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/**
* Tests that "listCollections" command successfully returns results when the database has a very
* large number of collections.
* @tags: [
* resource_intensive,
* ]
*/
(function() {
"use strict";
const conn = MongoRunner.runMongod({});
assert.neq(null, conn, "mongod was unable to start up");
const db = conn.getDB(jsTestName());
const validatorObj = {
$jsonSchema: {
bsonType: "object",
properties: {
s: {bsonType: "string", description: "x".repeat(4801)},
}
}
};
const nCollections = 3300;
jsTestLog(`Creating ${nCollections} collections....`);
for (let i = 0; i < nCollections; i++) {
assert.commandWorked(db.createCollection("c_" + i.toPrecision(6), {validator: validatorObj}));
}
jsTestLog(`Done creating ${nCollections} collections`);
assert.commandWorked(db.runCommand({"listCollections": 1}));
// Do not validate collections since that is an expensive action.
MongoRunner.stopMongod(conn, undefined, {skipValidation: true});
})();
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