class Shoulda::Matchers::Integrations::Configuration

def apply
  if no_test_frameworks_added? && no_libraries_added?
    raise ConfigurationError, <<EOT
matchers is not configured correctly. You need to specify at least one
mework and/or library. For example:
:Matchers.configure do |config|
.integrate do |with|
.test_framework :rspec
.library :rails
  end
  @test_frameworks.each do |test_framework|
    test_framework.include(Shoulda::Matchers::Independent)
    @libraries.each { |library| library.integrate_with(test_framework) }
  end
  self
end