For more information view the documentation.
Chai is available for both node.js and the browser using any test framework you like.
Package is available through npm:
npm install chai
Recommend adding it to package.json devDependancies.
Include the chai browser build in your testing suite.
Currently supports all modern browsers: IE 9+, Chrome 7+, FireFox 4+, Safari 5+. Want to know if your browser is compatible? Run the online test suite.
The Chai community is growing! Plugins allow developers to expand Chai's available assertions. Here is what the community has come up with so far:
- chai-spies is a basic spy implementation for chai. It's also a good resource for building chai plugins that work in both node.js and the browser.
- chai-jquery by @jfirebaugh
provides deep jQuery integration with chai's
- jack by @vesln is a mock/stub library that can be used as a stand-alone or with chai.
- sinon-chai by @domenic extends chai with assertions for the Sinon.js mocking framework.
- chai-as-promised by @domenic extends chai with assertions about promises.
If you have questions or issues, please use this projects Github Issues. You can also keep up to date on the Google Group or ping @jakeluer directly on Twitter. Chai developers can also be found on Freenode IRC in #letstest.js.
The current stable version tree is the
0.5.x tree on the
master branch. If you are interested in seeing
what we have planned, or if you are a plugin developer interested in preparing your plugins for the
next major release, see the
- Stable: 0.5.x
- Unstables: 0.6.x
commits: 252 files : 71 authors: 192 Jake Luer 76.2% 53 Veselin Todorov 21.0% 3 Jeff Barczewski 1.2% 1 Vinay Pulim 0.4% 1 Jo Liss 0.4% 1 Domenic Denicola 0.4% 1 John Firebaugh 0.4%
(The MIT License)
Copyright (c) 2011-2012 Jake Luer firstname.lastname@example.org
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.