collision_spec.rb

require 'spec_helper'
require 'stringio'

describe BloomFilter, '#collision?' do
  subject { object.collision?(word) }

  let(:dictionary) { Dictionary.new }
  let(:object)     { described_class.new(dictionary) }

  context 'checked with a filtered word' do
    let(:word) { 'alpha' }

    it { should be_true }
  end

  context 'checked with a word that has not been filtered' do
    let(:word) { 'delta' }

    it { should be_false }
  end
end