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Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can make that vision a reality.
WorldSpace Attest Quick Start Guide
Contents
What is WorldSpace Attest? ......................................................................................................... 2
What Comprises WorldSpace Attest? ....................................................................................... 2
What do I need to get started? ..................................................................................................... 2
Prerequisites ........................................................................................................................... 2
Generating your personal API key ............................................................................................ 3
Downloading the Components ................................................................................................. 3
Node.js and WebdriverJS ..................................................................................................... 3
Attest URL ............................................................................................................................ 4
Custom Rules ...................................................................................................................... 4
Setting up access to each registry ............................................................................................ 5
Downloading from a registry ................................................................................................ 5
Example: with webdriverJS .......................................................................................................... 7
Global Custom Rules Config .................................................................................................... 7
Project-Specific Custom Rules Config....................................................................................... 8
No Custom Rules ..................................................................................................................... 8
Creating the WebdriverJS test .................................................................................................. 8
Example in Browser-based Unit Tests like Mocha, Jasmine and QUnit ........................................ 11
Appendices ............................................................................................................................... 13
cURL for Windows ................................................................................................................. 13
Worldspace Attest Quick Start © Deque Systems, Inc. Page 2 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
What is WorldSpace Attest?
WorldSpace Attest is a bundle of functionality that allows for easy automated accessibility testing
for Web-based applications.
What Comprises WorldSpace Attest?
WorldSpace Attest consists of:
1. The FireEyes II extension with custom rule upload functionality
2. A JavaScript API for loading custom rules and performing accessibility tests on Web pages
3. A JavaScript API for logging test results
4. An application to generate reports from the test result logs in HTML, Excel and JUnit XML
formats
5. An online repository for downloading the components
6. An online repository for managing and distributing custom rule sets
7. Documentation and help
8. Support
What do I need to get started?
Prerequisites
Before you get started, you must have the following pieces of information.
1. The company-id for your license of WorldSpace Attest
2. The username and password for your login to the centralized repository system
Worldspace Attest Quick Start © Deque Systems, Inc. Page 3 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Generating your personal API key
In order to access the WorldSpace Attest components, you need to generate a personal API key for
your account. This key is private to yourself and only needs to be generated once and can be reused. It can be revoked and regenerated at any time as required.
To generate an API key:
1. Log in to the Deque repository at https://agora.dequecloud.com using your Username and
Password credentials.
2. Go to your profile page, by clicking the ‘Welcome’ message on the home page, or by going
to the following URL https://agora.dequecloud.com/artifactory/webapp/#/profile
3. In the Authentication settings, click the ‘cog’ icon to generate the key.
4. Click the ‘copy key to clipboard’ button. Paste the key into a local text file on your PC for
later use.
You can at any time go back to your profile page to get or regenerate the API key.
Downloading the Components
Node.js and WebdriverJS
WorldSpace Attest uses the npm system for managing the JavaScript libraries. There is 1 registry
that you need access to:
1. The attest registry
This registry allows npm to be used to download modules using npm’s --registry option
Worldspace Attest Quick Start © Deque Systems, Inc. Page 4 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Attest URL
https://agora.dequecloud.com/artifactory/api/npm/attest
This registry contains multiple packages:
1. ‘attest-node’
2. ‘attest’
3. ‘attest-webdriverjs’
4. ‘axe-core’
The ‘attest-node’ package is for use with Node.js environments such as the Node.js version of
Selenium (selenium-webdriver) and is generally used in conjunction with the ‘attest-webdriverjs’
package.
The ‘attest’ package is for use within a browser environment such as for use in unit tests like QUnit,
Jasmine and Mocha.
The ‘axe-core’ package is the raw rules engine which is embedded into the other packages. You
should generally not have to use this library directly.
Custom Rules
In addition, if you want to use your company’s custom rules setup(s), there is a registry with the
following URL:
https://agora.dequecloud.com/artifactory/api/npm/company-id
Where company-id is an identifier that uniquely identifies your company within the Attest
repository structure.
Worldspace Attest Quick Start © Deque Systems, Inc. Page 5 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Setting up access to each registry
To register each registry with your local npm and allow npm to download from that registry, you
must configure your .npmrc file with authentication information. This is done by sending a curl
command to the registry from the command line and putting the response into your .npmrc file.
The format of the curl command is
curl -uusername:api-key "REPO-URL/auth/REPO-SHORTNAME"
Where the bolded components are replaced as follows:
• username - is replaced by your Attest server user name
• api-key - is replaced by your Attest server username (API key)
• REPO-URL is replaced by one of the two registry URLs listed above
• REPO-SHORTNAME is replaced by any string that is a unique identifier for that registry (you
can choose this)
So the command for the attest registry for a user “dylan” with password “pwd” and REPOSHORTNAME would be:
curl -udylan:api-key
"https://agora.dequecloud.com/artifactory/api/npm/attest/auth/dequeatt
est"
(Note: for more information on curl for Windows, see cURL for Windows.)
The response from the server should be a series of lines that looks like:
@dequeattest:registry=https://agora.dequecloud.com/artifactory/api/npm
/attest/
//agora.dequecloud.com/artifactory/api/npm/attest/:_password=GOBBELDYG
OOK
//agora.dequecloud.com/artifactory/api/npm/attest/:username=dylan
//agora.dequecloud.com/artifactory/api/npm/attest/:email=dylan.barrell
@deque.com
//agora.dequecloud.com/artifactory/api/npm/attest/:always-auth=true
Copy these lines verbatim and append them to your ~/.npmrc file.
Repeat this process for each registry with a new, unique REPO-SHORTNAME for each registry.
Downloading from a registry
To download from a registry, you use the npm install command using the --registry option
Worldspace Attest Quick Start © Deque Systems, Inc. Page 6 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Attest-node module
npm install --save-dev attest-node --registry
https://agora.dequecloud.com/artifactory/api/npm/attest/
Attest Browser module
npm install --save-dev attest --registry
https://agora.dequecloud.com/artifactory/api/npm/attest/
Custom rules
npm install --save-dev attest-rules --registry
https://agora.dequecloud.com/artifactory/api/npm/company-id/
Worldspace Attest Quick Start © Deque Systems, Inc. Page 7 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Example: with webdriverJS
Create a directory for the application and initialize your npm application:
mkdir use-attest
cd use-attest
npm init
Install the WebdriverJS and other test harness components (note if you are integrating Attest into
an existing project, you should have some of these components, or their equivalents, already
installed)
npm install --save-dev selenium-webdriver chai mocha
npm install -g mocha-cli
Install the attest-node and attest-webdriverjs modules:
npm install --save-dev attest-node attest-webdriverjs --registry
https://agora.dequecloud.com/artifactory/api/npm/attest/
You now have three alternatives in terms of using the custom rules.
Global Custom Rules Config
To store and use the rules from a global location, install the custom rules module globally:
npm install -g attest-rules --registry
https://agora.dequecloud.com/artifactory/api/npm/company-id/
When you do this, npm will print out the location of the global module like this:
attest-rules@1.0.0
/Users/dylanbarrell/.nvm/v4.2.2/lib/node_modules/attest-rules
Set up the ATTEST_PATH environment variable to use the attest.json file from this module.
export
ATTEST_PATH=/Users/dylanbarrell/.nvm/v4.2.2/lib/node_modules/attestrules/attest.json
Worldspace Attest Quick Start © Deque Systems, Inc. Page 8 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Project-Specific Custom Rules Config
To store and use the rules within the project
npm install --save-dev attest-rules --registry
https://agora.dequecloud.com/artifactory/api/npm/company-id/
Now copy the attest.json file to the root of your project
cp node_modules/attest-rules/attest.json
No Custom Rules
If you are not using custom rules, create an attest.json file in the project root with the contents of
{}
(this is the equivalent of an empty JSON object)
Creating the WebdriverJS test
Install the WebdriverJS and other test harness components (note if you are integrating Attest into
an existing project, you should have some of these components, or their equivalents, already
installed)
npm install --save-dev selenium-webdriver chai mocha
npm install -g mocha-cli
Create a test file called test.js and copy the following code into it:
var selenium = require('selenium-webdriver');
var AttestBuilder = require('attest-webdriverjs');
var assert = require('chai').assert;
describe('Attest Quick Start', function() {
var driver, browser;
// Load the browser
before(function() {
driver = new selenium.Builder().forBrowser('firefox');
browser = driver.build();
browser.manage().timeouts().setScriptTimeout(10000);
});
// Close the browser at the end
after(function(done) {
browser.quit().then(done);
});
Worldspace Attest Quick Start © Deque Systems, Inc. Page 9 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
describe('dequeuniversity.com', function (done) {
it('has 0 accessibility violations on root', function
(done) {
browser.get('http://www.dequeuniversity.com/')
.then(includeAttest)
.then(function (attest) {
attest.analyze(function(results) {
assert(results.violations.length === 0);
done();
});
});
});
});
/**
* Returns a promise indicating when attest is ready to test
the page
*/
function includeAttest() {
return browser.executeAsyncScript(function(callback) {
var script = document.createElement('script');
script.innerHTML =
'document.documentElement.classList.add("deque-attest-isready");';
document.documentElement.appendChild(script);
callback();
}).then(function () {
return
browser.wait(selenium.until.elementsLocated(selenium.By.css('.de
que-attest-is-ready')));
}).then(function () {
return new AttestBuilder(browser, ‘wcag2’);
});
}
});
Worldspace Attest Quick Start © Deque Systems, Inc. Page 10 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Now rule the mocha command from the command line:
mocha test --timeout 20000
You should see a browser spawned that tests the home page of Deque University and then closes.
After which the mocha command will print something along the lines of:
Attest Quick Start
dequeuniversity.com
✓ has 0 accessibility violations on root (NNNNNms)
1 passing (Ns)
Worldspace Attest Quick Start © Deque Systems, Inc. Page 11 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Example in Browser-based Unit Tests like Mocha, Jasmine and
QUnit
Install the attest module (this assumes you are using npm, if this is not possible, please contact
Deque on how to get access to the attest.js file).
npm install --save-dev attest --registry
https://agora.dequecloud.com/artifactory/api/npm/attest/
Include the attest.js file into your test fixture. The attest.js file is in the base directory of the attest
Node module (./node_modules/attest/attest.js). Including this can be done in many ways and is
dependent on your test system. If you have a static test harness, you would insert a
```
Within your tests, make a single call to initialize the library. This can be done by calling attest.init()
or by calling attest.configure(). Attest.init is used if you want to use one of the built-in rule sets
such as the WCAG 2 A and AA set.
Attest.configure is used if you want to use custom rules.
Initializing using attest.init()
beforeEach(function (done) {
attest.init('wcag2', function () {
done();
})
});
Worldspace Attest Quick Start © Deque Systems, Inc. Page 12 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Call the checker wherever you want inside your tests. It is good practice to call it whenever a new
piece of UI or UI state is exposed.
describe('some test', function () {
beforeEach(function (done) {
attest.init('wcag2', function () {
done();
})
});
it('should do something that creates some UI', function (done) {
var fixtureScope = document.querySelector('some selector');
// do stuff with the fixture
attest.a11yCheck(fixtureScope, function (results) {
assert(results.violations.length, 0);
done();
});
});
});
Worldspace Attest Quick Start © Deque Systems, Inc. Page 13 of 13
Digital equality. It's our mission, our vision, and our passion.
We believe that websites, mobile applications, and digital content should be accessible to people with disabilities - and we're passionate about creating technology that can
make that vision a reality.
Appendices
cURL for Windows
cURL is a simple command line http client. cURL is available for Windows and is commonly found
in Windows GIT command-line interfaces like GitBash.
You can download cURL http://curl.haxx.se/download.html. Learn how to use and configure cURL
http://curl.haxx.se/docs/manpage.html.
Any http or REST client that allows basic authentication username and passwords can be used as
an alternative to cURL.

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