1 files changed, 110 insertions, 0 deletions
diff --git a/spec/components/pajamas/concerns/checkbox_radio_label_with_help_text_spec.rb b/spec/components/pajamas/concerns/checkbox_radio_label_with_help_text_spec.rb
new file mode 100644
index 00000000000..7a792592b3c
--- /dev/null
+++ b/spec/components/pajamas/concerns/checkbox_radio_label_with_help_text_spec.rb
@@ -0,0 +1,110 @@
+# frozen_string_literal: true
+require "spec_helper"
+
+RSpec.describe Pajamas::Concerns::CheckboxRadioLabelWithHelpText do
+  let(:form) { instance_double('ActionView::Helpers::FormBuilder') }
+  let(:component_class) do
+    Class.new do
+      attr_reader(
+        :form,
+        :method,
+        :label_argument,
+        :help_text_argument,
+        :label_options,
+        :input_options,
+        :value
+      )
+
+      def initialize(
+        form:,
+        method:,
+        label: nil,
+        help_text: nil,
+        label_options: {},
+        radio_options: {},
+        value: nil
+      )
+        @form = form
+        @method = method
+        @label_argument = label
+        @help_text_argument = help_text
+        @label_options = label_options
+        @input_options = radio_options
+        @value = value
+      end
+
+      def label_content
+        @label_argument
+      end
+
+      def help_text_content
+        @help_text_argument
+      end
+
+      def format_options(options:, css_classes: [], additional_options: {})
+        {}
+      end
+
+      include Pajamas::Concerns::CheckboxRadioLabelWithHelpText
+      include ActionView::Helpers::TagHelper
+    end
+  end
+
+  let_it_be(:method) { 'username' }
+  let_it_be(:label_options) { { class: 'foo-bar' } }
+  let_it_be(:value) { 'Foo bar' }
+
+  describe '#render_label_with_help_text' do
+    it 'calls `#format_options` with correct arguments' do
+      allow(form).to receive(:label)
+
+      component = component_class.new(form: form, method: method, label_options: label_options, value: value)
+
+      expect(component).to receive(:format_options).with(
+        options: label_options,
+        css_classes: ['custom-control-label'],
+        additional_options: { value: value }
+      )
+
+      component.render_label_with_help_text
+    end
+
+    context 'when `help_text` argument is passed' do
+      it 'calls `form.label` with `label` and `help_text` arguments used in the block' do
+        component = component_class.new(
+          form: form,
+          method: method,
+          label: 'Label argument',
+          help_text: 'Help text argument'
+        )
+
+        expected_label_entry = '<span>Label argument</span><p class="help-text"' \
+        ' data-testid="pajamas-component-help-text">Help text argument</p>'
+
+        expect(form).to receive(:label).with(method, {}) do |&block|
+          expect(block.call).to eq(expected_label_entry)
+        end
+
+        component.render_label_with_help_text
+      end
+    end
+
+    context 'when `help_text` argument is not passed' do
+      it 'calls `form.label` with `label` argument used in the block' do
+        component = component_class.new(
+          form: form,
+          method: method,
+          label: 'Label argument'
+        )
+
+        expected_label_entry = '<span>Label argument</span>'
+
+        expect(form).to receive(:label).with(method, {}) do |&block|
+          expect(block.call).to eq(expected_label_entry)
+        end
+
+        component.render_label_with_help_text
+      end
+    end
+  end
+end