use SecureRandom.hex instead of uuid for shorter IDs

Author: virtualstaticvoid

lib/taskinator.rb

@@ -50,7 +50,7 @@ def options=(opts)
     end
 
     def generate_uuid
-      SecureRandom.uuid
+      SecureRandom.hex(10)
     end
 
     ##

spec/spec_helper.rb

@@ -74,7 +74,7 @@ class ApplicationJob < ActiveJob::Base
   end
 
   config.before(:each, :redis => true) do
-    Taskinator.redis = { :namespace => "taskinator:test:#{SecureRandom.uuid}" }
+    Taskinator.redis = { :namespace => "taskinator:test:#{SecureRandom.hex(4)}" }
   end
 
   config.before(:each, :sidekiq => true) do

spec/support/mock_definition.rb

@@ -14,7 +14,7 @@ def create(queue=nil)
       definition.queue = queue
 
       # create a constant, so that the mock definition isn't anonymous
-      Object.const_set("Mock#{SecureRandom.hex}Definition", definition)
+      Object.const_set("Mock#{SecureRandom.hex(4)}Definition", definition)
 
     end
   end