Unit testing
Unit test is a function or method, which invokes a unit of module in software and checks assumptions about the system that the developer has in mind. Unit test helps the developer test the logical functionality of any module.
In other words, a unit is the testable piece of software. It can have more than one input and normally a single output. Sometimes, we treat a module of a system as a unit.
Unit test is only relevant to developers who are closely working with the code. A unit test is only applicable to test a logical piece of a code. Illogical code would not be tested with the use of unit testing. For example, getting and setting values in text field will not be considered in logical code.
Usually, the first unit test is harder to write for any developer. The first test requires more time for any developer. We should follow a practice of asking questions before writing the initial unit test. For example, should you use an already available unit test framework or write you...
