@tetcoin/util/is/jsonObject.spec.js

A collection of useful utilities for @tetcoin

"use strict";

var _ = require(".");

// Copyright 2017-2019 @polkadot/util authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
const jsonObject = "{\n    \"Test\": \"1234\",\n    \"NestedTest\": {\n      \"Test\": \"5678\"\n    }\n  }";
describe('isJsonObject', () => {
  it('returns true on empty objects', () => {
    expect((0, _.isJsonObject)({})).toEqual(true);
  });
  it('returns true on JSON objects', () => {
    expect((0, _.isJsonObject)(jsonObject)).toEqual(true);
  });
  it('returns false on JSON parsable value typeof number', () => {
    expect((0, _.isJsonObject)(1234)).toEqual(false);
  });
  it('returns false on JSON parsable value null', () => {
    expect((0, _.isJsonObject)(null)).toEqual(false);
  });
  it('returns false on invalid objects', () => {
    expect((0, _.isJsonObject)('notAnObject')).toEqual(false);
  });
  it('returns false on invalid JSON', () => {
    expect((0, _.isJsonObject)("{\"abc\", \"def\"}")).toEqual(false);
  });
});