Make message body configurable

src/helpers/amoc_xmpp.erl

@@ -15,7 +15,9 @@
     #{name => legacy_tls, description => "use legacy tls connection",
       default_value => false,  verification => ?V(boolean)},
     #{name => connection_attempts, default_value => 1, verification => ?V(positive_integer),
-      description => "number of attempts to establish xmpp connection before exiting"}]).
+      description => "number of attempts to establish xmpp connection before exiting"},
+    #{name => message_body, default_value => <<"hello">>, verification => ?V(binary),
+      description => "body of the message to send"}]).
 
 %% @doc Connects and authenticates a user with the given id and additional properties.
 %% If the passed proplist is empty, a default user spec created by

src/helpers/amoc_xmpp_muc.erl

@@ -80,7 +80,7 @@ received_handler_spec() ->
 
 -spec ttd(exml:element(), escalus_connection:metadata()) -> non_neg_integer().
 ttd(Stanza, #{recv_timestamp := ReceivedTS}) ->
-    SentBin = exml_query:path(Stanza, [{element, <<"body">>}, cdata]),
+    SentBin = exml_query:path(Stanza, [{element, <<"timestamp">>}, cdata]),
     ReceivedTS - binary_to_integer(SentBin).
 
 -spec is_muc_notification(exml:element()) -> boolean().
@@ -106,7 +106,9 @@ is_muc_message(_) -> false.
 -spec send_message_to_room(escalus:client(), binary()) -> ok.
 send_message_to_room(Client, RoomJid) ->
     Timestamp = integer_to_binary(os:system_time(microsecond)),
-    escalus:send(Client, escalus_stanza:groupchat_to(RoomJid, Timestamp)).
+    Message = #xmlel{children = Children} = escalus_stanza:groupchat_to(RoomJid, cfg(message_body)),
+    TimestampElement = #xmlel{name = <<"timestamp">>, children = [#xmlcdata{content = Timestamp}]},
+    escalus:send(Client, Message#xmlel{children = [TimestampElement | Children]}).
 
 %%% MUC Light: Room creation
 

src/scenarios/dynamic_domains_pm.erl

@@ -62,7 +62,7 @@ do(MyId, Client) ->
 
 -spec send_stanza(escalus:client(), chat, #state{}) -> #state{}.
 send_stanza(Client, chat, State = #state{neighbours = [RecipientId | Rest]}) ->
-    Msg = escalus_stanza:chat_to_with_id_and_timestamp(make_jid(RecipientId), <<"hello">>),
+    Msg = escalus_stanza:chat_to_with_id_and_timestamp(make_jid(RecipientId), cfg(message_body)),
     escalus_connection:send(Client, Msg),
     State#state{neighbours = Rest ++ [RecipientId]}.