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
|
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Module#attr_accessor" do
it "creates a getter and setter for each given attribute name" do
c = Class.new do
attr_accessor :a, "b"
end
o = c.new
['a','b'].each do |x|
o.respond_to?(x).should == true
o.respond_to?("#{x}=").should == true
end
o.a = "a"
o.a.should == "a"
o.b = "b"
o.b.should == "b"
o.a = o.b = nil
o.send(:a=,"a")
o.send(:a).should == "a"
o.send(:b=, "b")
o.send(:b).should == "b"
end
it "allows creating an attr_accessor on an immediate class" do
class TrueClass
attr_accessor :spec_attr_accessor
end
true.spec_attr_accessor = "a"
true.spec_attr_accessor.should == "a"
end
it "converts non string/symbol/fixnum names to strings using to_str" do
(o = mock('test')).should_receive(:to_str).any_number_of_times.and_return("test")
c = Class.new do
attr_accessor o
end
c.new.respond_to?("test").should == true
c.new.respond_to?("test=").should == true
end
it "raises a TypeError when the given names can't be converted to strings using to_str" do
o = mock('o')
lambda { Class.new { attr_accessor o } }.should raise_error(TypeError)
(o = mock('123')).should_receive(:to_str).and_return(123)
lambda { Class.new { attr_accessor o } }.should raise_error(TypeError)
end
it "applies current visibility to methods created" do
c = Class.new do
protected
attr_accessor :foo
end
lambda { c.new.foo }.should raise_error(NoMethodError)
lambda { c.new.foo=1 }.should raise_error(NoMethodError)
end
it "is a private method" do
lambda { Class.new.attr_accessor(:foo) }.should raise_error(NoMethodError)
end
describe "on immediates" do
before :each do
class Fixnum
attr_accessor :foobar
end
end
after :each do
if Fixnum.method_defined?(:foobar)
Fixnum.send(:remove_method, :foobar)
end
if Fixnum.method_defined?(:foobar=)
Fixnum.send(:remove_method, :foobar=)
end
end
it "can read through the accessor" do
1.foobar.should be_nil
end
# On Ruby 2.0 immediates are always frozen, so setting fails.
ruby_version_is ""..."2.0" do
it "can set a value through the accessor" do
1.foobar = 2
1.foobar.should == 2
end
end
end
end
|
