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/**
* Tests that validating a collection in the background that has not been checkpointed yet does no
* validation. In addition, ensures that background validation skips indexes that are not yet
* checkpointed.
*
* @tags: [requires_fsync, requires_wiredtiger, requires_persistence]
*/
(function() {
'use strict';
// To prevent the checkpoint thread from running during this test, change its frequency to the
// largest possible value using the 'syncdelay' parameter.
const kMaxSyncDelaySecs = 3600;
let conn = MongoRunner.runMongod({syncdelay: kMaxSyncDelaySecs});
assert.neq(null, conn, "mongod was unable to start up");
const dbName = "test";
const collName = "background_validation_checkpoint_existence";
const db = conn.getDB(dbName);
const forceCheckpoint = () => {
assert.commandWorked(db.adminCommand({fsync: 1}));
};
assert.commandWorked(db.createCollection(collName));
const coll = db.getCollection(collName);
for (let i = 0; i < 5; i++) {
assert.commandWorked(coll.insert({x: i}));
}
// The collection has not been checkpointed yet, so there is nothing to validate.
let res = assert.commandWorked(db.runCommand({validate: collName, background: true}));
assert.eq(true, res.valid, res);
assert.eq(false, res.hasOwnProperty("nrecords"), res);
assert.eq(false, res.hasOwnProperty("nIndexes"), res);
forceCheckpoint();
res = assert.commandWorked(db.runCommand({validate: collName, background: true}));
assert.eq(true, res.valid, res);
assert.eq(true, res.hasOwnProperty("nrecords"), res);
assert.eq(true, res.hasOwnProperty("nIndexes"), res);
assert.commandWorked(coll.createIndex({x: 1}));
// Shouldn't validate the newly created index here as it wasn't checkpointed yet.
res = assert.commandWorked(db.runCommand({validate: collName, background: true}));
assert.eq(true, res.valid, res);
assert.eq(1, res.nIndexes, res);
forceCheckpoint();
// Validating after the checkpoint should validate the newly created index.
res = assert.commandWorked(db.runCommand({validate: collName, background: true}));
assert.eq(true, res.valid, res);
assert.eq(2, res.nIndexes, res);
MongoRunner.stopMongod(conn);
}());
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