What is Protactor Frameowrk in Angular JS?
Protractor, formally known as E2E testing framework, is an open source functional automation framework designed specifically for AngularJS web applications. It was introduced during AngularJS 1.2 as a replacement of the existing E2E testing framework.
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.
Protractor is a Node.js program, and runs end-to-end tests that are also written in JavaScript and run with node. Protractor uses WebDriver to control browsers and simulate user actions.
Protractor uses Jasmine for its test syntax. As in unit testing, a test file is comprised of one or more it blocks that describe the requirements of your application. it blocks are made of commands and expectations. Commands tell Protractor to do something with the application such as navigate to a page or click on a button. Expectations tell Protractor to assert something about the application's state, such as the value of a field or the current URL.
If any expectation within an it block fails, the runner marks the it as "failed" and continues on to the next block.
Node Code Setup
npm install -g protractor
This will install two command line tools, protractor and webdriver-manager. Try running protractor --version to make sure it's working.
The webdriver-manager is a helper tool to easily get an instance of a Selenium Server running. Use it to download the necessary binaries wit
webdriver-manager update
Now start up a server with:
webdriver-manager start
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. You can see information about the status of the server at http://localhost:4444/wd/hub.
Simple Example Test
describe('TODO list', function() {
it('should filter results', function() {
// Find the element with ng-model="user" and type "jacksparrow" into it
element(by.model('user')).sendKeys('jacksparrow');
// Find the first (and only) button on the page and click it
element(by.css(':button')).click();
// Verify that there are 10 tasks
expect(element.all(by.repeater('task in tasks')).count()).toEqual(10);
// Enter 'groceries' into the element with ng-model="filterText"
element(by.model('filterText')).sendKeys('groceries');
// Verify that now there is only one item in the task list
expect(element.all(by.repeater('task in tasks')).count()).toEqual(1);
});
});
Video for Protactor E2E
https://www.youtube.com/watch?v=idb6hOxlyb8
