Mocha (JavaScript framework)
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100px | |
Initial release | 22 November 2011 |
---|---|
Stable release | 2.3.4 / 15 November 2015 |
Written in | JavaScript |
Type | Test automation framework |
License | MIT |
Website | mochajs |
Mocha is a JavaScript test framework running on node.js, featuring browser support, asynchronous testing, test coverage reports, and use of any assertion library.
Assertion Libraries
Mocha can be used with most JavaScript assertion libraries, including:
- should.js
- express.js
- chai
- better-assert
- unexpected
Usage and examples
$ npm install -g mocha
$ mkdir test
var assert = require("assert")
describe('Foo', function(){
describe('#getBar(value)', function(){
it('should return 100 when value is negative') // placeholder
it('should return 0 when value is positive', function(){
assert.equal(0, Foo.getBar(10));
})
})
})
$ mocha
.
1 test complete (1ms)
For asynchronous testing, invoke the callback, and Mocha will wait for completion.
describe('Foo', function(){
describe('#bar()', function(){
it('should work without error', function(done){
var foo = new Foo(128);
foo.bar(done);
})
})
})