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4361 packages found
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
simple, flexible, fun test framework
Node.js test runner that lets you develop with confidence.
Type check values
DOM assertions for the Chai assertion library using vanilla JavaScript
Error constructor for test and validation frameworks that implements standardized AssertionError specification.
Standard assertion utilities.
- stdlib
- stdassert
- assertion
- assert
- expectation
- expect
- utilities
- utility
- utils
- util
- test
- check
- validate
- validation
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Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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Strong Dynamically Typed Object Modeling for JavaScript
- typed
- types
- typing
- type-checking
- dynamic
- strong
- model
- definition
- object
- assertion
- inheritance
- composition
- structures
- proxy
Automated browser testing for the modern web development stack.
- automated
- functional
- browser
- browsers
- website
- webapp
- testing
- automation
- test
- runner
- tdd
- assert
- assertion
- QA
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🐷 Poku makes testing easy for Node.js, Bun & Deno at the same time.
- 🐷
- test
- runner
- assert
- assertion
- testing
- bun
- deno
- cli
- concurrent
- concurrency
- parallelism
- parallel
- sequential
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Test if a value is a collection.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- array
- typed array
- collection
- float64array
- float32array
- int32array
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Test if a value is a regular expression string.
- stdlib
- stdassert
- assertion
- assert
- utils
- util
- utilities
- utility
- isregexp
- regular expression
- regexp
- regex
- regular
- expression
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Ergonomic, modern and type-safe assertion library
A forked of Chai 5 which adds Promise support in order to work with Nightwatch commands.
Small footprint library that helps with typescript assertions.
Test if a double-precision floating-point numeric value is NaN.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- number
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Dependency-less Test Runner for Node.js
Test if a value is a string.
An alternate jQuery assertion library for Chai.