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

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

Assessment

Interactive Video

Information Technology (IT), Architecture, Social Studies

University

Hard

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Quizizz Content

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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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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of the video tutorial?

Spies and behavior-driven development

Database management

User interface design

Network security

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What example is used to demonstrate the use of spies in tests?

A weather forecasting app

A shopping cart system

A gambling game

A social media platform

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of isolating functions when using spies?

To reduce code readability

To ensure accurate testing

To increase code complexity

To enhance user experience

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if the function to be spied on is in a different folder?

Move the function to the same folder

Adapt the import path to access the function

Rewrite the function in the test file

Ignore the function

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'call through' method do in Jasmine?

It logs the function call

It modifies the function parameters

It executes the actual function code

It skips the function execution

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you test if a function has been called with specific parameters?

By using a debugger

By checking the console output

By writing a separate script

By using Jasmine's 'have been called with' feature

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the benefit of using 'call fake' in Jasmine?

It decreases the test coverage

It increases the execution time

It lets you simulate a function call with a custom return value

It allows you to execute the real function