How are unit testing, integration testing, and system testing related? How are they different?
What will be an ideal response?
They are related in that they are all forms of software testing. They differ in respect to the size (the amount
of code) that they test. Unit testing tests the individual modules or components as units. These units may be individual classes
or methods. Integration testing combines several related units and tests them as a collective entity. System testing tests the
overall software system as a whole, which is comprised of several sets of software that have passed integration testing.
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