How to test a class method with Jest
Read OriginalThis article provides a practical guide on testing JavaScript class methods with the Jest framework. It demonstrates how to spy on instance methods and prototype methods to verify they are called, using examples like testing a method invoked within a class constructor.
0 comments
Comments
No comments yet
Be the first to share your thoughts!
Browser Extension
Get instant access to AllDevBlogs from your browser
Top of the Week
1
Quoting Thariq Shihipar
Simon Willison
•
2 votes
2
The Beautiful Web
Jens Oliver Meiert
•
1 votes
3
Container queries are rad AF!
Chris Ferdinandi
•
1 votes
4
Top picks — 2026 January
Paweł Grzybek
•
1 votes
5
In Praise of –dry-run
Henrik Warne
•
1 votes
6
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár
•
1 votes
7
Vibe coding your first iOS app
William Denniss
•
1 votes
8
AGI, ASI, A*I – Do we have all we need to get there?
John D. Cook
•
1 votes
9
How to Add a Quick Interactive Map to your Website
Miguel Grinberg
•
1 votes