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/* oplog.js */
var debugging = false;
var testname = "oplog";
var step = 1;
var conn = null;
function checkNoJournalFiles(path, pass) {
var files = listFiles(path);
if (files.some(function(f) {
return f.name.indexOf("prealloc") < 0;
})) {
if (pass == null) {
// wait a bit longer for mongod to potentially finish if it is still running.
sleep(10000);
return checkNoJournalFiles(path, 1);
}
print("\n\n\n");
print("FAIL path:" + path);
print("unexpected files:");
printjson(files);
assert(false, "FAIL a journal/lsn file is present which is unexpected");
}
}
function runDiff(a, b) {
function reSlash(s) {
var x = s;
if (_isWindows()) {
while (1) {
var y = x.replace('/', '\\');
if (y == x)
break;
x = y;
}
}
return x;
}
a = reSlash(a);
b = reSlash(b);
print("diff " + a + " " + b);
return runProgram("diff", a, b);
}
function log(str) {
print();
if (str)
print(testname + " step " + step++ + " " + str);
else
print(testname + " step " + step++);
}
function verify() {
log("verify");
var d = conn.getDB("local");
var mycount = d.oplog.$main.find({"o.z": 3}).count();
print(mycount);
assert(mycount == 3, "oplog doesnt match");
}
// if you do inserts here, you will want to set _id. otherwise they won't match on different
// runs so we can't do a binary diff of the resulting files to check they are consistent.
function work() {
log("work");
var d = conn.getDB("test");
var q = conn.getDB("testq"); // use tewo db's to exercise JDbContext a bit.
d.foo.insert({_id: 3, x: 22});
d.foo.insert({_id: 4, x: 22});
q.foo.insert({_id: 4, x: 22});
d.a.insert({_id: 3, x: 22, y: [1, 2, 3]});
q.a.insert({_id: 3, x: 22, y: [1, 2, 3]});
d.a.insert({_id: 4, x: 22, y: [1, 2, 3]});
d.a.update({_id: 4}, {$inc: {x: 1}});
// OpCode_ObjCopy fires on larger operations so make one that isn't tiny
var big = "axxxxxxxxxxxxxxb";
big = big + big;
big = big + big;
big = big + big;
big = big + big;
big = big + big;
d.foo.insert({_id: 5, q: "aaaaa", b: big, z: 3});
q.foo.insert({_id: 5, q: "aaaaa", b: big, z: 3});
d.foo.insert({_id: 6, q: "aaaaa", b: big, z: 3});
d.foo.update({_id: 5}, {$set: {z: 99}});
log("endwork");
verify();
}
if (debugging) {
// mongod already running in debugger
print(
"DOING DEBUG MODE BEHAVIOR AS 'db' IS DEFINED -- RUN mongo --nodb FOR REGULAR TEST BEHAVIOR");
conn = db.getMongo();
work();
sleep(30000);
quit();
}
log();
// directories
var path1 = MongoRunner.dataPath + testname + "nodur";
var path2 = MongoRunner.dataPath + testname + "dur";
// non-durable version
log();
conn = MongoRunner.runMongod(
{dbpath: path1, nojournal: "", smallfiles: "", master: "", oplogSize: 64});
work();
MongoRunner.stopMongod(conn);
// durable version
log();
conn = MongoRunner.runMongod({
dbpath: path2,
journal: "",
smallfiles: "",
journalOptions: 8 /*DurParanoid*/,
master: "",
oplogSize: 64
});
work();
// wait for group commit.
printjson(conn.getDB('admin').runCommand({getlasterror: 1, fsync: 1}));
// kill the process hard
MongoRunner.stopMongod(conn, /*signal*/ 9);
// journal file should be present, and non-empty as we killed hard
// restart and recover
log();
conn = MongoRunner.runMongod({
restart: true,
cleanData: false,
dbpath: path2,
journal: "",
smallfiles: "",
journalOptions: 8,
master: "",
oplogSize: 64
});
verify();
log("stop");
MongoRunner.stopMongod(conn);
// stopMongod seems to be asynchronous (hmmm) so we sleep here.
sleep(5000);
// at this point, after clean shutdown, there should be no journal files
log("check no journal files");
checkNoJournalFiles(path2 + "/journal");
log("check data matches ns");
var diff = runDiff(path1 + "/test.ns", path2 + "/test.ns");
if (diff != "") {
print("\n\n\nDIFFERS\n");
print(diff);
}
assert(diff == "", "error test.ns files differ");
log("check data matches .0");
diff = runDiff(path1 + "/test.0", path2 + "/test.0");
if (diff != "") {
print("\n\n\nDIFFERS\n");
print(diff);
}
assert(diff == "", "error test.0 files differ");
log("check data matches done");
print(testname + " SUCCESS");
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