jstests/noPassthrough/noncapped_oplog_creation.js


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/**
 * Test that the server returns an error response for operations that attempt to create a non-capped
 * oplog collection.
 */
(function() {
'use strict';

var dbpath = MongoRunner.dataPath + 'noncapped_oplog_creation';
resetDbpath(dbpath);

var conn = MongoRunner.runMongod({
    dbpath: dbpath,
    noCleanData: true,
});
assert.neq(null, conn, 'mongod was unable to start up');

var localDB = conn.getDB('local');

// Test that explicitly creating a non-capped oplog collection fails.
assert.commandFailed(localDB.createCollection('oplog.fake', {capped: false}));

// Test that inserting into the replica set oplog fails when implicitly creating a non-capped
// collection.
assert.writeError(localDB.oplog.rs.insert({}));

// Test that inserting into the master-slave oplog fails when implicitly creating a non-capped
// collection.
assert.commandFailed(localDB.runCommand({godinsert: 'oplog.$main', obj: {}}));

// Test that creating a non-capped oplog collection fails when using $out.
assert.writeOK(localDB.input.insert({}));
assert.commandFailed(localDB.runCommand({
    aggregate: 'input',
    pipeline: [{$out: 'oplog.aggregation'}],
}));

MongoRunner.stopMongod(conn);
})();