::False);
} // json::wvalue::wvalue(bool)
TEST_CASE("json::wvalue::wvalue(std::uint8_t)")
{
std::uint8_t i = 42;
json::wvalue value = i;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "42");
} // json::wvalue::wvalue(std::uint8_t)
TEST_CASE("json::wvalue::wvalue(std::uint16_t)")
{
std::uint16_t i = 42;
json::wvalue value = i;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "42");
} // json::wvalue::wvalue(std::uint16_t)
TEST_CASE("json::wvalue::wvalue(std::uint32_t)")
{
std::uint32_t i = 42;
json::wvalue value = i;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "42");
} // json::wvalue::wvalue(std::uint32_t)
TEST_CASE("json::wvalue::wvalue(std::uint64_t)")
{
std::uint64_t i = 42;
json::wvalue value = i;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "42");
} // json::wvalue::wvalue(std::uint64_t)
TEST_CASE("json::wvalue::wvalue(std::int8_t)")
{
std::int8_t i = -42;
json::wvalue value = i;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "-42");
} // json::wvalue::wvalue(std::int8_t)
TEST_CASE("json::wvalue::wvalue(std::int16_t)")
{
std::int16_t i = -42;
json::wvalue value = i;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "-42");
} // json::wvalue::wvalue(std::int16_t)
TEST_CASE("json::wvalue::wvalue(std::int32_t)")
{
std::int32_t i = -42;
json::wvalue value = i;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "-42");
} // json::wvalue::wvalue(std::int32_t)
TEST_CASE("json::wvalue::wvalue(std::int64_t)")
{
std::int64_t i = -42;
json::wvalue value = i;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "-42");
} // json::wvalue::wvalue(std::int64_t)
TEST_CASE("json::wvalue::wvalue(float)")
{
float f = 4.2;
json::wvalue value = f;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "4.2");
} // json::wvalue::wvalue(float)
TEST_CASE("json::wvalue::wvalue(double)")
{
double d = 4.2;
json::wvalue value = d;
CHECK(value.t() == json::type::Number);
CHECK(value.dump() == "4.2");
} // json::wvalue::wvalue(double)
TEST_CASE("json::wvalue::wvalue(char const*)")
{
char const* str = "Hello world!";
json::wvalue value = str;
CHECK(value.t() == json::type::String);
CHECK(value.dump() == "\"Hello world!\"");
} // json::wvalue::wvalue(char const*)
TEST_CASE("json::wvalue::wvalue(std::string const&)")
{
std::string str = "Hello world!";
json::wvalue value = str;
CHECK(value.t() == json::type::String);
CHECK(value.dump() == "\"Hello world!\"");
} // json::wvalue::wvalue(std::string const&)
TEST_CASE("json::wvalue::wvalue(std::string&&)")
{
std::string str = "Hello world!";
json::wvalue value = std::move(str);
CHECK(value.t() == json::type::String);
CHECK(value.dump() == "\"Hello world!\"");
} // json::wvalue::wvalue(std::string&&)
TEST_CASE("json::wvalue::wvalue(std::initializer_list<std::pair<std::string const, json::wvalue>>)")
{
json::wvalue integer, number, truth, lie, null;
integer = 2147483647;
number = 23.43;
truth = true;
lie = false;
/* initializer-list constructor. */
json::wvalue value({{"integer", integer},
{"number", number},
{"truth", truth},
{"lie", lie},
{"null", null}});
CHECK(value["integer"].dump() == integer.dump());
CHECK(value["number"].dump() == number.dump());
CHECK(value["truth"].dump() == truth.dump());
CHECK(value["lie"].dump() == lie.dump());
CHECK(value["null"].dump() == null.dump());
} // json::wvalue::wvalue(std::initializer_list<std::pair<std::string const, json::wvalue>>)
TEST_CASE("json::wvalue::wvalue(std::[unordered_]map<std::string, json::wvalue> const&)")
{
json::wvalue integer, number, truth, lie, null;
integer = 2147483647;
number = 23.43;
truth = true;
lie = false;
json::wvalue::object map({{"integer", integer},
{"number", number},
{"truth", truth},
{"lie", lie},
{"null", null}});
json::wvalue value(map); /* copy-constructor. */
CHECK(value["integer"].dump() == integer.dump());
CHECK(value["number"].dump() == number.dump());
CHECK(value["truth"].dump() == truth.dump());
CHECK(value["lie"].dump() == lie.dump());
CHECK(value["null"].dump() == null.dump());
} // json::wvalue::wvalue(std::[unordered_]map<std::string, json::wvalue> const&)
TEST_CASE("json::wvalue::wvalue(std::[unordered_]map<std::string, json::wvalue>&&)")
{
json::wvalue integer, number, truth, lie, null;
integer = 2147483647;
number = 23.43;
truth = true;
lie = false;
json::wvalue::object map = {{{"integer", integer},
{"number", number},
{"truth", truth},
{"lie", lie},
{"null", null}}};
json::wvalue value(std::move(map)); /* move constructor. */
// json::wvalue value = std::move(map); /* move constructor. */
CHECK(value["integer"].dump() == integer.dump());
CHECK(value["number"].dump() == number.dump());
CHECK(value["truth"].dump() == truth.dump());
CHECK(value["lie"].dump() == lie.dump());
CHECK(value["null"].dump() == null.dump());
} // json::wvalue::wvalue(std::[unordered_]map<std::string, json::wvalue>&&)
TEST_CASE("json::wvalue::operator=(std::initializer_list<std::pair<std::string const, json::wvalue>>)")
{
json::wvalue integer, number, truth, lie, null;
integer = 2147483647;
number = 23.43;
truth = true;
lie = false;
json::wvalue value;
/* initializer-list assignment. */
value = {
{"integer", integer},
{"number", number},
{"truth", truth},
{"lie", lie},
{"null", null}};
CHECK(value["integer"].dump() == integer.dump());
CHECK(value["number"].dump() == number.dump());
CHECK(value["truth"].dump() == truth.dump());
CHECK(value["lie"].dump() == lie.dump());
CHECK(value["null"].dump() == null.dump());
} // json::wvalue::operator=(std::initializer_list<std::pair<std::string const, json::wvalue>>)
TEST_CASE("json::wvalue::operator=(std::[unordered_]map<std::string, json::wvalue> const&)")
{
json::wvalue integer, number, truth, lie, null;
integer = 2147483647;
number = 23.43;
truth = true;
lie = false;
json::wvalue::object map({{"integer", integer},
{"number", number},
{"truth", truth},
{"lie", lie},
{"null", null}});
json::wvalue value;
value = map; /* copy assignment. */
CHECK(value["integer"].dump() == integer.dump());
CHECK(value["number"].dump() == number.dump());
CHECK(value["truth"].dump() == truth.dump());
CHECK(value["lie"].dump() == lie.dump());
CHECK(value["null"].dump() == null.dump());
} // json::wvalue::operator=(std::[unordered_]map<std::string, json::wvalue> const&)
TEST_CASE("json::wvalue::operator=(std::[unordered_]map<std::string, json::wvalue>&&)")
{
json::wvalue integer, number, truth, lie, null;
integer = 2147483647;
number = 23.43;
truth = true;
lie = false;
json::wvalue::object map({{"integer", integer},
{"number", number},
{"truth", truth},
{"lie", lie},
{"null", null}});
json::wvalue value;
value = std::move(map); /* move assignment. */
CHECK(value["integer"].dump() == integer.dump());
CHECK(value["number"].dump() == number.dump());
CHECK(value["truth"].dump() == truth.dump());
CHECK(value["lie"].dump() == lie.dump());
CHECK(value["null"].dump() == null.dump());
} // json::wvalue::operator=(std::[unordered_]map<std::string, json::wvalue>&&)
TEST_CASE("json_vector")
{
json::wvalue a;
json::wvalue b;
json::wvalue c;
json::wvalue d;
json::wvalue e;
json::wvalue f;
json::wvalue g;
json::wvalue h;
a = 5;
b = 6;
c = 7;
d = 8;
e = 4;
f = 3;
g = 2;
h = 1;
std::vector<json::wvalue> nums;
nums.emplace_back(a);
nums.emplace_back(b);
nums.emplace_back(c);
nums.emplace_back(d);
nums.emplace_back(e);
nums.emplace_back(f);
nums.emplace_back(g);
nums.emplace_back(h);
json::wvalue x(nums);
CHECK(8 == x.size());
CHECK("[5,6,7,8,4,3,2,1]" == x.dump());
} // json_vector
TEST_CASE("json_list")
{
json::wvalue x(json::wvalue::list({5, 6, 7, 8, 4, 3, 2, 1}));
CHECK(8 == x.size());
CHECK("[5,6,7,8,4,3,2,1]" == x.dump());
} // json_list
TEST_CASE("template_basic")
{
auto t = crow::mustache::compile(R"---(attack of {{name}})---");
crow::mustache::context ctx;
ctx["name"] = "killer tomatoes";
auto result = t.render_string(ctx);
CHECK("attack of killer tomatoes" == result);
} // template_basic
TEST_CASE("template_true_tag")
{
auto t = crow::mustache::compile(R"---({{true_value}})---");
crow::mustache::context ctx;
ctx["true_value"] = true;
auto result = t.render_string(ctx);
CHECK("true" == result);
} // template_true_tag
TEST_CASE("template_false_tag")
{
auto t = crow::mustache::compile(R"---({{false_value}})---");
crow::mustache::context ctx;
ctx["false_value"] = false;
auto result = t.render_string(ctx);
CHECK("false" == result);
} // template_false_tag
TEST_CASE("template_function")
{
auto t = crow::mustache::compile("attack of {{func}}");
crow::mustache::context ctx;
ctx["name"] = "killer tomatoes";
ctx["func"] = std::function<std::string(std::string)>([&](std::string) {
return std::string("{{name}}, IN SPACE!");
});
auto result = t.render_string(ctx);
CHECK("attack of killer tomatoes, IN SPACE!" == result);
}
TEST_CASE("template_load")
{
crow::mustache::set_base(".");
ofstream("test.mustache") << R"---(attack of {{name}})---";
auto t = crow::mustache::load("test.mustache");
crow::mustache::context ctx;
ctx["name"] = "killer tomatoes";
auto result = t.render_string(ctx);
CHECK("attack of killer tomatoes" == result);
unlink("test.mustache");
} // template_load
TEST_CASE("TemplateRouting")
{
SimpleApp app;
CROW_ROUTE(app, "/temp")
([] {
auto t = crow::mustache::compile(R"---(attack of {{name}})---");
crow::mustache::context ctx;
ctx["name"] = "killer tomatoes";
return crow::response(t.render(ctx));
});
app.validate();
{
request req;
response res;
req.url = "/temp";
app.handle_full(req, res);
CHECK("attack of killer tomatoes" == res.body);
CHECK("text/html" == crow::get_header_value(res.headers, "Content-Type"));
}
} // PathRouting
TEST_CASE("black_magic")
{
using namespace black_magic;
static_assert(
std::is_same<void, last_element_type<int, char, void>::type>::value,
"last_element_type");
static_assert(std::is_same<char, pop_back<int, char, void>::rebind<
last_element_type>::type>::value,
"pop_back");
static_assert(
std::is_same<int, pop_back<int, char, void>::rebind<pop_back>::rebind<
last_element_type>::type>::value,
"pop_back");
} // black_magic
struct NullMiddleware
{
struct context
{};
template<typename AllContext>
void before_handle(request&, response&, context&, AllContext&)
{}
template<typename AllContext>
void after_handle(request&, response&, context&, AllContext&)
{}
};
struct NullSimpleMiddleware
{
struct context
{};
void before_handle(request& /*req*/, response& /*res*/, context& /*ctx*/) {}
void after_handle(request& /*req*/, response& /*res*/, context& /*ctx*/) {}
};
TEST_CASE("middleware_simple")
{
App<NullMiddleware, NullSimpleMiddleware> app;
decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
CROW_ROUTE(app, "/")
([&](const crow::request& req) {
app.get_context<NullMiddleware>(req);
app.get_context<NullSimpleMiddleware>(req);
return "";
});
}
struct IntSettingMiddleware
{
struct context
{
int val;
};
template<typename AllContext>
void before_handle(request&, response&, context& ctx, AllContext&)
{
ctx.val = 1;
}
template<typename AllContext>
void after_handle(request&, response&, context& ctx, AllContext&)
{
ctx.val = 2;
}
};
std::vector<std::string> test_middleware_context_vector;
struct empty_type
{};
template<bool Local>
struct FirstMW : public std::conditional<Local, crow::ILocalMiddleware, empty_type>::type
{
struct context
{
std::vector<string> v;
};
void before_handle(request& /*req*/, response& /*res*/, context& ctx)
{
ctx.v.push_back("1 before");
}
void after_handle(request& /*req*/, response& /*res*/, context& ctx)
{
ctx.v.push_back("1 after");
test_middleware_context_vector = ctx.v;
}
};
template<bool Local>
struct SecondMW : public std::conditional<Local, crow::ILocalMiddleware, empty_type>::type
{
struct context
{};
template<typename AllContext>
void before_handle(request& req, response& res, context&, AllContext& all_ctx)
{
all_ctx.template get<FirstMW<Local>>().v.push_back("2 before");
if (req.url.find("/break") != std::string::npos) res.end();
}
template<typename AllContext>
void after_handle(request&, response&, context&, AllContext& all_ctx)
{
all_ctx.template get<FirstMW<Local>>().v.push_back("2 after");
}
};
template<bool Local>
struct ThirdMW : public std::conditional<Local, crow::ILocalMiddleware, empty_type>::type
{
struct context
{};
template<typename AllContext>
void before_handle(request&, response&, context&, AllContext& all_ctx)
{
all_ctx.template get<FirstMW<Local>>().v.push_back("3 before");
}
template<typename AllContext>
void after_handle(request&, response&, context&, AllContext& all_ctx)
{
all_ctx.template get<FirstMW<Local>>().v.push_back("3 after");
}
};
TEST_CASE("middleware_context")
{
static char buf[2048];
// SecondMW depends on FirstMW (it uses all_ctx.get<FirstMW>)
// so it leads to compile error if we remove FirstMW from definition
// App<IntSettingMiddleware, SecondMW> app;
// or change the order of FirstMW and SecondMW
// App<IntSettingMiddleware, SecondMW, FirstMW> app;
App<IntSettingMiddleware, FirstMW<false>, SecondMW<false>, ThirdMW<false>> app;
int x{};
CROW_ROUTE(app, "/")
([&](const request& req) {
{
auto& ctx = app.get_context<IntSettingMiddleware>(req);
x = ctx.val;
}
{
auto& ctx = app.get_context<FirstMW<false>>(req);
ctx.v.push_back("handle");
}
return "";
});
CROW_ROUTE(app, "/break")
([&](const request& req) {
{
auto& ctx = app.get_context<FirstMW<false>>(req);
ctx.v.push_back("handle");
}
return "";
});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
std::string sendmsg = "GET /\r\n\r\n";
asio::io_service is;
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
}
{
auto& out = test_middleware_context_vector;
CHECK(1 == x);
bool cond = 7 == out.size();
CHECK(cond);
if (cond)
{
CHECK("1 before" == out[0]);
CHECK("2 before" == out[1]);
CHECK("3 before" == out[2]);
CHECK("handle" == out[3]);
CHECK("3 after" == out[4]);
CHECK("2 after" == out[5]);
CHECK("1 after" == out[6]);
}
}
std::string sendmsg2 = "GET /break\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg2));
c.receive(asio::buffer(buf, 2048));
c.close();
}
{
auto& out = test_middleware_context_vector;
bool cond = 4 == out.size();
CHECK(cond);
if (cond)
{
CHECK("1 before" == out[0]);
CHECK("2 before" == out[1]);
CHECK("2 after" == out[2]);
CHECK("1 after" == out[3]);
}
}
app.stop();
} // middleware_context
struct LocalSecretMiddleware : crow::ILocalMiddleware
{
struct context
{};
void before_handle(request& /*req*/, response& res, context& /*ctx*/)
{
res.code = 403;
res.end();
}
void after_handle(request& /*req*/, response& /*res*/, context& /*ctx*/)
{}
};
TEST_CASE("local_middleware")
{
static char buf[2048];
App<LocalSecretMiddleware> app;
CROW_ROUTE(app, "/")
([]() {
return "works!";
});
CROW_ROUTE(app, "/secret")
.middlewares<decltype(app), LocalSecretMiddleware>()([]() {
return "works!";
});
app.validate();
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
asio::io_service is;
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer("GET /\r\n\r\n"));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(std::string(buf).find("200") != std::string::npos);
}
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer("GET /secret\r\n\r\n"));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(std::string(buf).find("403") != std::string::npos);
}
app.stop();
} // local_middleware
struct OnlyMoveConstructor
{
OnlyMoveConstructor(int) {}
OnlyMoveConstructor(const OnlyMoveConstructor&) = delete;
OnlyMoveConstructor(OnlyMoveConstructor&&) = default;
};
TEST_CASE("app_constructor")
{
App<NullMiddleware, OnlyMoveConstructor, FirstMW<false>, SecondMW<false>>
app1(OnlyMoveConstructor(1), SecondMW<false>{});
App<NullMiddleware, OnlyMoveConstructor, FirstMW<false>, SecondMW<false>>
app2(FirstMW<false>{}, OnlyMoveConstructor(1));
} // app_constructor
TEST_CASE("middleware_blueprint")
{
// Same logic as middleware_context, but middleware is added with blueprints
static char buf[2048];
App<FirstMW<true>, SecondMW<true>, ThirdMW<true>> app;
Blueprint bp1("a", "c1", "c1");
bp1.CROW_MIDDLEWARES(app, FirstMW<true>);
Blueprint bp2("b", "c2", "c2");
bp2.CROW_MIDDLEWARES(app, SecondMW<true>);
Blueprint bp3("c", "c3", "c3");
CROW_BP_ROUTE(bp2, "/")
.CROW_MIDDLEWARES(app, ThirdMW<true>)([&app](const crow::request& req) {
{
auto& ctx = app.get_context<FirstMW<true>>(req);
ctx.v.push_back("handle");
}
return "";
});
CROW_BP_ROUTE(bp3, "/break")
.CROW_MIDDLEWARES(app, SecondMW<true>, ThirdMW<true>)([&app](const crow::request& req) {
{
auto& ctx = app.get_context<FirstMW<true>>(req);
ctx.v.push_back("handle");
}
return "";
});
bp1.register_blueprint(bp3);
bp1.register_blueprint(bp2);
app.register_blueprint(bp1);
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
asio::io_service is;
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer("GET /a/b/\r\n\r\n"));
c.receive(asio::buffer(buf, 2048));
c.close();
}
{
auto& out = test_middleware_context_vector;
bool cond = 7 == out.size();
CHECK(cond);
if (cond)
{
CHECK("1 before" == out[0]);
CHECK("2 before" == out[1]);
CHECK("3 before" == out[2]);
CHECK("handle" == out[3]);
CHECK("3 after" == out[4]);
CHECK("2 after" == out[5]);
CHECK("1 after" == out[6]);
}
}
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer("GET /a/c/break\r\n\r\n"));
c.receive(asio::buffer(buf, 2048));
c.close();
}
{
auto& out = test_middleware_context_vector;
bool cond = 4 == out.size();
CHECK(cond);
if (cond)
{
CHECK("1 before" == out[0]);
CHECK("2 before" == out[1]);
CHECK("2 after" == out[2]);
CHECK("1 after" == out[3]);
}
}
app.stop();
} // middleware_blueprint
TEST_CASE("middleware_cookieparser_parse")
{
static char buf[2048];
App<CookieParser> app;
std::string value1;
std::string value2;
std::string value3;
std::string value4;
CROW_ROUTE(app, "/")
([&](const request& req) {
{
auto& ctx = app.get_context<CookieParser>(req);
value1 = ctx.get_cookie("key1");
value2 = ctx.get_cookie("key2");
value3 = ctx.get_cookie("key3");
value4 = ctx.get_cookie("key4");
}
return "";
});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
std::string sendmsg =
"GET /\r\nCookie: key1=value1; key2=\"val=ue2\"; key3=\"val\"ue3\"; "
"key4=\"val\"ue4\"\r\n\r\n";
asio::io_service is;
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
}
{
CHECK("value1" == value1);
CHECK("val=ue2" == value2);
CHECK("val\"ue3" == value3);
CHECK("val\"ue4" == value4);
}
app.stop();
} // middleware_cookieparser_parse
TEST_CASE("middleware_cookieparser_format")
{
using Cookie = CookieParser::Cookie;
auto valid = [](const std::string& s, int parts) {
return std::count(s.begin(), s.end(), ';') == parts - 1;
};
// basic
{
auto c = Cookie("key", "value");
auto s = c.dump();
CHECK(valid(s, 1));
CHECK(s == "key=value");
}
// max-age + domain
{
auto c = Cookie("key", "value")
.max_age(123)
.domain("example.com");
auto s = c.dump();
CHECK(valid(s, 3));
CHECK(s.find("key=value") != std::string::npos);
CHECK(s.find("Max-Age=123") != std::string::npos);
CHECK(s.find("Domain=example.com") != std::string::npos);
}
// samesite + secure
{
auto c = Cookie("key", "value")
.secure()
.same_site(Cookie::SameSitePolicy::None);
auto s = c.dump();
CHECK(valid(s, 3));
CHECK(s.find("Secure") != std::string::npos);
CHECK(s.find("SameSite=None") != std::string::npos);
}
// expires
{
std::time_t tp;
std::time(&tp);
std::tm* tm = std::gmtime(&tp);
std::istringstream ss("2000-11-01 23:59:59");
ss >> std::get_time(tm, "%Y-%m-%d %H:%M:%S");
std::mktime(tm);
auto c = Cookie("key", "value")
.expires(*tm);
auto s = c.dump();
CHECK(valid(s, 2));
CHECK(s.find("Expires=Wed, 01 Nov 2000 23:59:59 GMT") != std::string::npos);
}
// prototype
{
auto c = Cookie("key");
c.value("value");
auto s = c.dump();
CHECK(valid(s, 1));
CHECK(s == "key=value");
}
} // middleware_cookieparser_format
TEST_CASE("middleware_cors")
{
static char buf[5012];
App<crow::CORSHandler> app;
auto& cors = app.get_middleware<crow::CORSHandler>();
// clang-format off
cors
.prefix("/origin")
.origin("test.test")
.prefix("/nocors")
.ignore();
// clang-format on
CROW_ROUTE(app, "/")
([&](const request&) {
return "-";
});
CROW_ROUTE(app, "/origin")
([&](const request&) {
return "-";
});
CROW_ROUTE(app, "/nocors/path")
([&](const request&) {
return "-";
});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
asio::io_service is;
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer("GET /\r\n\r\n"));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(std::string(buf).find("Access-Control-Allow-Origin: *") != std::string::npos);
}
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer("GET /origin\r\n\r\n"));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(std::string(buf).find("Access-Control-Allow-Origin: test.test") != std::string::npos);
}
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer("GET /nocors/path\r\n\r\n"));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(std::string(buf).find("Access-Control-Allow-Origin:") == std::string::npos);
}
app.stop();
} // middleware_cors
TEST_CASE("middleware_session")
{
static char buf[5012];
using Session = SessionMiddleware<InMemoryStore>;
App<crow::CookieParser, Session> app{
Session{InMemoryStore{}}};
CROW_ROUTE(app, "/get")
([&](const request& req) {
auto& session = app.get_context<Session>(req);
auto key = req.url_params.get("key");
return session.string(key);
});
CROW_ROUTE(app, "/set")
([&](const request& req) {
auto& session = app.get_context<Session>(req);
auto key = req.url_params.get("key");
auto value = req.url_params.get("value");
session.set(key, value);
return "ok";
});
CROW_ROUTE(app, "/count")
([&](const request& req) {
auto& session = app.get_context<Session>(req);
session.apply("counter", [](int v) {
return v + 2;
});
return session.string("counter");
});
CROW_ROUTE(app, "/lock")
([&](const request& req) {
auto& session = app.get_context<Session>(req);
session.mutex().lock();
std::this_thread::sleep_for(std::chrono::milliseconds(50));
session.mutex().unlock();
return "OK";
});
CROW_ROUTE(app, "/check_lock")
([&](const request& req) {
auto& session = app.get_context<Session>(req);
if (session.mutex().try_lock())
return "LOCKED";
else
{
session.mutex().unlock();
return "FAILED";
};
});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
asio::io_service is;
auto make_request = [&](const std::string& rq) {
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(rq));
c.receive(asio::buffer(buf, 2048));
c.close();
return std::string(buf);
};
std::string cookie = "Cookie: session=";
// test = works
{
auto res = make_request(
"GET /set?key=test&value=works\r\n" + cookie + "\r\n\r\n");
const std::regex cookiev_regex("Cookie:\\ssession=(.*?);", std::regex::icase);
auto istart = std::sregex_token_iterator(res.begin(), res.end(), cookiev_regex, 1);
auto iend = std::sregex_token_iterator();
CHECK(istart != iend);
cookie.append(istart->str());
cookie.push_back(';');
}
// check test = works
{
auto res = make_request("GET /get?key=test\r\n" + cookie + "\r\n\r\n");
CHECK(res.find("works") != std::string::npos);
}
// check counter
{
for (int i = 1; i < 5; i++)
{
auto res = make_request("GET /count\r\n" + cookie + "\r\n\r\n");
CHECK(res.find(std::to_string(2 * i)) != std::string::npos);
}
}
// lock
{
asio::ip::tcp::socket c_lock(is);
c_lock.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c_lock.send(asio::buffer("GET /lock\r\n" + cookie + "\r\n\r\n"));
auto res = make_request("GET /check_lock\r\n" + cookie + "\r\n\r\n");
CHECK(res.find("LOCKED") != std::string::npos);
c_lock.close();
}
app.stop();
} // middleware_session
TEST_CASE("bug_quick_repeated_request")
{
static char buf[2048];
SimpleApp app;
CROW_ROUTE(app, "/")
([&] {
return "hello";
});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
std::string sendmsg = "GET / HTTP/1.1\r\nHost: localhost\r\n\r\n";
asio::io_service is;
{
std::vector<std::future<void>> v;
for (int i = 0; i < 5; i++)
{
v.push_back(async(launch::async, [&] {
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
for (int j = 0; j < 5; j++)
{
c.send(asio::buffer(sendmsg));
size_t received = c.receive(asio::buffer(buf, 2048));
CHECK("hello" == std::string(buf + received - 5, buf + received));
}
c.close();
}));
}
}
app.stop();
} // bug_quick_repeated_request
TEST_CASE("simple_url_params")
{
static char buf[2048];
SimpleApp app;
query_string last_url_params;
CROW_ROUTE(app, "/params")
([&last_url_params](const crow::request& req) {
last_url_params = std::move(req.url_params);
return "OK";
});
/// params?h=1&foo=bar&lol&count[]=1&count[]=4&pew=5.2
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
asio::io_service is;
std::string sendmsg;
// check empty params
sendmsg = "GET /params\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
stringstream ss;
ss << last_url_params;
CHECK("[ ]" == ss.str());
}
// check single presence
sendmsg = "GET /params?foobar\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(last_url_params.get("missing") == nullptr);
CHECK(last_url_params.get("foobar") != nullptr);
CHECK(last_url_params.get_list("missing").empty());
}
// check multiple presence
sendmsg = "GET /params?foo&bar&baz\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(last_url_params.get("missing") == nullptr);
CHECK(last_url_params.get("foo") != nullptr);
CHECK(last_url_params.get("bar") != nullptr);
CHECK(last_url_params.get("baz") != nullptr);
}
// check single value
sendmsg = "GET /params?hello=world\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(string(last_url_params.get("hello")) == "world");
}
// check multiple value
sendmsg = "GET /params?hello=world&left=right&up=down\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
query_string mutable_params(last_url_params);
CHECK(string(mutable_params.get("hello")) == "world");
CHECK(string(mutable_params.get("left")) == "right");
CHECK(string(mutable_params.get("up")) == "down");
std::string z = mutable_params.pop("left");
CHECK(z == "right");
CHECK(mutable_params.get("left") == nullptr);
}
// check multiple value, multiple types
sendmsg = "GET /params?int=100&double=123.45&boolean=1\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(utility::lexical_cast<int>(last_url_params.get("int")) == 100);
CHECK(utility::lexical_cast<double>(last_url_params.get("double")) ==
123.45);
CHECK(utility::lexical_cast<bool>(last_url_params.get("boolean")));
}
// check single array value
sendmsg = "GET /params?tmnt[]=leonardo\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(last_url_params.get("tmnt") == nullptr);
CHECK(last_url_params.get_list("tmnt").size() == 1);
CHECK(string(last_url_params.get_list("tmnt")[0]) == "leonardo");
}
// check multiple array value
sendmsg = "GET /params?tmnt[]=leonardo&tmnt[]=donatello&tmnt[]=raphael\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(last_url_params.get_list("tmnt").size() == 3);
CHECK(string(last_url_params.get_list("tmnt")[0]) == "leonardo");
CHECK(string(last_url_params.get_list("tmnt")[1]) == "donatello");
CHECK(string(last_url_params.get_list("tmnt")[2]) == "raphael");
CHECK(last_url_params.pop_list("tmnt").size() == 3);
CHECK(last_url_params.get_list("tmnt").size() == 0);
}
// check dictionary value
sendmsg = "GET /params?kees[one]=vee1&kees[two]=vee2&kees[three]=vee3\r\n\r\n";
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
c.receive(asio::buffer(buf, 2048));
c.close();
CHECK(last_url_params.get_dict("kees").size() == 3);
CHECK(string(last_url_params.get_dict("kees")["one"]) == "vee1");
CHECK(string(last_url_params.get_dict("kees")["two"]) == "vee2");
CHECK(string(last_url_params.get_dict("kees")["three"]) == "vee3");
CHECK(last_url_params.pop_dict("kees").size() == 3);
CHECK(last_url_params.get_dict("kees").size() == 0);
}
app.stop();
} // simple_url_params
TEST_CASE("route_dynamic")
{
SimpleApp app;
int x = 1;
app.route_dynamic("/")([&] {
x = 2;
return "";
});
app.route_dynamic("/set4")([&](const request&) {
x = 4;
return "";
});
app.route_dynamic("/set5")([&](const request&, response& res) {
x = 5;
res.end();
});
app.route_dynamic("/set_int/<int>")([&](int y) {
x = y;
return "";
});
try
{
app.route_dynamic("/invalid_test/<double>/<path>")([]() {
return "";
});
FAIL_CHECK();
}
catch (std::exception&)
{}
// app is in an invalid state when route_dynamic throws an exception.
try
{
app.validate();
FAIL_CHECK();
}
catch (std::exception&)
{}
{
request req;
response res;
req.url = "/";
app.handle_full(req, res);
CHECK(x == 2);
}
{
request req;
response res;
req.url = "/set_int/42";
app.handle_full(req, res);
CHECK(x == 42);
}
{
request req;
response res;
req.url = "/set5";
app.handle_full(req, res);
CHECK(x == 5);
}
{
request req;
response res;
req.url = "/set4";
app.handle_full(req, res);
CHECK(x == 4);
}
} // route_dynamic
TEST_CASE("multipart")
{
//
//--CROW-BOUNDARY
//Content-Disposition: form-data; name=\"hello\"
//
//world
//--CROW-BOUNDARY
//Content-Disposition: form-data; name=\"world\"
//
//hello
//--CROW-BOUNDARY
//Content-Disposition: form-data; name=\"multiline\"
//
//text
//text
//text
//--CROW-BOUNDARY--
//
std::string test_string = "--CROW-BOUNDARY\r\nContent-Disposition: form-data; name=\"hello\"\r\n\r\nworld\r\n--CROW-BOUNDARY\r\nContent-Disposition: form-data; name=\"world\"\r\n\r\nhello\r\n--CROW-BOUNDARY\r\nContent-Disposition: form-data; name=\"multiline\"\r\n\r\ntext\ntext\ntext\r\n--CROW-BOUNDARY--\r\n";
SimpleApp app;
CROW_ROUTE(app, "/multipart")
([](const crow::request& req, crow::response& res) {
multipart::message msg(req);
res.body = msg.dump();
res.end();
});
app.validate();
{
request req;
response res;
req.url = "/multipart";
req.add_header("Content-Type", "multipart/form-data; boundary=CROW-BOUNDARY");
req.body = test_string;
app.handle_full(req, res);
CHECK(test_string == res.body);
multipart::message msg(req);
CHECK("hello" == msg.get_part_by_name("world").body);
CHECK("form-data" == msg.get_part_by_name("hello").get_header_object("Content-Disposition").value);
}
// Check with `"` encapsulating the boundary (.NET clients do this)
{
request req;
response res;
req.url = "/multipart";
req.add_header("Content-Type", "multipart/form-data; boundary=\"CROW-BOUNDARY\"");
req.body = test_string;
app.handle_full(req, res);
CHECK(test_string == res.body);
}
} // multipart
TEST_CASE("send_file")
{
struct stat statbuf_cat;
stat("tests/img/cat.jpg", &statbuf_cat);
struct stat statbuf_badext;
stat("tests/img/filewith.badext", &statbuf_badext);
SimpleApp app;
CROW_ROUTE(app, "/jpg")
([](const crow::request&, crow::response& res) {
res.set_static_file_info("tests/img/cat.jpg");
res.end();
});
CROW_ROUTE(app, "/jpg2")
([](const crow::request&, crow::response& res) {
res.set_static_file_info(
"tests/img/cat2.jpg"); // This file is nonexistent on purpose
res.end();
});
CROW_ROUTE(app, "/filewith.badext")
([](const crow::request&, crow::response& res) {
res.set_static_file_info("tests/img/filewith.badext");
res.end();
});
app.validate();
//File not found check
{
request req;
response res;
req.url = "/jpg2";
app.handle_full(req, res);
CHECK(404 == res.code);
}
//Headers check
{
request req;
response res;
req.url = "/jpg";
req.http_ver_major = 1;
app.handle_full(req, res);
CHECK(200 == res.code);
CHECK(res.headers.count("Content-Type"));
if (res.headers.count("Content-Type"))
CHECK("image/jpeg" == res.headers.find("Content-Type")->second);
CHECK(res.headers.count("Content-Length"));
if (res.headers.count("Content-Length"))
CHECK(to_string(statbuf_cat.st_size) == res.headers.find("Content-Length")->second);
}
//Unknown extension check
{
request req;
response res;
req.url = "/filewith.badext";
req.http_ver_major = 1;
CHECK_NOTHROW(app.handle_full(req, res));
CHECK(200 == res.code);
CHECK(res.headers.count("Content-Type"));
if (res.headers.count("Content-Type"))
CHECK("text/plain" == res.headers.find("Content-Type")->second);
CHECK(res.headers.count("Content-Length"));
if (res.headers.count("Content-Length"))
CHECK(to_string(statbuf_badext.st_size) == res.headers.find("Content-Length")->second);
}
} // send_file
TEST_CASE("stream_response")
{
SimpleApp app;
const std::string keyword_ = "hello";
const size_t repetitions = 250000;
const size_t key_response_size = keyword_.length() * repetitions;
std::string key_response;
for (size_t i = 0; i < repetitions; i++)
key_response += keyword_;
CROW_ROUTE(app, "/test")
([&key_response](const crow::request&, crow::response& res) {
res.body = key_response;
res.end();
});
app.validate();
// running the test on a separate thread to allow the client to sleep
std::thread runTest([&app, &key_response, key_response_size, keyword_]() {
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
asio::io_service is;
std::string sendmsg;
//Total bytes received
unsigned int received = 0;
sendmsg = "GET /test HTTP/1.0\r\n\r\n";
{
asio::streambuf b;
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
c.send(asio::buffer(sendmsg));
// consuming the headers, since we don't need those for the test
static char buf[2048];
size_t received_headers_bytes = 0;
// Magic number is 102. It's the size of the headers, which is at
// least how much we need to read. Since the header size may change
// and break the test, we read twice as much as the header and
// search in the received data for the first occurrence of keyword_.
const size_t headers_bytes_and_some = 102 * 2;
while (received_headers_bytes < headers_bytes_and_some)
received_headers_bytes += c.receive(asio::buffer(buf + received_headers_bytes,
sizeof(buf) / sizeof(buf[0]) - received_headers_bytes));
const std::string::size_type header_end_pos = std::string(buf, received_headers_bytes).find(keyword_);
received += received_headers_bytes - header_end_pos; // add any extra that might have been received to the proper received count
while (received < key_response_size)
{
asio::streambuf::mutable_buffers_type bufs = b.prepare(16384);
size_t n(0);
n = c.receive(bufs);
b.commit(n);
received += n;
std::istream is(&b);
std::string s;
is >> s;
CHECK(key_response.substr(received - n, n) == s);
}
}
app.stop();
});
runTest.join();
} // stream_response
TEST_CASE("websocket")
{
static std::string http_message = "GET /ws HTTP/1.1\r\nConnection: keep-alive, Upgrade\r\nupgrade: websocket\r\nSec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\nSec-WebSocket-Version: 13\r\nHost: localhost\r\n\r\n";
static bool connected{false};
SimpleApp app;
CROW_WEBSOCKET_ROUTE(app, "/ws")
.onaccept([&](const crow::request& req, void**) {
CROW_LOG_INFO << "Accepted websocket with URL " << req.url;
return true;
})
.onopen([&](websocket::connection&) {
connected = true;
CROW_LOG_INFO << "Connected websocket and value is " << connected;
})
.onmessage([&](websocket::connection& conn, const std::string& message, bool isbin) {
CROW_LOG_INFO << "Message is \"" << message << '\"';
if (!isbin && message == "PINGME")
conn.send_ping("");
else if (!isbin && message == "Hello")
conn.send_text("Hello back");
else if (isbin && message == "Hello bin")
conn.send_binary("Hello back bin");
})
.onclose([&](websocket::connection&, const std::string&) {
CROW_LOG_INFO << "Closing websocket";
});
app.validate();
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45451).run_async();
app.wait_for_server_start();
asio::io_service is;
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
char buf[2048];
//----------Handshake----------
{
std::fill_n(buf, 2048, 0);
c.send(asio::buffer(http_message));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
CHECK(connected);
}
//----------Pong----------
{
std::fill_n(buf, 2048, 0);
char ping_message[2]("\x89");
c.send(asio::buffer(ping_message, 2));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
CHECK((int)(unsigned char)buf[0] == 0x8A);
}
//----------Ping----------
{
std::fill_n(buf, 2048, 0);
char not_ping_message[2 + 6 + 1]("\x81\x06"
"PINGME");
c.send(asio::buffer(not_ping_message, 8));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
CHECK((int)(unsigned char)buf[0] == 0x89);
}
//----------Text----------
{
std::fill_n(buf, 2048, 0);
char text_message[2 + 5 + 1]("\x81\x05"
"Hello");
c.send(asio::buffer(text_message, 7));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
std::string checkstring(std::string(buf).substr(0, 12));
CHECK(checkstring == "\x81\x0AHello back");
}
//----------Binary----------
{
std::fill_n(buf, 2048, 0);
char bin_message[2 + 9 + 1]("\x82\x09"
"Hello bin");
c.send(asio::buffer(bin_message, 11));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
std::string checkstring2(std::string(buf).substr(0, 16));
CHECK(checkstring2 == "\x82\x0EHello back bin");
}
//----------Masked Text----------
{
std::fill_n(buf, 2048, 0);
char text_masked_message[2 + 4 + 5 + 1]("\x81\x85"
"\x67\xc6\x69\x73"
"\x2f\xa3\x05\x1f\x08");
c.send(asio::buffer(text_masked_message, 11));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
std::string checkstring3(std::string(buf).substr(0, 12));
CHECK(checkstring3 == "\x81\x0AHello back");
}
//----------Masked Binary----------
{
std::fill_n(buf, 2048, 0);
char bin_masked_message[2 + 4 + 9 + 1]("\x82\x89"
"\x67\xc6\x69\x73"
"\x2f\xa3\x05\x1f\x08\xe6\x0b\x1a\x09");
c.send(asio::buffer(bin_masked_message, 15));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
std::string checkstring4(std::string(buf).substr(0, 16));
CHECK(checkstring4 == "\x82\x0EHello back bin");
}
//----------16bit Length Text----------
{
std::fill_n(buf, 2048, 0);
char b16_text_message[2 + 2 + 5 + 1]("\x81\x7E"
"\x00\x05"
"Hello");
c.send(asio::buffer(b16_text_message, 9));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
std::string checkstring(std::string(buf).substr(0, 12));
CHECK(checkstring == "\x81\x0AHello back");
}
//----------64bit Length Text----------
{
std::fill_n(buf, 2048, 0);
char b64text_message[2 + 8 + 5 + 1]("\x81\x7F"
"\x00\x00\x00\x00\x00\x00\x00\x05"
"Hello");
c.send(asio::buffer(b64text_message, 15));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
std::string checkstring(std::string(buf).substr(0, 12));
CHECK(checkstring == "\x81\x0AHello back");
}
//----------Close----------
{
std::fill_n(buf, 2048, 0);
char close_message[10]("\x88"); //I do not know why, but the websocket code does not read this unless it's longer than 4 or so bytes
c.send(asio::buffer(close_message, 10));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
CHECK((int)(unsigned char)buf[0] == 0x88);
}
app.stop();
} // websocket
TEST_CASE("websocket_missing_host")
{
static std::string http_message = "GET /ws HTTP/1.1\r\nConnection: keep-alive, Upgrade\r\nupgrade: websocket\r\nSec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\nSec-WebSocket-Version: 13\r\n\r\n";
static bool connected{false};
SimpleApp app;
CROW_WEBSOCKET_ROUTE(app, "/ws")
.onaccept([&](const crow::request& req, void**) {
CROW_LOG_INFO << "Accepted websocket with URL " << req.url;
return true;
})
.onopen([&](websocket::connection&) {
connected = true;
CROW_LOG_INFO << "Connected websocket and value is " << connected;
})
.onmessage([&](websocket::connection& conn, const std::string& message, bool isbin) {
CROW_LOG_INFO << "Message is \"" << message << '\"';
if (!isbin && message == "PINGME")
conn.send_ping("");
else if (!isbin && message == "Hello")
conn.send_text("Hello back");
else if (isbin && message == "Hello bin")
conn.send_binary("Hello back bin");
})
.onclose([&](websocket::connection&, const std::string&) {
CROW_LOG_INFO << "Closing websocket";
});
app.validate();
auto _ = app.bindaddr(LOCALHOST_ADDRESS).port(45471).run_async();
app.wait_for_server_start();
asio::io_service is;
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45471));
char buf[2048];
// Handshake should fail
{
std::fill_n(buf, 2048, 0);
c.send(asio::buffer(http_message));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
CHECK(!connected);
}
app.stop();
} // websocket
TEST_CASE("websocket_max_payload")
{
static std::string http_message = "GET /ws HTTP/1.1\r\nConnection: keep-alive, Upgrade\r\nupgrade: websocket\r\nSec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\nSec-WebSocket-Version: 13\r\nHost: localhost\r\n\r\n";
static bool connected{false};
SimpleApp app;
CROW_WEBSOCKET_ROUTE(app, "/ws")
.onopen([&](websocket::connection&) {
connected = true;
CROW_LOG_INFO << "Connected websocket and value is " << connected;
})
.onmessage([&](websocket::connection& conn, const std::string& message, bool isbin) {
CROW_LOG_INFO << "Message is \"" << message << '\"';
if (!isbin && message == "PINGME")
conn.send_ping("");
else if (!isbin && message == "Hello")
conn.send_text("Hello back");
else if (isbin && message == "Hello bin")
conn.send_binary("Hello back bin");
})
.onclose([&](websocket::connection&, const std::string&) {
CROW_LOG_INFO << "Closing websocket";
});
app.validate();
auto _ = app.websocket_max_payload(3).bindaddr(LOCALHOST_ADDRESS).port(45461).run_async();
app.wait_for_server_start();
asio::io_service is;
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45461));
char buf[2048];
//----------Handshake----------
{
std::fill_n(buf, 2048, 0);
c.send(asio::buffer(http_message));
c.receive(asio::buffer(buf, 2048));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
CHECK(connected);
}
//----------Text----------
{
std::fill_n(buf, 2048, 0);
char text_message[2 + 5 + 1]("\x81\x05"
"Hello");
c.send(asio::buffer(text_message, 7));
try
{
c.receive(asio::buffer(buf, 2048));
FAIL_CHECK();
}
catch (std::exception& e)
{
CROW_LOG_DEBUG << "websocket_max_payload test passed due to the exception: " << e.what();
}
}
asio::error_code ec;
c.lowest_layer().shutdown(asio::socket_base::shutdown_type::shutdown_both, ec);
app.stop();
} // websocket_max_payload
#ifdef CROW_ENABLE_COMPRESSION
TEST_CASE("zlib_compression")
{
static char buf_deflate[2048];
static char buf_gzip[2048];
SimpleApp app_deflate, app_gzip;
std::string expected_string = "Although moreover mistaken kindness me feelings do be marianne. Son over own nay with tell they cold upon are. "
"Cordial village and settled she ability law herself. Finished why bringing but sir bachelor unpacked any thoughts. "
"Unpleasing unsatiable particular inquietude did nor sir. Get his declared appetite distance his together now families. "
"Friends am himself at on norland it viewing. Suspected elsewhere you belonging continued commanded she.";
// test deflate
CROW_ROUTE(app_deflate, "/test_compress")
([&]() {
return expected_string;
});
CROW_ROUTE(app_deflate, "/test")
([&](const request&, response& res) {
res.compressed = false;
res.body = expected_string;
res.end();
});
// test gzip
CROW_ROUTE(app_gzip, "/test_compress")
([&]() {
return expected_string;
});
CROW_ROUTE(app_gzip, "/test")
([&](const request&, response& res) {
res.compressed = false;
res.body = expected_string;
res.end();
});
auto t1 = app_deflate.bindaddr(LOCALHOST_ADDRESS).port(45451).use_compression(compression::algorithm::DEFLATE).run_async();
auto t2 = app_gzip.bindaddr(LOCALHOST_ADDRESS).port(45452).use_compression(compression::algorithm::GZIP).run_async();
app_deflate.wait_for_server_start();
app_gzip.wait_for_server_start();
std::string test_compress_msg = "GET /test_compress\r\nAccept-Encoding: gzip, deflate\r\n\r\n";
std::string test_compress_no_header_msg = "GET /test_compress\r\n\r\n";
std::string test_none_msg = "GET /test\r\n\r\n";
auto inflate_string = [](std::string const& deflated_string) -> const std::string {
std::string inflated_string;
Bytef tmp[8192];
z_stream zstream{};
zstream.avail_in = deflated_string.size();
// Nasty const_cast but zlib won't alter its contents
zstream.next_in = const_cast<Bytef*>(reinterpret_cast<Bytef const*>(deflated_string.c_str()));
// Initialize with automatic header detection, for gzip support
if (::inflateInit2(&zstream, MAX_WBITS | 32) == Z_OK)
{
do
{
zstream.avail_out = sizeof(tmp);
zstream.next_out = &tmp[0];
auto ret = ::inflate(&zstream, Z_NO_FLUSH);
if (ret == Z_OK || ret == Z_STREAM_END)
{
std::copy(&tmp[0], &tmp[sizeof(tmp) - zstream.avail_out], std::back_inserter(inflated_string));
}
else
{
// Something went wrong with inflate; make sure we return an empty string
inflated_string.clear();
break;
}
} while (zstream.avail_out == 0);
// Free zlib's internal memory
::inflateEnd(&zstream);
}
return inflated_string;
};
asio::io_service is;
{
// Compression
{
asio::ip::tcp::socket socket[2] = {asio::ip::tcp::socket(is), asio::ip::tcp::socket(is)};
socket[0].connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
socket[1].connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45452));
socket[0].send(asio::buffer(test_compress_msg));
socket[1].send(asio::buffer(test_compress_msg));
socket[0].receive(asio::buffer(buf_deflate, 2048));
socket[1].receive(asio::buffer(buf_gzip, 2048));
std::string response_deflate;
std::string response_gzip;
for (unsigned i{0}; i < 2048; i++)
{
if (buf_deflate[i] == 0)
{
bool end = true;
for (unsigned j = i; j < 2048; j++)
{
if (buf_deflate[j] != 0)
{
end = false;
break;
}
}
if (end)
{
response_deflate.push_back(0);
response_deflate.push_back(0);
break;
}
}
response_deflate.push_back(buf_deflate[i]);
}
for (unsigned i{0}; i < 2048; i++)
{
if (buf_gzip[i] == 0)
{
bool end = true;
for (unsigned j = i; j < 2048; j++)
{
if (buf_gzip[j] != 0)
{
end = false;
break;
}
}
if (end)
{
response_deflate.push_back(0);
response_deflate.push_back(0);
break;
}
}
response_gzip.push_back(buf_gzip[i]);
}
response_deflate = inflate_string(response_deflate.substr(response_deflate.find("\r\n\r\n") + 4));
response_gzip = inflate_string(response_gzip.substr(response_gzip.find("\r\n\r\n") + 4));
socket[0].close();
socket[1].close();
CHECK(expected_string == response_deflate);
CHECK(expected_string == response_gzip);
}
// No Header (thus no compression)
{
asio::ip::tcp::socket socket[2] = {asio::ip::tcp::socket(is), asio::ip::tcp::socket(is)};
socket[0].connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
socket[1].connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45452));
socket[0].send(asio::buffer(test_compress_no_header_msg));
socket[1].send(asio::buffer(test_compress_no_header_msg));
socket[0].receive(asio::buffer(buf_deflate, 2048));
socket[1].receive(asio::buffer(buf_gzip, 2048));
std::string response_deflate(buf_deflate);
std::string response_gzip(buf_gzip);
response_deflate = response_deflate.substr(98);
response_gzip = response_gzip.substr(98);
socket[0].close();
socket[1].close();
CHECK(expected_string == response_deflate);
CHECK(expected_string == response_gzip);
}
// No compression
{
asio::ip::tcp::socket socket[2] = {asio::ip::tcp::socket(is), asio::ip::tcp::socket(is)};
socket[0].connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
socket[1].connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45452));
socket[0].send(asio::buffer(test_none_msg));
socket[1].send(asio::buffer(test_none_msg));
socket[0].receive(asio::buffer(buf_deflate, 2048));
socket[1].receive(asio::buffer(buf_gzip, 2048));
std::string response_deflate(buf_deflate);
std::string response_gzip(buf_gzip);
response_deflate = response_deflate.substr(98);
response_gzip = response_gzip.substr(98);
socket[0].close();
socket[1].close();
CHECK(expected_string == response_deflate);
CHECK(expected_string == response_gzip);
}
}
app_deflate.stop();
app_gzip.stop();
} // zlib_compression
#endif
TEST_CASE("catchall")
{
SimpleApp app;
SimpleApp app2;
CROW_ROUTE(app, "/place")
([]() {
return "place";
});
CROW_CATCHALL_ROUTE(app)
([](response& res) {
res.body = "!place";
});
CROW_ROUTE(app2, "/place")
([]() {
return "place";
});
app.validate();
app2.validate();
{
request req;
response res;
req.url = "/place";
app.handle_full(req, res);
CHECK(200 == res.code);
}
{
request req;
response res;
req.url = "/another_place";
app.handle_full(req, res);
CHECK(404 == res.code);
CHECK("!place" == res.body);
}
{
request req;
response res;
req.url = "/place";
app2.handle_full(req, res);
CHECK(200 == res.code);
}
{
request req;
response res;
req.url = "/another_place";
app2.handle_full(req, res);
CHECK(404 == res.code);
}
} // catchall
TEST_CASE("blueprint")
{
SimpleApp app;
crow::Blueprint bp("bp_prefix", "cstat", "ctemplate");
crow::Blueprint bp_not_sub("bp_prefix_second");
crow::Blueprint sub_bp("bp2", "csstat", "cstemplate");
crow::Blueprint sub_sub_bp("bp3");
CROW_BP_ROUTE(sub_bp, "/hello")
([]() {
return "Hello world!";
});
CROW_BP_ROUTE(bp_not_sub, "/hello")
([]() {
return "Hello world!";
});
CROW_BP_ROUTE(sub_sub_bp, "/hi")
([]() {
return "Hi world!";
});
CROW_BP_CATCHALL_ROUTE(sub_bp)
([]() {
return response(200, "WRONG!!");
});
app.register_blueprint(bp);
app.register_blueprint(bp_not_sub);
bp.register_blueprint(sub_bp);
sub_bp.register_blueprint(sub_sub_bp);
app.validate();
{
request req;
response res;
req.url = "/bp_prefix/bp2/hello";
app.handle_full(req, res);
CHECK("Hello world!" == res.body);
}
{
request req;
response res;
req.url = "/bp_prefix_second/hello";
app.handle_full(req, res);
CHECK("Hello world!" == res.body);
}
{
request req;
response res;
req.url = "/bp_prefix/bp2/bp3/hi";
app.handle_full(req, res);
CHECK("Hi world!" == res.body);
}
{
request req;
response res;
req.url = "/bp_prefix/nonexistent";
app.handle_full(req, res);
CHECK(404 == res.code);
}
{
request req;
response res;
req.url = "/bp_prefix_second/nonexistent";
app.handle_full(req, res);
CHECK(404 == res.code);
}
{
request req;
response res;
req.url = "/bp_prefix/bp2/nonexistent";
app.handle_full(req, res);
CHECK(200 == res.code);
CHECK("WRONG!!" == res.body);
}
{
request req;
response res;
req.url = "/bp_prefix/bp2/bp3/nonexistent";
app.handle_full(req, res);
CHECK(200 == res.code);
CHECK("WRONG!!" == res.body);
}
} // blueprint
TEST_CASE("base64")
{
unsigned char sample_bin[] = {0x14, 0xfb, 0x9c, 0x03, 0xd9, 0x7e};
std::string sample_bin_str(reinterpret_cast<char const*>(sample_bin),
sizeof(sample_bin) / sizeof(sample_bin[0]));
std::string sample_bin_enc = "FPucA9l+";
std::string sample_bin_enc_url = "FPucA9l-";
unsigned char sample_bin1[] = {0x14, 0xfb, 0x9c, 0x03, 0xd9};
std::string sample_bin1_str(reinterpret_cast<char const*>(sample_bin1),
sizeof(sample_bin1) / sizeof(sample_bin1[0]));
std::string sample_bin1_enc = "FPucA9k=";
std::string sample_bin1_enc_np = "FPucA9k";
unsigned char sample_bin2[] = {0x14, 0xfb, 0x9c, 0x03};
std::string sample_bin2_str(reinterpret_cast<char const*>(sample_bin2),
sizeof(sample_bin2) / sizeof(sample_bin2[0]));
std::string sample_bin2_enc = "FPucAw==";
std::string sample_bin2_enc_np = "FPucAw";
std::string sample_text = "Crow Allows users to handle requests that may not come from the network. This is done by calling the handle(req, res) method and providing a request and response objects. Which causes crow to identify and run the appropriate handler, returning the resulting response.";
std::string sample_base64 = "Q3JvdyBBbGxvd3MgdXNlcnMgdG8gaGFuZGxlIHJlcXVlc3RzIHRoYXQgbWF5IG5vdCBjb21lIGZyb20gdGhlIG5ldHdvcmsuIFRoaXMgaXMgZG9uZSBieSBjYWxsaW5nIHRoZSBoYW5kbGUocmVxLCByZXMpIG1ldGhvZCBhbmQgcHJvdmlkaW5nIGEgcmVxdWVzdCBhbmQgcmVzcG9uc2Ugb2JqZWN0cy4gV2hpY2ggY2F1c2VzIGNyb3cgdG8gaWRlbnRpZnkgYW5kIHJ1biB0aGUgYXBwcm9wcmlhdGUgaGFuZGxlciwgcmV0dXJuaW5nIHRoZSByZXN1bHRpbmcgcmVzcG9uc2Uu";
CHECK(crow::utility::base64encode(sample_text, sample_text.length()) == sample_base64);
CHECK(crow::utility::base64encode(sample_bin, 6) == sample_bin_enc);
CHECK(crow::utility::base64encode_urlsafe(sample_bin, 6) == sample_bin_enc_url);
CHECK(crow::utility::base64encode(sample_bin1, 5) == sample_bin1_enc);
CHECK(crow::utility::base64encode(sample_bin2, 4) == sample_bin2_enc);
CHECK(crow::utility::base64decode(sample_base64) == sample_text);
CHECK(crow::utility::base64decode(sample_base64, sample_base64.length()) == sample_text);
CHECK(crow::utility::base64decode(sample_bin_enc, 8) == sample_bin_str);
CHECK(crow::utility::base64decode(sample_bin_enc_url, 8) == sample_bin_str);
CHECK(crow::utility::base64decode(sample_bin1_enc, 8) == sample_bin1_str);
CHECK(crow::utility::base64decode(sample_bin1_enc_np, 7) == sample_bin1_str);
CHECK(crow::utility::base64decode(sample_bin2_enc, 8) == sample_bin2_str);
CHECK(crow::utility::base64decode(sample_bin2_enc_np, 6) == sample_bin2_str);
} // base64
TEST_CASE("sanitize_filename")
{
auto sanitize_filename = [](string s) {
crow::utility::sanitize_filename(s);
return s;
};
CHECK(sanitize_filename("abc/def") == "abc/def");
CHECK(sanitize_filename("abc/../def") == "abc/_/def");
CHECK(sanitize_filename("abc/..\\..\\..//.../def") == "abc/_\\_\\_//_./def");
CHECK(sanitize_filename("abc/..../def") == "abc/_../def");
CHECK(sanitize_filename("abc/x../def") == "abc/x../def");
CHECK(sanitize_filename("../etc/passwd") == "_/etc/passwd");
CHECK(sanitize_filename("abc/AUX") == "abc/_");
CHECK(sanitize_filename("abc/AUX/foo") == "abc/_/foo");
CHECK(sanitize_filename("abc/AUX:") == "abc/__");
CHECK(sanitize_filename("abc/AUXxy") == "abc/AUXxy");
CHECK(sanitize_filename("abc/AUX.xy") == "abc/_.xy");
CHECK(sanitize_filename("abc/NUL") == "abc/_");
CHECK(sanitize_filename("abc/NU") == "abc/NU");
CHECK(sanitize_filename("abc/NuL") == "abc/_");
CHECK(sanitize_filename("abc/LPT1\\") == "abc/_\\");
CHECK(sanitize_filename("abc/COM1") == "abc/_");
CHECK(sanitize_filename("ab?<>:*|\"cd") == "ab_______cd");
CHECK(sanitize_filename("abc/COM9") == "abc/_");
CHECK(sanitize_filename("abc/COM") == "abc/COM");
CHECK(sanitize_filename("abc/CON") == "abc/_");
CHECK(sanitize_filename("/abc/") == "_abc/");
}
TEST_CASE("get_port")
{
SimpleApp app;
const std::uint16_t port = 12345;
auto _ = app.port(port).run_async();
app.wait_for_server_start();
CHECK(app.port() == port);
app.stop();
} // get_port
TEST_CASE("timeout")
{
auto test_timeout = [](const std::uint8_t timeout) {
static char buf[2048];
SimpleApp app;
CROW_ROUTE(app, "/")
([]() {
return "hello";
});
auto _ = app.bindaddr(LOCALHOST_ADDRESS).timeout(timeout).port(45451).run_async();
app.wait_for_server_start();
asio::io_service is;
std::string sendmsg = "GET /\r\n\r\n";
future_status status;
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
auto receive_future = async(launch::async, [&]() {
asio::error_code ec;
c.receive(asio::buffer(buf, 2048), 0, ec);
return ec;
});
status = receive_future.wait_for(std::chrono::seconds(timeout - 1));
CHECK(status == future_status::timeout);
status = receive_future.wait_for(chrono::seconds(3));
CHECK(status == future_status::ready);
CHECK(receive_future.get() == asio::error::eof);
c.close();
}
{
asio::ip::tcp::socket c(is);
c.connect(asio::ip::tcp::endpoint(
asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
size_t received;
auto receive_future = async(launch::async, [&]() {
asio::error_code ec;
received = c.receive(asio::buffer(buf, 2048), 0, ec);
return ec;
});
status = receive_future.wait_for(std::chrono::seconds(timeout - 1));
CHECK(status == future_status::timeout);
c.send(asio::buffer(sendmsg));
status = receive_future.wait_for(chrono::seconds(3));
CHECK(status == future_status::ready);
CHECK(!receive_future.get());
CHECK("hello" == std::string(buf + received - 5, buf + received));
c.close();
}
app.stop();
};
test_timeout(3);
test_timeout(5);
} // timeout
TEST_CASE("task_timer")
{
using work_guard_type = asio::executor_work_guard<asio::io_service::executor_type>;
asio::io_service io_service;
work_guard_type work_guard(io_service.get_executor());
thread io_thread([&io_service]() {
io_service.run();
});
bool a = false;
bool b = false;
crow::detail::task_timer timer(io_service);
CHECK(timer.get_default_timeout() == 5);
timer.set_default_timeout(7);
CHECK(timer.get_default_timeout() == 7);
timer.schedule([&a]() {
a = true;
},
5);
timer.schedule([&b]() {
b = true;
});
this_thread::sleep_for(chrono::seconds(4));
CHECK(a == false);
CHECK(b == false);
this_thread::sleep_for(chrono::seconds(2));
CHECK(a == true);
CHECK(b == false);
this_thread::sleep_for(chrono::seconds(2));
CHECK(a == true);
CHECK(b == true);
io_service.stop();
io_thread.join();
} // task_timer
TEST_CASE("trim")
{
CHECK(utility::trim("") == "");
CHECK(utility::trim("0") == "0");
CHECK(utility::trim(" a") == "a");
CHECK(utility::trim("b ") == "b");
CHECK(utility::trim(" c ") == "c");
CHECK(utility::trim(" a b ") == "a b");
CHECK(utility::trim(" ") == "");
}
TEST_CASE("string_equals")
{
CHECK(utility::string_equals("a", "aa") == false);
CHECK(utility::string_equals("a", "b") == false);
CHECK(utility::string_equals("", "") == true);
CHECK(utility::string_equals("abc", "abc") == true);
CHECK(utility::string_equals("ABC", "abc") == true);
CHECK(utility::string_equals("a", "aa", true) == false);
CHECK(utility::string_equals("a", "b", true) == false);
CHECK(utility::string_equals("", "", true) == true);
CHECK(utility::string_equals("abc", "abc", true) == true);
CHECK(utility::string_equals("ABC", "abc", true) == false);
}
TEST_CASE("lexical_cast")
{
CHECK(utility::lexical_cast<int>(4) == 4);
CHECK(utility::lexical_cast<double>(4) == 4.0);
CHECK(utility::lexical_cast<int>("5") == 5);
CHECK(utility::lexical_cast<string>(4) == "4");
CHECK(utility::lexical_cast<float>("10", 2) == 10.0f);
}