Databricks Certified Data Engineer Professional — Question 206

You are testing a collection of mathematical functions, one of which calculates the area under a curve as described by another function.

assert(myIntegrate(lambda x: x*x, 0, 3) [0] == 9)

Which kind of test would the above line exemplify?

Answer options

• A. Unit
• B. Manual
• C. Functional
• D. Integration

Correct answer: A

Explanation

The line of code is an example of a unit test, as it checks the correctness of a specific function, `myIntegrate`, in isolation. Manual tests involve human execution, functional tests assess the software's compliance with requirements, and integration tests evaluate the interaction between multiple components, none of which apply here.