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testium

3.3.1 • Public • Published

Testium travis-ci build

Testium is a testing library focused on providing a simple, but effective, tool for testing your web applications in different browsers (via Selenium) and headlessly (via PhantomJS). It uses webdriver-http-sync in order to communicate (using the WebDriver protocol) with a selenium server.

This project is a safe and inclusive place for contributors of all kinds. See the Code of Conduct for details.

Keep up to date with changes by checking the releases.

Demo Video

Example

A simple test using assertive and mocha.

injectBrowser = require 'testium/mocha'
assert = require 'assertive' # or whatever assert library you prefer 
 
describe 'browse'->
  before injectBrowser()
 
  before ->
    @browser.navigateTo '/my-account'
    @browser.assert.httpStatus 200
 
  it 'is serving up gzipped content'->
    assert.equal 'gzip'@browser.getHeader('Content-Encoding')

Getting Started

Install Testium by running npm install --save-dev testium.

Then, you can specify additional configuration, like so!

; .testiumrc
; defaults to false, `npm start`s the app
launch = true

[mocha]
; defaults to 20 seconds
timeout = 10000
; defaults to 2 seconds
slow = 2500

Run your tests with mocha: mocha test/integration

Detailed Setup

Testium might require that you install some system-level libraries.

required

  • libcurl (for sync http)
    [Ubuntu] sudo apt-get install libcurl4-openssl-dev
    [OS X] brew install curl
  • Node.js 0.10+, 0.12+, 4.0+
  • phantomjs 1.9.7+ (only for headless testing)
  • java 7+ (only when running in browsers)

Configuration

testium uses rc for configuration. Below are the options and their defaults:

# Root directory of the application. 
# All paths will be resolved relative to this directory. 
# It's also where testium will look for a `package.json` file 
# to figure out how to start the app. 
root: process.cwd()
# Automatically launch the app with the default NODE_ENV=test. 
# Set this to true if you want testium to handle this for you 
# when you call `getBrowser`. 
launch: false
# Customize the NODE_ENV of the service being started. Example: 'integration' or 'ci' 
launchEnv: 'test'
 
# The browser to use, possible values: 
# phantomjs | chrome | firefox | internet explorer 
browser: 'phantomjs'
desiredCapabilities: {}
 
# Directory (relative to `root`) where logs are written by testium 
logDirectory: './test/log'
# Directory to store automated screenshosts, e.g. on failing tests 
screenshotDirectory: './test/log/failed_screenshots'
 
# set app to `null` if you don't want testium to make sure an app is running 
app:
  # A port of 0 means "auto-select available port" 
  port: process.env.PORT || 0
  # How long to wait for the app to start listening 
  timeout: 30000
  # Command to start the app. 
  # `null` means testium will simulate `npm start` 
  command: null
phantomjs:
  # Command to start phantomjs 
  # Change this if you don't have phantomjs in your PATH 
  command: 'phantomjs'
  # How long to wait for phantomjs to listen 
  timeout: 6000
selenium:
  # How long to wait for selenium to listen 
  timeout: 90000
  # Set this if you have a running selenium server 
  # and don't want testium to start one. 
  serverUrl: null
  # Path to selenium jar. 
  # `null` means "use testium built-in". 
  # Using the testium built-in binaries requires you to run 
  # `./node_modules/.bin/testium --download-selenium` before running your tests. 
  jar: null
  # Path to chromedriver. 
  # `null` means "use testium built-in", see `jar` above. 
  chromedriver: null
  # Log debug info to selenium.log. 
  debug: true
repl:
  # Module for the testium repl 
  # If you want to use coffee-script in the repl, use: 
  # * `module: coffee-script/repl` for coffee-script 
  # * `module: coffee-script-redux/lib/repl` for redux 
  module: 'repl'
mixins:
  # mixin modules allow you to add new methods to the browser 
  # Example: 
  #  
  #   module.exports = { 
  #     // available as `browser.goHome()` 
  #     goHome: function() { 
  #       this.click('header #home'); 
  #     } 
  #   }; 
  #  
  # Elements in the array should be node.js module names 
  # that can be required relative to `root`. 
  browser: []
  # Same as browser, only that it extends `browser.assert`. 
  # Use this.browser to access the browser. 
  assert: []
mocha:
  # mocha timeout for all tests that are in the suite the 
  # browser was injected into. 
  timeout: 20000
  # Same, just for `slow`. 
  slow: 2000
webdriver:
  requestOptions:
    # connect timeout for all webdriver proxy connections 
    connectTimeout: 2000
    # read timeout for all webdriver proxy connections 
    timeout: 60000

Testium Command-Line Tool

Downloading Selenium

Testium can handle downloading selenium for you, making sure the version you download was tested with the current version of testium.

$ ./node_modules/.bin/testium --download-selenium
[testium] grabbing selenium standalone server 2.39.0
[testium] grabbing selenium chromedriver 2.8
Up to date!

Alias: ./node_modules/.bin/testium --update-selenium

Interactive Console

Testium provides an interactive node.js repl as a bin stub. It creates a browser and mixes the methods of that browser into the global scope.

It respects all configuration options, so if you enabled launch, it will also launch your app.

You can use it like so!

./node_modules/.bin/testium --browser firefox
firefox> navigateTo('http://google.com')
firefox> var element = getElement('input[name="q"]')
firefox> element.type('puppies\n')

And the browser will navigate to google.com, find the search box, and type puppies\n into it. You should now see search results for puppies.

This is useful for testing out your commands before setting up an actual test. You can even use .save test/integration/google.coffee to save the commands you entered into a file. For more info, read the official node repl docs.

Debugging Application Under Test

  1. run node-debug
  2. set launch = false in .testiumrc
  3. specify constant port number by setting app.port in .testiumrc OR export PORT=something
  4. add debugger statement in production code
  5. run your app with node --debug-brk app.js (or the equivalent of what npm start does for you with --debug-brk argument passed to node)
  6. run tests as normal (not under debugger)

Gotchas

  • Don't simultaneously run your app under the debugger and your unit tests under the debugger. Bad things will happen.
  • Don't run your app with a cluster of processes. Run just a single workder directly, instead.

Testium API

The complete description can be found at API.md.

getBrowser(config, callback)

Browser

Method Description
browser.navigateTo(url, options) Navigates the browser to the specificed relative or absolute url with options such as headers.
browser.refresh() Refresh the current page.
browser.capabilities Is an object describing the WebDriver capabilities that the current browser supports.
browser.getElement(cssSelector) Finds an element on the page using the cssSelector and returns an Element.
browser.getElementOrNull(cssSelector) Finds an element on the page using the cssSelector. Returns null if the element wasn't found.
browser.getElements(cssSelector) Finds all elements on the page using the cssSelector and returns an array of Elements.
browser.waitForElementVisible(cssSelector, timeout=3000) Waits for the element at cssSelector to exist and be visible, then returns the Element. Times out after timeout ms.
browser.waitForElementNotVisible(cssSelector, timeout=3000) Waits for the element at cssSelector to exist and not be visible, then returns the Element. Times out after timeout ms.
browser.waitForElementExist(cssSelector, timeout=3000) Waits for the element at cssSelector to exist, then returns the Element. Times out after timeout ms. Visibility is not considered.
browser.waitForElementNotExist(cssSelector, timeout=3000) Waits for the element at cssSelector to not exist, then returns null. Times out after timeout ms.
browser.getUrl() Returns the current url ('http://localhost:1234/some/route') of the page.
browser.waitForUrl(url, timeout=5000) Waits timeout ms for the browser to be at the specified url.
browser.waitForUrl(url, query, timeout=5000) Waits timeout ms for the browser to be at the specified url with query parameters per the query object.
browser.getPath() Returns the current path ('/some/route') of the page.
browser.waitForPath(path, timeout=5000) Waits timeout ms for the browser to be at the specified path.
browser.getPageTitle() Returns the current page title.
browser.getPageSource() Returns the current page's html source.
browser.getPageSize() Returns the current window's size.
browser.setPageSize({height, width}) Sets the current window's size.
browser.getScreenshot() Returns screenshot as a base64 encoded PNG.
browser.click(cssSelector) Calls Click on the Element found by the given cssSelector.
browser.type(cssSelector, value) Sends value to the input Element found by the given cssSelector.
browser.setValue(cssSelector, value) Set's the Element's value at cssSelector to value.
browser.clear(cssSelector) Clears the input Element found by the given cssSelector.
browser.clearAndType(cssSelector, value) Clears the input Element found by the given cssSelector, then sends value to it.
browser.evaluate(javascriptString) Executes the given javascript. It must contain a return statement in order to get a value back.
browser.evaluate(function) Returns the result of the given function, invoked on the webdriver side (so you can not bind its this object or access context variables via lexical closure).
browser.evaluate(args..., function(args...)) Same as above, but marshals the args as JSON and passes them to the function in the given order. E g: browser.evaluate 'hash', (prop) -> window.location[prop] would return the current url fragment.
browser.setCookie(Cookie) Sets a cookie on the current page's domain. Cookie = { name, value, path='/' }
browser.setCookies([Cookie]) Sets all cookies in the array. Cookie = { name, value, path='/' }
browser.getCookie(name) Returns the cookie visible to the current page with name.
browser.getCookies() Returns all cookies visible to the current page.
browser.clearCookies() Deletes all cookies visible to the current page.
browser.clearCookie(name) Delete a cookie by name that is visible to the current page.
browser.getStatusCode() Returns the response status code for the current page.
browser.getHeader(name) Returns the value of the response header with the provided name.
browser.getHeaders() Returns all response headers for the current page.
browser.getConsoleLogs(logLevel='all') Returns all log events with logLevel (log/warn/error/debug) since the last time this method was called. Warning: Each browser implements this differently against the WebDriver spec.
browser.switchToDefaultFrame() Switch focus to the default frame (i.e., the actual page).
browser.switchToFrame(id) Switch focus to the frame with name or id id.
browser.switchToDefaultWindow() Switch focus to the window that was most recently referenced by navigateTo. Useful when interacting with popup windows.
browser.switchToWindow(name) Switch focus to the window with name name.
browser.close(callback) Closes the Testium session.

Alert

Method Description
browser.getAlertText() Gets the text of a visible alert, prompt, or confirm dialog.
browser.acceptAlert() Accepts a visible alert, prompt, or confirm dialog.
browser.dismissAlert() Dismisses a visible alert, prompt, or confirm dialog.
browser.typeAlert(value) Types into a visible prompt dialog.

Note: Alerts effectively don't work when running with PhantomJS. getAlertText() will throw an error and the others will just silently not work. If you must test with PhantomJS you can work around this by stubbing the alert, confirm, and prompt global methods in your client-side javascript. Below is an example.

# Stub alert 
@browser.evaluate 'return window.alert = function() { };'
 
# Stub confirmation 
desiredValue = true
@browser.evaluate "return window.confirm = function() { return #{desiredValue}; };"
 
# Stub prompt 
desiredValue = 'foo'
@browser.evaluate "return window.prompt = function() { return \'#{desiredValue}\'; };"

Assertions

Method Description
browser.assert.elementHasText(selector, textOrRegex) Throws exceptions if selector doesn't match a single node, or that node does not contain the given textOrRegex. Allows an optional extra initial docstring argument, for semantic documentation about the test when the assertion fails. Returns the element.
browser.assert.elementLacksText(selector, textOrRegex) Throws exceptions if selector doesn't match a single node, or that node does contain the given textOrRegex. Allows an optional extra initial docstring argument, for semantic documentation about the test when the assertion fails. Returns the element.
browser.assert.elementHasValue(selector, textOrRegex) Throws exceptions if selector doesn't match a single node, or that node's value does not contain the given textOrRegex. Allows an optional extra initial docstring argument, for semantic documentation about the test when the assertion fails. Returns the element.
browser.assert.elementLacksValue(selector, textOrRegex) Throws exceptions if selector doesn't match a single node, or that node's value does contain the given textOrRegex. Allows an optional extra initial docstring argument, for semantic documentation about the test when the assertion fails. Returns the element.
browser.assert.elementHasAttributes(selector, attributesObject) Throws exceptions if selector doesn't match a single node, or that node does not contain the given attribute:value pairs. Allows an optional extra initial docstring argument, for semantic documentation about the test when the assertion fails. Returns the element.
browser.assert.elementIsVisible(selector) Throws exceptions if selector doesn't exist or is not visible. Returns the element.
browser.assert.elementNotVisible(selector) Throws exceptions if selector doesn't exist or is visible. Returns the element.
browser.assert.elementExists(selector) Throws exceptions if selector doesn't exist. Returns the element.
browser.assert.elementDoesntExist(selector) Throws exceptions if selector exists.
browser.assert.httpStatus(statusCode) Throws exceptions if current status code is not equal to the provided statusCode.
browser.assert.imgLoaded(selector) Throws exceptions if selector doesn't match a single <img> element that has both loaded and been decoded successfully. Allows an optional extra initial docstring argument, for semantic documentation about the test when the assertion fails.

Element

element = browser.getElement(selector)

Note: selector can be anything WebDriver's CSS Selector can accept. Where supported by browsers, this is equivalent to document.querySelectorAll(selector).

Method Description
element.clear() Clears the input element.
element.click() Calls click on the element.
element.get(attribute) Returns the element's specified attribute, which can be text. Note that WebDriver (and therefore testium) will not return text of hidden elements.
element.getElement(cssSelector) Finds a child element of element using the cssSelector and returns an Element.
element.getElements(cssSelector) Finds all child elements of the element using the cssSelector and returns an array of Elements.
element.getLocation() Return an element's pixel location on the page. Ex: { y: 80, x: 406 }
element.getLocationInView() Return an element's pixel location on the screen once it has been scrolled into view. Ex: { y: 80, x: 406 }
element.getSize() Returns an element's size in pixels. Ex: { height: 207, width: 269 }
element.isVisible() Returns true if the element is visible.
element.type(strings...) Sends strings... to the input element.

Contributing

If you'd like to help make testium better, please check out:

If you have questions, you can contact the author at:
@endangeredmassa

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Install

npm i testium

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Version

3.3.1

License

BSD-3-Clause

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