DateTime calculations analogous to the Date and Time extensions. Closes #7693.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6303 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 138 insertions, 1 deletions

diff --git a/activesupport/test/core_ext/date_time_ext_test.rb b/activesupport/test/core_ext/date_time_ext_test.rb
index 94da9de64c..a0c52e3dac 100644
--- a/activesupport/test/core_ext/date_time_ext_test.rb
+++ b/activesupport/test/core_ext/date_time_ext_test.rb
@@ -12,4 +12,141 @@ class DateTimeExtCalculationsTest < Test::Unit::TestCase
   def test_to_date
     assert_equal Date.new(2005, 2, 21), DateTime.new(2005, 2, 21).to_date
   end
-end
\ No newline at end of file
+
+  def test_seconds_since_midnight
+    assert_equal 1,DateTime.civil(2005,1,1,0,0,1).seconds_since_midnight
+    assert_equal 60,DateTime.civil(2005,1,1,0,1,0).seconds_since_midnight
+    assert_equal 3660,DateTime.civil(2005,1,1,1,1,0).seconds_since_midnight
+    assert_equal 86399,DateTime.civil(2005,1,1,23,59,59).seconds_since_midnight
+  end
+
+  def test_begining_of_week
+    assert_equal DateTime.civil(2005,1,31), DateTime.civil(2005,2,4,10,10,10).beginning_of_week
+    assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,28,0,0,0).beginning_of_week #monday
+    assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,29,0,0,0).beginning_of_week #tuesday
+    assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,11,30,0,0,0).beginning_of_week #wednesday
+    assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,01,0,0,0).beginning_of_week #thursday
+    assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,02,0,0,0).beginning_of_week #friday
+    assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,03,0,0,0).beginning_of_week #saturday
+    assert_equal DateTime.civil(2005,11,28), DateTime.civil(2005,12,04,0,0,0).beginning_of_week #sunday
+  end
+
+  def test_beginning_of_day
+    assert_equal DateTime.civil(2005,2,4,0,0,0), DateTime.civil(2005,2,4,10,10,10).beginning_of_day
+  end
+
+  def test_beginning_of_month
+    assert_equal DateTime.civil(2005,2,1,0,0,0), DateTime.civil(2005,2,22,10,10,10).beginning_of_month
+  end
+
+  def test_beginning_of_quarter
+    assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,2,15,10,10,10).beginning_of_quarter
+    assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,1,1,0,0,0).beginning_of_quarter
+    assert_equal DateTime.civil(2005,10,1,0,0,0), DateTime.civil(2005,12,31,10,10,10).beginning_of_quarter
+    assert_equal DateTime.civil(2005,4,1,0,0,0), DateTime.civil(2005,6,30,23,59,59).beginning_of_quarter
+  end
+
+  def test_end_of_month
+    assert_equal DateTime.civil(2005,3,31,0,0,0), DateTime.civil(2005,3,20,10,10,10).end_of_month
+    assert_equal DateTime.civil(2005,2,28,0,0,0), DateTime.civil(2005,2,20,10,10,10).end_of_month
+    assert_equal DateTime.civil(2005,4,30,0,0,0), DateTime.civil(2005,4,20,10,10,10).end_of_month
+
+  end
+
+  def test_beginning_of_year
+    assert_equal DateTime.civil(2005,1,1,0,0,0), DateTime.civil(2005,2,22,10,10,10).beginning_of_year
+  end
+
+  def test_months_ago
+    assert_equal DateTime.civil(2005,5,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(1)
+    assert_equal DateTime.civil(2004,11,5,10), DateTime.civil(2005,6,5,10,0,0).months_ago(7)
+    assert_equal DateTime.civil(2004,12,5,10), DateTime.civil(2005,6,5,10,0,0).months_ago(6)
+    assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(12)
+    assert_equal DateTime.civil(2003,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_ago(24)
+  end
+
+  def test_months_since
+    assert_equal DateTime.civil(2005,7,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(1)
+    assert_equal DateTime.civil(2006,1,5,10),  DateTime.civil(2005,12,5,10,0,0).months_since(1)
+    assert_equal DateTime.civil(2005,12,5,10), DateTime.civil(2005,6,5,10,0,0).months_since(6)
+    assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,12,5,10,0,0).months_since(6)
+    assert_equal DateTime.civil(2006,1,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(7)
+    assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(12)
+    assert_equal DateTime.civil(2007,6,5,10),  DateTime.civil(2005,6,5,10,0,0).months_since(24)
+  end
+
+  def test_years_ago
+    assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_ago(1)
+    assert_equal DateTime.civil(1998,6,5,10), DateTime.civil(2005,6,5,10,0,0).years_ago(7)
+  end
+
+  def test_years_since
+    assert_equal DateTime.civil(2006,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(1)
+    assert_equal DateTime.civil(2012,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(7)
+    assert_equal DateTime.civil(2182,6,5,10),  DateTime.civil(2005,6,5,10,0,0).years_since(177)
+  end
+
+  def test_last_year
+    assert_equal DateTime.civil(2004,6,5,10),  DateTime.civil(2005,6,5,10,0,0).last_year
+  end
+
+
+  def test_ago
+    assert_equal DateTime.civil(2005,2,22,10,10,9),  DateTime.civil(2005,2,22,10,10,10).ago(1)
+    assert_equal DateTime.civil(2005,2,22,9,10,10),  DateTime.civil(2005,2,22,10,10,10).ago(3600)
+    assert_equal DateTime.civil(2005,2,20,10,10,10), DateTime.civil(2005,2,22,10,10,10).ago(86400*2)
+    assert_equal DateTime.civil(2005,2,20,9,9,45),   DateTime.civil(2005,2,22,10,10,10).ago(86400*2 + 3600 + 25)
+  end
+
+  def test_since
+    assert_equal DateTime.civil(2005,2,22,10,10,11), DateTime.civil(2005,2,22,10,10,10).since(1)
+    assert_equal DateTime.civil(2005,2,22,11,10,10), DateTime.civil(2005,2,22,10,10,10).since(3600)
+    assert_equal DateTime.civil(2005,2,24,10,10,10), DateTime.civil(2005,2,22,10,10,10).since(86400*2)
+    assert_equal DateTime.civil(2005,2,24,11,10,35), DateTime.civil(2005,2,22,10,10,10).since(86400*2 + 3600 + 25)
+  end
+
+  def test_yesterday
+    assert_equal DateTime.civil(2005,2,21,10,10,10), DateTime.civil(2005,2,22,10,10,10).yesterday
+    assert_equal DateTime.civil(2005,2,28,10,10,10), DateTime.civil(2005,3,2,10,10,10).yesterday.yesterday
+  end
+
+  def test_tomorrow
+    assert_equal DateTime.civil(2005,2,23,10,10,10), DateTime.civil(2005,2,22,10,10,10).tomorrow
+    assert_equal DateTime.civil(2005,3,2,10,10,10),  DateTime.civil(2005,2,28,10,10,10).tomorrow.tomorrow
+  end
+
+  def test_change
+    assert_equal DateTime.civil(2006,2,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:year => 2006)
+    assert_equal DateTime.civil(2005,6,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:month => 6)
+    assert_equal DateTime.civil(2012,9,22,15,15,10), DateTime.civil(2005,2,22,15,15,10).change(:year => 2012, :month => 9)
+    assert_equal DateTime.civil(2005,2,22,16),       DateTime.civil(2005,2,22,15,15,10).change(:hour => 16)
+    assert_equal DateTime.civil(2005,2,22,16,45),    DateTime.civil(2005,2,22,15,15,10).change(:hour => 16, :min => 45)
+    assert_equal DateTime.civil(2005,2,22,15,45),    DateTime.civil(2005,2,22,15,15,10).change(:min => 45)
+  end
+
+  def test_plus
+    assert_equal DateTime.civil(2006,2,28,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => 1)
+    assert_equal DateTime.civil(2005,6,28,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:months => 4)
+    assert_equal DateTime.civil(2012,9,28,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 7)
+    assert_equal DateTime.civil(2013,10,3,15,15,10), DateTime.civil(2005,2,28,15,15,10).advance(:years => 7, :months => 19, :days => 5)
+  end
+
+  def test_next_week
+    assert_equal DateTime.civil(2005,2,28), DateTime.civil(2005,2,22,15,15,10).next_week
+    assert_equal DateTime.civil(2005,3,4), DateTime.civil(2005,2,22,15,15,10).next_week(:friday)
+    assert_equal DateTime.civil(2006,10,30), DateTime.civil(2006,10,23,0,0,0).next_week
+    assert_equal DateTime.civil(2006,11,1), DateTime.civil(2006,10,23,0,0,0).next_week(:wednesday)
+  end
+
+  def test_next_month_on_31st
+    assert_equal DateTime.civil(2005, 9, 30), DateTime.civil(2005, 8, 31).next_month
+  end
+
+  def test_last_month_on_31st
+    assert_equal DateTime.civil(2004, 2, 29), DateTime.civil(2004, 3, 31).last_month
+  end
+
+  def test_xmlschema_is_available
+    assert_nothing_raised { DateTime.now.xmlschema }
+  end
+end