var toFormData = require("../../../lib/helpers/toFormData"); describe("toFormData", function () { it("Convert nested data object to FormDAta", function () { var o = { val: 123, nested: { arr: ["hello", "world"], }, }; convertedVal = toFormData(o); expect(convertedVal instanceof FormData).toEqual(true); expect(Array.from(convertedVal.keys()).length).toEqual(3); expect(convertedVal.get("val")).toEqual("123") expect(convertedVal.get("nested.arr.0")).toEqual("hello") }); });