Selenium Node Adapter. A light-weight Selenium RC client for NodeJS, with additional Saucelabs integration for acceptance testing in the cloud.
via npm:
$ npm install soda
- TJ Holowaychuk (visionmedia)
- Adam Christian (admc)
- Daniel Shaw (dshaw)
The examples provided in ./examples are intended to be run against Selenium RC, which can be downloaded here. Once installed simply execute the following command to start the selenium server:
$ java -jar selenium-server.jar
Then choose an example to run using soda:
$ node examples/google.js
"Selenese" actions include commands such as open and type. Every action has a corresponding Client method which accept a variable number of arguments followed by a callback Function which receives any potential err, the response body, and response object itself.
browser.session(function(err){
browser.open('/', function(err, body, res){
browser.type('q', 'Hello World', function(err, body, res){
browser.testComplete(function(){
});
});
});
});
Because nested callbacks can quickly become overwhelming, Soda has optional chaining support by simply utilizing the .chain getter as shown below. If an exception is thrown in a callback, or a command fails then it will be passed to end(err). The .chain getter should only be used once, activating the chaining api.
browser
.chain
.session()
.open('/')
.type('q', 'Hello World')
.testComplete()
.end(function(err){
if (err) throw err;
console.log('done');
});
When chaining successful commands may receive a callback, which is useful for custom assertions:
browser
.chain
.session()
.open('/')
.getTitle(function(title){
assert.equal('Hello World', title);
})
.testComplete()
.end(function(err){
if (err) throw err;
})
With the .and() method you can add additional commands to the queue. The callback accepts the client instance, which is also the value of "this".
For example you may want to authenticate a user, note we do not use .chain or .end() again, this simply extends the current queue.
function login(user, pass) {
return function(browser) {
browser
.open('/login')
.type('username', name)
.type('password', pass)
.clickAndWait('login');
}
}
With this helper function we can now re-use this logic in several places, an express the tests in a more logical manor.
browser
.chain
.session()
.open('/')
.assertTitle('Something')
.and(login('foo', 'bar'))
.assertTitle('Foobar')
.and(login('someone', 'else'))
.assertTitle('Someone else')
.end(function(err){
if (err) throw err;
});
When a job is complete, you can request the log or flv video from Sauce Labs. To access the url for these resources you may use SauceClient#videoUrl or SauceClient#logUrl, for example:
...
.end(function(err){
console.log(this.videoUrl)
console.log(this.logUrl)
})
Sauce Labs also provides a script that you may embed in your CI server to display the video, accessible via SauceClient#video, which will yield something similar to:
<script src="http://saucelabs.com/video-embed/<job-id>.js?username=<username>&access_key=<access-key>"/>
var soda = require('soda')
, assert = require('assert');
var browser = soda.createClient({
host: 'localhost'
, port: 4444
, url: 'http://www.google.com'
, browser: 'firefox'
});
browser
.chain
.session()
.open('/')
.type('q', 'Hello World')
.clickAndWait('btnG')
.getTitle(function(title){
assert.ok(~title.indexOf('Hello World'))
})
.testComplete()
.end(function(err){
if (err) throw err;
console.log('done');
});
var soda = require('soda')
, assert = require('assert');
var browser = soda.createSauceClient({
'url': 'http://sirrobertborden.ca.app.learnboost.com/'
, 'username': '<your username>'
, 'access-key': '<your api key>'
, 'os': 'Linux'
, 'browser': 'firefox'
, 'browser-version': '3.'
, 'max-duration': 300 // 5 minutes
});
// Log commands as they are fired
browser.on('command', function(cmd, args){
console.log(' \x1b[33m%s\x1b[0m: %s', cmd, args.join(', '));
});
browser
.chain
.session()
.setTimeout(8000)
.open('/')
.waitForPageToLoad(5000)
.clickAndWait('//input[@value="Submit"]')
.clickAndWait('link=Settings')
.type('user[name][first]', 'TJ')
.clickAndWait('//input[@value="Save"]')
.assertTextPresent('Account info updated')
.clickAndWait('link=Log out')
.testComplete()
.end(function(err){
if (err) throw err;
console.log('done');
});
Keep in mind you can extend the prototype as needed for your test. An example of this which we frequently use is waitForDialog(). Since the exports of require('soda') is the Client itself we can extend it as shown below, in our case waiting for an element with the class of ".dialog" to be present.
soda.prototype.waitForDialog = function() {
return this.waitForElementPresent('css=.dialog');
};
First we need to start Selenium RC:
$ java -jar selenium-server.jar
Then run:
$ make test
- Sauce Labs Supported Browsers
- Introduction to Selenese
- Selenium Command Reference.
(The MIT License)
Copyright (c) 2010 LearnBoost <[email protected]>
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