The costs go up as defects are detected further along in the DevOps process. The Software Engineering Institute estimates that the cost of a single defect is about $1,000 when caught during the regression testing phase of the project, according to Magne. We built ARCAD iUnit to integrate in any standard DevOps stack, so that IBM i unit tests can be launched from Jenkins and stored in Git.” “That is why it was so important for us to aim for the highest possible level of automation in the creation and launch of unit tests. “Some IBM i practitioners underestimate the value of unit testing due to the development effort involved,” Magne says. And it hooks into Jenkins for continuous integration, continuous delivery (CI/CD) processes. The software works with JUnit, allowing users to standardize their unit testing across other platforms. IUnit integrates with software change management (SCM) solutions and test repositories, including Git repositories. Also like Verifier, iUnit includes built-in code coverage, which allows developers to see what percentage of code has been executed by a test, which can help them plan future tests. ![]() Tests can be saved, and even exported for use on other systems. Like Verifier, iUnit keeps a history of test performance, allowing developers to monitor the progress (or lack thereof) over time. “Consistent use of unit testing reduces the mean time to repair and technical debt overall.” “They not only improve the reliability of code in the long term, but they encourage clarity and simplicity in code design,” Magne continues. This dual-pronged testing approach brings benefits all along the development continuum. ![]() Unit testing typically is employed by developers as they write the code, but they can also be used later to regression test or “smoke test” an application as further modifications are made, Magne says. “This means that any offending code lines are detected instantly and they can be fixed before they leave the hands of the developer.” ![]() “With ARCAD iUnit any developer can execute a unit test in a single click from RDi, for every code change,” Magne states in a press release. This automated approach to defining the terms of success and failure based on parameter values will help increase the productivity of IBM i developers and testing personnel, says Phillipe Magne, the CEO of ARCAD Software. Instead of requiring users to manually enter the input and output parameters that define the iUnit tests, the tool now includes a “discovery engine” that automatically finds the required parameters for the user and enters the values into the system for testing purposes. Modeled after the Java unit testing tool Junit, iUnit was created to help RPG, CL, COBOL, and other developers ensure that smaller portions of an overall application, such as procedures, functions, and service programs, are working as advertised before promoting the code into production, as opposed to testing the full application (which is what Verifier is designed to do).ĪRCAD recently announced a major update to iUnit that should make the software easier to use. In 2018, ARCAD augmented the flagship Verifier tool with a unit testing tool, called iUnit. The software was designed to manage the full testing campaign, including recording test scenarios and managing data for the test. Verifier helps developers ensure that the functionality of applications is up to expectations, especially after changes have been made. ![]() It started with Verifier, the company’s flagship regression testing tool, which forms a part of its suite of DevOps tools for IBM i. He didn’t know it at the time, but they would also apply to software development, including the testing of software, which is an area that ARCAD Software knows a thing or two about.ĪRCAD Software has been a leader in IBM i testing for many years. “If you can’t measure it, you can’t improve it.” The famous management consultant Peter Drucker said those words to relate his philosophy on achieving business success.
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