Add validateOn validation to FieldSpec

test/unit/field/FieldSpec.ts

@@ -1,7 +1,30 @@
 import * as chai from 'chai';
+import KnockoutValidator from "../../../src/lib/KnockoutValidator";
+import Field from "../../../src/lib/fields/Field";
+import * as ko from 'knockout';
 const {expect} = chai;
 
-// describe('Field', () =>
-// {
-//
-// });
+describe('Field', () =>
+{
+	describe('with validateOn prop of "value"', () =>
+	{
+		const testValidator = new KnockoutValidator();
+		const testField = new Field('test', null);
+		testField.name = 'testField';
+		testField.validator = testValidator;
+		testField.validateOn = 'value';
+		testField.value = ko.observable('');
+		testField.rule = /^[0-9]+$/;
+
+		it('should set the isValid state of the field to true after passing a valid value', done =>
+		{
+			testField.value('328492');
+			ko.tasks.schedule(() =>
+			{
+				expect(testField.isValid()).to.equal(true);
+				done();
+			});
+		});
+	});
+
+});