Add tests for FormBuilder

app/helpers/polaris/form_builder.rb

@@ -1,5 +1,7 @@
 module Polaris
   class FormBuilder < ActionView::Helpers::FormBuilder
+    include ActionView::Helpers::OutputSafetyHelper
+
     attr_reader :template
 
     delegate :render, :pluralize, to: :template

test/helpers/polaris/form_builder_test.rb

@@ -0,0 +1,92 @@
+require "test_helper"
+
+class Polaris::ViewHelperTest < ActionView::TestCase
+  include Polaris::ComponentTestHelpers
+
+  class Product
+    include ActiveModel::Model
+    attr_accessor :title, :status, :accept, :access
+  end
+
+  setup do
+    @product = Product.new
+    @builder = Polaris::FormBuilder.new(:product, @product, self, {})
+  end
+
+  test "#errors_summary" do
+    @product.errors.add(:base, "Base Error")
+
+    @rendered_component = @builder.errors_summary
+
+    assert_selector ".Polaris-Banner--statusCritical" do
+      assert_text "1 error with this product"
+      assert_selector ".Polaris-Banner__Content" do
+        assert_selector "li", text: "Base Error"
+      end
+    end
+  end
+
+  test "#error_for" do
+    @product.errors.add(:title, "Error")
+
+    assert_equal "Title Error", @builder.error_for(:title)
+  end
+
+  test "#polaris_inline_error_for" do
+    @product.errors.add(:title, "Error")
+
+    @rendered_component = @builder.polaris_inline_error_for(:title)
+
+    assert_selector ".Polaris-InlineError" do
+      assert_selector ".Polaris-InlineError__Icon"
+      assert_text "Title Error"
+    end
+  end
+
+  test "#polaris_text_field" do
+    @rendered_component = @builder.polaris_text_field(:title, help_text: "Help Text")
+
+    assert_selector ".Polaris-Label" do
+      assert_selector "label", text: "Title"
+    end
+    assert_selector ".Polaris-TextField" do
+      assert_selector %(input[name="product[title]"])
+      assert_selector ".Polaris-Labelled__HelpText", text: "Help Text"
+    end
+  end
+
+  test "#polaris_select" do
+    @rendered_component = @builder.polaris_select(:status, options: {"Active" => "active", "Draft" => "draft"})
+
+    assert_selector ".Polaris-Label" do
+      assert_selector "label", text: "Status"
+    end
+    assert_selector ".Polaris-Select" do
+      assert_selector %(select[name="product[status]"])
+      assert_selector "option[value=active]"
+      assert_selector "option[value=draft]"
+    end
+  end
+
+  test "#polaris_check_box" do
+    @rendered_component = @builder.polaris_check_box(:accept, label: "Checkbox Label")
+
+    assert_selector "label.Polaris-Choice" do
+      assert_selector ".Polaris-Choice__Label", text: "Checkbox Label"
+      assert_selector ".Polaris-Checkbox" do
+        assert_selector %(input[name="product[accept]"][type="checkbox"])
+      end
+    end
+  end
+
+  test "#polaris_radio_button" do
+    @rendered_component = @builder.polaris_radio_button(:access, value: :allow, label: "Radio Label")
+
+    assert_selector "label.Polaris-Choice" do
+      assert_selector ".Polaris-Choice__Label", text: "Radio Label"
+      assert_selector ".Polaris-RadioButton" do
+        assert_selector %(input[name="product[access]"][value="allow"][type="radio"])
+      end
+    end
+  end
+end