Untitled

require 'test/unit'

require 'churn'    

 

 

class ChurnTests < Test::Unit::TestCase

 

  def test_month_before_is_28_days

    assert_equal(Time.local(2005, 1, 1),

                 month_before(Time.local(2005, 1, 29)))

  end

 

  def test_svn_date

    assert_equal('2005-03-04',

                 svn_date(Time.local(2005, 3, 4)))

  end

 

  def test_header_format

    head = header(svn_date(month_before(Time.local(2005, 9, 2))))

    assert_equal("Changes since 2005-08-05:", head)

  end

 

  def test_normal_subsystem_line_format

    assert_equal('         audit ********* (45)',

                 subsystem_line("audit", 45))

  end

 

  def test_asterisks_for_divides_by_five

    assert_equal('****', asterisks_for(20))

  end

 

  def test_asterisks_for_rounds_up_and_down

    assert_equal('****', asterisks_for(18))

    assert_equal('***', asterisks_for(17))

  end

 

  def test_subversion_log_can_have_no_changes

    assert_equal(0, extract_change_count_from("------------------------------------------------------------------------\n"))

  end

 

  def test_subversion_log_with_changes

    assert_equal(2, extract_change_count_from("------------------------------------------------------------------------\nr2531 | bem | 2005-07-01 01:11:44 -0500 (Fri, 01 Jul 2005) | 1 line\n\nchanged stuff\n------------------------------------------------------------------------\nr2524 | bem | 2005-06-30 18:45:59 -0500 (Thu, 30 Jun 2005) | 1 line\n\changed more stuff\n------------------------------------------------------------------------\n"))

  end

 

  def test_subversion_log_raises_errors_if_no_dashed_lines

    assert_raise(Exception) do

      extract_change_count_from("text with no dashes")

    end

  end

 

end