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Versions: 52
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Module#attr_reader" do
it "creates a getter for each given attribute name" do
c = Class.new do
attr_reader :a, "b"
def initialize
@a = "test"
@b = "test2"
end
end
o = c.new
%w{a b}.each do |x|
o.respond_to?(x).should == true
o.respond_to?("#{x}=").should == false
end
o.a.should == "test"
o.b.should == "test2"
o.send(:a).should == "test"
o.send(:b).should == "test2"
end
it "allows for adding an attr_reader to an immediate" do
class Integer
attr_reader :spec_attr_reader
end
1.instance_variable_set("@spec_attr_reader", "a")
1.spec_attr_reader.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_reader o
end
c.new.respond_to?("test").should == true
c.new.respond_to?("test=").should == false
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_reader o } }.should raise_error(TypeError)
(o = mock('123')).should_receive(:to_str).and_return(123)
lambda { Class.new { attr_reader o } }.should raise_error(TypeError)
end
it "applies current visibility to methods created" do
c = Class.new do
protected
attr_reader :foo
end
lambda { c.new.foo }.should raise_error(NoMethodError)
end
end
Version data entries
52 entries across 52 versions & 2 rubygems