Manuel Bustillo
91bbae1c63
All checks were successful
Check usage of free licenses / check-licenses (pull_request) Successful in 59s
Add copyright notice / copyright_notice (pull_request) Successful in 2m21s
Run unit tests / unit_tests (pull_request) Successful in 3m2s
Build Nginx-based docker image / build-static-assets (pull_request) Successful in 25m17s
90 lines
3.1 KiB
Ruby
90 lines
3.1 KiB
Ruby
# Copyright (C) 2024 Manuel Bustillo
|
|
|
|
# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
|
|
|
|
# frozen_string_literal: true
|
|
|
|
require 'rails_helper'
|
|
|
|
module Tables
|
|
RSpec.describe Swap do
|
|
describe '#each' do
|
|
let(:swaps) do
|
|
acc = []
|
|
described_class.new(initial_solution).each do |solution| # rubocop:disable Style/MapIntoArray -- #map is not implemented
|
|
acc << solution.tables.map(&:dup)
|
|
end
|
|
acc
|
|
end
|
|
|
|
context 'when there are two tables with two people each' do
|
|
let(:initial_solution) do
|
|
Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
|
|
distribution.tables << Set[:a, :b].to_table
|
|
distribution.tables << Set[:c, :d].to_table
|
|
end
|
|
end
|
|
|
|
it 'yields all possible swaps between the tables' do
|
|
expect(swaps).to contain_exactly(
|
|
[Set[:a, :d], Set[:c, :b]],
|
|
[Set[:b, :c], Set[:d, :a]],
|
|
[Set[:a, :c], Set[:d, :b]],
|
|
[Set[:b, :d], Set[:c, :a]]
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'when there are two tables with three people each' do
|
|
let(:initial_solution) do
|
|
Distribution.new(min_per_table: 3, max_per_table: 3).tap do |distribution|
|
|
distribution.tables << Set[:a, :b, :c].to_table
|
|
distribution.tables << Set[:d, :e, :f].to_table
|
|
end
|
|
end
|
|
|
|
it 'yields all possible swaps between the tables' do
|
|
expect(swaps).to contain_exactly(
|
|
[Set[:b, :c, :d], Set[:e, :f, :a]],
|
|
[Set[:b, :c, :e], Set[:f, :d, :a]],
|
|
[Set[:b, :c, :f], Set[:d, :e, :a]],
|
|
[Set[:c, :a, :d], Set[:e, :f, :b]],
|
|
[Set[:c, :a, :e], Set[:f, :d, :b]],
|
|
[Set[:c, :a, :f], Set[:d, :e, :b]],
|
|
[Set[:a, :b, :d], Set[:e, :f, :c]],
|
|
[Set[:a, :b, :e], Set[:f, :d, :c]],
|
|
[Set[:a, :b, :f], Set[:d, :e, :c]]
|
|
)
|
|
end
|
|
end
|
|
|
|
context 'when there are three tables with two people each' do
|
|
let(:initial_solution) do
|
|
Distribution.new(min_per_table: 2, max_per_table: 2).tap do |distribution|
|
|
distribution.tables << Set[:a, :b].to_table
|
|
distribution.tables << Set[:c, :d].to_table
|
|
distribution.tables << Set[:e, :f].to_table
|
|
end
|
|
end
|
|
|
|
it 'yields all possible swaps between the tables' do
|
|
expect(swaps).to contain_exactly(
|
|
[Set[:b, :c], Set[:d, :a], Set[:e, :f]],
|
|
[Set[:b, :d], Set[:c, :a], Set[:e, :f]],
|
|
[Set[:a, :c], Set[:d, :b], Set[:e, :f]],
|
|
[Set[:a, :d], Set[:c, :b], Set[:e, :f]],
|
|
[Set[:b, :e], Set[:c, :d], Set[:f, :a]],
|
|
[Set[:b, :f], Set[:c, :d], Set[:e, :a]],
|
|
[Set[:a, :e], Set[:c, :d], Set[:f, :b]],
|
|
[Set[:a, :f], Set[:c, :d], Set[:e, :b]],
|
|
[Set[:a, :b], Set[:d, :e], Set[:f, :c]],
|
|
[Set[:a, :b], Set[:d, :f], Set[:e, :c]],
|
|
[Set[:a, :b], Set[:c, :e], Set[:f, :d]],
|
|
[Set[:a, :b], Set[:c, :f], Set[:e, :d]]
|
|
)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|