Module: ViewComponent::TestHelpers

Included in:
TestCase
Defined in:
lib/view_component/test_helpers.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#rendered_component ⇒ Object (readonly)

Returns the value of attribute rendered_component.



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# File 'lib/view_component/test_helpers.rb', line 30

def rendered_component
  @rendered_component
end

Instance Method Details

#build_controller(klass) ⇒ Object 



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# File 'lib/view_component/test_helpers.rb', line 85

def build_controller(klass)
  klass.new.tap { |c| c.request = request }.extend(Rails.application.routes.url_helpers)
end

#controller ⇒ Object 



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# File 'lib/view_component/test_helpers.rb', line 43

def controller
  @controller ||= build_controller(Base.test_controller.constantize)
end

#render_inline(component, **args, &block) ⇒ Object 



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# File 'lib/view_component/test_helpers.rb', line 32

def render_inline(component, **args, &block)
  @rendered_component =
    if Rails.version.to_f >= 6.1
      controller.view_context.render(component, args, &block)
    else
      controller.view_context.render_component(component, &block)
    end

  Nokogiri::HTML.fragment(@rendered_component)
end

#request ⇒ Object 



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# File 'lib/view_component/test_helpers.rb', line 47

def request
  @request ||=
    begin
      request = ActionDispatch::TestRequest.create
      request.session = ActionController::TestSession.new
      request
    end
end

#with_controller_class(klass) ⇒ Object 



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# File 'lib/view_component/test_helpers.rb', line 65

def with_controller_class(klass)
  old_controller = defined?(@controller) && @controller

  @controller = build_controller(klass)
  yield
ensure
  @controller = old_controller
end

#with_request_url(path) ⇒ Object 



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# File 'lib/view_component/test_helpers.rb', line 74

def with_request_url(path)
  old_request_path_parameters = request.path_parameters
  old_controller = defined?(@controller) && @controller

  request.path_parameters = Rails.application.routes.recognize_path(path)
  yield
ensure
  request.path_parameters = old_request_path_parameters
  @controller = old_controller
end

#with_variant(variant) ⇒ Object 



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# File 'lib/view_component/test_helpers.rb', line 56

def with_variant(variant)
  old_variants = controller.view_context.lookup_context.variants

  controller.view_context.lookup_context.variants = variant
  yield
ensure
  controller.view_context.lookup_context.variants = old_variants
end