JSVerify
6.4#4 in property-based testing toolsFree planFree planWebSelf-hosted
VisitJSVerify vs QuickTheories
QuickTheories
5.9#10 in property-based testing toolsFree planFree planAPISelf-hosted
VisitWhat both publish
| Fact | JSVerify | QuickTheories |
|---|---|---|
| Configuration | The check API documents options for test count, maximum generated value size, quiet output, and random generator state. | The QT_SEED, QT_EXAMPLES, and QT_SHRINKS system properties configure the random seed, examples per theory, and shrink attempts. |
| License | The GitHub repository identifies the project license as MIT. | The repository identifies its license as Apache-2.0. |
| Purpose | JSVerify is a property-based testing library for JavaScript, inspired by QuickCheck. | QuickTheories is a property based testing library for Java 8, described as a Java version of QuickCheck. |
| Test frameworks | The library is framework agnostic, and its site names Mocha, nodeunit, and Jasmine as examples. | QuickTheories can run with JUnit, TestNG, or another test framework. |
JSVerify plans
- JSVerifyFree
QuickTheories plans
- QuickTheoriesFree
Pick JSVerify if…
JSVerify suits JavaScript developers who want generated inputs to check function properties, including asynchronous ones. It may also fit TypeScript projects that can work within the limitation on the type DSL in specs.
Pick QuickTheories if…
QuickTheories suits Java developers who want to test general properties and invariants with generated inputs. It is relevant to developers using JUnit, TestNG, or another test framework.