Developing software for the
In brief, the traditional approach to software testing involves manually creating and running a wide range of tests at all stages of development to ensure that the system requirements have been successfully incorporated. Additionally, tests must be run to confirm that new software works properly with the software and systems already in place.
With the current manual testing approach, tests are typically documented using a word processor or spreadsheet application, with a step-by-step procedure describing operator actions or input and expected response. Test procedures also describe how the system is required to be configured prior to conducting the test. The pass/fail status of each step is usually written down by the test engineer on a printed hard copy of the test procedure. Every time a test is run, the test engineer executes each step of the test procedure and records the results. It is a labor-intensive process.
Innovations in software testing technology provide alternatives to current testing methods. A case in point is automated software testing.
As with manual processes, automated software testing requires engineers to design tests that support the vÉrification of requirements. Automated testing is also similar to manual testing in that the test program is dependent on the design of high-quality tests.
Automated software testing enables the operator actions or input, along with the expected response, to be digitally captured or recorded. When the test engineer executes an automated test, the technology sends the digitally captured operator actions and input to the system under test and evaluates the response against the expected results. A report is automatically generated to document the results. In order to execute the test, the engineer simply launches the automated test and is not required to manually conduct each step.
In order to transform testing, this new technology must be embraced.
Change is slow. Sometimes the best ideas take years to catch on. Engineers engaged in software development may believe, and righdy so, that they are part of a highly progressive industry. But even there one finds resistance to change.
Progress always involves risk. That is nothing new. In the early 1900s,
Fifty years later,
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