Files
cHTTP/tests/test_branch_coverage_engine.c
T
2025-05-12 22:23:33 +02:00

139 lines
3.1 KiB
C

#include <stdlib.h>
#include <string.h>
#include "test.h"
static void *memfunc(HTTP_MemoryFuncTag tag,
void *ptr, int len, void *data)
{
(void) data;
switch (tag) {
case HTTP_MEMFUNC_MALLOC:
return malloc(len);
case HTTP_MEMFUNC_FREE:
free(ptr);
return NULL;
}
return NULL;
}
static void test_engine_server(void)
{
HTTP_Engine eng;
{
int client = 0;
memset(&eng, 0, sizeof(eng));
http_engine_init(&eng, client, memfunc, NULL);
TEST_EQ((int) http_engine_state(&eng), HTTP_ENGINE_STATE_SERVER_RECV_BUF);
http_engine_free(&eng);
}
{
int client = 1;
memset(&eng, 0, sizeof(eng));
http_engine_init(&eng, client, memfunc, NULL);
TEST_EQ((int) http_engine_state(&eng), HTTP_ENGINE_STATE_CLIENT_PREP_URL);
http_engine_free(&eng);
}
}
static int read_from_client_engine(HTTP_Engine *eng, char *dst, int cap)
{
TEST_EQ(http_engine_state(eng), HTTP_ENGINE_STATE_CLIENT_SEND_BUF);
int num = 0;
do {
int len;
char *src = http_engine_sendbuf(eng, &len);
TEST_EQ(http_engine_state(eng), HTTP_ENGINE_STATE_CLIENT_SEND_ACK);
TEST(src != NULL);
TEST(cap - num >= len);
memcpy(dst + num, src, len);
num += len;
http_engine_sendack(eng, len);
} while (http_engine_state(eng) == HTTP_ENGINE_STATEBIT_SEND_BUF);
return num;
}
static void send_into_client_engine(HTTP_Engine *eng, char *src, int len)
{
int num = 0;
while (num < len) {
TEST_EQ(http_engine_state(eng), HTTP_ENGINE_STATE_CLIENT_RECV_BUF);
int cap;
char *dst = http_engine_recvbuf(eng, &cap);
TEST_EQ(http_engine_state(eng), HTTP_ENGINE_STATE_CLIENT_RECV_ACK);
TEST(dst != NULL);
TEST(cap > 0);
int cpy = len - num;
if (cpy > cap) cpy = cap;
memcpy(dst, src + num, cpy);
num += cpy;
http_engine_recvack(eng, cpy);
}
}
static void test_engine_client_basic_flow(void)
{
int client = 1;
HTTP_Engine eng;
http_engine_init(&eng, client, memfunc, NULL);
TEST_EQ(http_engine_state(&eng), HTTP_ENGINE_STATE_CLIENT_PREP_URL);
http_engine_url(&eng, HTTP_METHOD_GET, "http://some.url.com/some/endpoint", 1);
TEST_EQ(http_engine_state(&eng), HTTP_ENGINE_STATE_CLIENT_PREP_HEADER);
http_engine_header(&eng, "headerA: valueA", -1);
TEST_EQ(http_engine_state(&eng), HTTP_ENGINE_STATE_CLIENT_PREP_HEADER);
http_engine_body(&eng, "Hello, world!", -1);
TEST_EQ(http_engine_state(&eng), HTTP_ENGINE_STATE_CLIENT_PREP_BODY_BUF);
http_engine_done(&eng);
TEST_EQ(http_engine_state(&eng), HTTP_ENGINE_STATE_CLIENT_SEND_BUF);
{
char sendbuf[1<<10];
int sendnum;
sendnum = read_from_client_engine(&eng, sendbuf, (int) sizeof(sendbuf));
char expect[] =
"GET /some/endpoint HTTP/1.1\r\n"
"Host: some.url.com\r\n"
"headerA: valueA\r\n"
"Connection: Keep-Alive\r\n"
"Content-Length: 13 \r\n"
"\r\n"
"Hello, world!";
TEST_EQ(sendnum, strlen(expect));
TEST_EQ(memcmp(expect, sendbuf, strlen(expect)), 0);
}
{
char response[] =
"HTTP/1.1 200 OK\r\n"
"\r\n";
send_into_client_engine(&eng, response, strlen(response));
}
TEST_EQ(http_engine_state(&eng), HTTP_ENGINE_STATE_CLIENT_READY);
http_engine_free(&eng);
}
void test_branch_coverage_engine(void)
{
test_engine_server();
test_engine_client_basic_flow();
}