Getting Started

Installation

Utopia is built on Ruby and Rack. Therefore, Ruby (suggested 2.0+) should be installed and working. Then, to install utopia and all required dependencies, run:

$ gem install utopia

Atom Integration

Utopia uses Trenni for templates and it has a syntax slightly different from ERB. However, there is a package for Atom which provides accurate syntax highlighting.

Your First Page

To setup the default site, create a directory (typically the hostname of the site you want to create) and use the bake utopia:site:create command:

$ mkdir www.example.com
$ cd www.example.com
$ bake --gem utopia utopia:site:create
$ bake utopia:development

You will now have a basic template site running on https://localhost:9292.

Welcome Page

Utopia includes a redirection middleware to redirect all root-level requests to a given URI. The default being /welcome/index:

# in config.ru

use Utopia::Redirection::Rewrite,
	'/' => '/welcome/index'

The content for this page is stored in pages/welcome/index.xnode. The format of this page is a subset of HTML5 - open and close tags are strictly enforced.

There are several special tags which are used for creating modular content. The most common one is the outer <content:page> tag. Utopia uses the name page to lookup the file-system hierarchy. First, it looks for /welcome/_page.xnode, and then it looks for /_page.xnode which it finds. This page template includes a special <utopia:content/> tag which is replaced with the inner body of the <content:page> tag. This recursive lookup is the heart of Utopia.

Links

Utopia is a content-centric web application platform. It leverages the file-system to provide a mapping between logical resources and files on disk. The primary mode of mapping incoming requests to specific nodes (content) is done using the links.yaml file.

The links file associates metadata with node names for a given directory. This can include things like redirects, titles, descriptions, etc. You can add any metadata you like, to support your specific use-case. The primary use of the links files is to provide site structure, e.g. menus. In addition, they can function as a rudimentary data-store for static information, e.g. a list of applications (each with it's own page), a list of features, etc.

You'll notice that there is a file /links.yaml. This file contains important metadata relating to the errors subdirectory. As we don't want these nodes showing up in a top level menu, we mark them as display: false

errors:
  display: false 

Testing

Utopia websites include a default set of tests using rspec. These specs can test against the actual running website.

$ rspec

website
1 samples: 1x 200. 1170.96 requests per second. S/D: 0.000µs.
  should be responsive

Finished in 0.61764 seconds (files took 0.64705 seconds to load)
1 example, 0 failures

The website test will spider all pages on your site and report any broken links as failures.

Coverage

The covered gem is used for providing source code coverage information.

$ COVERAGE=BriefSummary rspec

website
1 samples: 1x 200. 67.53 requests per second. S/D: 0.000µs.
  should be responsive

* 5 files checked; 33/46 lines executed; 71.74% covered.

Least Coverage:
pages/_page.xnode: 6 lines not executed!
config.ru: 4 lines not executed!
pages/welcome/index.xnode: 2 lines not executed!
pages/_heading.xnode: 1 lines not executed!

Finished in 1.82 seconds (files took 0.51845 seconds to load)
1 example, 0 failures