28 lines
1.0 KiB
Ruby
28 lines
1.0 KiB
Ruby
require 'rails_helper'
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module Tables
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RSpec.describe WheelSwap do
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context "when the solution has three tables" do
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let(:initial_solution) do
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Distribution.new(min_per_table: 3, max_per_table: 3).tap do |distribution|
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distribution.tables << Set[:a, :b, :c].to_table
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distribution.tables << Set[:d, :e, :f].to_table
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distribution.tables << Set[:g, :h, :i].to_table
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end
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end
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it "swaps a random guest from each table with a guest from another table", :aggregate_failures do
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result = described_class.new(initial_solution).call
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expect(result.tables.size).to eq(3)
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expect(result.tables.map(&:size)).to all(eq(3))
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expect(result.tables).not_to include(initial_solution.tables[0])
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expect(result.tables).not_to include(initial_solution.tables[1])
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expect(result.tables).not_to include(initial_solution.tables[2])
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expect(result.tables.map(&:to_a).flatten).to contain_exactly(*(:a..:i).to_a)
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end
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end
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end
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end |