Accept "hour" specification with a single letter (like 8 or *). Fixed a…

…damwiggins#2

lib/clockwork.rb

@@ -49,12 +49,12 @@ def exception_message(e)
 		def parse_at(at)
 			return unless at
 			case at
-			when /^(\d\d):(\d\d)$/
+			when /^(\d{1,2}):(\d\d)$/
 				hour = $1.to_i
 				min  = $2.to_i
 				raise FailedToParse, at if hour >= 24 || min >= 60
 				[hour, min]
-			when /^\*\*:(\d\d)$/
+			when /^\*{1,2}:(\d\d)$/
 				min = $1.to_i
 				raise FailedToParse, at if min >= 60
 				[nil, min]

test/clockwork_test.rb

@@ -63,6 +63,14 @@ def assert_wont_run(t)
 		assert_will_run 'jan 2 2010 16:20:00'
 	end
 
+	test ":at also accepts 8:20" do
+		Clockwork.every(1.hour, 'myjob', :at => '8:20')
+
+		assert_wont_run 'jan 1 2010 08:19:59'
+		assert_will_run 'jan 1 2010 08:20:00'
+		assert_wont_run 'jan 1 2010 08:20:01'
+	end
+
 	test "twice a day at 16:20 and 18:10" do
 		Clockwork.every(1.day, 'myjob', :at => ['16:20', '18:10'])
 
@@ -85,6 +93,14 @@ def assert_wont_run(t)
 		assert_will_run 'jan 2 2010 16:20:00'
 	end
 
+	test ":at also accepts *:20" do
+		Clockwork.every(1.hour, 'myjob', :at => '*:20')
+
+		assert_wont_run 'jan 1 2010 15:19:59'
+		assert_will_run 'jan 1 2010 15:20:00'
+		assert_wont_run 'jan 1 2010 15:20:01'
+	end
+
 	test "aborts when no handler defined" do
 		Clockwork.clear!
 		assert_raise(Clockwork::NoHandlerDefined) do