Files
mongo/jstests/core/currentop.js
2016-03-09 12:18:14 -05:00

83 lines
2.0 KiB
JavaScript

print("BEGIN currentop.js");
// test basic currentop functionality + querying of nested documents
t = db.jstests_currentop;
t.drop();
for (i = 0; i < 100; i++) {
t.save({"num": i});
}
print("count:" + t.count());
function ops(q) {
printjson(db.currentOp().inprog);
return db.currentOp(q).inprog;
}
print("start shell");
// sleep for a second for each (of 100) documents; can be killed in between documents & test should
// complete before 100 seconds
s1 = startParallelShell("db.jstests_currentop.count( { '$where': function() { sleep(1000); } } )");
print("sleep");
sleep(1000);
print("inprog:");
printjson(db.currentOp().inprog);
print();
sleep(1);
print("inprog:");
printjson(db.currentOp().inprog);
print();
// need to wait for read to start
print("wait have some ops");
assert.soon(function() {
return ops({"locks.Collection": "r", "ns": "test.jstests_currentop"}).length +
ops({"locks.Collection": "R", "ns": "test.jstests_currentop"}).length >=
1;
}, "have_some_ops");
print("ok");
s2 = startParallelShell("db.jstests_currentop.update({ '$where': function() { sleep(150); } }," +
" { '$inc': {num: 1} }, false, true );");
o = [];
function f() {
o = ops({"ns": "test.jstests_currentop"});
printjson(o);
var writes = ops({"locks.Collection": "w", "ns": "test.jstests_currentop"}).length;
var readops = ops({"locks.Collection": "r", "ns": "test.jstests_currentop"});
print("readops:");
printjson(readops);
var reads = readops.length;
print("total: " + o.length + " w: " + writes + " r:" + reads);
return o.length > writes && o.length > reads;
}
print("go");
assert.soon(f, "f");
// avoid waiting for the operations to complete (if soon succeeded)
for (var i in o) {
db.killOp(o[i].opid);
}
start = new Date();
// The operations running in the parallel shells may or may not have been killed.
s1({checkExitSuccess: false});
s2({checkExitSuccess: false});
// don't want to pass if timeout killed the js function
assert((new Date()) - start < 30000);