chore(tests): add js validation tests

These are the first javascript unit tests. Added them to the CI worflow.
Closes #2930

web/tests/validation.test.ts

@@ -0,0 +1,42 @@
+import { isValidUrl, isValidAccount, isValidMatrixAccount } from '../utils/validators';
+
+describe('test url validation', () => {
+  const validURL = 'https://example.com';
+  const invalidURL = 'example.jfks';
+
+  test('should succeed', () => {
+    expect(isValidUrl(validURL)).toBe(true);
+  });
+
+  test('should fail', () => {
+    expect(isValidUrl(invalidURL)).toBe(false);
+  });
+});
+
+describe('test xmpp account validation', () => {
+  const validAccount = 'xmpp:something@test.biz';
+  const invalidAccount = 'something.invalid@something';
+
+  test('should succeed', () => {
+    expect(isValidAccount(validAccount, 'xmpp')).toBe(true);
+  });
+
+  test('should fail', () => {
+    expect(isValidAccount(invalidAccount, 'xmpp')).toBe(false);
+  });
+});
+
+describe('test matrix account validation', () => {
+  const validMatrixAccount = '@me:matrix.org';
+  const validMatrixAccountWithProtocol = 'matrix:@me:matrix.org';
+  const invalidMatrixAccount = 'something.invalid@something';
+
+  test('should succeed', () => {
+    expect(isValidMatrixAccount(validMatrixAccount)).toBe(true);
+    expect(isValidMatrixAccount(validMatrixAccountWithProtocol)).toBe(true);
+  });
+
+  test('should fail', () => {
+    expect(isValidMatrixAccount(invalidMatrixAccount)).toBe(false);
+  });
+});