A basic test runner to use Yadda with the Nightwatch selenium testing framework.

google.feature

Feature: Google Demo

Scenario: Google home page

    When I open http://google.com
    and I should see #viewport

library.js

var Yadda = require('yadda');
var English = Yadda.localisation.English;
var Dictionary = Yadda.Dictionary;

module.exports.init = function() {

    var dictionary = new Dictionary();
    
    var library = English.library()
        // Opens a given URL in the nightwatch browser and then waits
        // until it is mobified
        //
        .when("I open $URL", function(url) {
            this.browser.url(url)
        })
    
        // Waits for the correct element, then test for the text
        //
        .then("the title should be $TITLE", function(title){
            this.browser.assert.title(title)
        })
        // Makes a screenshot and saves it with a given title and timestamp
        //
        .then("it should make a screenshot titled $TITLE", function(title) {
            var filename = title + '.png';
            this.browser.saveScreenshot('screenshots/' + filename);
        })
        // Closes the browser
        //
        .then("close the browser", function() {
            this.browser.closeWindow();
        })
        .then("end the session", function() {
            this.browser.end();
        })
        // Pauses for the give amount of seconds
        //
        .then("wait $SECONDS seconds", function(seconds){
            this.browser.pause(seconds * 1000)
        })
        .when("I click on $SELECTOR", function(selector){
            this.browser.click(selector);
        })
        .then("I should see $SELECTOR", function(selector){
            this.browser.assert.visible(selector);
        });

    return library;
};

test_runner.js

var fs = require('fs');
var utils = require('utils');
var Yadda = require('yadda');

var parser = new Yadda.parsers.FeatureParser();
var library = require('./library').init();
var yadda = new Yadda.Yadda(library);

module.exports = (function(){

    var features = new Yadda.FeatureFileSearch('features').list();
    var steps = {};

    features.forEach(function(file){
        var text = fs.readFileSync(file, 'utf8');
        var feature = parser.parse(text);
        utils.puts(feature.title);

        feature.scenarios.forEach(function(scenario) {
            steps[scenario.title] = function(browser) {
                yadda.yadda(scenario.steps, { browser: browser });
            };
        });

    });

    // Close the session when done
    steps['Close Session'] = function(browser){
        browser.end();
    };

    return steps;

})();