Contents

# encoding: utf-8

require 'spec_helper'

describe TTY::Vector, '#new' do
  let(:object) { described_class }

  subject(:vector) { object.new(argument) }

  context 'with no arguments' do
    subject(:vector) { object.new }

    it 'sets elements to empty array' do
      expect(vector.to_a).to eq([])
    end
  end

  context 'with nil argument' do
    let(:argument) { nil }

    it 'throws type error' do
      expect(vector.to_a).to eq([])
    end
  end

  context 'with an argument that is a hash' do
    let(:argument) { {:value => 'Piotr'} }

    it 'sets elements' do
      expect(vector.to_a).to eq([[:value, 'Piotr']])
    end
  end

  context 'with an argument that respond to #to_ary' do
    let(:argument) {
      Custom = Class.new do
        def to_ary
          ['Piotr']
        end
      end
      Custom.new
    }

    it 'sets elements' do
      expect(vector.to_a).to eq(['Piotr'])
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
tty-0.2.1	spec/tty/vector/new_spec.rb
tty-0.2.0	spec/tty/vector/new_spec.rb
tty-0.1.3	spec/tty/vector/new_spec.rb
tty-0.1.2	spec/tty/vector/new_spec.rb