# not sure why I need to use this form instead of just require 'test_helper'
require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'test_helper'))

class Jeweler
  module Commands
    class TestBuildGem < Test::Unit::TestCase

      context "after running" do
        setup do
          @gemspec = Object.new
          stub(@gemspec).file_name { 'zomg-1.2.3.gem' }

          @gemspec_helper = Object.new
          stub(@gemspec_helper).parse { @gemspec }

          @builder = Object.new
          stub(Gem::Builder).new { @builder }
          stub(@builder).build { 'zomg-1.2.3.gem' }

          @file_utils = Object.new
          stub(@file_utils).mkdir_p './pkg'
          stub(@file_utils).mv './zomg-1.2.3.gem', './pkg'

          @base_dir = '.'

          @command = Jeweler::Commands::BuildGem.new
          @command.base_dir = @base_dir
          @command.file_utils = @file_utils
          @command.gemspec_helper = @gemspec_helper

          @command.run
        end

        should "call gemspec helper's parse" do
          assert_received(@gemspec_helper) {|gemspec_helper| gemspec_helper.parse }
        end

        should "build from parsed gemspec" do
          assert_received(Gem::Builder) {|builder_class| builder_class.new(@gemspec) }
          assert_received(@builder) {|builder| builder.build }
        end

        should 'make package directory' do
          assert_received(@file_utils) {|file_utils| file_utils.mkdir_p './pkg'}
        end

        should 'move built gem into package directory' do
          assert_received(@file_utils) {|file_utils| file_utils.mv './zomg-1.2.3.gem', './pkg'}
        end
      end

      build_command_context "build for jeweler" do
        setup do
          @command = Jeweler::Commands::BuildGem.build_for(@jeweler)
        end

        should "assign base_dir" do
          assert_same @base_dir, @jeweler.base_dir
        end

        should "assign gemspec_helper" do
          assert_same @gemspec_helper, @jeweler.gemspec_helper
        end

        should "return BuildGem" do
          assert_kind_of Jeweler::Commands::BuildGem, @command
        end
      end

    end
  end
end