Contents

require 'spec_helper'

shared_examples_for 'a nested model' do

  # clazz must be defined by the calling file

  let(:nested_model) { clazz.new }


  it 'has a parent model' do
    expect(nested_model).to respond_to(:parent_model)
  end

  it 'can change its parent model' do
    expect(nested_model).to respond_to(:parent_model=)

    nested_model.parent_model = :some_parent_model
    expect(nested_model.parent_model).to eq(:some_parent_model)
    nested_model.parent_model = :some_other_parent_model
    expect(nested_model.parent_model).to eq(:some_other_parent_model)
  end


  describe 'abstract instantiation' do

    context 'a new nested object' do

      let(:nested_model) { clazz.new }


      it 'starts with no parent model' do
        expect(nested_model.parent_model).to be_nil
      end

    end

  end

  it 'has access to its ancestors' do
    expect(nested_model).to respond_to(:get_ancestor)
  end

  it 'gets an ancestor based on type' do
    expect(clazz.instance_method(:get_ancestor).arity).to eq(1)
  end

  it 'raises and exception if an unknown ancestor type is requested' do
    expect { nested_model.get_ancestor(:bad_ancestor_type) }.to raise_exception(ArgumentError)
  end

end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
cuke_modeler-1.0.1	spec/unit/shared/nested_models_unit_specs.rb
cuke_modeler-1.0.0	spec/unit/shared/nested_models_unit_specs.rb