dry-system 0.21

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Test Mode

In some cases it is useful to stub a component in your tests. To enable this, dry-system provides a test mode, in which a container will not be frozen during finalization. This allows you to use stub API to stub a given component.

require 'dry/system/container'

class Application < Dry::System::Container
  configure do |config|
    config.root = Pathname('./my/app')
  end
end

require 'dry/system/stubs'

Application.enable_stubs!

Application.stub('persistence.db', stubbed_db)

Typically, you want to use enable_stubs! in a test helper file, before booting your system.

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