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count_test.js
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count_test.js
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var mongodb = process.env['TEST_NATIVE'] != null ? require('../../lib/mongodb').native() : require('../../lib/mongodb').pure();
var noReplicasetStart = process.env['NO_REPLICASET_START'] != null ? true : false;
var testCase = require('nodeunit').testCase,
debug = require('util').debug,
inspect = require('util').inspect,
gleak = require('../../dev/tools/gleak'),
ReplicaSetManager = require('../tools/replica_set_manager').ReplicaSetManager,
Db = mongodb.Db,
ReplSetServers = mongodb.ReplSetServers,
Server = mongodb.Server;
// Keep instance of ReplicaSetManager
var serversUp = false;
var retries = 120;
var RS = RS == null ? null : RS;
var ensureConnection = function(test, numberOfTries, callback) {
// Replica configuration
var replSet = new ReplSetServers( [
new Server( RS.host, RS.ports[1], { auto_reconnect: true } ),
new Server( RS.host, RS.ports[0], { auto_reconnect: true } ),
new Server( RS.host, RS.ports[2], { auto_reconnect: true } )
],
{rs_name:RS.name}
);
if(numberOfTries <= 0) return callback(new Error("could not connect correctly"), null);
var db = new Db('integration_test_', replSet);
// Print any errors
db.on("error", function(err) {
console.log("============================= ensureConnection caught error")
console.dir(err)
if(err != null && err.stack != null) console.log(err.stack)
db.close();
})
// Open the db
db.open(function(err, p_db) {
db.close();
if(err != null) {
// Wait for a sec and retry
setTimeout(function() {
numberOfTries = numberOfTries - 1;
ensureConnection(test, numberOfTries, callback);
}, 1000);
} else {
return callback(null, p_db);
}
})
}
/**
* Retrieve the server information for the current
* instance of the db client
*
* @ignore
*/
exports.setUp = function(callback) {
// Create instance of replicaset manager but only for the first call
if(!serversUp && !noReplicasetStart) {
serversUp = true;
RS = new ReplicaSetManager({retries:120, secondary_count:2, passive_count:1, arbiter_count:1});
RS.startSet(true, function(err, result) {
if(err != null) throw err;
// Finish setup
callback();
});
} else {
RS.restartKilledNodes(function(err, result) {
if(err != null) throw err;
callback();
})
}
}
/**
* Retrieve the server information for the current
* instance of the db client
*
* @ignore
*/
exports.tearDown = function(callback) {
numberOfTestsRun = numberOfTestsRun - 1;
if(numberOfTestsRun == 0) {
// Finished kill all instances
RS.killAll(function() {
callback();
})
} else {
callback();
}
}
exports.shouldRetrieveCorrectCountAfterInsertionReconnect = function(test) {
// debug("=========================================== shouldRetrieveCorrectCountAfterInsertionReconnect")
// Replica configuration
var replSet = new ReplSetServers( [
new Server( RS.host, RS.ports[1], { auto_reconnect: true } ),
new Server( RS.host, RS.ports[0], { auto_reconnect: true } ),
new Server( RS.host, RS.ports[2], { auto_reconnect: true } )
],
{rs_name:RS.name}
);
// Insert some data
var db = new Db('integration_test_', replSet);
db.open(function(err, p_db) {
// if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
// Drop collection on replicaset
p_db.dropCollection('testsets', function(err, r) {
if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
// Recreate collection on replicaset
p_db.createCollection('testsets', function(err, collection) {
if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
// Insert a dummy document
collection.insert({a:20}, {safe: {w:2, wtimeout: 10000}}, function(err, r) {
if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
// Execute a count
collection.count(function(err, c) {
if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
test.equal(1, c);
// Close starting connection
p_db.close();
// Ensure replication happened in time
setTimeout(function() {
// Kill the primary
RS.killPrimary(function(node) {
p_db.collection('testsets', function(err, collection) {
if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
collection.insert({a:30}, {safe:true}, function(err, r) {
if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
collection.insert({a:40}, {safe:true}, function(err, r) {
if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
// Execute count
collection.count(function(err, c) {
if(err != null) debug("shouldRetrieveCorrectCountAfterInsertionReconnect :: " + inspect(err));
test.equal(3, c);
p_db.close();
test.done();
});
});
});
});
});
}, 2000);
})
})
});
});
})
}
/**
* Retrieve the server information for the current
* instance of the db client
*
* @ignore
*/
exports.noGlobalsLeaked = function(test) {
var leaks = gleak.detectNew();
test.equal(0, leaks.length, "global var leak detected: " + leaks.join(', '));
test.done();
}
/**
* Retrieve the server information for the current
* instance of the db client
*
* @ignore
*/
var numberOfTestsRun = Object.keys(this).length - 2;