fix: compatibility with ruby 2.3.0 + activesupport

.gitignore

@@ -3,3 +3,4 @@ pkg
 doc
 .*.sw[a-z]
 Gemfile.lock
+gemfiles/*.lock

.travis.yml

@@ -1,11 +1,18 @@
 language: ruby
 script: bundle exec rake
+
+before_install:
+  - gem install bundler
+
 rvm:
   - 1.9.3
   - 2.0.0
   - 2.1.0
   - 2.2.0
   - 2.3.0
   - jruby
-before_install:
-  - gem install bundler
+
+gemfile:
+  - Gemfile
+  - gemfiles/activesupport4.1.gemfile
+  - gemfiles/activesupport4.2.gemfile

gemfiles/activesupport4.1.gemfile

@@ -0,0 +1,5 @@
+source "https://rubygems.org"
+
+gem "activesupport", "~> 4.1.0"
+
+gemspec path: "../"

gemfiles/activesupport4.2.gemfile

@@ -0,0 +1,5 @@
+source "https://rubygems.org"
+
+gem "activesupport", "~> 4.2.0"
+
+gemspec path: "../"

lib/whenever/cron.rb

@@ -43,6 +43,7 @@ def output
       end
 
       def time_in_cron_syntax
+        @time = @time.to_i if @time.is_a?(Numeric) # Compatibility with `1.day` format using ruby 2.3 and activesupport
         case @time
           when REGEX  then @time # raw cron syntax given
           when Symbol then parse_symbol

test/unit/cron_test.rb

@@ -213,6 +213,12 @@ class CronParseShortcutsTest < Whenever::TestCase
   end
 end
 
+class CronParseRubyTimeTest < Whenever::TestCase
+  should "process things like `1.day` correctly" do
+    assert_equal "0 0 * * *", parse_time(1.day)
+  end
+end
+
 class CronParseRawTest < Whenever::TestCase
   should "raise if cron-syntax string is too long" do
     assert_raises ArgumentError do