48 lines
1.0 KiB
Ruby
48 lines
1.0 KiB
Ruby
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require 'spec_helper'
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describe 'null object with a custom base class' do
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subject(:null) { custom_base_null_class.new }
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let(:custom_base_null_class) do
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Naught.build do |b|
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b.base_class = Object
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end
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end
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it 'respond to base class methods' do
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expect(null.methods).to be_an Array
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end
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it 'respond to unknown methods' do
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expect(null.foo).to be_nil
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end
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it 'exposes the default base class choice, for the curious' do
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default_base_class = :not_set
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Naught.build do |b|
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default_base_class = b.base_class
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end
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expect(default_base_class).to eq(Naught::BasicObject)
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end
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describe 'singleton null object' do
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subject(:null_instance) { custom_base_singleton_null_class.instance }
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let(:custom_base_singleton_null_class) do
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Naught.build do |b|
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b.singleton
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b.base_class = Object
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end
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end
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it 'can be cloned' do
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expect(null_instance.clone).to be(null_instance)
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end
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it 'can be duplicated' do
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expect(null_instance.dup).to be(null_instance)
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end
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end
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end
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