require File.dirname(__FILE__) + '/../test_helper'
require File.dirname(__FILE__) + '/../../lib/provisional/scm/svn'

class SvnTest < Test::Unit::TestCase

  def setup
    @scm = Provisional::SCM::Svn.new(
    {
      'name' => 'name',
      'template_path' => 'template_path',
      'url' => 'url',
      'username' => 'username',
      'password' => 'password'
    }
    )
  end

  def test_init
    assert_raise NotImplementedError do
      @scm.init
    end
  end

  def test_generate_rails
    @scm.expects(:system).with("svn co --username=username --password=password url name")
    Dir.expects(:chdir).with('name')
    %w(branches tags trunk).each {|d| Dir.expects(:mkdir).with(d)}
    @scm.expects(:system).with("svn add branches tags trunk")
    @scm.expects(:system).with("svn commit -m 'Structure by Provisional'")
    Dir.expects(:chdir).with('trunk')
    Rails::Generator::Base.expects(:use_application_sources!)
    generator_stub = stub()
    generator_stub.expects(:run).with(%w(. -m template_path), :generator => 'app')
    Rails::Generator::Scripts::Generate.expects(:new).returns(generator_stub)
    @scm.generate_rails
  end

  def test_generate_rails_can_optionally_skip_svn_structure_creation
    @scm.expects(:system).with("svn co --username=username --password=password url name")
    Dir.expects(:chdir).with('name')
    Dir.expects(:chdir).with('trunk')
    Rails::Generator::Base.expects(:use_application_sources!)
    generator_stub = stub()
    generator_stub.expects(:run).with(%w(. -m template_path), :generator => 'app')
    Rails::Generator::Scripts::Generate.expects(:new).returns(generator_stub)
    @scm.generate_rails(false)
  end

  def test_generate_rails_should_raise_RuntimeError_if_any_step_raises_any_exception
    @scm.expects(:system).with("svn co --username=username --password=password url name")
    Dir.expects(:chdir).with('name').raises(Errno::ENOENT)
    assert_raise RuntimeError do
      @scm.generate_rails
    end
  end

  def test_checkin
    @scm.expects(:system).with("svn add *")
    @scm.expects(:system).with("svn commit -m 'Initial commit by Provisional'")
    @scm.checkin
  end

  def test_checkin_should_raise_RuntimeError_if_any_step_raises_any_exception
    @scm.expects(:system).with("svn add *").raises(RuntimeError)
    assert_raise RuntimeError do
      @scm.checkin
    end
  end
end