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
|
RSpec.shared_examples "a basic configuration" do
subject(:config) do
Class.new(described_class) do
option_accessor :use_test, type: Contracts::Bool,
default: false
end.new
end
it { expect(config).not_to be_nil }
describe ".option_reader" do
subject(:config) { config_klass.new }
let(:config_klass) { Class.new(described_class) }
before do
config_klass.option_reader :new_opt, type: Contracts::Num,
default: 1
end
context "when value is read" do
it { expect(config.new_opt).to eq 1 }
end
context "when one tries to write a value" do
it { expect { config.new_opt = 1 }.to raise_error NoMethodError }
end
context "when block is defined" do
before do
config_klass.option_reader(
:new_opt2,
type: Contracts::Num
) { |c| c.new_opt.value + 1 }
end
it "uses the block to set the value" do
expect(config.new_opt2).to eq 2
end
end
context "when block and default value is defined" do
it "complains that only one or the other can be specified" do
expect do
config_klass
.option_accessor(:new_opt2, type: Contracts::Num,
default: 2) { |c| c.new_opt.value + 1 }
end.to raise_error ArgumentError, "Either use block or default value"
end
end
end
describe ".option_accessor" do
subject(:config) { config_klass.new }
let(:config_klass) { Class.new(described_class) }
before do
config_klass.option_accessor :new_opt, type: Contracts::Num,
default: 1
end
context "when default is used" do
it { expect(config.new_opt).to eq 1 }
end
context "when is modified" do
before { config.new_opt = 2 }
it { expect(config.new_opt).to eq 2 }
end
context "when block is defined" do
before do
config_klass.option_accessor(
:new_opt2, type: Contracts::Num
) do |c|
c.new_opt.value + 1
end
end
it "uses the block to set the default value" do
expect(config.new_opt2).to eq 2
end
end
context "when block and default value is defined" do
it "complains that only one or the other can be specified" do
expect do
config_klass.option_accessor(:new_opt2,
type: Contracts::Num,
default: 2) { |c| c.new_opt1 + 1 }
end.to raise_error ArgumentError, "Either use block or default value"
end
end
end
describe "option?" do
let(:name) { :use_test }
it "returns true when passed a valid option name" do
expect(config.option?(:use_test)).to be_truthy
end
it "returns false when passed an invalid option name" do
expect(config.option?(:blub)).to be_falsy
end
end
describe "set_if_option" do
let(:name) { :use_test }
let(:value) { true }
it "sets the option to the given value if a valid option name is passed" do
expect { config.set_if_option(:use_test, true) }
.to change(config, :use_test).from(false).to(true)
end
it "raises no error if an invalid option name is passed" do
expect { config.set_if_option(:blub, true) }.not_to raise_error
end
end
end
|
