require File.dirname(__FILE__) + '/../test_helper'

class PatchTest < Test::Unit::TestCase
  fixtures :programs, :patches, :patch_versions

  def test_create_and_destroy
    p = Patch.create(:title       => 'Some test patch',
                     :description => 'Some description',
                     :filename    => 'some_patch.diff',
                     :created_by  => 1,
                     :program_id  => 1)
    p.patch_versions << PatchVersion.create(:comment => 'First version',
                                            :for_upstream_version => '1.0')
    v = p.patch_versions.first
    assert_equal(File.join(PatchVersion.patch_dir, v.id.to_s), v.path)

    # Test automatically assigned version
    p.patch_versions << PatchVersion.create(:comment => 'Automatic version',
                                            :for_upstream_version => '1.0',
                                            :text => 'Some patch contents')
    v = p.patch_versions.last
    assert_equal(2, v.version)

    # Try to break version
    p.patch_versions << PatchVersion.create(:comment => 'By-hand version',
                                            :for_upstream_version => '1.0',
                                            :text => 'Some patch contents')
    v = p.patch_versions.last
    assert_equal(3, v.version)

    # Test build method
    p.patch_versions.build(:comment => 'Automatic version',
                           :for_upstream_version => '1.0',
                           :text => 'Some patch contents')
    p.save
    v = p.patch_versions.last
    assert_equal(4, v.version)

    patch_path = File.join(PatchVersion.patch_dir, v.id.to_s)
    assert(File.readable?(patch_path))
    v.destroy
    assert_equal(3, p.patch_versions(true).size)
    assert(!File.readable?(patch_path))
  end

  def test_history
    p = Patch.find(2)
    assert_equal(2, p.patch_versions.size)
    p.patch_versions << PatchVersion.create(:comment => 'New patch version',
                                            :for_upstream_version => '2.0')
    v = p.latest_version
    assert_equal(3, v.version)
  end
end