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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2026 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "httpparser.h"

#include "../daemon/httpparser.h"

CX_TEST(test_parse_request_line) {
    CX_TEST_DO {
        HttpParser parser;
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("GET / HTTP/1.1\r\n");
        
        int ret1 = parse_request_line(&parser);
        CX_TEST_ASSERT(!ret1);
        CX_TEST_ASSERT(!cx_strcmp(parser.method, "GET"));
        CX_TEST_ASSERT(!cx_strcmp(parser.uri, "/"));
        CX_TEST_ASSERT(!cx_strcmp(parser.httpv, "HTTP/1.1"));
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("POST /longer/url/test/path/ HTTP/1.0\r\n");
        int ret2 = parse_request_line(&parser);
        CX_TEST_ASSERT(!ret2);
        CX_TEST_ASSERT(!cx_strcmp(parser.method, "POST"));
        CX_TEST_ASSERT(!cx_strcmp(parser.uri, "/longer/url/test/path/"));
        CX_TEST_ASSERT(!cx_strcmp(parser.httpv, "HTTP/1.0"));
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("G / v\r\n");
        int ret3 = parse_request_line(&parser);
        CX_TEST_ASSERT(!ret3);
        CX_TEST_ASSERT(!cx_strcmp(parser.method, "G"));
        CX_TEST_ASSERT(!cx_strcmp(parser.uri, "/"));
        CX_TEST_ASSERT(!cx_strcmp(parser.httpv, "v"));
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("HEAD   /space      HTTP/0.9    \r\n");
        int ret4 = parse_request_line(&parser);
        CX_TEST_ASSERT(!ret4);
        CX_TEST_ASSERT(!cx_strcmp(parser.method, "HEAD"));
        CX_TEST_ASSERT(!cx_strcmp(parser.uri, "/space"));
        CX_TEST_ASSERT(!cx_strcmp(parser.httpv, "HTTP/0.9"));
        
        // unix-style line break tests
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("PROPFIND /collection/ HTTP/1.1\n");
        int uret1 = parse_request_line(&parser);
        CX_TEST_ASSERT(!uret1);
        CX_TEST_ASSERT(!cx_strcmp(parser.method, "PROPFIND"));
        CX_TEST_ASSERT(!cx_strcmp(parser.uri, "/collection/"));
        CX_TEST_ASSERT(!cx_strcmp(parser.httpv, "HTTP/1.1"));
        
        // negative tests
        parser.start_line = cx_mutstr("\r\n");
        int nret1 = parse_request_line(&parser);
        CX_TEST_ASSERT(nret1);
        
        parser.start_line = cx_mutstr("GET\r\n");
        int nret2 = parse_request_line(&parser);
        CX_TEST_ASSERT(nret2);
        
        parser.start_line = cx_mutstr("GET /test\r\n");
        int nret3 = parse_request_line(&parser);
        CX_TEST_ASSERT(nret3);
        
        parser.start_line = cx_mutstr("GET /test   \r\n");
        int nret4 = parse_request_line(&parser);
        CX_TEST_ASSERT(nret4);
        
        parser.start_line = cx_mutstr("/test HTTP/1.1\r\n");
        int nret5 = parse_request_line(&parser);
        CX_TEST_ASSERT(nret5);
        
        parser.start_line = cx_mutstr("GET /uri HTTP/1.1 test\r\n");
        int nret6 = parse_request_line(&parser);
        CX_TEST_ASSERT(nret6);
        
        parser.start_line = cx_mutstr("    /uri2 HTTP/1.1\r\n");
        int nret7 = parse_request_line(&parser);
        CX_TEST_ASSERT(nret7);
        
        parser.start_line = cx_mutstr("GET        HTTP/1.1\r\n");
        int nret8 = parse_request_line(&parser);
        CX_TEST_ASSERT(nret8);
    }
}

CX_TEST(test_parse_response_line) {
    CX_TEST_DO {
        HttpParser parser;
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("HTTP/1.1 200 OK\r\n");
        parser.type = 1;
        
        int ret1 = parse_response_line(&parser);
        CX_TEST_ASSERT(!ret1);
        CX_TEST_ASSERT(!cx_strcmp(parser.httpv, "HTTP/1.1"));
        CX_TEST_ASSERT(!cx_strcmp(parser.msg, "OK"));
        CX_TEST_ASSERT(parser.status == 200);
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("HTTP/1.0 201 Created\r\n");
        parser.type = 1;
        int ret2 = parse_response_line(&parser);
        CX_TEST_ASSERT(!ret2);
        CX_TEST_ASSERT(!cx_strcmp(parser.httpv, "HTTP/1.0"));
        CX_TEST_ASSERT(!cx_strcmp(parser.msg, "Created"));
        CX_TEST_ASSERT(parser.status == 201);
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("HTTP/0.9    204    No Content\r\n");
        parser.type = 1;
        int ret3 = parse_response_line(&parser);
        CX_TEST_ASSERT(!ret3);
        CX_TEST_ASSERT(!cx_strcmp(parser.httpv, "HTTP/0.9"));
        CX_TEST_ASSERT(!cx_strcmp(parser.msg, "No Content"));
        CX_TEST_ASSERT(parser.status == 204);
        
        // negative tests
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("HTTP/1.1 200\r\n");
        parser.type = 1;
        int nret1 = parse_response_line(&parser);
        CX_TEST_ASSERT(nret1);
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("\r\n");
        parser.type = 1;
        int nret2 = parse_response_line(&parser);
        CX_TEST_ASSERT(nret2);
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("200\r\n");
        parser.type = 1;
        int nret3 = parse_response_line(&parser);
        CX_TEST_ASSERT(nret3);
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("HTTP/1.1 2345 Test Message\r\n");
        parser.type = 1;
        int nret4 = parse_response_line(&parser);
        CX_TEST_ASSERT(nret4);
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("HTTP/1.1 xy1 OK\r\n");
        parser.type = 1;
        int nret5 = parse_response_line(&parser);
        CX_TEST_ASSERT(nret5);
        
        memset(&parser, 0, sizeof(HttpParser));
        parser.start_line = cx_mutstr("   200   OK\r\n");
        parser.type = 1;
        int nret6 = parse_response_line(&parser);
        CX_TEST_ASSERT(nret6);
    }
}