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path: root/jstests/sharding/collection_uuid_drop.js
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/**
 * Tests the collectionUUID parameter of the drop command when one collection is sharded and the
 * other collection is unsharded.
 *
 * @tags: [
 *   requires_fcv_60,
 * ]
 */
(function() {
'use strict';

const st = new ShardingTest({shards: 2});
const mongos = st.s;

const db = mongos.getDB(jsTestName());
assert.commandWorked(mongos.adminCommand({enableSharding: db.getName()}));
st.ensurePrimaryShard(db.getName(), st.shard0.shardName);

const shardedColl = db.sharded;
const unshardedColl = db.unsharded;

assert.commandWorked(shardedColl.insert({_id: 0}));
assert.commandWorked(shardedColl.insert({_id: 1}));
assert.commandWorked(unshardedColl.insert({_id: 2}));

const uuid = function(coll) {
    return assert.commandWorked(db.runCommand({listCollections: 1}))
        .cursor.firstBatch.find(c => c.name === coll.getName())
        .info.uuid;
};

assert.commandWorked(
    mongos.adminCommand({shardCollection: shardedColl.getFullName(), key: {_id: 1}}));

// Move {_id: 0} to shard0 and {_id: 1} to shard1.
assert.commandWorked(st.splitAt(shardedColl.getFullName(), {_id: 1}));
assert.commandWorked(mongos.adminCommand(
    {moveChunk: shardedColl.getFullName(), find: {_id: 0}, to: st.shard0.shardName}));
assert.commandWorked(mongos.adminCommand(
    {moveChunk: shardedColl.getFullName(), find: {_id: 1}, to: st.shard1.shardName}));

// Run the drop command on the collection that is sharded, while specifying the UUID of the
// unsharded collection which only exists on shard0.
let res = assert.commandFailedWithCode(
    db.runCommand({drop: shardedColl.getName(), collectionUUID: uuid(unshardedColl)}),
    ErrorCodes.CollectionUUIDMismatch);
assert.eq(res.db, db.getName());
assert.eq(res.collectionUUID, uuid(unshardedColl));
assert.eq(res.expectedCollection, shardedColl.getName());
assert.eq(res.actualCollection, unshardedColl.getName());

// Run the drop command on the unsharded collection, which only exists on shard0.
res = assert.commandFailedWithCode(
    db.runCommand({drop: unshardedColl.getName(), collectionUUID: uuid(shardedColl)}),
    ErrorCodes.CollectionUUIDMismatch);
assert.eq(res.db, db.getName());
assert.eq(res.collectionUUID, uuid(shardedColl));
assert.eq(res.expectedCollection, unshardedColl.getName());
assert.eq(res.actualCollection, shardedColl.getName());

st.stop();
})();