cpp
/
cppmicrohttpd


			
				
					
						
						
							
							#include <gmock/gmock.h>

#include <cppmicrohttpd.h>
#include "../helper/libmicrohttpd_mock.h"

using namespace ::testing;
using namespace ::cppmicrohttpd;

struct test_daemon
    : public daemon
{

    inline test_daemon()
        : daemon(123, daemon_flags::empty())
    {
        using namespace ::testing;

        ON_CALL(*this, create_request(_, _, _, _))
            .WillByDefault(Invoke(this, &test_daemon::base_create_request));
        ON_CALL(*this, create_response(_))
            .WillByDefault(Invoke(this, &test_daemon::base_create_response));
    }

    inline request_ptr_u base_create_request(
        MHD_Connection * const p_connection,
            const char * const p_url,
            const char * const p_method,
            const char * const p_version)
        { return daemon::create_request(p_connection, p_url, p_method, p_version); }

    inline response_ptr_u base_create_response(
        const ::cppmicrohttpd::request& p_request)
        { return daemon::create_response(p_request); }

    MOCK_METHOD4(
        create_request,
        request_ptr_u (struct MHD_Connection * const connection,
                       const char * const url,
                       const char * const method,
                       const char * const version));

    MOCK_METHOD1(
        create_response,
        response_ptr_u (const ::cppmicrohttpd::request& p_request));

};

TEST(cppmicrohttpd_tests, simpleRequest_get_success)
{
    auto * daemonPtr =
        reinterpret_cast<MHD_Daemon *>(0xDEADBEEF);
    auto * connectionPtr =
        reinterpret_cast<MHD_Connection *>(0x12345678);
    auto * responsePtr =
        reinterpret_cast<MHD_Response *>(0x45128945);
    auto * response =
        "<html><head><title>"
        "200 - OK"
        "</title></head>"
        "<body><h1>"
        "200 - OK"
        "</h1>"
        "Request successfull"
        "</body></html>";

    Sequence seq;
    StrictMock<libmicrohttpd_mock> microhttpd;

    EXPECT_CALL(microhttpd, MHD_start_daemon(0, 123, nullptr, nullptr, _, _))
        .InSequence(seq)
        .WillOnce(Return(daemonPtr));

    StrictMock<test_daemon> daemon;
    EXPECT_CALL(daemon, create_request(connectionPtr, StrEq("/test-url"), StrEq("GET"), StrEq("HTTP/1.1")))
        .InSequence(seq);
    EXPECT_CALL(daemon, create_response(_))
        .InSequence(seq)
        .WillOnce(Invoke([](auto& req){
            return response::build_simple_html_response(req, 200, "200 - OK", "200 - OK", "Request successfull");
        }));
    EXPECT_CALL(microhttpd, MHD_create_response_from_buffer(98, StrEq(response), MHD_RESPMEM_PERSISTENT))
        .InSequence(seq)
        .WillOnce(Return(responsePtr));
    EXPECT_CALL(microhttpd, MHD_add_response_header(responsePtr, StrEq("Content-Type"), StrEq("text/html;charset=utf-8")))
        .InSequence(seq)
        .WillOnce(Return(MHD_YES));
    EXPECT_CALL(microhttpd, MHD_queue_response(connectionPtr, 200, responsePtr))
        .InSequence(seq)
        .WillOnce(Return(MHD_YES));
    EXPECT_CALL(microhttpd, MHD_stop_daemon(daemonPtr))
        .InSequence(seq);

    size_t size = 0;
    void * con_cls = nullptr;

    /* first call will initialize the request */
    EXPECT_EQ(
        MHD_YES,
        daemon::mhd_access_handler_callback(
            &daemon,
            connectionPtr,
            "/test-url",
            "GET",
            "HTTP/1.1",
            nullptr,
            &size,
            &con_cls));

    /* second call will render the response */
    EXPECT_EQ(
        MHD_YES,
        daemon::mhd_access_handler_callback(
            &daemon,
            connectionPtr,
            "/test-url",
            "GET",
            "HTTP/1.1",
            nullptr,
            &size,
            &con_cls));
}