Merge pull request #356 from Dynamoid/simplify-requiring-rake-rasks-in-non-rails-environment

Simplify using Rake tasks in non-Rails environment

Author: andrykonchin

README.md

@@ -869,9 +869,23 @@ end
 
 ## Rake Tasks
 
+There are a few Rake tasks available out of the box:
+
   * `rake dynamoid:create_tables`
   * `rake dynamoid:ping`
 
+In order to use them in non-Rails application they should be required explicitly:
+
+```ruby
+# Rakefile
+
+Rake::Task.define_task(:environment)
+require 'dynamoid/tasks'
+```
+
+The Rake tasks depend on `:environment` task so it should be declared
+as well.
+
 ## Test Environment
 
 In test environment you will most likely want to clean the database between test runs to keep tests completely isolated. This can be achieved like so

lib/dynamoid/tasks.rb

@@ -0,0 +1 @@
+load "dynamoid/tasks/database.rake"

lib/dynamoid/tasks/database.rake

@@ -30,12 +30,12 @@ namespace :dynamoid do
     end
 
     msg = "Connection to DynamoDB #{success ? 'OK' : 'FAILED'}"
-    msg << if Dynamoid.config.endpoint
+    msg += if Dynamoid.config.endpoint
              " at local endpoint '#{Dynamoid.config.endpoint}'"
            else
              ' at remote AWS endpoint'
            end
-    msg << ", reason being '#{failure_reason}'" unless success
+    msg += ", reason being '#{failure_reason}'" unless success
     puts msg
   end
 end