[Ramp up] Add tests for Products Update API

tests/Unit/Api/ProductCatalog/Products/Update/RequestTest.php

@@ -0,0 +1,29 @@
+<?php
+declare( strict_types=1 );
+
+namespace Unit\Api\ProductCatalog\Products\Update;
+
+use WC_Facebook_Product;
+use WC_Helper_Product;
+use WP_UnitTestCase;
+use WooCommerce;
+
+/**
+ * Test cases for product update API request
+ */
+class RequestTest extends WP_UnitTestCase {
+	/**
+	 * @return void
+	 */
+	public function test_request() {
+		$product          = WC_Helper_Product::create_simple_product();
+		$facebook_product = new WC_Facebook_Product( $product );
+		$product_id       = 'facebook-product-id';
+		$data             = $facebook_product->prepare_product();
+		$request          = new WooCommerce\Facebook\API\ProductCatalog\Products\Update\Request( $product_id, $data );
+
+		$this->assertEquals( 'POST', $request->get_method() );
+		$this->assertEquals( '/facebook-product-id', $request->get_path() );
+		$this->assertEquals( $data, $request->get_data() );
+	}
+}

tests/Unit/Api/ProductCatalog/Products/Update/ResponseTest.php

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+<?php
+declare( strict_types=1 );
+
+namespace Unit\Api\ProductCatalog\Products\Update;
+
+use WP_UnitTestCase;
+use WooCommerce;
+
+/**
+ * Api unit test clas.
+ */
+class ResponseTest extends WP_UnitTestCase {
+	/**
+	 * @return void
+	 */
+	public function test_request() {
+		$json     = '{"success":true}';
+		$response = new WooCommerce\Facebook\API\ProductCatalog\Products\Update\Response( $json );
+
+		$this->assertTrue( $response->success );
+	}
+}