Install bundler and use it to install all the development dependencies:
gem install bundler bundle install
You should be able to run the tests now:
bundle exec rake
VCR uses RSpec for unit tests. The specs are written in a very "focused" style, where each spec is concerned only with exercising the object under test, using mocks as necessary. You can run the specs using
Cucumber is used for end-to-end full stack integration tests that also function as VCR's documentation.
Problems running bundle install?
If you get an error while running
bundle install, it may be one of the "extras" gems which are not required for development. Try installing it without these gems.
bundle install --without extras