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Software testing exercises

Let's see how a JUnit looks like. We have a Utils class with some methods to be tested.

tests is a separated source folder, this is a good practice. If we use the same package name we can access and test protected methods
@Test is the annotation to be included before the test method. The method can have any name you want
We test normal cases and those that we think that can be problematic (e.g. addition overflow)
Test suits (MyTestSuite.java) can group tests
Right click a test method, a test java file or a test suite -> Run as... -> JUnit Test
In the ReverseTest.java there are some commented lines. Uncomment them to see the effect of the annotations @BeforeClass @AfterClass @After @Before . Those are important when dealing with time or resource consuming tasks (e.g. database connections) that need to be done after or before running the tests