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How do I test a rails controller?
The currently accepted way to test rails controllers is by sending http requests to your application and writing assertions about the response. Rails has ActionDispatch::IntegrationTest which provides integration tests for Minitest which is the Ruby standard library testing framework.
What are controller tests?
A controller unit test avoids scenarios such as filters, routing, and model binding. Tests that cover the interactions among components that collectively respond to a request are handled by integration tests.
What is a spec RSpec?
A controller spec is an RSpec wrapper for a Rails functional test. (ActionController::TestCase::Behavior). It allows you to simulate a single http request in each example, and then. specify expected outcomes such as: rendered templates.
What does rake db prepare do?
Basically it handles cloning the database so you don’t have to run the migrations against test to update the test database. Specifically, rake db:test:prepare will do the following: Check for pending migrations and, load the test schema.
What are the tests for Rails?
By running your Rails tests you can ensure your code adheres to the desired functionality even after some major code refactoring. Rails tests can also simulate browser requests and thus you can test your application’s response without having to test it through your browser.
What is the difference between integration tests and controller tests?
“Controller tests attempt to test the controller in isolation, and integration tests mimic a browser clicking through the app, i.e. they touch the entire stack. Honestly I only write integration tests.
What is db prepare?
In other words, if the database is correctly configured, db:prepare will just run the migration, if the database already exists. If the database does not exist, db:prepare ensures that it is created, migrated and seeded with data.
Is it safe to use controller specs in RSpec?
The RSpec team actually officially discourages the use of controller specs, as well as adding the rails-controller-testing gem to your application; “The official recommendation of the Rails team and the RSpec core team is to write request specs instead.
What does a controller spec mean in rails?
A controller spec is an RSpec wrapper for a Rails functional test
Which is the best tool for RSpec integration?
Capybara is an exceptionally great tool for performing an integration test with RSpec because it helps you perform end-to-end tests on your applications. It does this by simulating how a real user would interact with your application.
How are request specs different from controller specs?
“The official recommendation of the Rails team and the RSpec core team is to write request specs instead. Request specs allow you to focus on a single controller action, but unlike controller tests involve the router, the middleware stack, and both rack requests and responses.