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To run a single test in Rails, we normally do:
rails test TEST=test/system/invitation_test.rb
But that doesn't work with system tests. Neither do this work:
rails test:system TEST=test/system/invitation_test.rb
With both those commandos above, all system tests (files) are run.
So my question is, how can I run a single system test?
As a side note, to run (all) system tests in Rails, you need to append :system to test.
rails test:system
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If we want to execute a single test class, we can execute the command mvn test -Dtest=”TestClassName”. As the output shows, only the test class we've passed to the test parameter is executed.
Setting Up Minitest. To run a Minitest test, the only setup you really need is to require the autorun file at the beginning of a test file: require 'minitest/autorun' . This is good if you'd like to keep the code small. A better way to get started with Minitest is to have Bundler create a template project for you.
While rails test doesn't seem to work if you want to run your system tests (you need to append test with :system), if you only want to run a single test it does seem to work:
rails test test/system/my_little_test.rb
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