JavaScript Testing utilities for React
Detect native Symbol.toStringTag support.
Test if an object has a specified property.
Detect native Symbol support.
Test if a value is object-like.
Test if a value is an array.
Test if a value is a Buffer object.
Test if a value is a function.
Return a function which tests if every element in an array passes a test condition.
Detect native Float64Array support.
Test if a value is a Float64Array.
Test if a value is a plain object.
Test if a value is an object.
Detect native Float32Array support.
Test if a value is a Float32Array.
Test if a value is a number.
Test if a value is a regular expression.
Check if an environment is little endian.
Testing Matchers for Enzyme
Runtime Environment for enzyme tests in jest
Useful utilities for working with Uint8Array (and Buffer)
Add custom message to Jest expects
Type assertions aka less-broken typeof.
Serenity/JS universal assertion library supporting all types of functional tests, including both web and REST API scenarios
Rich matchers inspired by Hamcrest. Useful for generating helpful assertion failure messages in tests.
Node.js test runner that lets you develop with confidence.
Nanoscale assertion module
Helpers for asserting that a JavaScript environment supports certain features necessary for the operation of the Solana JavaScript SDK
loads of useful assert functions in one package
Assertions to test your TypeScript types.
Exclude keys to compare from a deep equal operation with chai expect and assert
Automated browser testing for the modern web development stack.