1
exercism fetch perl6 raindrops

raindrops.t

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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
#!/usr/bin/env perl6
use v6;
use Test;
use lib my $dir = $?FILE.IO.dirname;
use JSON::Fast;

my Str:D $exercise := 'Raindrops';
my Version:D $version = v1;
my Str $module //= $exercise;
plan 20;

use-ok $module or bail-out;
require ::($module);

if ::($exercise).^ver !~~ $version {
  warn "\nExercise version mismatch. Further tests may fail!"
    ~ "\n$exercise is $(::($exercise).^ver.gist). "
    ~ "Test is $($version.gist).\n";
  bail-out 'Example version must match test version.' if %*ENV<EXERCISM>;
}

require ::($module) <&convert>;

my $c-data = from-json $=pod.pop.contents;
for @($c-data<cases>) {
  subtest {
    plan 2;
    is .<number>.&convert, |.<expected description>;
    isa-ok .<number>.&convert, Str;
  }
}

=head2 Canonical Data
=begin code

{
  "exercise": "raindrops",
  "version": "1.0.0",
  "cases": [
    {
      "description": "the sound for 1 is 1",
      "property": "convert",
      "number": 1,
      "expected": "1"
    },
    {
      "description": "the sound for 3 is Pling",
      "property": "convert",
      "number": 3,
      "expected": "Pling"
    },
    {
      "description": "the sound for 5 is Plang",
      "property": "convert",
      "number": 5,
      "expected": "Plang"
    },
    {
      "description": "the sound for 7 is Plong",
      "property": "convert",
      "number": 7,
      "expected": "Plong"
    },
    {
      "description": "the sound for 6 is Pling as it has a factor 3",
      "property": "convert",
      "number": 6,
      "expected": "Pling"
    },
    {
      "description": "2 to the power 3 does not make a raindrop sound as 3 is the exponent not the base",
      "property": "convert",
      "number": 8,
      "expected": "8"
    },
    {
      "description": "the sound for 9 is Pling as it has a factor 3",
      "property": "convert",
      "number": 9,
      "expected": "Pling"
    },
    {
      "description": "the sound for 10 is Plang as it has a factor 5",
      "property": "convert",
      "number": 10,
      "expected": "Plang"
    },
    {
      "description": "the sound for 14 is Plong as it has a factor of 7",
      "property": "convert",
      "number": 14,
      "expected": "Plong"
    },
    {
      "description": "the sound for 15 is PlingPlang as it has factors 3 and 5",
      "property": "convert",
      "number": 15,
      "expected": "PlingPlang"
    },
    {
      "description": "the sound for 21 is PlingPlong as it has factors 3 and 7",
      "property": "convert",
      "number": 21,
      "expected": "PlingPlong"
    },
    {
      "description": "the sound for 25 is Plang as it has a factor 5",
      "property": "convert",
      "number": 25,
      "expected": "Plang"
    },
    {
      "description": "the sound for 27 is Pling as it has a factor 3",
      "property": "convert",
      "number": 27,
      "expected": "Pling"
    },
    {
      "description": "the sound for 35 is PlangPlong as it has factors 5 and 7",
      "property": "convert",
      "number": 35,
      "expected": "PlangPlong"
    },
    {
      "description": "the sound for 49 is Plong as it has a factor 7",
      "property": "convert",
      "number": 49,
      "expected": "Plong"
    },
    {
      "description": "the sound for 52 is 52",
      "property": "convert",
      "number": 52,
      "expected": "52"
    },
    {
      "description": "the sound for 105 is PlingPlangPlong as it has factors 3, 5 and 7",
      "property": "convert",
      "number": 105,
      "expected": "PlingPlangPlong"
    },
    {
      "description": "the sound for 3125 is Plang as it has a factor 5",
      "property": "convert",
      "number": 3125,
      "expected": "Plang"
    }
  ]
}

=end code

unless %*ENV<EXERCISM> {
  skip-rest 'exercism tests';
  exit;
}

subtest 'canonical-data' => {
  (my $c-data-file = "$dir/../../problem-specifications/exercises/{
    $dir.IO.resolve.basename
  }/canonical-data.json".IO.resolve) ~~ :f ??
    is-deeply $c-data, EVAL('from-json $c-data-file.slurp'), 'match problem-specifications' !!
    flunk 'problem-specifications file not found';
}

INIT { $module = 'Example' if %*ENV<EXERCISM> }