ruby--ruby/spec/ruby/shared/basicobject/method_missing.rb

require_relative '../../spec_helper'
require_relative '../../fixtures/basicobject/method_missing'

describe :method_missing_defined_module, shared: true do
  describe "for a Module with #method_missing defined" do
    it "is not called when a defined method is called" do
      @object.method_public.should == :module_public_method
    end

    it "is called when a not defined method is called" do
      @object.not_defined_method.should == :module_method_missing
    end

    it "is called when a protected method is called" do
      @object.method_protected.should == :module_method_missing
    end

    it "is called when a private method is called" do
      @object.method_private.should == :module_method_missing
    end
  end
end

describe :method_missing_module, shared: true do
  describe "for a Module" do
    it "raises a NoMethodError when an undefined method is called" do
      lambda { @object.no_such_method }.should raise_error(NoMethodError)
    end

    it "raises a NoMethodError when a protected method is called" do
      lambda { @object.method_protected }.should raise_error(NoMethodError)
    end

    it "raises a NoMethodError when a private method is called" do
      lambda { @object.method_private }.should raise_error(NoMethodError)
    end
  end
end

describe :method_missing_defined_class, shared: true do
  describe "for a Class with #method_missing defined" do
    it "is not called when a defined method is called" do
      @object.method_public.should == :class_public_method
    end

    it "is called when an undefined method is called" do
      @object.no_such_method.should == :class_method_missing
    end

    it "is called when an protected method is called" do
      @object.method_protected.should == :class_method_missing
    end

    it "is called when an private method is called" do
      @object.method_private.should == :class_method_missing
    end
  end
end

describe :method_missing_class, shared: true do
  describe "for a Class" do
    it "raises a NoMethodError when an undefined method is called" do
      lambda { @object.no_such_method }.should raise_error(NoMethodError)
    end

    it "raises a NoMethodError when a protected method is called" do
      lambda { @object.method_protected }.should raise_error(NoMethodError)
    end

    it "raises a NoMethodError when a private method is called" do
      lambda { @object.method_private }.should raise_error(NoMethodError)
    end
  end
end

describe :method_missing_defined_instance, shared: true do
  describe "for an instance with #method_missing defined" do
    before :each do
      @instance = @object.new
    end

    it "is not called when a defined method is called" do
      @instance.method_public.should == :instance_public_method
    end

    it "is called when an undefined method is called" do
      @instance.no_such_method.should == :instance_method_missing
    end

    it "is called when an protected method is called" do
      @instance.method_protected.should == :instance_method_missing
    end

    it "is called when an private method is called" do
      @instance.method_private.should == :instance_method_missing
    end
  end
end

describe :method_missing_instance, shared: true do
  describe "for an instance" do
    it "raises a NoMethodError when an undefined method is called" do
      lambda { @object.new.no_such_method }.should raise_error(NoMethodError)
    end

    it "raises a NoMethodError when a protected method is called" do
      lambda { @object.new.method_protected }.should raise_error(NoMethodError)
    end

    it "raises a NoMethodError when a private method is called" do
      lambda { @object.new.method_private }.should raise_error(NoMethodError)
    end

    it 'sets the receiver of the raised NoMethodError' do
      obj = @object.new

      begin
        obj.method_private
      rescue NoMethodError => error
        (error.receiver == obj).should == true
      end
    end
  end
end