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Setting up Selenium

Selenium is a portable software testing framework for web applications. We will be using the Selenium WebDriver and Selenium Server to run automated tests. Protractor is "an end-to-end test framework for AngularJS applications. Protractor runs tests against your application running in a real browser, interacting with it as a user would".

Setting up locally

To set up a local standalone Selenium Server, you will need to have the Java Development Kit (JDK) installed. Check this by running java -version from the command line.

Install Protractor globally with:

npm install -g protractor

Or if you get an 'EACCES' error try:

sudo npm install -g protractor

Run:

webdriver-manager update

Now start up a server with:

webdriver-manager start

Again, try using sudo if you get a permission error.

This will start up a Selenium Server and will output a bunch of info logs. Your Protractor test will send requests to this server to control a local browser. Leave this server running throughout the tutorial. You can see information about the status of the server at http://localhost:4444/wd/hub .

More details can be found here.

Creating a Sauce Labs account

To run automated tests that use a Selenium Server on Travis CI or Heroku you need use Sauce Labs' Selenium Server.

Start by creating an Open Sauce account. Make sure to select the Open Sauce plan, and to provide the name of your repository that you will be working on.

Then get your access key from your account page.

Travis CI needs to know your Sauce Labs username and access key. On the Travis CI website you should set the following environment variables:

  • SAUCE_USERNAME
  • SAUCE_ACCESS_KEY

More details on how to set Travis CI environment variables here.

Fixing the "No Selenium Server Jar" problem.

To fix:

Error: No selenium server jar found at the specified location (/Users/pconrad/github/pconrad/awesome-ui-backend-node-heroku/node_modules/protractor/selenium/selenium-server-standalone-2.45.0.jar). Check that the version number is up to date.

Do this:

./node_modules/protractor/bin/webdriver-manager update

as described here: http://hisabimbola.blogspot.com/2015/03/fix-error-no-selenium-server-jar-found.html