source: node_modules/traverse/test/json.js

'use strict';

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

test('json test', function (t) {
        var id = 54;
        var callbacks = {};
        var obj = { moo: function () {}, foo: [2, 3, 4, function () {}] };

        var scrubbed = traverse(obj).map(function (x) {
                if (typeof x === 'function') {
                        callbacks[id] = { id: id, f: x, path: this.path };
                        this.update('[Function]');
                        id += 1;
                }
        });

        t.equal(
                scrubbed.moo,
                '[Function]',
                'obj.moo replaced with "[Function]"'
        );

        t.equal(
                scrubbed.foo[3],
                '[Function]',
                'obj.foo[3] replaced with "[Function]"'
        );

        t.same(scrubbed, {
                moo: '[Function]',
                foo: [2, 3, 4, '[Function]'],
        }, 'Full JSON string matches');

        t.same(
                typeof obj.moo,
                'function',
                'Original obj.moo still a function'
        );

        t.same(
                typeof obj.foo[3],
                'function',
                'Original obj.foo[3] still a function'
        );

        t.same(callbacks, {
                54: { id: 54, f: obj.moo, path: ['moo'] },
                55: { id: 55, f: obj.foo[3], path: ['foo', '3'] },
        }, 'Check the generated callbacks list');

        t.end();
});