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

class ChangesetTest < Test::Unit::TestCase
  fixtures :changesets, :repositories, :changes, :projects

  def setup
    RetroCM.reload
  end

  def test_crud
    rp = repositories(:public)
    
    o1 = Changeset.new(:repository_id => rp.id, :revision => "9999")
    assert(o1.save)
    
    o2 = Changeset.find(o1.id)
    assert_equal(o1.revision, o2.revision)

    o2.revision = "1111"
    assert(o2.save)    
    assert_not_equal(o1.revision, o2.revision)

    o1.reload
    assert_equal(o1.revision, o2.revision)
    
    assert(o1.destroy)
  end

  def test_validations
    o1 = Changeset.new
    assert(!o1.save)
  
    rp1 = repositories(:public)
    rp2 = Repository::Subversion.new(:name => 'Repos 2', :path => '/home/svn')
    assert(rp2.save)
    o1 = rp1.changesets.first

    o2 = Changeset.new(:repository_id => rp1.id, :revision => o1.revision)
    assert(!o2.save)
    assert_not_nil(o2.errors[:revision])
  
    o2 = Changeset.new(:repository_id => rp2.id, :revision => o1.revision)
    assert(o2.save)      
  end

  def test_finders
    pr = projects(:retro)

    changesets = Changeset.find(:all)
    assert_equal(11, changesets.size)

    changesets = Changeset.find_by_project(pr, :all)
    assert_equal(9, changesets.size)
    
    changeset = Changeset.find_by_project_and_revision(pr, 4)
    assert_not_nil(changeset)
    assert_equal('4', changeset.revision)

    changeset = Changeset.find_by_project_and_revision(pr, 333)
    assert_nil(changeset)
  end

  def test_counter
    pr = projects(:retro)

    count = Changeset.count
    assert_equal(11, count)

    count = Changeset.count_for_project(pr)
    assert_equal(9, count)    
  end

  def test_next_and_previous_selection
    pr = projects(:retro)

    cs4 = Changeset.find_by_project_and_revision(pr, 4)
    cs3 = cs4.prev_by_project(pr)
    cs2 = cs3.prev_by_project(pr)
    cs1 = cs2.prev_by_project(pr)
    cs0 = cs1.prev_by_project(pr)

    cs5 = cs4.next_by_project(pr)
    cs6 = cs5.next_by_project(pr)
    cs7 = cs6.next_by_project(pr)
    cs8 = cs7.next_by_project(pr)
    cs9 = cs8.next_by_project(pr)
    csX = cs9.next_by_project(pr)

    assert_equal('4', cs4.revision)
    assert_equal('3', cs3.revision)
    assert_equal('2', cs2.revision)
    assert_equal('1', cs1.revision)
    assert_nil(cs0)

    assert_equal('5', cs5.revision)
    assert_equal('6', cs6.revision)
    assert_equal('7', cs7.revision)
    assert_equal('8', cs8.revision)
    assert_equal('9', cs9.revision)
    assert_nil(csX)
  end

end