Improve the demo experience

rails-app/test/controllers/products_controller_test.rb

@@ -0,0 +1,48 @@
+require 'test_helper'
+
+class ProductsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @product = products(:one)
+  end
+
+  test "should get index" do
+    get products_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_product_url
+    assert_response :success
+  end
+
+  test "should create product" do
+    assert_difference('Product.count') do
+      post products_url, params: { product: { description: @product.description, name: @product.name, price: @product.price } }
+    end
+
+    assert_redirected_to product_url(Product.last)
+  end
+
+  test "should show product" do
+    get product_url(@product)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_product_url(@product)
+    assert_response :success
+  end
+
+  test "should update product" do
+    patch product_url(@product), params: { product: { description: @product.description, name: @product.name, price: @product.price } }
+    assert_redirected_to product_url(@product)
+  end
+
+  test "should destroy product" do
+    assert_difference('Product.count', -1) do
+      delete product_url(@product)
+    end
+
+    assert_redirected_to products_url
+  end
+end