From 871839b699bcb9b9b6bdbdcb01aa272bdf049882 Mon Sep 17 00:00:00 2001
From: Piotr Dorobisz <piotr.dorobisz@erlang-solutions.com>
Date: Mon, 28 Mar 2011 08:59:27 +0200
Subject: new tests for ttb module

---
 lib/observer/test/ttb_helper.erl | 152 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 lib/observer/test/ttb_helper.erl

(limited to 'lib/observer/test/ttb_helper.erl')

diff --git a/lib/observer/test/ttb_helper.erl b/lib/observer/test/ttb_helper.erl
new file mode 100644
index 0000000000..3885812ba1
--- /dev/null
+++ b/lib/observer/test/ttb_helper.erl
@@ -0,0 +1,152 @@
+-module(ttb_helper). %%Nodes control
+-compile(export_all).
+
+%%API
+%%get() -> client:get()
+%%put(X) -> client:put(X)
+%%msgs(N) -> N times client:put(test_msg)
+%%clear() -> restart server
+%%ensure_running() / stop() -> start/stop nodes
+%%node(atom) -> return atom@hostname
+
+-define(NODE_CMD(Name),
+	"erl -sname " ++ atom_to_list(Name) ++
+	" -pa .. -pa . -detached -run h send_ok").
+-define(REG_NAME, nc_testing).
+
+new_fun() ->
+    fun(_, end_of_trace, _, Dict) -> io:format("~p~n", [dict:to_list(Dict)]);
+       (_, T, _, Dict) -> case element(2, T) of
+                              {Pid, _, _} ->
+                                  dict:update_counter(Pid, 1, Dict);
+                              Pid ->
+                                  dict:update_counter(Pid, 1, Dict)
+                          end
+    end.
+
+new_fun_2() ->
+    fun(_, end_of_trace, _, Dict) -> io:format("~p~n", [dict:to_list(Dict)]);
+       (_, T, _, Dict) ->  case element(2, T) of
+                               {_, Name, _} when is_atom(Name)->
+                                  dict:update_counter(Name, 1, Dict);
+                              Pid ->
+                                  dict:update_counter(Pid, 1, Dict)
+                          end
+
+    end.
+
+
+ensure_running() ->
+    try_start_node(server),
+    try_start_node(client),
+    clear().
+
+try_start_node(Node) ->
+    global:unregister_name(?REG_NAME),
+    global:register_name(?REG_NAME, self()),
+    global:sync(),
+    N = get_node(Node),
+    case net_adm:ping(N) of
+	pong ->
+	    io:format("Node ~p already running~n", [N]);
+	_ ->
+	    io:format("Starting node ~p... ~p ", [Node, os:cmd(?NODE_CMD(Node))]),
+	    recv()
+    end.
+
+clear() ->
+    s(server, stop, []),
+    init().
+
+stop() ->
+    s(init, stop, []),
+    c(init, stop, []).
+
+msgs(N) ->
+    [c(client, put, [test_msg]) || _ <- lists:seq(1, N)],
+    s(server, received, [a,b]),
+    [dbg:flush_trace_port(Node) || Node <- [client@ariel, server@ariel]].
+
+run() ->
+    ttb({local, "A"}),
+    msgs(2),
+    c(erlang, whereis, [ttbt]).
+
+get() -> c(client, get, []).
+put(Thing) -> c(client, put, [Thing]).
+
+get_node(Node) ->
+    {ok, Host} = inet:gethostname(),
+    list_to_atom(atom_to_list(Node) ++ "@" ++ Host).
+
+trace_setup() ->
+    ttb:p(all, call),
+    ttb:tp(server, received, []),
+    ttb:tp(client, put, []),
+    ttb:tp(client, get, []).
+
+ttb() -> ttb("A").
+ttb(File) ->
+    ttb:tracer([server@ariel, client@ariel], [{file, File}, resume]),
+    ttb:p(all, [call, timestamp]),
+    ttb:tp(client, put, []),
+    ttb:tp(client, get, []),
+    ttb:tp(server, received, []).
+
+tc() ->
+    TC = example_config_gen:create_trace_case("dummy comment"),
+    Patterns = example_config_gen:create_pattern(client, put, 1, return),
+    Flags = example_config_gen:create_flags(all, call),
+    Merge = example_config_gen:create_merge_conf(show_handler(), "dummy merge comment"),
+    Merge2 = example_config_gen:create_merge_conf(undefined, "dummy merge comment"),
+    TC2 = example_config_gen:add_pattern(Patterns, TC),
+    TC3 = example_config_gen:add_flags(Flags, TC2),
+    TC4 = example_config_gen:add_merge_conf(Merge, TC3),
+    TC5 = example_config_gen:add_merge_conf(Merge2, TC4),
+    example_config_gen:add_nodes([get_node(client), get_node(server)], TC5).
+
+
+show(X) ->
+    io:format(user, "Showing: ~p~n", [X]).
+
+state_handler() ->
+    {fun(_,_,I,S) -> io:format(user, "Got from ~p: ~p~n", [I,S]), S+1 end, 0}.
+
+show_handler() ->
+    {fun(A,B,_,_) -> io:format(A, "~p~n", [B]) end, []}.
+
+opts() ->
+    [[client@ariel, server@ariel],
+     [{server, received, '_', []},
+      {client, put, '_', []},
+      {client, get, '_', []}],
+     {all, call},
+     [{file, "TEST"}]].
+
+overload_check(check) ->
+    true;
+overload_check(_) ->
+    ok.
+%%%Internal
+s(M, F, A) -> rpc:call(get_node(server), M, F, A).
+c(M, F, A) -> rpc:call(get_node(client), M, F, A).
+
+send_ok() ->
+    pong = net_adm:ping(get_node(test)),
+    global:sync(),
+    global:send(?REG_NAME, node()).
+
+init() ->
+    True = s(server, start, []),
+    io:format("ok1: ~p~n", [True]),
+    true = c(client, init, [get_node(server)]).
+
+recv() ->
+    receive
+	Node ->
+	    io:format("Node ~p ready.~n", [Node]),
+            ok
+    after 5000 ->
+	    io:format("Startup failed~n",[]),
+	    throw(startup_failed)
+    end.
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