Minitest::MockRaiseError

A simple Minitest mock extension to raise error.

Add this line to your application's Gemfile:

gem 'minitest-mock_raise_error'

And then execute:

$ bundle

Or install it yourself as:

$ gem install minitest-mock_raise_error

Require minitest/mock_raise_error in your test_helper.rb before require 'minitest/autorun'.

require 'minitest/mock_raise_error'
require 'minitest/autorun'

Next, call Minitest::Mock#expect with a exception or a subclass of Exception as ret_val. Then, the mock raises error with a specified exception or a instance of subclass of Exception.

class MyTestError < StandardError; end

# With a exception
mock = Minitest::Mock.new
error = MyTestError.new('error message')
mock.expect(:my_test, error)
mock.my_test # specified error is raised
mock.verify # => true

# With a subclass of Exception
mock = Minitest::Mock.new
mock.expect(:my_test2, MyTestError)
mock.my_test2 # specified class instance error is raised
mock.verify # => true

Bug reports and pull requests are welcome on GitHub at https://github.com/ryu39/minitest-mock_raise_error.

This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

If you want to send pull requests, please follow these steps.

1. Fork this repository.
2. Clone the forked repository.
3. Execute bin/setup.
4. Execute bundle exec rake and check there are no failed test or offences.
5. Create and check out your feature branch.
6. Commit your changes.
7. Execute bundle exec rake and confirm again.
8. Push your branch.
9. Create pull requests to master branch!!

The gem is available as open source under the terms of the MIT License.