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
|
module RSpec
module Matchers
[:be_a_kind_of, :be_kind_of].each do |method|
RSpec.describe "expect(actual).to #{method}(expected)" do
it_behaves_like "an RSpec value matcher", :valid_value => 5, :invalid_value => "a" do
let(:matcher) { send(method, Integer) }
end
it "passes if actual is instance of expected class" do
expect("string").to send(method, String)
end
it "passes if actual is instance of subclass of expected class" do
expect(5).to send(method, Numeric)
end
it "fails with failure message for should unless actual is kind of expected class" do
expect {
expect("foo").to send(method, Array)
}.to fail_with('expected "foo" to be a kind of Array')
end
it "provides a description" do
matcher = be_a_kind_of(String)
matcher.matches?("this")
expect(matcher.description).to eq "be a kind of String"
end
context "when the actual object does not respond to #kind_of? method" do
let(:actual_object) do
Class.new { undef_method :kind_of? }.new
end
it "raises ArgumentError" do
message = "The be_a_kind_of matcher requires that " \
"the actual object responds to #kind_of? method " \
"but a `NoMethodError` was encountered instead."
expect {
expect(actual_object).to send(method, actual_object.class)
}.to raise_error ::ArgumentError, message
expect {
expect(actual_object).to send(method, Object)
}.to raise_error ::ArgumentError, message
end
end
context "when the actual object does not respond to #is_a? method" do
let(:actual_object) do
Class.new { undef_method :is_a? }.new
end
it "provides correct result" do
expect(actual_object).to send(method, actual_object.class)
expect(actual_object).to send(method, Object)
end
end
end
RSpec.describe "expect(actual).not_to #{method}(expected)" do
it "fails with failure message for should_not if actual is kind of expected class" do
expect {
expect("foo").not_to send(method, String)
}.to fail_with('expected "foo" not to be a kind of String')
end
context "when the actual object does not respond to #kind_of? method" do
let(:actual_object) do
Class.new { undef_method :kind_of? }.new
end
it "raises ArgumentError" do
message = "The be_a_kind_of matcher requires that " \
"the actual object responds to #kind_of? method " \
"but a `NoMethodError` was encountered instead."
expect {
expect(actual_object).not_to send(method, String)
}.to raise_error ArgumentError, message
end
end
context "when the actual object does not respond to #is_a? method" do
let(:actual_object) do
Class.new { undef_method :is_a? }.new
end
it "provides correct result" do
expect(actual_object).not_to send(method, String)
end
end
end
end
end
end
|
