1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2010-2012. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%% Tests of the server implemented by diameter_sync.erl.
%%
-module(diameter_sync_SUITE).
-export([suite/0,
all/0,
groups/0,
init_per_suite/1,
end_per_suite/1]).
%% testcases
-export([call/1,
cast/1,
timeout/1,
flush/1]).
-define(sync, diameter_sync).
-define(util, diameter_util).
-define(TIMEOUT, infinity).
%% ===========================================================================
suite() ->
[{timetrap, {seconds, 60}}].
all() ->
[{group, all},
{group, all, [parallel]}].
groups() ->
[{all, [], tc()}].
tc() ->
[call,
cast,
timeout,
flush].
init_per_suite(Config) ->
ok = diameter:start(),
Config.
end_per_suite(_Config) ->
ok = diameter:stop().
%% ===========================================================================
call(_) ->
Ref = make_ref(),
Q = {q, Ref},
F = fun() -> Ref end,
Ref = ?sync:call(Q, F, infinity, ?TIMEOUT),
Ref = ?sync:call(Q, F, 0, infinity),
Ref = call(Q, F),
Ref = call(Q, {fun(_) -> Ref end, x}),
timeout = call(Q, fun() -> exit(unexpected) end),
{_,_,_} = call(Q, {erlang, now, []}),
{_,_,_} = call(Q, [fun erlang:now/0]).
cast(_) ->
Ref = make_ref(),
Q = {q, Ref},
false = ?sync:carp(Q),
[] = ?sync:pids(Q),
%% Queue a request that blocks until we send it Ref and another
%% that exits with Ref.
ok = cast(Q, fun() -> receive Ref -> ok end end),
ok = cast(Q, fun() -> exit(Ref) end),
[_,Pid] = ?sync:pids(Q),
%% Ensure some expected truths ...
2 = ?sync:pending(Q),
true = 2 =< ?sync:pending(),
true = lists:member(Q, ?sync:queues()),
%% ... and that the max number of requests is respected.
rejected = ?sync:call(Q, {erlang, now, []}, 1, ?TIMEOUT),
rejected = ?sync:cast(Q, {erlang, now, []}, 1, ?TIMEOUT),
%% Monitor on the identifiable request and see that exits when we
%% let the blocking request finish.
MRef = erlang:monitor(process, Pid),
{value, P} = ?sync:carp(Q),
P ! Ref,
Ref = receive
{'DOWN', MRef, process, _, Reason} ->
Reason
after ?TIMEOUT ->
false
end.
timeout(_) ->
Q = make_ref(),
ok = ?sync:cast(Q, {timer, sleep, [2000]}, infinity, 2000),
timeout = ?sync:call(Q, fun() -> ok end, infinity, 1000).
flush(_) ->
Q = make_ref(),
F = {timer, sleep, [2000]},
ok = cast(Q, F),
ok = cast(Q, F),
1 = ?sync:flush(Q).
%% ===========================================================================
call(Q, Req) ->
sync(call, Q, Req).
cast(Q, Req) ->
sync(cast, Q, Req).
sync(F, Q, Req) ->
?sync:F(Q, Req, infinity, infinity).
|
