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Testing

Preparations

Before you run the tests for the first time you need to load the test database with the empty structure:

rake test:prepare

This is useful command also in reseting the test DB to empty and clean state.

Running tests

Run all the tests suites:

  • run rspec spec
  • run cucumber features
  • Start Rails server and open http://localhost:3000/test/

Integration testing (Cucumber)

In addition to running all the spec tests with cucumber You can limit or select the tests with tags, for example exclude the tests that are marked as pending cucumber --tags ~@pending Or you can run single file of tests with cucumber features/listings/user_creates_a_new_listing.feature or even use a line number to select only a single test: cucumber features/listings/user_edits_his_own_listing.feature:33

Cucumber tests use Cabybara and Selenium to test the actions in actual browser window (Firefox by default).

Rails unit testing (RSpec)

In addition to running all the spec tests with rake spec you can also run a single file with for example rspec ./spec/helpers/locations_helper_spec.rb or even a single tests inside a file by pointing it with the line number: rspec ./spec/helpers/locations_helper_spec.rb:23 That makes it faster to test a single feature that you are changing. However, it's good practice to run the whole test set before sending your code for other people to use (or to develop on).

Guard

To speed up tests, you can use guard. It watches the file system and runs tests automatically when files change:

Run guard and start coding. Saving a file triggers the change.

JavaScript unit testing (Mocha)

We are using Mocha test framework for JavaScript unit testing. The tests can be run on browser or from command-line

Run Mocha tests on browser

  1. Start Rails server
  2. Go to http://localhost:3000/test/

When running on development mode, make sure you DO NOT have a file public/assets/application.js. If you do, delete it. This way Rails will use asset pipeline instead of precompiled file.

Run Mocha tests from command-line

  1. Install node
  2. npm install
  3. npm install -g grunt-cli
  4. rake assets:precompile
  5. grunt connect mocha