Added tests for Refunds API

plugins/woocommerce/tests/e2e/api-core-tests/data/index.js

@@ -1,5 +1,6 @@
 const { order, getOrderExample } = require('./order');
 const { coupon } = require('./coupon');
+const { refund } = require('./refund');
 const shared = require('./shared');
 
 module.exports = {
@@ -7,4 +8,5 @@ module.exports = {
 	getOrderExample,
 	coupon,
 	shared,
+	refund,
 };

plugins/woocommerce/tests/e2e/api-core-tests/data/refund.js

@@ -0,0 +1,18 @@
+/**
+ * A basic refund.
+ *
+ * For more details on the order refund properties, see:
+ *
+ * https://woocommerce.github.io/woocommerce-rest-api-docs/#order-refund-properties
+ *
+ */
+const refund = {
+	api_refund: false,
+	amount: '1.00',
+	reason: 'Late delivery refund.',
+	line_items: [],
+};
+
+module.exports = {
+	refund: refund,
+};

plugins/woocommerce/tests/e2e/api-core-tests/endpoints/index.js

@@ -1,9 +1,11 @@
 const { ordersApi } = require('./orders');
 const { couponsApi } = require('./coupons');
 const { productsApi } = require('./products');
+const { refundsApi } = require('./refunds');
 
 module.exports = {
 	ordersApi,
 	couponsApi,
 	productsApi,
+	refundsApi,
 };

plugins/woocommerce/tests/e2e/api-core-tests/endpoints/refunds.js

@@ -0,0 +1,60 @@
+/**
+ * Internal dependencies
+ */
+const {
+	getRequest,
+	postRequest,
+	putRequest,
+	deleteRequest,
+} = require( '../utils/request' );
+
+/**
+ * WooCommerce Refunds endpoints.
+ *
+ * https://woocommerce.github.io/woocommerce-rest-api-docs/#refunds
+ */
+const refundsApi = {
+	name: 'Refunds',
+	create: {
+		name: 'Create a refund',
+		method: 'POST',
+		path: 'orders/<id>/refunds',
+		responseCode: 201,
+		refund: async ( orderId, refundDetails ) =>
+			postRequest( `orders/${ orderId }/refunds`, refundDetails ),
+	},
+	retrieve: {
+		name: 'Retrieve a refund',
+		method: 'GET',
+		path: 'orders/<id>/refunds/<refund_id>',
+		responseCode: 200,
+		refund: async ( orderId, refundId ) =>
+			getRequest( `orders/${ orderId }/refunds/${ refundId }` ),
+	},
+	listAll: {
+		name: 'List all refunds',
+		method: 'GET',
+		path: 'orders/<id>/refunds',
+		responseCode: 200,
+		refunds: async ( orderId ) =>
+			getRequest( `orders/${ orderId }/refunds` ),
+	},
+	delete: {
+		name: 'Delete a refund',
+		method: 'DELETE',
+		path: 'orders/<id>/refunds/<refund_id>',
+		responseCode: 200,
+		payload: {
+			force: false,
+		},
+		refund: async ( orderId, refundId, deletePermanently ) =>
+			deleteRequest(
+				`orders/${ orderId }/refunds/${ refundId }`,
+				deletePermanently
+			),
+	},
+};
+
+module.exports = {
+	refundsApi: refundsApi,
+};

plugins/woocommerce/tests/e2e/api-core-tests/tests/refunds/refunds.test.js

@@ -0,0 +1,123 @@
+const { refundsApi } = require( '../../endpoints/refunds' );
+const { ordersApi } = require( '../../endpoints/orders' );
+const { productsApi } = require( '../../endpoints/products' );
+const { refund } = require( '../../data' );
+const { expect } = require( '@jest/globals' );
+
+/**
+ * Tests for the WooCommerce Refunds API.
+ *
+ * @group api
+ * @group refunds
+ *
+ */
+describe( 'Refunds API tests', () => {
+	let expectedRefund;
+	let orderId;
+	let productId;
+
+	beforeAll( async () => {
+		// Create a product and save its product ID
+		const product = {
+			name: 'Simple Product for Refunds API tests',
+			regular_price: '100',
+		};
+		const createProductResponse = await productsApi.create.product(
+			product
+		);
+		productId = createProductResponse.body.id;
+
+		// Create an order with a product line item, and save its Order ID
+		const order = {
+			status: 'pending',
+			line_items: [
+				{
+					product_id: productId,
+				},
+			],
+		};
+		const createOrderResponse = await ordersApi.create.order( order );
+		orderId = createOrderResponse.body.id;
+
+		// Setup the expected refund object
+		expectedRefund = {
+			...refund,
+			line_items: [
+				{
+					product_id: productId,
+				},
+			],
+		};
+	} );
+
+	afterAll( async () => {
+		// Cleanup the created product and order
+		await productsApi.delete.product( productId, true );
+		await ordersApi.delete.order( orderId, true );
+	} );
+
+	it( 'can create a refund', async () => {
+		const { status, body } = await refundsApi.create.refund(
+			orderId,
+			expectedRefund
+		);
+		expect( status ).toEqual( refundsApi.create.responseCode );
+		expect( body.id ).toBeDefined();
+
+		// Save the refund ID
+		expectedRefund.id = body.id;
+
+		// Verify that the order was refunded.
+		const getOrderResponse = await ordersApi.retrieve.order( orderId );
+		expect( getOrderResponse.body.refunds ).toHaveLength( 1 );
+		expect( getOrderResponse.body.refunds[ 0 ].id ).toEqual(
+			expectedRefund.id
+		);
+		expect( getOrderResponse.body.refunds[ 0 ].reason ).toEqual(
+			expectedRefund.reason
+		);
+		expect( getOrderResponse.body.refunds[ 0 ].total ).toEqual(
+			`-${ expectedRefund.amount }`
+		);
+	} );
+
+	it( 'can retrieve a refund', async () => {
+		const { status, body } = await refundsApi.retrieve.refund(
+			orderId,
+			expectedRefund.id
+		);
+
+		expect( status ).toEqual( refundsApi.retrieve.responseCode );
+		expect( body.id ).toEqual( expectedRefund.id );
+	} );
+
+	it( 'can list all refunds', async () => {
+		const { status, body } = await refundsApi.listAll.refunds( orderId );
+
+		expect( status ).toEqual( refundsApi.listAll.responseCode );
+		expect( body ).toHaveLength( 1 );
+		expect( body[ 0 ].id ).toEqual( expectedRefund.id );
+	} );
+
+	it( 'can delete a refund', async () => {
+		const { status, body } = await refundsApi.delete.refund(
+			orderId,
+			expectedRefund.id,
+			true
+		);
+
+		expect( status ).toEqual( refundsApi.delete.responseCode );
+		expect( body.id ).toEqual( expectedRefund.id );
+
+		// Verify that the refund cannot be retrieved
+		const retrieveRefundResponse = await refundsApi.retrieve.refund(
+			orderId,
+			expectedRefund.id
+		);
+		expect( retrieveRefundResponse.status ).toEqual( 404 );
+
+		// Verify that the order no longer has a refund
+		const retrieveOrderResponse = await ordersApi.retrieve.order( orderId );
+		expect( retrieveOrderResponse.body.refunds ).toHaveLength( 0 );
+	} );
+} );