Asked about Testing
What is the difference between a unit test and an integration test?
An answer that works
A unit test checks one piece in isolation with fast, predictable inputs. An integration test checks that several pieces work together, usually including something real such as a database. You want many of the first and a few of the second.
Reading an answer is not being able to give one. The section that teaches this is Testing, 4 hours of Python.
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