initial test

Author: calebdeji

__tests__/index.test.ts

@@ -0,0 +1,45 @@
+import useNetworkStatusCode from '../src';
+import { renderHook, act } from '@testing-library/react-hooks';
+import { Server, Response } from 'miragejs';
+
+// mock timer using jest
+jest.useFakeTimers();
+
+describe('useMyHook', () => {
+	const authURL = '/example-endpoint';
+	it('returns statuscode as undefined when no api calls have been made', () => {
+		const { result } = renderHook(() =>
+			useNetworkStatusCode({
+				urls: [authURL]
+			})
+		);
+
+		expect(result.current.networkStatusCode).toStrictEqual({
+			[authURL]: undefined
+		});
+	});
+
+	it('returns status code of the endpoints specified', () => {
+		new Server({
+			routes() {
+				this.post(authURL, () => {
+					return new Response(
+						400,
+						{ some: 'header' },
+						{ errors: ['name cannot be blank'] }
+					);
+				});
+			}
+		});
+
+		const { result } = renderHook(() =>
+			useNetworkStatusCode({
+				urls: [authURL]
+			})
+		);
+
+		fetch(authURL);
+
+		expect(result.current.networkStatusCode[authURL]).toBe(400);
+	});
+});

package-lock.json

@@ -42,6 +42,7 @@
 		"@types/react": "^16.7.22",
 		"cross-env": "^5.2.0",
 		"gh-pages": "^2.0.1",
+		"miragejs": "^0.1.41",
 		"react": "^16.9.0",
 		"react-scripts": "^3.4.0",
 		"react-test-renderer": "^16.9.0",