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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Module#to_s" do
it 'returns the name of the module if it has a name' do
Enumerable.to_s.should == 'Enumerable'
String.to_s.should == 'String'
end
it "returns the full constant path leading to the module" do
ModuleSpecs::LookupMod.to_s.should == "ModuleSpecs::LookupMod"
end
it "works with an anonymous module" do
m = Module.new
m.to_s.should =~ /\A#<Module:0x\h+>\z/
end
it "works with an anonymous class" do
c = Class.new
c.to_s.should =~ /\A#<Class:0x\h+>\z/
end
it 'for the singleton class of an object of an anonymous class' do
klass = Class.new
obj = klass.new
sclass = obj.singleton_class
sclass.to_s.should == "#<Class:#{obj}>"
sclass.to_s.should =~ /\A#<Class:#<#{klass}:0x\h+>>\z/
sclass.to_s.should =~ /\A#<Class:#<#<Class:0x\h+>:0x\h+>>\z/
end
it 'for a singleton class of a module includes the module name' do
ModuleSpecs.singleton_class.to_s.should == '#<Class:ModuleSpecs>'
end
it 'for a metaclass includes the class name' do
ModuleSpecs::NamedClass.singleton_class.to_s.should == '#<Class:ModuleSpecs::NamedClass>'
end
it 'for objects includes class name and object ID' do
obj = ModuleSpecs::NamedClass.new
obj.singleton_class.to_s.should =~ /\A#<Class:#<ModuleSpecs::NamedClass:0x\h+>>\z/
end
it "always show the refinement name, even if the module is named" do
module ModuleSpecs::RefinementInspect
R = refine String do
end
end
ModuleSpecs::RefinementInspect::R.name.should == 'ModuleSpecs::RefinementInspect::R'
ModuleSpecs::RefinementInspect::R.to_s.should == '#<refinement:String@ModuleSpecs::RefinementInspect>'
end
it 'does not call #inspect or #to_s for singleton classes' do
klass = Class.new
obj = klass.new
def obj.to_s
"to_s"
end
def obj.inspect
"inspect"
end
sclass = obj.singleton_class
sclass.to_s.should =~ /\A#<Class:#<#{Regexp.escape klass.to_s}:0x\h+>>\z/
end
end
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