Download Beginning Ruby on Rails E-Commerce: From Novice to by Jarkko Laine PDF

By Jarkko Laine

Beginning Ruby on Rails E-Commerce: From amateur to Professional is the 1st ebook of its type to steer you thru generating e-commerce functions with Rails, the stacked internet framework taking the realm by way of typhoon. The ebook dives correct into the method of constructing a production-level net software utilizing agile methodologies and test-driven improvement mixed with Rails most sensible practices. you will benefit from the most recent crop of Rails plug-ins and helpers that might extensively enhance your programming agenda. you will additionally create a true program step by step, plus the booklet is pushed through real-world instances throughout.

You will commence by means of studying tips on how to set up Rails and fast create a product catalog interfaced along with your collection of database applied sciences. Then you will find easy methods to construct sleek, Ajax-powered procuring carts and upload valuable beneficial properties like client suggestions modules. subsequent you will the right way to combine your program with open resource applications just like the Ferret full-text seek engine, and the way to interface with back-end digital cost platforms. you are going to additionally how to make your program paintings perfectly with present construction structures utilizing internet companies, after which finally install and track your software for construction use.

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St/post/ 218#post-218). rb is a file where you can define helper methods that are available to all tests. A helper method can be a custom assertion like above, or any other method that makes writing actual tests easier and cleaner. assert_difference takes as its parameters an object, a method of that object, and a code block. method again. If the difference between those two method calls is not exactly the value of the difference parameter (1 by default), the test will fail. assert_no_difference is a convenience method that calls assert_difference with the difference value of zero.

For a complete list, run rake -T in the root of your Rails application directory. • rake: Running rake without any parameters will rebuild the test database according to the migrations, and run all unit, functional, and integration tests found in the test directory. • rake db:migrate: Updates the database of the current environment to the latest version. You can specify the target version by appending VERSION=x after the command. • rake db:sessions:create: Creates a table for storing user session data in the database.

For example, the following will start your application’s test environment and WEBrick in daemon mode, listening on port 80: script/server -d -p 80 -e test CHAPTER 1 ■ PROJECT SETUP AND PROOF OF CONCEPT Figure 1-1. html file, which is located in the public directory under the application root. html. The error is thrown because there are no controller and action set up to handle the request. We are now ready to start writing some code. But first, we’ll introduce you to how requests are handled by the Rails framework.

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