mongodb/jstests/parallel/repl.js

// test all operations in parallel

baseName = "parallel_repl"

rt = new ReplTest( baseName );

m = rt.start( true );
s = rt.start( false );

db = m.getDB( "test" );

Random.setRandomSeed();

t = new ParallelTester();

for( id = 0; id < 10; ++id ) {
    var g = new EventGenerator( id, baseName, Random.randInt( 20 ) );
    for( var j = 0; j < 1000; ++j ) {
        var op = Random.randInt( 3 );
        switch( op ) {
            case 0: // insert
                g.addInsert( { _id:Random.randInt( 1000 ) } );
                break;
            case 1: // remove
                g.addRemove( { _id:Random.randInt( 1000 ) } );
                break;
            case 2: // update
                g.addUpdate( {_id:{$lt:1000}}, {a:{$inc:5}} );
                break;
            default:
                assert( false, "Invalid op code" );
        }
    }
    t.add( EventGenerator.dispatch, g.getEvents() );
}

var g = new EventGenerator( id, baseName, Random.randInt( 5 ) );
for( var j = 1000; j < 3000; ++j ) {
    g.addCheckCount( j - 1000, { _id: {$gte:1000} }, j % 100 == 0, j % 500 == 0 );
    g.addInsert( {_id:j} );
}
t.add( EventGenerator.dispatch, g.getEvents() );

t.run( "one or more tests failed" );

assert( m.getDB( "test" )[ baseName ].validate().valid );
assert( s.getDB( "test" )[ baseName ].validate().valid );

assert.soon( function() { 
            mh = m.getDB( "test" ).runCommand( "dbhash" );
//            printjson( mh );
            sh = s.getDB( "test" ).runCommand( "dbhash" );
//            printjson( sh );
            return mh.md5 == sh.md5;
            } );