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
|
import do_setup, do_teardown, invoke_op from require 'spec.test_setup'
import PureOp, Input, T, sig, any from require 'alv.base'
import RTNode from require 'alv'
setup do_setup
teardown do_teardown
class TestPureOp extends PureOp
pattern: (any.num / sig.str)*3
type: T.num
tick: => @out\set 1
literal = (result) ->
eval: ->
si = T.num\mk_sig!
RTNode :result, side_inputs: { [si]: Input.hot si }
describe 'PureOp', ->
it 'matches the pattern', ->
assert.has.error -> invoke_op TestPureOp, {}
assert.has.error -> invoke_op TestPureOp, { literal T.bool\mk_evt! }
invoke_op TestPureOp, { literal T.num\mk_const 1 }
invoke_op TestPureOp, { literal T.str\mk_const 'hello' }
invoke_op TestPureOp, { literal T.num\mk_evt! }
describe 'with constant inputs', ->
local rtn
it 'ticks once', ->
tiq = spy.on TestPureOp.__base, 'tick'
rtn = invoke_op TestPureOp, { T.num\mk_const(1), T.str\mk_const('hello') }
assert.spy(tiq).was_called_with match.is_ref(rtn.op), true
assert.is.equal 1, rtn.result!
it 'is constant', ->
assert.is.equal '=', rtn\metatype!
describe 'with signal inputs', ->
a = T.num\mk_sig 1
b = T.num\mk_sig 2
c = T.num\mk_sig 3
tiq = spy.on TestPureOp.__base, 'tick'
rtn = invoke_op TestPureOp, { (literal a), (literal b), (literal c) }
op = rtn.op
it 'sets up hot inputs', ->
assert.is.equal 3, #op.inputs
assert.is.equal a, op.inputs[1].result
assert.is.equal b, op.inputs[2].result
assert.is.equal c, op.inputs[3].result
assert.is.equal 'hot', op.inputs[1].mode
assert.is.equal 'hot', op.inputs[2].mode
assert.is.equal 'hot', op.inputs[3].mode
assert.spy(tiq).was_called!
it 'has signal output', ->
assert.is.equal '~', op.out.metatype
describe 'with event inputs', ->
a = T.num\mk_sig 1
b = T.num\mk_evt 2
c = T.num\mk_sig 3
tiq = spy.on TestPureOp.__base, 'tick'
rtn = invoke_op TestPureOp, { (literal a), (literal b), (literal c) }
op = rtn.op
it 'sets up hot input only for evt', ->
assert.is.equal 3, #op.inputs
assert.is.equal a, op.inputs[1].result
assert.is.equal b, op.inputs[2].result
assert.is.equal c, op.inputs[3].result
assert.is.equal 'cold', op.inputs[1].mode
assert.is.equal 'hot', op.inputs[2].mode
assert.is.equal 'cold', op.inputs[3].mode
assert.spy(tiq).was_not_called!
it 'has event output', ->
assert.is.equal '!', op.out.metatype
it 'only allows one event input', ->
a, b = T.num\mk_evt!, T.num\mk_evt!
assert.has.error -> invoke_op TestPureOp, { (literal a), (literal b) }
it 'supports nested input patterns', ->
class NestedInputOp extends PureOp
pattern: (any.num + sig.str)\named('a', 'b')\rep 2, 2
type: T.num
tick: => @out\set 1
num = T.num\mk_sig 1
str = T.str\mk_sig 'hello'
oth = T.num\mk_evt 2
args = { (literal num), (literal str), (literal oth), (literal str) }
rtn = invoke_op NestedInputOp, args
op = rtn.op
assert.is.equal 2, #op.inputs
assert.is.equal num, op.inputs[1].a.result
assert.is.equal str, op.inputs[1].b.result
assert.is.equal oth, op.inputs[2].a.result
assert.is.equal str, op.inputs[2].b.result
assert.is.equal 'cold', op.inputs[1].a.mode
assert.is.equal 'cold', op.inputs[1].b.mode
assert.is.equal 'hot', op.inputs[2].a.mode
assert.is.equal 'cold', op.inputs[2].b.mode
it 'supports dynamically generating the output type', ->
class DynamicOp extends PureOp
pattern: sig.num + any!
type: (inputs) => inputs[2]\type!
tick: => @out\set @inputs[2]!
typ = spy.on DynamicOp, 'type'
a = T.num\mk_sig 1
num = T.num\mk_sig 1
str = T.str\mk_sig 1
sym = T.sym\mk_evt 1
rtn = invoke_op DynamicOp, { (literal a), (literal num) }
assert.is.equal '~', rtn.result.metatype
assert.is.equal num, rtn.result
rtn = invoke_op DynamicOp, { (literal a), (literal str) }
assert.is.equal '~', rtn.result.metatype
assert.is.equal str, rtn.result
rtn = invoke_op DynamicOp, { (literal a), (literal sym) }
assert.is.equal '!', rtn.result.metatype
assert.is.equal T.sym, rtn.result.type
|