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/**
* Regression test for SERVER-4892.
*
* Verify that a client can delete cursors that it creates, when mongod is running with "auth"
* enabled.
*
* This test requires users to persist across a restart.
* @tags: [requires_persistence]
*/
var baseName = 'jstests_auth_server4892';
var dbpath = MongoRunner.dataPath + baseName;
resetDbpath(dbpath);
var mongodCommonArgs = {
dbpath: dbpath,
noCleanData: true,
};
/*
* Start an instance of mongod, pass it as a parameter to operation(), then stop the instance of
* mongod before unwinding or returning out of with_mongod().
*
* 'extraMongodArgs' are extra arguments to pass on the mongod command line, as an object.
*/
function withMongod(extraMongodArgs, operation) {
var mongod = MongoRunner.runMongod(Object.merge(mongodCommonArgs, extraMongodArgs));
try {
operation(mongod);
} finally {
MongoRunner.stopMongod(mongod.port);
}
}
/*
* Fail an assertion if the given "mongod" instance does not have exactly expectNumLiveCursors live
* cursors on the server.
*/
function expectNumLiveCursors(mongod, expectedNumLiveCursors) {
var conn = new Mongo(mongod.host);
var db = mongod.getDB('admin');
db.auth('admin', 'admin');
var actualNumLiveCursors = db.serverStatus().metrics.cursor.open.total;
assert(actualNumLiveCursors == expectedNumLiveCursors,
"actual num live cursors (" + actualNumLiveCursors + ") != exptected (" +
expectedNumLiveCursors + ")");
}
withMongod({noauth: ""},
function setupTest(mongod) {
var admin, somedb, conn;
conn = new Mongo(mongod.host);
admin = conn.getDB('admin');
somedb = conn.getDB('somedb');
admin.createUser({user: 'admin', pwd: 'admin', roles: jsTest.adminUserRoles});
admin.auth('admin', 'admin');
somedb.createUser({user: 'frim', pwd: 'fram', roles: jsTest.basicUserRoles});
somedb.data.drop();
for (var i = 0; i < 10; ++i) {
assert.writeOK(somedb.data.insert({val: i}));
}
admin.logout();
});
withMongod({auth: ""},
function runTest(mongod) {
var conn = new Mongo(mongod.host);
var somedb = conn.getDB('somedb');
somedb.auth('frim', 'fram');
expectNumLiveCursors(mongod, 0);
var cursor = somedb.data.find({}, {'_id': 1}).batchSize(1);
cursor.next();
expectNumLiveCursors(mongod, 1);
cursor = null;
// NOTE(schwerin): We assume that after setting cursor = null, there are no remaining
// references
// to the cursor, and that gc() will deterministically garbage collect it.
gc();
// NOTE(schwerin): dbKillCursors gets piggybacked on subsequent messages on the
// connection, so we
// have to force a message to the server.
somedb.data.findOne();
expectNumLiveCursors(mongod, 0);
});
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