serialize-killer/lib/unserializable.test.js

Make your objects unserializable.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const unserializable_1 = require("./unserializable");
describe('unserializable', () => {
    it('returns a frozen value', () => {
        expect(Object.isFrozen((0, unserializable_1.unserializable)())).toBe(true);
    });
    it('cannot be unpoisoned', () => {
        const poison = (0, unserializable_1.unserializable)();
        expect(() => {
            delete poison.__unserializable__;
        }).toThrowErrorMatchingInlineSnapshot(`"Cannot delete property '__unserializable__' of #<Object>"`);
    });
    describe('as a standalone value', () => {
        it('prevents serialization', () => {
            expect(() => JSON.stringify((0, unserializable_1.unserializable)()))
                .toThrowErrorMatchingInlineSnapshot(`
        "Converting circular structure to JSON
            --> starting at object with constructor 'Object'
            --- property '__unserializable__' closes the circle"
      `);
        });
    });
    describe('as a top-level value in an object', () => {
        it('prevents serialization', () => {
            expect(() => JSON.stringify({
                _: (0, unserializable_1.unserializable)(),
                hello: 'world',
            })).toThrowErrorMatchingInlineSnapshot(`
        "Converting circular structure to JSON
            --> starting at object with constructor 'Object'
            --- property '__unserializable__' closes the circle"
      `);
        });
    });
    describe('as an element in an array', () => {
        it('prevents serialization', () => {
            expect(() => JSON.stringify(['hello', (0, unserializable_1.unserializable)(), 'world']))
                .toThrowErrorMatchingInlineSnapshot(`
        "Converting circular structure to JSON
            --> starting at object with constructor 'Object'
            --- property '__unserializable__' closes the circle"
      `);
        });
    });
});