A tutorial on using Jest to test class methods, including spying on instances and prototypes to verify method calls.
A guide to decoupling unit tests from frequently changing values, using Swift examples to separate logic from copy.
A developer stream recap fixing task completion date bugs and adding student grade data to a Django SaaS app using test-driven development.
A developer documents project setup, fixes a course scheduling bug, and starts building a new student reports section in a Django application.
A discussion on why there's no single correct way to write tests, challenging the dogma around unit testing and TDD.
A developer builds a student enrollment form using Python and Django, focusing on context data, Tailwind CSS styling, and unit testing.
A guide to testing .NET Core's IOptionsMonitor, including a stub implementation and example unit tests for configuration change scenarios.
An in-depth technical look at how the Mocha test runner works, from parsing to execution, based on the author's experience on the core team.
A developer builds a Django CreateView for adding courses, reusing forms and templates while following a test-driven approach.
Explains the importance of using the *ByRole query in Testing Library for accessible, robust tests and how to find fallback queries.
A practical guide to Test-Driven Development (TDD), explaining the red-green-refactor cycle and when it's most beneficial to use.
A guide to writing unit tests for cloud infrastructure deployments using Pulumi's .NET SDK and mocking capabilities in C#.
A guide to writing unit tests for cloud infrastructure deployments using Pulumi and the F# programming language, with a focus on mocking.
Learn how to automatically run Python unit tests on every commit and pull request using GitHub Actions.
A guide on building and testing complex query strings in ASP.NET Core controller unit tests, covering encoding and multiple values.
Explains the Go 1.14 improvement where `go test -v` streams `t.Log` output in real-time, aiding debugging of long-running tests.
A developer creates a utility to automatically reboot a modem when internet drops, sharing code and logic details.
A guide offering 10 practical tips for writing clearer, more maintainable, and effective software tests, focusing on documentation and isolation.
Explains why you should make your tests fail to ensure they are actually testing the intended functionality and not giving false confidence.
A guide to fixing the 'not wrapped in act(...)' warning in React component tests, covering class and function components.
