Wednesday, April 15, 2009

Magellan 0.1.3 Gem Released

So what is magellan and what does it do? Magellan is a web testing tool that embraces the discoverable nature of the web.

What does that mean practically? Simply put it is a web crawler written in ruby that has 2 rake tasks built around it:

The first task will explore sites by following //script[@src] //img[@srg] and //a[@href] tags and look for documents that return http status codes of 4** or 5**. The second task lets you specify a url pattern and an expected link to look for if the current url matches that pattern. For example you can say product pages should contain a link to /sizing.html or that all pages should contain a link to /about_us.html.

Can magellan help you?

I see magellan being able to help two groups of people, those whom have low test coverage and would like an easy way to get started in testing their web application.

The second group I see magellan being able to help is those moving towards/practicing continuous deployment. Magellan can supplement your existing tests/continuous integration process with exploratory testing to find any broken links/missing documents, or verify the interconnectedness of your resources.

How does magellan replace selenium or watir?
Magellan is not meant to eliminate the need for higher level acceptance tests. Frameworks like selenium or watir will remain a key part of any healthy suite of tests. However any browser based testing framework will involve more moving parts then may be necessary to test part of a web application. As a result of this theses tests will always be slower and have more potential points of failure than alternatives without them. Magellan will let you focus your higher level acceptance testing on the key parts of the business and the integration of your javascript with the browser.

Interested in giving it a go?

Because magellan leverages the agreed semantics of the web to crawl your site, getting started with it could not be easier. You can find install instructions and examples at: github

Your feedback is welcome at: rubyforge


Patrick said...

Love the idea of this, particularly with the exploratory testing stuff!

sheela rajesh said...

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