From 13f2dd6be9f771724d95516d7afd0047288e996e Mon Sep 17 00:00:00 2001
From: vedanshujain <vedanshu.jain.2012@gmail.com>
Date: Mon, 26 Oct 2020 23:48:51 +0530
Subject: [PATCH] Add unit tests towards issue #28100

---
 .../class-wc-customer-data-store-test.php     | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 tests/php/includes/data-stores/class-wc-customer-data-store-test.php

diff --git a/tests/php/includes/data-stores/class-wc-customer-data-store-test.php b/tests/php/includes/data-stores/class-wc-customer-data-store-test.php
new file mode 100644
index 00000000000..aaa3817fa2b
--- /dev/null
+++ b/tests/php/includes/data-stores/class-wc-customer-data-store-test.php
@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * Class WC_Customer_Data_Store_CPT_Test.
+ */
+class WC_Customer_Data_Store_CPT_Test extends WC_Unit_Test_Case {
+
+	/**
+	 * Test that metadata cannot overwrite customer's column data.
+	 *
+	 * @link https://github.com/woocommerce/woocommerce/issues/28100
+	 */
+	public function test_meta_data_cannot_overwrite_column_data() {
+		$customer    = WC_Helper_Customer::create_customer();
+		$customer_id = $customer->get_id();
+		$username    = $customer->get_username();
+		$customer->add_meta_data( 'id', '99999' );
+		$customer->add_meta_data( 'username', 'abcde' );
+		$customer->save();
+
+		$customer_datastore = new WC_Customer_Data_Store();
+		$customer_datastore->read( $customer );
+		$this->assertEquals( $customer_id, $customer->get_id() );
+		$this->assertEquals( $username, $customer->get_username() );
+	}
+}