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
|
# -*- coding: utf-8 -*-
require_relative 'helper'
describe(Delayer::Deferred::Promise) do
include TestUtils
before do
Delayer.default = Delayer.generate_class
@delayer = Delayer.generate_class
end
describe 'get instance' do
it 'default delayer' do
assert_instance_of Delayer::Deferred::Promise, Delayer::Deferred::Promise.new
end
it 'another delayer' do
promise = @delayer.Promise.new
assert_instance_of @delayer.Promise, promise
end
describe "with block" do
before do
@promise = @delayer.Promise.new{ ; }
end
it 'was generated' do
assert_kind_of Delayer::Deferred::Chain::Next, @promise
end
it "doesn't have child" do
refute @promise.has_child?
end
end
end
describe 'chain' do
before do
@promise = @delayer.Promise.new(true)
end
describe 'next' do
before do
@record = nil
@chain = @promise.next{|x| @record = x + 1 }
end
it 'should execute next block if called promise#call' do
val = rand(1000)
eval_all_events(@delayer) do
@promise.call(val)
end
assert_equal val + 1, @record, ->{ "next block did not executed.\n[[#{@chain.graph_draw}]]" }
end
it "shouldn't execute next block if called promise#fail" do
val = rand(1000)
eval_all_events(@delayer) do
@promise.fail(val)
end
refute_equal val + 1, @record, ->{ "next block did executed.\n[[#{@chain.graph_draw}]]" }
end
end
describe 'trap' do
before do
@record = nil
@chain = @promise.trap{|x| @record = x + 1 }
end
it 'should execute trap block if called promise#fail' do
val = rand(1000)
eval_all_events(@delayer) do
@promise.fail(val)
end
assert_equal val + 1, @record, ->{ "trap block did not executed.\n[[#{@chain.graph_draw}]]" }
end
it "shouldn't execute trap block if called promise#call" do
val = rand(1000)
eval_all_events(@delayer) do
@promise.call(val)
end
refute_equal val + 1, @record, ->{ "trap block did executed.\n[[#{@chain.graph_draw}]]" }
end
end
end
end
|
