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Contents
# frozen_string_literal: true
require 'test_helper'
module Vedeu
describe Sentence do
let(:described) { Vedeu::Sentence }
let(:elements) { ['Hydrogen'] }
let(:label) { 'elements' }
describe '.construct' do
subject { described.construct(elements, label) }
context 'when there is one element' do
let(:elements) { ['Hydrogen'] }
it 'returns the element as a string' do
subject.must_equal('Hydrogen')
end
end
context 'when there are two elements' do
let(:elements) { %w(Hydrogen Helium) }
it "returns the elements joined with 'and'" do
subject.must_equal('Hydrogen and Helium')
end
end
context 'when there are more than two elements' do
let(:elements) { %w(Hydrogen Helium Lithium) }
it 'returns the elements as a sentence list' do
subject.must_equal('Hydrogen, Helium and Lithium')
end
end
context 'when there are no elements' do
let(:elements) { [] }
it 'returns a polite message' do
subject.must_equal('No elements have been assigned.')
end
end
end
end # Sentence
end # Vedeu
Version data entries
21 entries across 21 versions & 1 rubygems