GODDARD AUTOMATED TOOLS FOR ENHANCED SSIT (GATES)

The Goddard Automated Tools for Enhanced SSIT (science software integration and test) or "GATES" is a suite of Web-based and command line tools to support the integration and test of algorithms being run in the GES DISC production systems. GATES has been in use at the GES DISC since 1997 and has evolved to changing demands and technologies ever since.

GATES is comprised of command line scripts, CGI scripts, and documented testing procedures. Most of the software is written in Perl for both ease and maintainability. The design goals of GATES were to automate, enhance, and document results and metrics from SSIT activity at the GES DISC for science software being integrated into the production systems.

The Swatter

The Swatter is a Web-based tool that is used for all SSIT at the GES DISC. After logging into the Swatter, a tester is presented a list of ordered tests and procedures that an algorithm must pass before it can be approved for integration into the production system. As each test or proceedure is completed, information about the test is saved in a database that can be queried by another Web-based tool, called the Slicer. Information saved includes the tester's name, the start and stop time of the test (and hence, duration), the test results, and any comments the tester wishes to note.

The test procedures described in the Swatter are meant to be very detailed. In most cases, the tester can copy the command directly off of the Web page and paste it into an Xterm window to execute. Many of the test procedures result in various GATES command line scripts being run. The text comprising the test procedures are stored separately from the Swatter Perl code and thus can be updated easily as warranted.

Command Line Scripts

GATES includes many command line scripts. These scripts automate the running of a particular test on the algorithm or some part of the delivered algorithm package. For example, there are scripts that validate documentation accompanying the algorithm and check for standards compliance of the source code. GATES command line scripts are generally written so that all test results are saved in preassigned locations and serve as test documentation or quality records for ISO 9000 compliance.