all files / workspace/ index.js

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var stream = require('stream');
var assert = require('assert');
var Mocha = require('mocha');
 
var mocha = new Mocha();
 
process.once('beforeExit', function () {
    mocha.run();
});
 
module.exports = function (expected, message, data) {
    
    if (expected instanceof Function ||  typeof expected === 'function') {
        
        var unit = new stream.Duplex({
            objectMode: true,
            read: function() {
                this.push(data);
                this.pause();
            }
        });
        
        unit.on('pipe', function (source) {
            
            this._write = function (data, encoding, callback) {
                
                mocha.suite.addTest(new Mocha.Test(
                    message || expected.toString(),
                    expected.bind(null, data, callback)
                ));
                
                source.unpipe(this);
                this.unpipe(source);
            };
            
            this._readableState.pipesCount === 0 && this.pipe(source);
            
            this.emit('drain');
        });
        
        unit.pipe = (function (pipe) {
            
            return function () {
                for (var key in arguments)
                    pipe.call(this, arguments[key]);
            };
        })(unit.pipe);
        
        return unit;
    }
    
    if (expected instanceof String || typeof expected === 'string')
        
        return module.exports(
            assert.strictEqual.bind(null, expected),
            message || '\'' + expected + '\'',
            data || expected
        );
    
    if (expected instanceof RegExp)
        
        return module.exports(function (data) {
                assert(expected.test(data));
            },
            message || expected.toString(),
            data || expected
        );
    
    if (expected instanceof Object || typeof callback === 'object')
        
        return module.exports(
            assert.deepEqual.bind(null, expected),
            message || JSON.stringify(expected),
            data || expected
        );
    
    return module.exports(
        assert.bind(null, process.env.npm_package_config_test),
        'not expected'
    );
};
 
module.exports.not = function (expected, message, data) {
    
    if (expected instanceof String || typeof expected === 'string')
        
        return module.exports(
            assert.notStrictEqual.bind(null, expected),
            message || 'not \'' + expected + '\'',
            data || expected
        );
    
    if (expected instanceof RegExp)
        
        return module.exports(function (data) {
                assert(!expected.test(data));
            },
            message || 'not ' + expected.toString(),
            data || expected
        );
    
    if (expected instanceof Object || typeof callback === 'object')
        
        return module.exports(
            assert.notDeepStrictEqual.bind(null, expected),
            message || 'not ' + JSON.stringify(expected),
            data || expected
        );
    
    return module.exports(expected);
};