Merge pull request #14 from pantographe/check-box-component

Add Form::CheckBoxComponent

app/components/view_component/form/check_box_component.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module ViewComponent
+  module Form
+    class CheckBoxComponent < FieldComponent
+      attr_reader :checked_value, :unchecked_value
+
+      def initialize(form, object_name, method_name, checked_value, unchecked_value, options = {}) # rubocop:disable Metrics/ParameterLists
+        @checked_value   = checked_value
+        @unchecked_value = unchecked_value
+
+        super(form, object_name, method_name, options)
+      end
+
+      def call
+        ActionView::Helpers::Tags::CheckBox.new(
+          object_name,
+          method_name,
+          form,
+          checked_value,
+          unchecked_value,
+          options
+        ).render
+      end
+    end
+  end
+end

spec/view_component/form/check_box_component_spec.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+RSpec.describe ViewComponent::Form::CheckBoxComponent, type: :component do
+  let(:object)  { OpenStruct.new }
+  let(:form)    { form_with(object) }
+  let(:options) { {} }
+
+  let(:component) { render_inline(described_class.new(form, object_name, :admin, "1", "0", options)) }
+  let(:component_html_attributes) { component.css("input").last.attributes }
+
+  context "with simple args" do
+    it do
+      expect(component.to_html).to eq(
+        %(<input name="user[admin]" type="hidden" value="0">) +
+          %(<input type="checkbox" value="1" name="user[admin]" id="user_admin">)
+      )
+    end
+  end
+
+  include_examples "component with custom html classes"
+  include_examples "component with custom data attributes"
+end