Commit | Line | Data |
---|---|---|
2dc71691 SK |
1 | -module(hope_option_SUITE). |
2 | ||
3 | %% Callbacks | |
4 | -export( | |
5 | [ all/0 | |
6 | , groups/0 | |
7 | ]). | |
8 | ||
9 | %% Test cases | |
10 | -export( | |
11 | [ t_of_result/1 | |
12 | , t_put/1 | |
13 | , t_get/1 | |
14 | , t_map/1 | |
15 | , t_iter/1 | |
4af0774b | 16 | , t_pipe/1 |
2dc71691 SK |
17 | ]). |
18 | ||
19 | ||
20 | -define(GROUP, option). | |
21 | ||
22 | ||
23 | %% ============================================================================ | |
24 | %% Common Test callbacks | |
25 | %% ============================================================================ | |
26 | ||
27 | all() -> | |
28 | [ {group, ?GROUP} | |
29 | ]. | |
30 | ||
31 | groups() -> | |
32 | Tests = | |
33 | [ t_of_result | |
34 | , t_put | |
35 | , t_get | |
36 | , t_map | |
37 | , t_iter | |
4af0774b | 38 | , t_pipe |
2dc71691 SK |
39 | ], |
40 | Properties = [parallel], | |
41 | [ {?GROUP, Properties, Tests} | |
42 | ]. | |
43 | ||
44 | ||
45 | %% ============================================================================= | |
46 | %% Test cases | |
47 | %% ============================================================================= | |
48 | ||
49 | t_put(_Cfg) -> | |
50 | IsFoo = fun (foo) -> true; (_) -> false end, | |
51 | {some, foo} = hope_option:put(foo, IsFoo), | |
52 | none = hope_option:put(bar, IsFoo). | |
53 | ||
54 | t_get(_Cfg) -> | |
55 | foo = hope_option:get({some, foo}, bar), | |
56 | bar = hope_option:get(none , bar). | |
57 | ||
58 | t_map(_Cfg) -> | |
59 | FooToBar = fun (foo) -> bar end, | |
60 | {some, bar} = hope_option:map({some, foo}, FooToBar), | |
61 | none = hope_option:map(none , FooToBar). | |
62 | ||
63 | t_iter(_Cfg) -> | |
64 | Key = key, | |
65 | Put = fun (Val) -> _ = put(Key, Val), ok end, | |
66 | Get = fun () -> get(Key) end, | |
67 | Val = foo, | |
68 | ok = hope_option:iter(none , Put), | |
69 | undefined = Get(), | |
70 | ok = hope_option:iter({some, Val}, Put), | |
71 | Val = Get(). | |
72 | ||
73 | t_of_result(_Cfg) -> | |
74 | Foo = foo, | |
75 | Bar = bar, | |
76 | ResultOk = {ok, Foo}, | |
77 | ResultError = {error, Bar}, | |
78 | {some, Foo} = hope_option:of_result(ResultOk), | |
79 | none = hope_option:of_result(ResultError). | |
4af0774b SK |
80 | |
81 | t_pipe(_Cfg) -> | |
82 | Steps = | |
83 | [ fun (0) -> hope_option:return(1); (_) -> none end | |
84 | , fun (1) -> hope_option:return(2); (_) -> none end | |
85 | , fun (2) -> hope_option:return(3); (_) -> none end | |
86 | ], | |
87 | {some, 3} = hope_option:pipe(Steps, 0), | |
88 | none = hope_option:pipe(Steps, 1), | |
89 | none = hope_option:pipe(Steps, 2), | |
90 | none = hope_option:pipe(Steps, 3). |