/
index.test.ts
72 lines (57 loc) · 1.86 KB
/
index.test.ts
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
import prettyFormat from 'pretty-format';
import fs from 'fs';
import os from 'os';
import path from 'path';
import serializer from '..';
const objs = [
3,
null,
[0, true, '2', [3.14, {}, null]],
{key1: 'foo', key2: 'bar', key3: {array: [null, {}]}},
{minusInf: -Infinity, nan: NaN, plusInf: +Infinity},
{date: new Date(1234567890), re: /foo/gi},
// @ts-ignore - testing NaN
{map: new Map([[NaN, 4], [undefined, 'm']]), set: new Set([undefined, NaN])},
{buf: Buffer.from([0, 255, 127])},
];
const file = path.join(os.tmpdir(), '__jest-serialize-test__');
afterEach(() => {
try {
fs.unlinkSync(file);
} catch (err) {
// Do nothing if file does not exist.
}
});
describe('Using V8 implementation', () => {
it('throws the error with an invalid serialization', () => {
// No chance this is a valid serialization, neither in JSON nor V8.
const invalidBuffer = Buffer.from([0, 85, 170, 255]);
fs.writeFileSync(file, invalidBuffer);
expect(() => serializer.deserialize(invalidBuffer)).toThrow();
expect(() => serializer.readFileSync(file)).toThrow();
});
objs.forEach((obj, i) => {
describe('Object ' + i, () => {
it('serializes/deserializes in memory', () => {
const buf = serializer.serialize(obj);
expect(buf).toBeInstanceOf(Buffer);
expect(prettyFormat(serializer.deserialize(buf))).toEqual(
prettyFormat(obj),
);
});
it('serializes/deserializes in disk', () => {
serializer.writeFileSync(file, obj);
expect(prettyFormat(serializer.readFileSync(file))).toEqual(
prettyFormat(obj),
);
});
});
});
});