replace validator module

src/test/validator-test.js

@@ -0,0 +1,33 @@
+'use strict';
+
+/* global it, describe, before, after */
+
+const expect = require('expect.js'),
+    validator = require('../validator.js');
+
+describe('Validator', function () {
+    const goodEmails = [
+        'a@b.com',
+        '1@2.com',
+        'a_v-d@b.com',
+        'a_v-d@b.what-is.de.com',
+        'a_v-d+gee@b.what-is.de.com',
+        'a_v-d+gee@b.what-is.de.university'
+    ];
+
+    for (const goodEmail of goodEmails) {
+        it(`isEmail returns false ${goodEmail}`, () => expect(validator.isEmail(goodEmail)).to.be(true));
+    }
+
+    const badEmails = [
+        'apple',
+        'a@',
+        '@b.com',
+        'user name@example.com',
+        'user@example#com'
+    ];
+
+    for (const badEmail of badEmails) {
+        it(`isEmail returns false ${badEmail}`, () => expect(validator.isEmail(badEmail)).to.be(false));
+    }
+});