jstests/noPassthrough/dropdatabase_respect_maxtimems.js


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/*
 * Tests that dropDatabase respects maxTimeMS.
 * @tags: [requires_replication, uses_transactions]
 */
(function() {
const rst = ReplSetTest({nodes: 1});
rst.startSet();
rst.initiate();

const adminDB = rst.getPrimary().getDB("admin");
const txnDB = rst.getPrimary().getDB("txn");
const dropDB = rst.getPrimary().getDB("drop");

(function assertColletionDropCanBeInterrupted() {
    assert.commandWorked(txnDB.foo.insert({}));
    assert.commandWorked(dropDB.bar.insert({}));
    const session = txnDB.getMongo().startSession({causalConsistency: false});
    const sessionDB = session.getDatabase("txn");
    session.startTransaction();
    assert.commandWorked(sessionDB.foo.insert({}));
    assert.commandFailedWithCode(dropDB.runCommand({dropDatabase: 1, maxTimeMS: 100}),
                                 ErrorCodes.MaxTimeMSExpired);

    assert.commandWorked(session.commitTransaction_forTesting());
    session.endSession();
})();

(function assertDatabaseDropCanBeInterrupted() {
    assert.commandWorked(txnDB.foo.insert({}));
    assert.commandWorked(dropDB.bar.insert({}));

    assert.commandWorked(rst.getPrimary().adminCommand(
        {configureFailPoint: "dropDatabaseHangAfterAllCollectionsDrop", mode: "alwaysOn"}));

    // This will get blocked by the failpoint when collection drop phase finishes.
    let dropDatabaseShell = startParallelShell(
        "assert.commandFailedWithCode(db.getSiblingDB(\"drop\").runCommand({dropDatabase: 1, maxTimeMS: 5000}), ErrorCodes.MaxTimeMSExpired);",
        rst.getPrimary().port);

    assert.soon(function() {
        const sessionFilter = {active: true, "command.dropDatabase": 1};
        const res = adminDB.aggregate([{$currentOp: {}}, {$match: sessionFilter}]);
        return res.hasNext();
    }, "Timeout waiting for dropDatabase to start");

    const session = txnDB.getMongo().startSession({causalConsistency: false});
    const sessionDB = session.getDatabase("txn");
    session.startTransaction();
    assert.commandWorked(sessionDB.foo.insert({}));

    // dropDatabase now gets unblocked by the failpoint but will immediately
    // get blocked by acquiring the GlobalWrite lock for dropping the database.
    assert.commandWorked(rst.getPrimary().adminCommand(
        {configureFailPoint: "dropDatabaseHangAfterAllCollectionsDrop", mode: "off"}));

    // This should timeout.
    dropDatabaseShell();

    assert.commandWorked(session.commitTransaction_forTesting());
    session.endSession();
})();

rst.stopSet();
})();