testing site title and description using nightwatch.js

test.js

module.exports = {
    setUp: function() {

    },

    tearDown: function() {

    },

    myTest: function(browser) {
        var title = 'Site Title',
            description = 'Site Description';

        browser
            .resizeWindow(400, 400)
            .url("http://localhost:8000/")
            .waitForElementVisible("body", 3000)
            .verify.title(title)
            .verify.attributeEquals("meta[property='og:title']", "content", title)
            .verify.attributeEquals("meta[property='og:site_name']", "content", title)
            .verify.attributeEquals("meta[name=description]", "content", description)
            .verify.attributeEquals("meta[property='og:description']", "content", description)
            
            // more assertions go here
            .end();
    }
}