mongo/jstests/core/shellkillop.js

baseName = "jstests_shellkillop";

// 'retry' should be set to true in contexts where an exception should cause the test to be retried rather than to fail.
retry = false;

function testShellAutokillop() {

if (true) { // toggle to disable test
    db[baseName].drop();

    print("shellkillop.js insert data");
    for (i = 0; i < 100000; ++i) {
        db[baseName].insert({ i: 1 });
    }
    assert.eq(100000, db[baseName].count());

    // mongo --autokillop suppressed the ctrl-c "do you want to kill current operation" message
    // it's just for testing purposes and thus not in the shell help
    var evalStr = "print('SKO subtask started'); db." + baseName + ".update( {}, {$set:{i:'abcdefghijkl'}}, false, true ); db." + baseName + ".count();";
    print("shellkillop.js evalStr:" + evalStr);
    spawn = startMongoProgramNoConnect("mongo", "--autokillop", "--port", myPort(), "--eval", evalStr);

    sleep(100);
    retry = true;
    assert(db[baseName].find({ i: 'abcdefghijkl' }).count() < 100000, "update ran too fast, test won't be valid");
    retry = false;

    stopMongoProgramByPid(spawn);

    sleep(100);

    print("count abcdefghijkl:" + db[baseName].find({ i: 'abcdefghijkl' }).count());

    var inprog = db.currentOp().inprog;
    for (i in inprog) {
        if (inprog[i].ns == "test." + baseName)
            throw Error( "shellkillop.js op is still running: " + tojson( inprog[i] ) );
    }

    retry = true;
    assert(db[baseName].find({ i: 'abcdefghijkl' }).count() < 100000, "update ran too fast, test was not valid");
    retry = false;
}

}

for( var nTries = 0; nTries < 10 && retry; ++nTries ) {
    try {
        testShellAutokillop();
    } catch (e)  {
        if ( !retry ) {
            throw e;
        }
        printjson( e );
        print( "retrying..." );
    }
}

assert( !retry, "retried too many times" );

print("shellkillop.js SUCCESS");