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/**
* Module dependencies.
*/
var mongoose = require('../')
, should = require('should')
, Table = require('cli-table')
, Mongoose = mongoose.Mongoose
, Collection = mongoose.Collection
, Assertion = should.Assertion
, startTime = Date.now()
, queryCount = 0
, opened = 0
, closed = 0;
/**
* Override all Collection related queries to keep count
*/
[ 'ensureIndex'
, 'findAndModify'
, 'findOne'
, 'find'
, 'insert'
, 'save'
, 'update'
, 'remove'
, 'count'
, 'distinct'
].forEach(function (method) {
var oldMethod = Collection.prototype[method];
Collection.prototype[method] = function () {
queryCount++;
return oldMethod.apply(this, arguments);
};
});
/**
* Override Collection#onOpen to keep track of connections
*/
var oldOnOpen = Collection.prototype.onOpen;
Collection.prototype.onOpen = function(){
opened++;
return oldOnOpen.apply(this, arguments);
};
/**
* Override Collection#onClose to keep track of disconnections
*/
var oldOnClose = Collection.prototype.onClose;
Collection.prototype.onClose = function(){
closed++;
return oldOnClose.apply(this, arguments);
};
/**
* Assert that a connection is open or that mongoose connections are open.
* Examples:
* mongoose.should.be.connected;
* db.should.be.connected;
*
* @api public
*/
Assertion.prototype.__defineGetter__('connected', function(){
if (this.obj instanceof Mongoose)
this.obj.connections.forEach(function(connected){
c.should.be.connected;
});
else
this.obj.readyState.should.eql(1);
});
/**
* Assert that a connection is closed or that a mongoose connections are closed.
* Examples:
* mongoose.should.be.disconnected;
* db.should.be.disconnected;
*
* @api public
*/
Assertion.prototype.__defineGetter__('disconnected', function(){
if (this.obj instanceof Mongoose)
this.obj.connections.forEach(function(){
c.should.be.disconnected;
});
else
this.obj.readyState.should.eql(0);
});
/**
* Create a connection to the test database.
* You can set the environmental variable MONGOOSE_TEST_URI to override this.
*
* @api private
*/
module.exports = function (options) {
var uri;
if (options && options.uri) {
uri = options.uri;
delete options.uri;
} else {
uri = process.env.MONGOOSE_TEST_URI ||
'mongodb://localhost/mongoose_test'
}
return mongoose.createConnection(uri, options);
};
/**
* Provide stats for tests
*/
process.on('beforeExit', function(){
var table = new Table({
head: ['Stat', 'Time (ms)']
, colWidths: [23, 15]
});
table.push(
['Queries run', queryCount]
, ['Time ellapsed', Date.now() - startTime]
, ['Connections opened', opened]
, ['Connections closed', closed]
);
console.error(table.toString());
});
/**
* Module exports.
*/
module.exports.mongoose = mongoose;
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