Update mustache.erl

src/mustache.erl

@@ -31,6 +31,10 @@
                  section_re = undefined,
                  tag_re = undefined}).
 
+-ifdef(TEST).
+-include_lib("eunit/include/eunit.hrl").
+-endif.
+
 compile(Body) when is_list(Body) ->
   State = #mstate{},
   CompiledTemplate = pre_compile(Body, State),
@@ -215,3 +219,11 @@ start([T]) ->
   Out = render(list_to_atom(T)),
   io:format(Out ++ "~n", []).
 
+-ifdef(TEST).
+
+simple_test() ->
+    Ctx = dict:from_list([{name, "world"}]),
+    Result = render("Hello {{name}}!", Ctx),
+    ?assertEqual("Hello world!", Result).
+
+-endif.