Added TimeZone as the first of a number of value objects that Active Record will start shipping to provide incentatives to use rich value objects using composed_of #688 [Jamis Buck]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@760 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 78 insertions, 0 deletions

diff --git a/activerecord/test/time_zone_test.rb b/activerecord/test/time_zone_test.rb
new file mode 100644
index 0000000000..1fbfb95a62
--- /dev/null
+++ b/activerecord/test/time_zone_test.rb
@@ -0,0 +1,78 @@
+require 'test/unit'
+require File.dirname(__FILE__)+'/../lib/active_record/values/time_zone'
+
+class TimeZoneTest < Test::Unit::TestCase
+
+  class MockTime
+    def self.now
+      Time.utc( 2004, 7, 25, 14, 49, 00 )
+    end
+  end
+
+  TimeZone::Time = MockTime
+
+  def test_formatted_offset_positive
+    zone = TimeZone.create( "Test", 4200 )
+    assert_equal "+01:10", zone.formatted_offset
+  end
+
+  def test_formatted_offset_negative
+    zone = TimeZone.create( "Test", -4200 )
+    assert_equal "-01:10", zone.formatted_offset
+  end
+
+  def test_now
+    zone = TimeZone.create( "Test", 4200 )
+    assert_equal Time.local(2004,7,25,15,59,00).to_a[0,6], zone.now.to_a[0,6]
+  end
+
+  def test_adjust_negative
+    zone = TimeZone.create( "Test", -4200 )
+    assert_equal Time.utc(2004,7,24,23,55,0), zone.adjust(Time.utc(2004,7,25,1,5,0))
+  end
+
+  def test_adjust_positive
+    zone = TimeZone.create( "Test", 4200 )
+    assert_equal Time.utc(2004,7,26,1,5,0), zone.adjust(Time.utc(2004,7,25,23,55,0))
+  end
+
+  def test_zone_compare
+    zone1 = TimeZone.create( "Test1", 4200 )
+    zone2 = TimeZone.create( "Test1", 5600 )
+    assert zone1 < zone2
+    assert zone2 > zone1
+
+    zone1 = TimeZone.create( "Able", 10000 )
+    zone2 = TimeZone.create( "Zone", 10000 )
+    assert zone1 < zone2
+    assert zone2 > zone1
+
+    zone1 = TimeZone.create( "Able", 10000 )
+    assert zone1 == zone1
+  end
+
+  def test_to_s
+    zone = TimeZone.create( "Test", 4200 )
+    assert_equal "(GMT+01:10) Test", zone.to_s
+  end
+
+  def test_all_sorted
+    all = TimeZone.all
+    1.upto( all.length-1 ) do |i|
+      assert all[i-1] < all[i]
+    end
+  end
+
+  def test_index
+    assert_nil TimeZone["bogus"]
+    assert_not_nil TimeZone["Central Time (US & Canada)"]
+  end
+
+  def test_new
+    a = TimeZone.new("Berlin")
+    b = TimeZone.new("Berlin")
+    assert_same a, b
+    assert_nil TimeZone.new("bogus")
+  end
+
+end