require 'spec_helper'

share_examples_for "finds definitions" do
  before do
    stub(FactoryGirl).require
    FactoryGirl.find_definitions
  end
  subject { FactoryGirl }
end

describe "definition loading" do
  def self.in_directory_with_files(*files)
    before do
      @pwd = Dir.pwd
      @tmp_dir = File.join(File.dirname(__FILE__), 'tmp')
      FileUtils.mkdir_p @tmp_dir
      Dir.chdir(@tmp_dir)

      files.each do |file|
        FileUtils.mkdir_p File.dirname(file)
        FileUtils.touch file
        stub(Factory).require(file)
      end
    end

    after do
      Dir.chdir(@pwd)
      FileUtils.rm_rf(@tmp_dir)
    end
  end

  def require_definitions_from(file)
    simple_matcher do |given, matcher|
      has_received = have_received.method_missing(:require, file)
      result = has_received.matches?(given)
      matcher.description = "require definitions from #{file}"
      matcher.failure_message = has_received.failure_message
      result
    end
  end

  describe "with factories.rb" do
    in_directory_with_files 'factories.rb'
    it_should_behave_like "finds definitions"
    it { should require_definitions_from('factories.rb') }
  end

  %w(spec test).each do |dir|
    describe "with a factories file under #{dir}" do
      in_directory_with_files File.join(dir, 'factories.rb')
      it_should_behave_like "finds definitions"
      it { should require_definitions_from("#{dir}/factories.rb") }
    end

    describe "with a factories file under #{dir}/factories" do
      in_directory_with_files File.join(dir, 'factories', 'post_factory.rb')
      it_should_behave_like "finds definitions"
      it { should require_definitions_from("#{dir}/factories/post_factory.rb") }
    end

    describe "with several factories files under #{dir}/factories" do
      in_directory_with_files File.join(dir, 'factories', 'post_factory.rb'),
                              File.join(dir, 'factories', 'person_factory.rb')
      it_should_behave_like "finds definitions"
      it { should require_definitions_from("#{dir}/factories/post_factory.rb") }
      it { should require_definitions_from("#{dir}/factories/person_factory.rb") }
    end

    describe "with nested and unnested factories files under #{dir}" do
      in_directory_with_files File.join(dir, 'factories.rb'),
                              File.join(dir, 'factories', 'post_factory.rb'),
                              File.join(dir, 'factories', 'person_factory.rb')
      it_should_behave_like "finds definitions"
      it { should require_definitions_from("#{dir}/factories.rb") }
      it { should require_definitions_from("#{dir}/factories/post_factory.rb") }
      it { should require_definitions_from("#{dir}/factories/person_factory.rb") }
    end
  end
end