🤖 Repeat tests. Repeat tests. Repeat tests. Repeats tests using different inputs (Data-Driven Testing): test runner independent: works with your current setup generates test titles that are descriptive, unique, for any JavaScript type (not just JSON) loops over every possible combination of inputs (cartesian product) can use random functions (fuzz testing) snapshot testing friendly // The example
In a world full of complex test-runners, Tead dares to keep it simple. Tests are defined as plain JavaScript objects. The only test assertion supported is a basic form of deep equals. Mocks/fakes/spies will never be provided. Asynchronous tests are not possible. These are all very intentional key features. The boilerplate and global nastiness of functions such as describe/beforeEach/beforeAll/afte
Hands-on tutorial and definition of Property Based Testing: 🏁 see tutorial. Or directly try it online on our pre-configured CodeSandbox. Property based testing frameworks check the truthfulness of properties. A property is a statement like: for all (x, y, ...) such that precondition(x, y, ...) holds predicate(x, y, ...) is true. Install the module with: pnpm add -D fast-check or yarn add fast-che
Today we are excited to announce Jest 23, our largest major release to date! Together with over 100 contributors, we've shipped a ton of features and bug fixes. Thank you to everyone in the community for helping make JavaScript Testing Delightful. We would also like to welcome both Babel and webpack to the Jest community! After converting from Mocha to Jest 23 Beta, webpack saw their total test su
These docs are from an older version of sinon. Do you want the latest docs? API documentation - Sinon.JS - v22.0.0 This page contains the entire Sinon.JS API documentation along with brief introductions to the concepts Sinon implements. General setup Fakes Spies Stubs Mocks Spy calls Promises Fake timers JSON-P Assertions Matchers Sandboxes Utils Migration guides Migrating from v1.x to v2.0 Migrat
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