import { required } from "@/helpers/validation-rules"; describe("validation-rules.vue", () => { test("required rules should return error if value missing", () => { //Arrange const testFn = required("an error"); //Act const testResponse = testFn(); //Assert expect(testResponse).toBe("an error"); }); }); describe("validation-rules.vue", () => { test("required rules should return true if value present", () => { //Arrange const testFn = required("an error"); //Act const testResponse = testFn('some value'); //Assert expect(testResponse).toBe(true); }); });