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
|
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Module#attr_writer" do
it "creates a setter for each given attribute name" do
c = Class.new do
attr_writer :test1, "test2"
end
o = c.new
o.respond_to?("test1").should == false
o.respond_to?("test2").should == false
o.respond_to?("test1=").should == true
o.test1 = "test_1"
o.instance_variable_get(:@test1).should == "test_1"
o.respond_to?("test2=").should == true
o.test2 = "test_2"
o.instance_variable_get(:@test2).should == "test_2"
o.send(:test1=,"test_1 updated")
o.instance_variable_get(:@test1).should == "test_1 updated"
o.send(:test2=,"test_2 updated")
o.instance_variable_get(:@test2).should == "test_2 updated"
end
it "allows for adding an attr_writer to an immediate" do
class TrueClass
attr_writer :spec_attr_writer
end
true.spec_attr_writer = "a"
true.instance_variable_get("@spec_attr_writer").should == "a"
end
ruby_version_is ""..."1.9" do
not_compliant_on :rubinius do
it "creates a setter for an attribute name given as a Fixnum" do
c = Class.new do
attr_writer :test1.to_i
end
o = c.new
o.respond_to?("test1").should == false
o.respond_to?("test1=").should == true
o.test1 = "test_1"
o.instance_variable_get(:@test1).should == "test_1"
end
end
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_writer o
end
c.new.respond_to?("test").should == false
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('test1')
lambda { Class.new { attr_writer o } }.should raise_error(TypeError)
(o = mock('123')).should_receive(:to_str).and_return(123)
lambda { Class.new { attr_writer o } }.should raise_error(TypeError)
end
it "applies current visibility to methods created" do
c = Class.new do
protected
attr_writer :foo
end
lambda { c.new.foo=1 }.should raise_error(NoMethodError)
end
it "is a private method" do
lambda { Class.new.attr_writer(:foo) }.should raise_error(NoMethodError)
end
end
|
