Tips, Tricks, and Techniques for Node.js Development 4.1: Using Spies in Your Tests

This video tutorial covers the use of spies in unit testing, focusing on behavior-driven development (BDD) and Jasmine. It introduces the concept of spies, demonstrates their application in a gambling game example, and explores advanced techniques like callThrough and callFake. The tutorial emphasizes the importance of testing function calls with specific parameters and encourages the use of spies to enhance unit tests.

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