Add more tests

src/express-validator.spec.ts

@@ -1,15 +1,9 @@
-import {
-  CustomSanitizer,
-  CustomValidator,
-  FieldValidationError,
-  Meta,
-  ValidationError,
-} from './base';
+import { AlternativeValidationError, FieldValidationError, Meta, ValidationError } from './base';
 import { ExpressValidator } from './express-validator';
 
 describe('ExpressValidator', () => {
-  let isAllowedDomain: CustomValidator;
-  let removeEmailAttribute: CustomSanitizer;
+  let isAllowedDomain: jest.Mock;
+  let removeEmailAttribute: jest.Mock;
   const createInstance = () => new ExpressValidator({ isAllowedDomain }, { removeEmailAttribute });
 
   beforeEach(() => {
@@ -68,6 +62,23 @@ describe('ExpressValidator', () => {
     });
   });
 
+  describe('#oneOf()', () => {
+    it('can be used with custom chains', async () => {
+      const req = { query: { foo: 1 } };
+      const { check, oneOf } = createInstance();
+      isAllowedDomain.mockImplementation(() => {
+        throw new Error('wow');
+      });
+
+      const result = await oneOf([check('foo').isString(), check('foo').isAllowedDomain()], {
+        errorType: 'flat',
+      }).run(req);
+      const [error] = result.array();
+      const { nestedErrors } = error as AlternativeValidationError;
+      expect(nestedErrors[1]).toMatchObject({ msg: 'wow' });
+    });
+  });
+
   describe('#checkSchema()', () => {
     it('creates a schema with the extension methods', async () => {
       const { checkSchema } = createInstance();
@@ -142,4 +153,15 @@ describe('ExpressValidator', () => {
       expect(error).toBe('field: not exists');
     });
   });
+
+  describe('#matchedData()', () => {
+    it('can be used on custom chains', async () => {
+      const req = { query: { foo: 1 } };
+      const { check, matchedData } = createInstance();
+      await check('foo').isAllowedDomain().run(req);
+
+      const data = matchedData(req);
+      expect(data.foo).toBe(1);
+    });
+  });
 });