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Unit testing allows the programmer to refactor code or upgrade system libraries at a later date, and make sure the module still works correctly (e.g., in regression testing). The procedure is to write test cases for all functions and methods so that whenever a change causes a fault, it can be identified quickly.
Because no more code is written than necessary to pass a failing test case, automated tests tend to cover every code path. For example, for a TDD developer to add an else branch to an existing if statement, the developer would first have to write a failing test case that motivates the branch. As a result, the automated tests resulting from TDD ...
preprocess_equals_sandbox_many(module, function, cases, options): Performs a series of preprocess_equals_compare() calls on a set of given pairs.The test compares the live version of the module vs the /sandbox version and vs an expected result.
This is the test cases page for the module Module:Example. Results of the test cases.-- Unit tests for [[Module:Example]].
A unit testing framework for Extract-Transform-Load processes, written in Java. Capable of testing Oracle, Informatica, SqlServer, PostGreSQL, MySQL, etc. [306] EvoSuite [307] A test case generation tool that can automatically generate JUnit tests. GrandTestAuto [308] GrandTestAuto (GTA) is a platform for the complete automated testing of Java ...
It is a common pattern in software testing to send values through test functions and check for correct output. In many cases, in order to thoroughly test functionalities, one needs to test multiple sets of input/output, and writing such cases separately would cause duplicate code as most of the actions would remain the same, only differing in input/output values.
The Art of Unit Testing is a 2009 book by Roy Osherove which covers unit test writing for software. It's written with .NET Framework examples, but the fundamentals can be applied by any developer. The second edition was published in 2013. It has two additional chapters, as well as reorganization and updating of chapters from the first edition.
For example, JUnit for Java and RUnit for R. The term "xUnit" refers to any such adaptation where "x" is a placeholder for the language-specific prefix. The xUnit frameworks are often used for unit testing – testing an isolated unit of code – but can be used for any level of software testing including integration and system.