json-stable-stringify/test/str.js

deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results

'use strict';

var test = require('tape');
var stringify = require('../');

test('simple object', function (t) {
	t.plan(1);
	var obj = { c: 6, b: [4, 5], a: 3, z: null };
	t.equal(stringify(obj), '{"a":3,"b":[4,5],"c":6,"z":null}');
});

test('object with undefined', function (t) {
	t.plan(1);
	var obj = { a: 3, z: undefined };
	t.equal(stringify(obj), '{"a":3}');
});

test('array with undefined', function (t) {
	t.plan(1);
	var obj = [4, undefined, 6];
	t.equal(stringify(obj), '[4,null,6]');
});

test('object with empty string', function (t) {
	t.plan(1);
	var obj = { a: 3, z: '' };
	t.equal(stringify(obj), '{"a":3,"z":""}');
});

test('array with empty string', function (t) {
	t.plan(1);
	var obj = [4, '', 6];
	t.equal(stringify(obj), '[4,"",6]');
});

test('raw string', function (t) {
	t.plan(1);
	var input = 'raw';
	t.equal(stringify(input), '"raw"');
});

test('raw number', function (t) {
	t.plan(1);
	var input = 42;
	t.equal(stringify(input), '42');
});