Ruby Testing

Ruby Testing

RSpec Getting Started: Installation, Structure, and Core Syntax

RSpec is the dominant testing framework in the Ruby ecosystem. It's been around since 2005 and has shaped how Ruby developers think about tests.

Ruby Testing

RSpec with Rails: Request Specs, Model Specs, System Specs, and More

Testing a Rails application with RSpec involves more than just the base rspec gem. You need rspec-rails for Rails-specific example groups, factory_bot_rails for test data, capybara for browser interaction, and database_cleaner-active_record to keep your database clean between tests. This post covers how to

Ruby Testing

RSpec Shared Examples and Contexts: DRY Test Patterns

Test duplication is a real problem. When you have ten model specs that each test the same #timestamps behavior, or five controller specs that each verify authentication, copy-paste is the wrong answer. RSpec gives you two tools for this: shared examples and shared contexts. Shared examples let you define

Ruby Testing

RSpec Mocking and Stubbing: Doubles, Stubs, and Message Expectations

Mocking and stubbing are how you isolate the thing you're testing from everything it depends on. Without them, a unit test that touches a database, an external API, or a slow service stops being a unit test — it becomes an integration test wearing a unit test costume. RSpec

Ruby Testing

RSpec Best Practices: Naming, subject/let, Custom Matchers, and Performance

Good RSpec tests are fast, readable, and fail for the right reasons. Bad ones are slow, coupled to implementation, full of mocks, and when they fail you can't tell what's broken. This post covers the conventions and patterns that separate maintainable RSpec suites from the ones