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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Module#attr" do
it "creates a getter for the given attribute name" do
c = Class.new do
attr :attr
attr "attr3"
def initialize
@attr, @attr2, @attr3 = "test", "test2", "test3"
end
end
o = c.new
%w{attr attr3}.each do |a|
o.respond_to?(a).should == true
o.respond_to?("#{a}=").should == false
end
o.attr.should == "test"
o.attr3.should == "test3"
o.send(:attr).should == "test"
o.send(:attr3).should == "test3"
end
it "creates a setter for the given attribute name if writable is true" do
c = Class.new do
attr :attr, true
attr "attr3", true
def initialize
@attr, @attr2, @attr3 = "test", "test2", "test3"
end
end
o = c.new
%w{attr attr3}.each do |a|
o.respond_to?(a).should == true
o.respond_to?("#{a}=").should == true
end
o.attr = "test updated"
o.attr3 = "test3 updated"
end
it "creates a getter and setter for the given attribute name if called with and without writeable is true" do
c = Class.new do
attr :attr, true
attr :attr
attr "attr3", true
attr "attr3"
def initialize
@attr, @attr2, @attr3 = "test", "test2", "test3"
end
end
o = c.new
%w{attr attr3}.each do |a|
o.respond_to?(a).should == true
o.respond_to?("#{a}=").should == true
end
o.attr.should == "test"
o.attr = "test updated"
o.attr.should == "test updated"
o.attr3.should == "test3"
o.attr3 = "test3 updated"
o.attr3.should == "test3 updated"
end
it "applies current visibility to methods created" do
c = Class.new do
protected
attr :foo, true
end
lambda { c.new.foo }.should raise_error(NoMethodError)
lambda { c.new.foo=1 }.should raise_error(NoMethodError)
end
ruby_version_is "1.9" do
it "creates a getter but no setter for all given attribute names" do
c = Class.new do
attr :attr, "attr2", "attr3"
def initialize
@attr, @attr2, @attr3 = "test", "test2", "test3"
end
end
o = c.new
%w{attr attr2 attr3}.each do |a|
o.respond_to?(a).should == true
o.respond_to?("#{a}=").should == false
end
o.attr.should == "test"
o.attr2.should == "test2"
o.attr3.should == "test3"
end
it "applies current visibility to methods created" do
c = Class.new do
protected
attr :foo, :bar
end
lambda { c.new.foo }.should raise_error(NoMethodError)
lambda { c.new.bar }.should raise_error(NoMethodError)
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")
Class.new { attr o }.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 o } }.should raise_error(TypeError)
(o = mock('123')).should_receive(:to_str).and_return(123)
lambda { Class.new { attr o } }.should raise_error(TypeError)
end
it "is a private method" do
lambda { Class.new.attr(:foo) }.should raise_error(NoMethodError)
end
end
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