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chai-webdriver-promised

4.0.3 • Public • Published

Provides selenium-webdriver sugar for the Chai assertion library. Allows you to create expressive integration tests:

expect('.frequency-field').dom.to.contain.text('One time')
expect('.toggle-pane').dom.to.eventually.not.be.visible()

What sorts of assertions can we make?

All assertions start with a Sizzle-compatible css selector, for example:

expect('.list')
expect('div > h1')
expect('a[href=http://google.com]')

Then we add the dom flag, like so:

expect(selector).dom

Finally, we can add our assertion to the chain:

Text

Test the text value of the dom against supplied string. Exact matches only.

expect(selector).dom.to.have.text('string')

Text (contain)

Test the text value of the dom against supplied string. Partial matches allowed.

expect(selector).dom.to.contain.text('string')

Match

Test the text value of the dom against the regular expression.

expect(selector).dom.to.match(/regex/)

Text (regex)

Test the text value of the dom against the regular expression. (Same as match above).

expect(selector).dom.to.have.text(/regex/)

Displayed

Check whether or not the element is displayed (can be scrolled off-screen)

expect(selector).dom.to.be.displayed()

Visible

Check whether or not the element is visible on-screen

expect(selector).dom.to.be.visible()

Disabled

Check whether or not the form element is disabled

expect(selector).dom.to.be.disabled()

Count

Test how many elements exist in the dom with the supplied selector

expect(selector).dom.to.have.count(number)

Style

Test the CSS style of the element (exact string match).

expect(selector).dom.to.have.style('property', 'value')

Value

Test the value of a form field against supplied string.

expect(selector).dom.to.have.value('string')

HTML Class

Tests that the element has warning as one of its class attributes.

expect(selector).dom.to.have.htmlClass('warning')

Attribute

Test an element's attribute value. Exact matches only. By omitting value test simply checks for existance of attribute.

expect(selector).dom.to.have.attribute('attribute', 'value')

Not

You can also always add a not in there to negate the assertion:

expect(selector).dom.not.to.have.style('property', 'value')

Larger and smaller

Several of the assertion methods support the larger and smaller properties, which allow numeric comparisons. e.g. for value():

Test for a numeric value larger (>=) than 0.

expect('input[type=number]').dom.to.have.larger.value(0)

Test for a numeric value smaller (<=) than 0.

expect('input[type=number]').dom.to.have.smaller.value(0)

Test for a numeric value not larger (<) than 0.

expect('input[type=number]').dom.not.to.have.larger.value(0)

Test for a numeric value not smaller (>) than 0.

expect('input[type=number]').dom.not.to.have.smaller.value(0)

Other methods which support larger and smaller:

Test for text with length larger (>=) than 0.

expect(selector).dom.to.have.larger.text(0)

Test for number of elements matching selector larger (>=) than 0.

expect(selector).dom.to.have.larger.count(0)

Test for css attribute value larger (>=) than 0 (ignores units).

expect(selector).dom.to.have.larger.style('width', 0)

Test for attribute value larger (>=) than 0.

expect(selector).dom.to.have.larger.attribute('offsetWidth', 0)

Eventually

You can also add an eventually to tell chai-webdriver-promised to poll for the desired state up to the configured timeout (see Setup below):

expect(selector).dom.to.eventually.have.htmlClass('warning')

Everything returns a promise

All of these assertions return a Q promise, so you can just return the promise if you're using mocha.

Setup

Setup is pretty easy. Just:

 
// Start with a webdriver instance:
var sw = require('selenium-webdriver');
var driver = new sw.Builder()
  .withCapabilities(sw.Capabilities.chrome())
  .build()
 
//optional timeout in ms to use with eventually (defaults to 1000)
var timeout = 15000;
//optional interval in ms to use when polling (defaults to 200)
var interval = 100;
 
// And then...
var chai = require('chai');
var chaiWebdriver = require('chai-webdriver-promised');
chai.use(chaiWebdriver(driver, timeout, interval));
 
// And you're good to go!
chai.describe('kitty test', function() {
  chai.before(function(done) {
    driver.get('http://github.com').then(done);
  });
  it('should not find a kitty', function() {
    return chai.expect('#site-container h1.heading').dom.to.not.contain.text("I'm a kitty!");
  });
});

Contributing

so easy.

$EDITOR index.js      # edit index.js 
npm test              # run the specs 

License

MIT.

install

npm i chai-webdriver-promised

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179

version

4.0.3

license

MIT

repository

Gitgithub

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