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/*!
* mocha
* Copyright(c) 2011 TJ Holowaychuk <tj@vision-media.ca>
* MIT Licensed
*/
/**
* Module dependencies.
*/
var path = require('path');
/**
* Expose `Mocha`.
*/
exports = module.exports = Mocha;
/**
* Library version.
*/
exports.version = '1.0.1';
/**
* Expose internals.
*/
exports.utils = require('./utils');
exports.interfaces = require('./interfaces');
exports.reporters = require('./reporters');
exports.Runnable = require('./runnable');
exports.Context = require('./context');
exports.Runner = require('./runner');
exports.Suite = require('./suite');
exports.Hook = require('./hook');
exports.Test = require('./test');
/**
* Return image `name` path.
*
* @param {String} name
* @return {String}
* @api private
*/
function image(name) {
return __dirname + '/../images/' + name + '.png';
}
/**
* Setup mocha with `options`.
*
* Options:
*
* - `ui` name "bdd", "tdd", "exports" etc
* - `reporter` reporter instance, defaults to `mocha.reporters.Dot`
* - `globals` array of accepted globals
* - `timeout` timeout in milliseconds
* - `ignoreLeaks` ignore global leaks
*
* @param {Object} options
* @api public
*/
function Mocha(options) {
options = options || {};
this.files = [];
this.options = options;
this.suite = new exports.Suite('', new exports.Context);
this.ui(options.ui);
this.reporter(options.reporter);
if (options.timeout) this.suite.timeout(options.timeout);
}
/**
* Add test `file`.
*
* @param {String} file
* @api public
*/
Mocha.prototype.addFile = function(file){
this.files.push(file);
return this;
};
/**
* Set reporter to `name`, defaults to "dot".
*
* @param {String} name
* @api public
*/
Mocha.prototype.reporter = function(name){
name = name || 'dot';
this._reporter = require('./reporters/' + name);
if (!this._reporter) throw new Error('invalid reporter "' + name + '"');
return this;
};
/**
* Set test UI `name`, defaults to "bdd".
*
* @param {String} bdd
* @api public
*/
Mocha.prototype.ui = function(name){
name = name || 'bdd';
this._ui = exports.interfaces[name];
if (!this._ui) throw new Error('invalid interface "' + name + '"');
this._ui = this._ui(this.suite);
return this;
};
/**
* Load registered files.
*
* @api private
*/
Mocha.prototype.loadFiles = function(){
var suite = this.suite;
this.files.forEach(function(file){
file = path.resolve(file);
suite.emit('pre-require', global, file);
suite.emit('require', require(file), file);
suite.emit('post-require', global, file);
});
};
/**
* Enable growl support.
*
* @api private
*/
Mocha.prototype.growl = function(runner, reporter) {
var notify = require('growl');
runner.on('end', function(){
var stats = reporter.stats;
if (stats.failures) {
var msg = stats.failures + ' of ' + runner.total + ' tests failed';
notify(msg, { title: 'Failed', image: image('fail') });
} else {
notify(stats.passes + ' tests passed in ' + stats.duration + 'ms', {
title: 'Passed'
, image: image('pass')
});
}
});
};
/**
* Run tests and invoke `fn()` when complete.
*
* @param {Function} fn
* @return {Runner}
* @api public
*/
Mocha.prototype.run = function(fn){
this.loadFiles();
var suite = this.suite;
var options = this.options;
var runner = new exports.Runner(suite);
var reporter = new this._reporter(runner);
runner.ignoreLeaks = options.ignoreLeaks;
if (options.grep) runner.grep(options.grep);
if (options.globals) runner.globals(options.globals);
if (options.growl) this.growl(runner, reporter);
return runner.run(fn);
};
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