Method: Spec::Rails::Mocks#mock_model

Defined in:
lib/spec/rails/mocks.rb

#mock_model(model_class, options_and_stubs = {}) {|m| ... } ⇒ Object

Creates a mock object instance for a model_class with common methods stubbed out. Additional methods may be easily stubbed (via add_stubs) if stubs is passed.

Yields:

  • (m) 


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# File 'lib/spec/rails/mocks.rb', line 11

def mock_model(model_class, options_and_stubs = {})
  id = options_and_stubs[:id] || next_id
  options_and_stubs = options_and_stubs.reverse_merge({
    :id => id,
    :to_param => id.to_s,
    :new_record? => false,
    :errors => stub("errors", :count => 0)
  })
  m = mock("#{model_class.name}_#{id}", options_and_stubs)
  m.__send__(:__mock_proxy).instance_eval <<-CODE
    def @target.as_new_record
      self.stub!(:id).and_return nil
      self.stub!(:to_param).and_return nil
      self.stub!(:new_record?).and_return true
      self
    end
    def @target.is_a?(other)
      #{model_class}.ancestors.include?(other)
    end
    def @target.kind_of?(other)
      #{model_class}.ancestors.include?(other)
    end
    def @target.instance_of?(other)
      other == #{model_class}
    end
    def @target.class
      #{model_class}
    end
  CODE
  yield m if block_given?
  m
end