Technical Notes

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Archive for October, 2012

Recipe: email delivery system for automatic tests

Posted by Anton Khitrenovich on October 17, 2012

Some time ago I was asked to help in implementing an automatic test for one of the application flows. In this flow the system under test was sending emails with dynamic content to the end user, and the test had to verify the content of those emails.

The testing system had two basic requirements:

  1. The email address to send those emails should be unique, since several tests of this kind will run simultaneously.
  2. The retrieval of those emails should be as simple as possible, without any dependency on specific programming languages or libraries.

To make the long story short – the solution that we implemented consists of the ‘sendmail’ daemon with specially crafted aliases file, shell script to parse incoming email and store it in the own file by username, ‘httpd’ daemon to expose the files with emails over HTTP and a cron script to clean those files; all those based on standard RHEL 5.5 distribution.  Read the rest of this entry »

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