lib/zhong/scheduler.rb in zhong-0.1.3 vs lib/zhong/scheduler.rb in zhong-0.1.4

@@ -17,19 +17,20 @@
       @logger = @config[:logger] ||= Util.default_logger
       @redis = @config[:redis] ||= Redis.new(ENV["REDIS_URL"])
     end
 
     def category(name)
-      fail "cannot nest categories: #{name} would be nested in #{@category}" if @category
+      fail "cannot nest categories: #{name} would be nested in #{@category} (#{caller.first})" if @category
 
       @category = name.to_s
 
       yield(self)
 
       @category = nil
     end
 
     def every(period, name, opts = {}, &block)
+      fail "must specify a period for #{name} (#{caller.first})" unless period
       job = Job.new(name, opts.merge(@config).merge(every: period, category: @category), &block)
       add(job)
     end
 
     def error_handler(&block)