From b65eca8356b8c7b975cc337cf11e2b73ee3342f1 Mon Sep 17 00:00:00 2001
From: David Underwood <david@unprinted.email>
Date: Tue, 21 Jul 2026 09:39:05 -0400
Subject: [PATCH] Basic Product class

---
 product.rb           | 19 +++++++++++++++++++
 test/product_test.rb | 18 ++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 product.rb
 create mode 100644 test/product_test.rb

diff --git a/product.rb b/product.rb
new file mode 100644
index 0000000..d8faac1
--- /dev/null
+++ b/product.rb
@@ -0,0 +1,19 @@
+class Product
+  def initialize(price: 0.00, id:, description: '')
+    @price = price
+    @id = id
+    @description = description
+  end
+
+  def price
+    @price
+  end
+
+  def id
+    @id
+  end
+
+  def description
+    @description
+  end
+end
diff --git a/test/product_test.rb b/test/product_test.rb
new file mode 100644
index 0000000..84cd496
--- /dev/null
+++ b/test/product_test.rb
@@ -0,0 +1,18 @@
+require "minitest/autorun"
+
+require "product.rb"
+
+class ProductTest < Minitest::Test
+  def test_that_missing_id_raises_an_error
+    assert_raises ArgumentError do
+      Product.new()
+    end
+  end
+
+  def test_that_initializing_a_product_sets_instance_variables
+    product = Product.new(id: 'PICO2', price: 4.00)
+
+    assert_equal 'PICO2', product.id
+    assert_equal 4.00, product.price
+  end
+end