1/1/2024 0 Comments Utm code meaningWith that being said it is generally accepted that 80% coverage is a good goal to aim for. There's no silver bullet in code coverage, and a high percentage of coverage could still be problematic if critical parts of the application are not being tested, or if the existing tests are not robust enough to properly capture failures upfront. What percentage of coverage should you aim for? It'll help understand the difference between the function coverage and branch coverage. We'll use that function later to check whether or not 100 is a multiple of 10. In the trivial script below, we have a Javascript function checking whether or not an argument is a multiple of 10. These metrics are usually represented as the number of items actually tested, the items found in your code, and a coverage percentage (items tested / items found). Line coverage: how many of lines of source code have been tested.Condition coverage: how many of the boolean sub-expressions have been tested for a true and a false value.Branches coverage: how many of the branches of the control structures (if statements for instance) have been executed.Statement coverage: how many of the statements in the program have been executed.Function coverage: how many of the functions defined have been called.The common metrics that you might see mentioned in your coverage reports include: Code coverage tools will use one or more criteria to determine how your code was exercised or not during the execution of your test suite.
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