require_relative '../../spec_helper' require_relative 'fixtures/classes' describe "Module#attr" do before :each do $VERBOSE, @verbose = false, $VERBOSE end after :each do $VERBOSE = @verbose end 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 writable 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 -> { c.new.foo }.should raise_error(NoMethodError) -> { c.new.foo=1 }.should raise_error(NoMethodError) end 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 -> { c.new.foo }.should raise_error(NoMethodError) -> { c.new.bar }.should raise_error(NoMethodError) end it "converts non string/symbol 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') -> { Class.new { attr o } }.should raise_error(TypeError) (o = mock('123')).should_receive(:to_str).and_return(123) -> { Class.new { attr o } }.should raise_error(TypeError) end it "with a boolean argument emits a warning when $VERBOSE is true" do -> { Class.new { attr :foo, true } }.should complain(/boolean argument is obsoleted/, verbose: true) end it "is a public method" do Module.should have_public_instance_method(:attr, false) end ruby_version_is ""..."3.0" do it "returns nil" do Class.new do (attr :foo, 'bar').should == nil (attr :baz, false).should == nil (attr :qux, true).should == nil end end end ruby_version_is "3.0" do it "returns an array of defined method names as symbols" do Class.new do (attr :foo, 'bar').should == [:foo, :bar] (attr :baz, false).should == [:baz] (attr :qux, true).should == [:qux, :qux=] end end end end