Fixed bug where :at directives were being ignored when using named periods

Signed-off-by: Javan Makhmali <javan@javan.us>

lib/outputs/cron.rb

@@ -72,11 +72,15 @@ module Whenever
         return unless @time
         string = @time.to_s
 
-        return "0 0 * * mon-fri" if string.downcase.index('weekday')
-        return "0 0 * * sat,sun" if string.downcase.index('weekend')
+        timing = Array.new(4, '*')
+        timing[0] = @at.is_a?(Time) ? @at.min  : 0
+        timing[1] = @at.is_a?(Time) ? @at.hour : 0
+
+        return (timing << 'mon-fri') * " " if string.downcase.index('weekday')
+        return (timing << 'sat,sun') * " " if string.downcase.index('weekend')
 
         %w(sun mon tue wed thu fri sat).each do |day|
-          return "0 0 * * #{day}" if string.downcase.index(day)
+          return (timing << day) * " " if string.downcase.index(day)
         end
 
         raise ArgumentError, "Couldn't parse: #{@time}"

test/cron_test.rb

@@ -150,14 +150,20 @@ class CronTest < Test::Unit::TestCase
       end
     end
 
+    should "allow additional directives" do
+      assert_equal '30 13 * * fri', parse_time('friday', nil, "1:30 pm")
+    end
+
     should "parse weekday correctly" do
       assert_equal '0 0 * * mon-fri', parse_time('weekday')
       assert_equal '0 0 * * mon-fri', parse_time('Weekdays')
+      assert_equal '0 1 * * mon-fri', parse_time('Weekdays', nil, "1:00 am")
     end
 
     should "parse weekend correctly" do
       assert_equal '0 0 * * sat,sun', parse_time('weekend')
       assert_equal '0 0 * * sat,sun', parse_time('Weekends')
+      assert_equal '0 7 * * sat,sun', parse_time('Weekends', nil, "7am")
     end
   end