require "spec_helper"
require "ruby_ext/module"
require 'ruby_ext/multiple_inheritance'

describe "Module" do
  after :each do
    remove_constants %w(
      A X Y Z
      InheritableAccessorForModule
      InheritableAccessorForClass
      InheritableAccessor
      InheritableAccessorBase
      InheritableAccessorA
      InheritableAccessorB
    )
  end
  
  it "Namespace" do
    class A
      class B
        class C

        end
      end
    end
    
    File.namespace.should == nil
    A::B::C.namespace.should == A::B
  end
  
  # class AnonymousClass
  #   class << self
  #     def anonymous_name
  #       self.name
  #     end
  #   end
  # end  
  
  it "name" do
    class A
      class B
        class C

        end
      end
    end
    
    A::B::C.name.should == "A::B::C"
  end
  
  it "each_ancestor" do
    class X; end
    class Y < X; end
    class Z < Y; end
    
    list = []
    Z.each_ancestor{|a| list << a}
    list.should include Y
    list.should include X
    list.should_not include Z
    list.should_not include Object
    list.should_not include Kernel
    
    list = []
    Z.each_ancestor(true){|a| list << a}
    list.should include Y
    list.should include X
    list.should_not include Z
    list.should include Object
    list.should include Kernel
  end
  
  it "each_namespace" do
    class A
      class B
        class C

        end
      end
    end
    
    list = []
    A::B::C.each_namespace{|n| list << n}
    list.should == [A::B, A]
  end
  
  it "is?" do
    File.is?(IO).should be_true
  end
  
  class WrapMethod
    def method_name value
      10*value
    end
  end
  
  it "wrap_method" do
    WrapMethod.wrap_method :method_name do |old, value|
      send(old, value)*value
    end
    WrapMethod.new.method_name(10).should == 1000
  end  
  
  it "escape_method" do
    Object.escape_method("><=?")
  end
  
  it "inheritable_accessor" do
    module InheritableAccessorForModule
      module ClassMethods
        inheritable_accessor :callbacks, [:set_user]
        inheritable_accessor :layout, "for_module"
      end
    end
    
    class InheritableAccessorForClass
      class << self
        inheritable_accessor :callbacks2, []      
        inheritable_accessor :layout2, "for_class"  
      end
      callbacks2 << :set_user      
    end
    
    class InheritableAccessor < InheritableAccessorForClass
      inherit InheritableAccessorForModule
      callbacks << :set_model
      callbacks2 << :set_model     
      self.layout2 = "anoter_layout" 
    end    
    
    InheritableAccessorForClass.callbacks2.should == [:set_user]
    InheritableAccessor.callbacks.should == [:set_user, :set_model]
    InheritableAccessor.callbacks2.should == [:set_user, :set_model]
    
    InheritableAccessorForClass.layout2.should == "for_class"
    InheritableAccessor.layout2.should == "anoter_layout"
    InheritableAccessor.layout.should == "for_module"
  end
  
  it "inheritable_accessor (from error)" do
    module InheritableAccessorBase
      module ClassMethods
        inheritable_accessor :callbacks, []
      end
    end
    
    class InheritableAccessorA
      inherit InheritableAccessorBase
      callbacks << :a
    end
    
    class InheritableAccessorB
      inherit InheritableAccessorBase
      callbacks << :b
    end
    
    InheritableAccessorA.callbacks.should == [:a]
    InheritableAccessorB.callbacks.should == [:b]
  end
end