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protractor

Webdriver E2E test wrapper for Angular.


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What is protractor?

Protractor is an end-to-end test framework for Angular and AngularJS applications. It runs tests against your application running in a real browser, interacting with it as a user would.

What are protractor's main functionalities?

End-to-End Testing

Protractor allows you to write end-to-end tests for your Angular applications. The code sample demonstrates navigating to an AngularJS website, selecting elements, and making assertions about their state.

const { browser, element, by } = require('protractor');

browser.get('http://www.angularjs.org');

const todoList = element.all(by.repeater('todo in todoList.todos'));
expect(todoList.count()).toEqual(2);
expect(todoList.get(1).getText()).toEqual('build an AngularJS app');

Automatic Waiting

Protractor automatically waits for Angular to finish rendering and for any outstanding $http calls to be completed before performing the next action. This reduces the need for explicit waits in your tests.

const { browser, element, by } = require('protractor');

browser.get('http://www.angularjs.org');

const addButton = element(by.css('[value="add"]'));
addButton.click();

const todoList = element.all(by.repeater('todo in todoList.todos'));
expect(todoList.count()).toEqual(3);

Integration with Jasmine

Protractor integrates seamlessly with the Jasmine testing framework, allowing you to write tests in a behavior-driven development (BDD) style. The code sample shows a Jasmine test suite that adds a new todo item and verifies its presence.

describe('angularjs homepage todo list', function() {
  it('should add a todo', function() {
    browser.get('http://www.angularjs.org');

    element(by.model('todoList.todoText')).sendKeys('write a protractor test');
    element(by.css('[value="add"]')).click();

    const todoList = element.all(by.repeater('todo in todoList.todos'));
    expect(todoList.count()).toEqual(3);
    expect(todoList.get(2).getText()).toEqual('write a protractor test');
  });
});

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Package last updated on 07 Feb 2017

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