/*
* Builds on get_req test, to test payload and Content-Format option.
*/
static void test_nanocoap__put_req(void)
{
uint8_t buf[128];
coap_pkt_t pkt;
uint16_t msgid = 0xABCD;
uint8_t token[2] = {0xDA, 0xEC};
char path[] = "/value";
size_t total_hdr_len = 6;
size_t uri_opt_len = 6;
size_t fmt_opt_len = 1;
size_t len = coap_build_hdr((coap_hdr_t *)&buf[0], COAP_TYPE_NON,
&token[0], 2, COAP_METHOD_PUT, msgid);
TEST_ASSERT_EQUAL_INT(total_hdr_len, len);
coap_pkt_init(&pkt, &buf[0], sizeof(buf), len);
TEST_ASSERT_EQUAL_INT(COAP_METHOD_PUT, coap_get_code(&pkt));
TEST_ASSERT_EQUAL_INT(122, pkt.payload_len);
len = coap_opt_add_string(&pkt, COAP_OPT_URI_PATH, &path[0], '/');
TEST_ASSERT_EQUAL_INT(uri_opt_len, len);
len = coap_opt_add_uint(&pkt, COAP_OPT_CONTENT_FORMAT, COAP_FORMAT_TEXT);
TEST_ASSERT_EQUAL_INT(fmt_opt_len, len);
TEST_ASSERT_EQUAL_INT(COAP_FORMAT_TEXT, coap_get_content_type(&pkt));
len = coap_opt_finish(&pkt, COAP_OPT_FINISH_PAYLOAD);
TEST_ASSERT_EQUAL_INT(total_hdr_len + uri_opt_len + fmt_opt_len + 1, len);
TEST_ASSERT_EQUAL_INT(0xFF, *(pkt.payload - 1));
TEST_ASSERT_EQUAL_INT(&buf[0] + 128 - pkt.payload, pkt.payload_len);
}
/*
* Client GET request with simple path. Test request generation.
* Request /time resource from libcoap example
*/
static void test_nanocoap__get_req(void)
{
uint8_t buf[128];
coap_pkt_t pkt;
uint16_t msgid = 0xABCD;
uint8_t token[2] = {0xDA, 0xEC};
char path[] = "/time";
size_t total_hdr_len = 6;
size_t total_opt_len = 5;
size_t len = coap_build_hdr((coap_hdr_t *)&buf[0], COAP_TYPE_NON,
&token[0], 2, COAP_METHOD_GET, msgid);
TEST_ASSERT_EQUAL_INT(total_hdr_len, len);
coap_pkt_init(&pkt, &buf[0], sizeof(buf), len);
TEST_ASSERT_EQUAL_INT(COAP_METHOD_GET, coap_get_code(&pkt));
TEST_ASSERT_EQUAL_INT(2, coap_get_token_len(&pkt));
TEST_ASSERT_EQUAL_INT(total_hdr_len, coap_get_total_hdr_len(&pkt));
TEST_ASSERT_EQUAL_INT(COAP_TYPE_NON, coap_get_type(&pkt));
TEST_ASSERT_EQUAL_INT(122, pkt.payload_len);
len = coap_opt_add_string(&pkt, COAP_OPT_URI_PATH, &path[0], '/');
TEST_ASSERT_EQUAL_INT(total_opt_len, len);
char uri[10] = {0};
coap_get_uri(&pkt, (uint8_t *)&uri[0]);
TEST_ASSERT_EQUAL_STRING((char *)path, (char *)uri);
len = coap_opt_finish(&pkt, COAP_OPT_FINISH_NONE);
TEST_ASSERT_EQUAL_INT(total_hdr_len + total_opt_len, len);
}
/*
* Builds on get_query test, to test multiple Uri-Query options.
*/
static void test_nanocoap__get_multi_query(void)
{
uint8_t buf[_BUF_SIZE];
coap_pkt_t pkt;
uint16_t msgid = 0xABCD;
uint8_t token[2] = {0xDA, 0xEC};
char qs[] = "ab=cde&f=gh";
size_t query_opt_len = 13; /* first opt header is 2 bytes long */
size_t len = coap_build_hdr((coap_hdr_t *)&buf[0], COAP_TYPE_NON,
&token[0], 2, COAP_METHOD_GET, msgid);
coap_pkt_init(&pkt, &buf[0], sizeof(buf), len);
uint8_t *query_pos = &pkt.payload[0];
len = coap_opt_add_string(&pkt, COAP_OPT_URI_QUERY, &qs[0], '&');
TEST_ASSERT_EQUAL_INT(query_opt_len, len);
char query[20] = {0};
coap_get_uri_query(&pkt, (uint8_t *)&query[0]);
/* skip initial '&' from coap_get_uri_query() */
TEST_ASSERT_EQUAL_STRING((char *)qs, &query[1]);
/* overwrite query to test buffer-based put */
coap_opt_put_uri_query(query_pos, COAP_OPT_URI_PATH, qs);
coap_get_uri_query(&pkt, (uint8_t *)&query[0]);
/* skip initial '&' from coap_get_uri_query() */
TEST_ASSERT_EQUAL_STRING((char *)qs, &query[1]);
}
/*
* Builds on get_req test, to test building a PDU that completely fills the
* buffer, and one that tries to overfill the buffer.
*/
static void test_nanocoap__option_add_buffer_max(void)
{
uint8_t buf[70]; /* header 4, token 2, path 64 */
coap_pkt_t pkt;
uint16_t msgid = 0xABCD;
uint8_t token[2] = {0xDA, 0xEC};
char path[] = "/23456789012345678901234567890123456789012345678901234567890123";
size_t uri_opt_len = 64; /* option hdr 2, option value 62 */
ssize_t len = coap_build_hdr((coap_hdr_t *)&buf[0], COAP_TYPE_NON,
&token[0], 2, COAP_METHOD_GET, msgid);
coap_pkt_init(&pkt, &buf[0], sizeof(buf), len);
len = coap_opt_add_string(&pkt, COAP_OPT_URI_PATH, &path[0], '/');
TEST_ASSERT_EQUAL_INT(uri_opt_len, len);
/* shrink buffer to attempt overfill */
coap_pkt_init(&pkt, &buf[0], sizeof(buf) - 1, len);
len = coap_opt_add_string(&pkt, COAP_OPT_URI_PATH, &path[0], '/');
TEST_ASSERT_EQUAL_INT(-ENOSPC, len);
}
/*
* Builds on get_req test, to test path with multiple segments.
*/
static void test_nanocoap__get_multi_path(void)
{
uint8_t buf[128];
coap_pkt_t pkt;
uint16_t msgid = 0xABCD;
uint8_t token[2] = {0xDA, 0xEC};
char path[] = "/ab/cde";
size_t uri_opt_len = 7;
size_t len = coap_build_hdr((coap_hdr_t *)&buf[0], COAP_TYPE_NON,
&token[0], 2, COAP_METHOD_GET, msgid);
coap_pkt_init(&pkt, &buf[0], sizeof(buf), len);
len = coap_opt_add_string(&pkt, COAP_OPT_URI_PATH, &path[0], '/');
TEST_ASSERT_EQUAL_INT(uri_opt_len, len);
char uri[10] = {0};
coap_get_uri(&pkt, (uint8_t *)&uri[0]);
TEST_ASSERT_EQUAL_STRING((char *)path, (char *)uri);
}
/*
* Builds on get_req test, to test path longer than NANOCOAP_URI_MAX. We
* expect coap_get_uri() to return -ENOSPC.
*/
static void test_nanocoap__get_path_too_long(void)
{
uint8_t buf[128];
coap_pkt_t pkt;
uint16_t msgid = 0xABCD;
uint8_t token[2] = {0xDA, 0xEC};
char path[] = "/234567890123456789012345678901234567890123456789012345678901234";
/* includes extra byte for option length > 12 */
size_t uri_opt_len = 65;
size_t len = coap_build_hdr((coap_hdr_t *)&buf[0], COAP_TYPE_NON,
&token[0], 2, COAP_METHOD_GET, msgid);
coap_pkt_init(&pkt, &buf[0], sizeof(buf), len);
len = coap_opt_add_string(&pkt, COAP_OPT_URI_PATH, &path[0], '/');
TEST_ASSERT_EQUAL_INT(uri_opt_len, len);
char uri[NANOCOAP_URI_MAX] = {0};
int get_len = coap_get_uri(&pkt, (uint8_t *)&uri[0]);
TEST_ASSERT_EQUAL_INT(-ENOSPC, get_len);
}
