Show message when server does not support ping

tests/functionaltests/functionaltests.c

@@ -36,6 +36,7 @@ int main(int argc, char* argv[]) {
         PROF_FUNC_TEST(connect_shows_presence_updates),
 
         PROF_FUNC_TEST(ping_multiple),
+        PROF_FUNC_TEST(ping_not_supported),
         PROF_FUNC_TEST(ping_responds),
 
         PROF_FUNC_TEST(rooms_query),

tests/functionaltests/test_ping.c

@@ -14,6 +14,15 @@
 void
 ping_multiple(void **state)
 {
+    stbbr_for_id("prof_disco_info_onconnect_2",
+        "<iq id='prof_disco_info_onconnect_2' to='stabber@localhost/profanity' type='result' from='localhost'>"
+            "<query xmlns='http://jabber.org/protocol/disco#info'>"
+                "<identity category='server' type='im' name='Prosody'/>"
+                "<feature var='urn:xmpp:ping'/>"
+            "</query>"
+        "</iq>"
+    );
+
     stbbr_for_id("prof_ping_4",
         "<iq id='prof_ping_4' type='result' to='stabber@localhost/profanity'/>"
     );
@@ -40,6 +49,23 @@ ping_multiple(void **state)
     assert_true(prof_output_exact("Ping response from server"));
 }
 
+void
+ping_not_supported(void **state)
+{
+    stbbr_for_id("prof_disco_info_onconnect_2",
+        "<iq id='prof_disco_info_onconnect_2' to='stabber@localhost/profanity' type='result' from='localhost'>"
+            "<query xmlns='http://jabber.org/protocol/disco#info'>"
+                "<identity category='server' type='im' name='Prosody'/>"
+            "</query>"
+        "</iq>"
+    );
+
+    prof_connect();
+
+    prof_input("/ping");
+    assert_true(prof_output_exact("Server does not support ping requests."));
+}
+
 void
 ping_responds(void **state)
 {

tests/functionaltests/test_ping.h

@@ -1,2 +1,3 @@
 void ping_multiple(void **state);
+void ping_not_supported(void **state);
 void ping_responds(void **state);