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5232 packages found
BDD/TDD assertion library for node.js and the browser. Test framework agnostic.
A tiny invariant function
Validate XML, Parse XML, Build XML without C/C++ based libraries
tap-producing test harness for node and browsers
Node.js test runner that lets you develop with confidence.
String validation and sanitization
Type check values
JavaScript test spies, stubs and mocks.
DOM assertions for the Chai assertion library using vanilla JavaScript
test framework agnostic BDD-style assertions
Standard assertion utilities.
- stdlib
- stdassert
- assertion
- assert
- expectation
- expect
- utilities
- utility
- utils
- util
- test
- check
- validate
- validation
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A light assertion library built with JSON APIs in mind.
Do things in development and nothing otherwise
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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A simple TypeScript library providing type guards for the primitive types in JavaScript.
- type
- types
- type-check
- type-checks
- type-checking
- predicate
- predicates
- type-predicate
- type-predicates
- type-assert
- type-asserting
- type-assertion
- type-assertions
- type-guard
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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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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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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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A little library for asserting types and values, with zero dependencies.
- type
- types
- type-check
- type-checking
- duck-typing
- arguments
- parameters
- values
- data
- contract
- assert
- check
- verify
- safe
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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