| 'use strict'; |
| |
| var test = require('tape'); |
| |
| var getSideChannel = require('../'); |
| |
| test('export', function (t) { |
| t.equal(typeof getSideChannel, 'function', 'is a function'); |
| t.equal(getSideChannel.length, 0, 'takes no arguments'); |
| |
| var channel = getSideChannel(); |
| t.ok(channel, 'is truthy'); |
| t.equal(typeof channel, 'object', 'is an object'); |
| |
| t.end(); |
| }); |
| |
| test('assert', function (t) { |
| var channel = getSideChannel(); |
| t['throws']( |
| function () { channel.assert({}); }, |
| TypeError, |
| 'nonexistent value throws' |
| ); |
| |
| var o = {}; |
| channel.set(o, 'data'); |
| t.doesNotThrow(function () { channel.assert(o); }, 'existent value noops'); |
| |
| t.end(); |
| }); |
| |
| test('has', function (t) { |
| var channel = getSideChannel(); |
| var o = []; |
| |
| t.equal(channel.has(o), false, 'nonexistent value yields false'); |
| |
| channel.set(o, 'foo'); |
| t.equal(channel.has(o), true, 'existent value yields true'); |
| |
| t.end(); |
| }); |
| |
| test('get', function (t) { |
| var channel = getSideChannel(); |
| var o = {}; |
| t.equal(channel.get(o), undefined, 'nonexistent value yields undefined'); |
| |
| var data = {}; |
| channel.set(o, data); |
| t.equal(channel.get(o), data, '"get" yields data set by "set"'); |
| |
| t.end(); |
| }); |
| |
| test('set', function (t) { |
| var channel = getSideChannel(); |
| var o = function () {}; |
| t.equal(channel.get(o), undefined, 'value not set'); |
| |
| channel.set(o, 42); |
| t.equal(channel.get(o), 42, 'value was set'); |
| |
| channel.set(o, Infinity); |
| t.equal(channel.get(o), Infinity, 'value was set again'); |
| |
| t.end(); |
| }); |