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Diffstat (limited to 'spec/ruby/core/module/attr_spec.rb')
-rw-r--r-- | spec/ruby/core/module/attr_spec.rb | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/spec/ruby/core/module/attr_spec.rb b/spec/ruby/core/module/attr_spec.rb new file mode 100644 index 0000000000..9a469707a1 --- /dev/null +++ b/spec/ruby/core/module/attr_spec.rb @@ -0,0 +1,149 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +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 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 + + 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 + + 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 "with a boolean argument emits a warning when $VERBOSE is true" do + lambda { + $VERBOSE = true + Class.new { attr :foo, true } + }.should complain(/boolean argument is obsoleted/) + end + + it "is a private method" do + lambda { Class.new.attr(:foo) }.should raise_error(NoMethodError) + end +end |