2018-03-04 10:09:32 -05:00
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require_relative '../../spec_helper'
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require_relative 'fixtures/classes'
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2017-05-07 08:04:49 -04:00
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describe "Module#attr" do
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before :each do
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$VERBOSE, @verbose = false, $VERBOSE
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end
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after :each do
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$VERBOSE = @verbose
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end
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it "creates a getter for the given attribute name" do
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c = Class.new do
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attr :attr
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attr "attr3"
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def initialize
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@attr, @attr2, @attr3 = "test", "test2", "test3"
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end
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end
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o = c.new
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%w{attr attr3}.each do |a|
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o.respond_to?(a).should == true
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o.respond_to?("#{a}=").should == false
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end
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o.attr.should == "test"
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o.attr3.should == "test3"
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o.send(:attr).should == "test"
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o.send(:attr3).should == "test3"
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end
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it "creates a setter for the given attribute name if writable is true" do
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c = Class.new do
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attr :attr, true
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attr "attr3", true
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def initialize
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@attr, @attr2, @attr3 = "test", "test2", "test3"
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end
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end
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o = c.new
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%w{attr attr3}.each do |a|
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o.respond_to?(a).should == true
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o.respond_to?("#{a}=").should == true
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end
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o.attr = "test updated"
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o.attr3 = "test3 updated"
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end
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2019-02-07 11:35:33 -05:00
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it "creates a getter and setter for the given attribute name if called with and without writable is true" do
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2017-05-07 08:04:49 -04:00
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c = Class.new do
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attr :attr, true
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attr :attr
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attr "attr3", true
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attr "attr3"
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def initialize
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@attr, @attr2, @attr3 = "test", "test2", "test3"
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end
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end
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o = c.new
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%w{attr attr3}.each do |a|
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o.respond_to?(a).should == true
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o.respond_to?("#{a}=").should == true
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end
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o.attr.should == "test"
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o.attr = "test updated"
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o.attr.should == "test updated"
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o.attr3.should == "test3"
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o.attr3 = "test3 updated"
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o.attr3.should == "test3 updated"
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end
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it "applies current visibility to methods created" do
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c = Class.new do
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protected
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attr :foo, true
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end
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2019-07-27 06:40:09 -04:00
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-> { c.new.foo }.should raise_error(NoMethodError)
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-> { c.new.foo=1 }.should raise_error(NoMethodError)
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2017-05-07 08:04:49 -04:00
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end
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it "creates a getter but no setter for all given attribute names" do
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c = Class.new do
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attr :attr, "attr2", "attr3"
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def initialize
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@attr, @attr2, @attr3 = "test", "test2", "test3"
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end
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end
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o = c.new
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%w{attr attr2 attr3}.each do |a|
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o.respond_to?(a).should == true
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o.respond_to?("#{a}=").should == false
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end
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o.attr.should == "test"
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o.attr2.should == "test2"
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o.attr3.should == "test3"
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end
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it "applies current visibility to methods created" do
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c = Class.new do
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protected
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attr :foo, :bar
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end
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2019-07-27 06:40:09 -04:00
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-> { c.new.foo }.should raise_error(NoMethodError)
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-> { c.new.bar }.should raise_error(NoMethodError)
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2017-05-07 08:04:49 -04:00
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end
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2020-12-20 10:20:06 -05:00
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it "converts non string/symbol names to strings using to_str" do
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2017-05-07 08:04:49 -04:00
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(o = mock('test')).should_receive(:to_str).any_number_of_times.and_return("test")
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Class.new { attr o }.new.respond_to?("test").should == true
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end
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it "raises a TypeError when the given names can't be converted to strings using to_str" do
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o = mock('o')
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2019-07-27 06:40:09 -04:00
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-> { Class.new { attr o } }.should raise_error(TypeError)
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2017-05-07 08:04:49 -04:00
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(o = mock('123')).should_receive(:to_str).and_return(123)
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2019-07-27 06:40:09 -04:00
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-> { Class.new { attr o } }.should raise_error(TypeError)
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2017-05-07 08:04:49 -04:00
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end
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it "with a boolean argument emits a warning when $VERBOSE is true" do
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2019-07-27 06:40:09 -04:00
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-> {
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2017-05-07 08:04:49 -04:00
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Class.new { attr :foo, true }
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2019-01-20 15:38:57 -05:00
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}.should complain(/boolean argument is obsoleted/, verbose: true)
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2017-05-07 08:04:49 -04:00
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end
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2020-02-08 05:43:27 -05:00
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it "is a public method" do
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Module.should have_public_instance_method(:attr, false)
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2017-05-07 08:04:49 -04:00
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end
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2020-12-18 13:11:35 -05:00
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2020-12-18 13:16:20 -05:00
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ruby_version_is ""..."3.0" do
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it "returns nil" do
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Class.new do
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(attr :foo, 'bar').should == nil
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(attr :baz, false).should == nil
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(attr :qux, true).should == nil
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end
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end
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end
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ruby_version_is "3.0" do
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2020-12-24 17:20:04 -05:00
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it "returns an array of defined method names as symbols" do
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2020-12-18 13:16:20 -05:00
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Class.new do
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(attr :foo, 'bar').should == [:foo, :bar]
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(attr :baz, false).should == [:baz]
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(attr :qux, true).should == [:qux, :qux=]
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end
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2020-12-18 13:11:35 -05:00
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end
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end
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2017-05-07 08:04:49 -04:00
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end
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