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1 office 1 #include "test_mqtt.h"
2  
3 #include "lwip/pbuf.h"
4 #include "lwip/apps/mqtt.h"
5 #include "lwip/apps/mqtt_priv.h"
6 #include "lwip/netif.h"
7  
8 const ip_addr_t test_mqtt_local_ip = IPADDR4_INIT_BYTES(192, 168, 1, 1);
9 const ip_addr_t test_mqtt_remote_ip = IPADDR4_INIT_BYTES(192, 168, 1, 2);
10 const ip_addr_t test_mqtt_netmask = IPADDR4_INIT_BYTES(255, 255, 255, 0);
11  
12 static err_t test_mqtt_netif_output(struct netif *netif, struct pbuf *p,
13 const ip4_addr_t *ipaddr)
14 {
15 LWIP_UNUSED_ARG(netif);
16 LWIP_UNUSED_ARG(ipaddr);
17 LWIP_UNUSED_ARG(p);
18 return ERR_OK;
19 }
20  
21 static void
22 test_mqtt_init_netif(struct netif *netif, const ip_addr_t *ip_addr, const ip_addr_t *netmask)
23 {
24 struct netif *n;
25 memset(netif, 0, sizeof(struct netif));
26 netif->output = test_mqtt_netif_output;
27 netif->flags |= NETIF_FLAG_UP | NETIF_FLAG_LINK_UP;
28 ip_addr_copy_from_ip4(netif->netmask, *ip_2_ip4(netmask));
29 ip_addr_copy_from_ip4(netif->ip_addr, *ip_2_ip4(ip_addr));
30 for (n = netif_list; n != NULL; n = n->next) {
31 if (n == netif) {
32 return;
33 }
34 }
35 netif->next = NULL;
36 netif_list = netif;
37 }
38  
39 /* Setups/teardown functions */
40 static struct netif *old_netif_list;
41 static struct netif *old_netif_default;
42  
43 static void
44 mqtt_setup(void)
45 {
46 old_netif_list = netif_list;
47 old_netif_default = netif_default;
48 netif_list = NULL;
49 netif_default = NULL;
50 lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
51 }
52  
53 static void
54 mqtt_teardown(void)
55 {
56 netif_list = NULL;
57 netif_default = NULL;
58 /* restore netif_list for next tests (e.g. loopif) */
59 netif_list = old_netif_list;
60 netif_default = old_netif_default;
61 lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
62 }
63  
64 static void test_mqtt_connection_cb(mqtt_client_t *client, void *arg, mqtt_connection_status_t status)
65 {
66 LWIP_UNUSED_ARG(client);
67 LWIP_UNUSED_ARG(arg);
68 LWIP_UNUSED_ARG(status);
69 }
70  
71 START_TEST(basic_connect)
72 {
73 mqtt_client_t* client;
74 struct netif netif;
75 err_t err;
76 struct mqtt_connect_client_info_t client_info = {
77 "dumm",
78 NULL, NULL,
79 10,
80 NULL, NULL, 0, 0
81 };
82 struct pbuf *p;
83 unsigned char rxbuf[] = {0x20, 0x02, 0x00, 0x00};
84 LWIP_UNUSED_ARG(_i);
85  
86 test_mqtt_init_netif(&netif, &test_mqtt_local_ip, &test_mqtt_netmask);
87  
88 client = mqtt_client_new();
89 fail_unless(client != NULL);
90 err = mqtt_client_connect(client, &test_mqtt_remote_ip, 1234, test_mqtt_connection_cb, NULL, &client_info);
91 fail_unless(err == ERR_OK);
92  
93 client->conn->connected(client->conn->callback_arg, client->conn, ERR_OK);
94 p = pbuf_alloc(PBUF_RAW, sizeof(rxbuf), PBUF_REF);
95 fail_unless(p != NULL);
96 p->payload = rxbuf;
97 if (client->conn->recv(client->conn->callback_arg, client->conn, p, ERR_OK) != ERR_OK) {
98 pbuf_free(p);
99 }
100  
101 mqtt_disconnect(client);
102 /* fixme: mqtt_client_fre() is missing... */
103 mem_free(client);
104 }
105 END_TEST
106  
107 Suite* mqtt_suite(void)
108 {
109 testfunc tests[] = {
110 TESTFUNC(basic_connect),
111 };
112 return create_suite("MQTT", tests, sizeof(tests)/sizeof(testfunc), mqtt_setup, mqtt_teardown);
113 }