MMC Customer stories series: SNMP alerts

Motivation

We are evaluating using Nagios or a similar Big Brother Enterprise solution for displaying information about our many Enterprise Mule instances, applications and the status of our production and staging environments. The only sure thing is that we presented a budget for buying a couple of 55” monitors and were approved. Pure awesomeness!

First solution: Do it yourself

This is complicated.

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com.thoughtworks.selenium.SeleniumException: ERROR: Element bla bla bla not found

Ok. Face the music. Let’s debug.

Check list:

• Is locator well defined? Yes. √
• The element is rendered? Yes.√
• Do I have any error when I execute code step by step? No.χ
• Am I crazy? Perhaps. But the problem continues to be there and I have no clue why!!!

What is happening here?

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When your test base can be measured in tens of tests (or more) you should pay attention to bests practices and design principles if you want a highly maintainable code, quite resistant to technological changes, changes on the UI, etc. This article introduces Page Model pattern that is a great help in that regard.

Why are GUI integration tests needed? On which testing tool technology should I base my tests? What are the cost/benefit of the choosing one over the other? In this brief article we will give you a quick look at the answers to those questions.