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Read Here : https://releasebook99.blogspot.com/id/1680501984
PDF_ Effective Testing with RSpec 3: Build Ruby Apps with Confidence | Build and maintain quality software with RSpec, the popular BDD-flavored Ruby testing framework. This definitive guide from RSpec's lead developer shows you how to use RSpec to drive more maintainable designs, specify and document expected behavior, and prevent regressions during refactoring. Build a project using RSpec to design, describe, and test