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125 lines
2.7 KiB
125 lines
2.7 KiB
var assert = require('assert'),
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cb = require('../');
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function invokeAsync(callback) {
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setTimeout(function() {
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callback(null, 'foo');
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}, 100);
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}
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function invokeAsyncError(callback) {
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setTimeout(function() {
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callback(new Error());
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}, 100);
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}
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function invokeAsyncTwice(callback) {
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setTimeout(function() {
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callback(null, 'foo');
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callback(null, 'foo');
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}, 100);
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}
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describe('cb(callback)', function() {
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it('should invoke the provided callback', function(done) {
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invokeAsync(cb(function(err, res) {
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assert.strictEqual(res, 'foo');
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done();
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}));
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});
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it('shouldn\'t mess with errors', function(done) {
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invokeAsyncError(cb(function(err, res) {
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assert(err);
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done();
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}));
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});
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it('should allow multiple executions', function(done) {
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var count = 0;
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invokeAsyncTwice(cb(function(err, res) {
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count++;
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if (count === 2) done();
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}));
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});
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});
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describe('cb(callback).timeout(ms)', function() {
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it('should complete successfully within timeout period', function(done) {
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invokeAsync(cb(function(err, res) {
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assert.strictEqual(res, 'foo');
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done();
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}).timeout(200));
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});
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it('should complete with an error after timeout period', function(done) {
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invokeAsync(cb(function(err, res) {
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assert(err);
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done();
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}).timeout(50));
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});
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it('error resulting from a timeout should be instanceof cb.TimeoutError', function(done) {
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invokeAsync(cb(function(err, res) {
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assert(err instanceof cb.TimeoutError);
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done();
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}).timeout(50));
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});
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});
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describe('cb(callback).error(errback)', function() {
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it('should skip the err argument when invoking callback', function(done) {
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invokeAsync(cb(function(res) {
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assert.strictEqual(res, 'foo');
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done();
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}).error(assert.ifError));
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});
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it('should pass errors to provided errback', function(done) {
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invokeAsyncError(cb(function(res) {
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throw new Error('should not be invoked');
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}).error(function(err) {
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assert(err);
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done();
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}));
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});
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});
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describe('cb(callback).error(errback).timeout(ms)', function() {
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it('should skip the err argument when invoking callback', function(done) {
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invokeAsync(cb(function(res) {
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assert.strictEqual(res, 'foo');
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done();
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}).error(assert.ifError).timeout(200));
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});
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it('should pass timeout error to provided errback', function(done) {
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invokeAsyncError(cb(function(res) {
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throw new Error('should not be invoked');
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}).error(function(err) {
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assert(err);
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done();
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}).timeout(50));
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});
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});
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describe('cb(callback).once()', function() {
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it('should allow multiple executions', function(done) {
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var count = 0;
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invokeAsyncTwice(cb(function(err, res) {
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count++;
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assert.notEqual(count, 2);
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setTimeout(done, 100);
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}).once());
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});
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});
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