32 lines
747 B
Ruby
32 lines
747 B
Ruby
require 'rails_helper'
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module Tables
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RSpec.describe Swap do
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describe '#each' do
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let(:initial_solution) do
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Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
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distribution.tables << %i[a b]
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distribution.tables << %i[c d]
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end
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end
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let(:swaps) do
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acc = []
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described_class.new(initial_solution).each do |solution|
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acc << solution.tables.map(&:dup)
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end
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acc
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end
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it 'yields all possible swaps between the tables' do
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expect(swaps).to contain_exactly(
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[%i[a d], %i[c b]],
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[%i[b c], %i[d a]],
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[%i[a c], %i[d b]],
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[%i[b d], %i[c a]]
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)
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end
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end
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end
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end
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