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27 lines
794 B
Ruby
27 lines
794 B
Ruby
# frozen_string_literal: true
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require 'rails_helper'
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describe CachedAbility do
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subject(:cached) { described_class.new(ability) }
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let(:ability) { instance_double(Ability) }
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let(:planting) { create(:planting) }
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it 'gives the answer of the ability it wraps' do
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allow(ability).to receive(:can?).with(:edit, planting).and_return(true)
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expect(cached.can?(:edit, planting)).to be true
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end
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it 'asks the ability a question only once' do
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allow(ability).to receive(:can?).and_return(false)
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2.times { cached.can?(:edit, planting) }
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expect(ability).to have_received(:can?).once
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end
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it 'remembers a no as well as a yes' do
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allow(ability).to receive(:can?).and_return(false)
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expect(2.times.map { cached.can?(:edit, planting) }).to eq [false, false]
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end
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end
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