blob: ec1c8134c97da99bb1fccf967bd0d63b071c179a (
plain)
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
|
(.module:
[library
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
["." predicate]
[\\specification
["$." equivalence]
["$." hash]
["$." order]
["$." enum]
["$." codec]]]
[control
["." try ("#\." functor)]
["." exception]]
[data
[collection
["." set]
["." list ("#\." functor fold)]]]
[math
["." random (#+ Random)]
[number
["n" nat]]]]]
[\\library
["." /
[//
["." duration]]]])
(def: #export random
(Random /.Month)
(let [december (/.number #/.December)]
(|> random.nat
(\ random.monad map (|>> (n.% december) inc))
(random.one (|>> /.by_number try.maybe)))))
(def: #export test
Test
(<| (_.covering /._)
(_.for [/.Month])
($_ _.and
(_.for [/.equivalence]
($equivalence.spec /.equivalence ..random))
(_.for [/.hash]
($hash.spec /.hash ..random))
(_.for [/.order]
($order.spec /.order ..random))
(_.for [/.enum]
($enum.spec /.enum ..random))
(_.for [/.codec]
($codec.spec /.equivalence /.codec ..random))
(do random.monad
[expected ..random
invalid (random.only (predicate.or (n.< (/.number #/.January))
(n.> (/.number #/.December)))
random.nat)]
($_ _.and
(_.cover [/.number /.by_number]
(|> expected
/.number
/.by_number
(try\map (\ /.equivalence = expected))
(try.else false)))
(_.cover [/.invalid_month]
(case (/.by_number invalid)
(#try.Failure error)
(exception.match? /.invalid_month error)
(#try.Success _)
false))
(_.cover [/.year]
(let [all (list.size /.year)
uniques (set.size (set.of_list /.hash /.year))]
(and (n.= (/.number #/.December)
all)
(n.= all
uniques))))
(_.cover [/.days]
(let [expected (.nat (duration.query duration.day duration.normal_year))]
(|> /.year
(list\map /.days)
(list\fold n.+ 0)
(n.= expected))))
(_.cover [/.leap_year_days]
(let [expected (.nat (duration.query duration.day duration.leap_year))]
(|> /.year
(list\map /.leap_year_days)
(list\fold n.+ 0)
(n.= expected))))
(do random.monad
[not_a_month (random.ascii/upper 1)]
(_.cover [/.not_a_month_of_the_year]
(case (\ /.codec decode not_a_month)
(#try.Failure error)
(exception.match? /.not_a_month_of_the_year error)
(#try.Success _)
false)))
)))))
|