This repository has been archived by the owner on Jan 6, 2021. It is now read-only.
/
attributes_test.clj
177 lines (146 loc) · 5.53 KB
/
attributes_test.clj
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
167
168
169
170
171
172
173
174
175
176
(ns alda.lisp.attributes-test
(:require [clojure.test :refer :all]
[alda.test-helpers :refer (get-instrument)]
[alda.lisp :refer :all]))
(deftest octave-tests
(testing "octaves"
(let [s (score (part "piano"))
piano (get-instrument s "piano")]
(is (= (:octave piano) 4))
(let [s (continue s
(octave 2))
piano (get-instrument s "piano")]
(is (= (:octave piano) 2)))
(let [s (continue s
(octave :down))
piano (get-instrument s "piano")]
(is (= (:octave piano) 3)))
(let [s (continue s
(octave :up))
piano (get-instrument s "piano")]
(is (= (:octave piano) 5)))
(let [s (continue s
(octave :up)
(octave :up)
(octave :up)
(octave :down))
piano (get-instrument s "piano")]
(is (= (:octave piano) 6)))
(let [s (continue s
(set-attribute :octave 1))
piano (get-instrument s "piano")]
(is (= (:octave piano) 1))))))
(deftest volume-tests
(testing "volume"
(let [s (score (part "piano"))
piano (get-instrument s "piano")]
(is (== (:volume piano) 1.0))
(let [s (continue s
(volume 50))
piano (get-instrument s "piano")]
(is (== (:volume piano) 0.5)))
(let [s (continue s
(volume 75))
piano (get-instrument s "piano")]
(is (== (:volume piano) 0.75)))
(let [s (continue s
(set-attribute :volume 81))
piano (get-instrument s "piano")]
(is (== (:volume piano) 0.81))))))
(deftest panning-tests
(testing "panning"
(let [s (score (part "piano"))
piano (get-instrument s "piano")]
(is (== (:panning piano) 0.5))
(let [s (continue s
(panning 25))
piano (get-instrument s "piano")]
(is (== (:panning piano) 0.25)))
(let [s (continue s
(panning 75))
piano (get-instrument s "piano")]
(is (== (:panning piano) 0.75)))
(let [s (continue s
(set-attribute :panning 81))
piano (get-instrument s "piano")]
(is (== (:panning piano) 0.81))))))
(deftest quantization-tests
(testing "quantization"
(let [s (score (part "piano"))
piano (get-instrument s "piano")]
(is (== (:quantization piano) 0.9))
(let [s (continue s
(quant 50))
piano (get-instrument s "piano")]
(is (== (:quantization piano) 0.50)))
(let [s (continue s
(quantize 75))
piano (get-instrument s "piano")]
(is (== (:quantization piano) 0.75)))
(let [s (continue s
(quantization 9001))
piano (get-instrument s "piano")]
(is (== (:quantization piano) 90.01)))
(let [s (continue s
(set-attribute :quant 81))
piano (get-instrument s "piano")]
(is (== (:quantization piano) 0.81)))
(let [s (continue s
(set-attribute :quantize 82))
piano (get-instrument s "piano")]
(is (== (:quantization piano) 0.82)))
(let [s (continue s
(set-attribute :quantization 83))
piano (get-instrument s "piano")]
(is (== (:quantization piano) 0.83))))))
(deftest note-length-tests
(testing "note-length"
(let [s (score (part "piano"))
piano (get-instrument s "piano")]
; default note length is a quarter note (1 beat)
(is (== (:beats (:duration piano)) 1))
(let [s (continue s
(set-duration (note-length 2 {:dots 2})))
piano (get-instrument s "piano")]
(is (== (:beats (:duration piano)) 3.5)))
(let [s (continue s
(set-note-length 1))
piano (get-instrument s "piano")]
(is (== (:beats (:duration piano)) 4)))
(let [s (continue s
(set-note-length "2.."))
piano (get-instrument s "piano")]
(is (== (:beats (:duration piano)) 3.5)))
(let [s (continue s
(note (pitch :c)
(duration (note-length 1) (note-length 1))))
piano (get-instrument s "piano")]
(is (== (:beats (:duration piano)) 8))))))
(deftest tempo-tests
(testing "tempo"
;; test different representations of tempo
(is (== (:val (tempo 60))
(:val (tempo 2 30))
(:val (tempo "4." 40))
(:val (tempo "8.~16~4" 30))))
(let [s (score (part "piano"))
piano (get-instrument s "piano")]
;; default tempo is 120
(is (== (:tempo piano) 120))
(let [s (continue s
(tempo 60))
piano (get-instrument s "piano")]
(is (== (:tempo piano) 60)))))
(testing "metric-modulation"
(let [s (score (part "piano"))
;; ratio of (half : dotted quarter) = 4/3
;; (* 120 = 160)
s (continue s
(metric-modulation "4." 2))
piano (get-instrument s "piano")]
(is (== (:tempo piano) 160))
(let [s (continue s
(tempo 60)
(metric-modulation 4 8))
piano (get-instrument s "piano")]
(is (== (:tempo piano) 30))))))