registration tests

templates/auth/register/ts/userExists.test.ts

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2021  Aravinth Manivannan <realaravinth@batsense.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import fetchMock from 'jest-fetch-mock';
+
+import userExists from './userExists';
+
+import {mockAlert, getLoginFormHtml} from '../../../setUpTests';
+
+fetchMock.enableMocks();
+mockAlert();
+
+beforeEach(() => {
+  fetchMock.resetMocks();
+});
+
+it('finds exchange', async () => {
+  fetchMock.mockResponseOnce(JSON.stringify({exists: true}));
+
+  document.body.innerHTML = getLoginFormHtml();
+  const usernameField = <HTMLInputElement>document.querySelector('#username');
+  usernameField.value = 'test';
+  expect(await userExists()).toBe(true);
+
+  fetchMock.mockResponseOnce(JSON.stringify({exists: false}));
+  expect(await userExists()).toBe(false);
+});