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/**
* Basic test for the drop collection command
*
* @tags: [
* # Cannot implicitly shard accessed collections because of collection
* # existing when none expected.
* assumes_no_implicit_collection_creation_after_drop,
* no_selinux,
* ]
*/
(function() {
"use strict";
function assertCollectionDropped(ns) {
const coll = db[ns];
// No more coll entry
assert.eq(null, coll.exists(), "Collection exists after being dropped.");
// No more documents
assert.eq(0, coll.countDocuments({}), "Found leftover documents for dropped collection.");
// No more indexes
assert.eq(0, coll.getIndexes().length, "Found leftover indexes for dropped collection.");
}
const coll = db[jsTestName() + "_coll"];
const isMongos = db.adminCommand({isdbgrid: 1}).isdbgrid;
jsTest.log("Drop Unexistent collection.");
{
// Drop the collection
let dropRes = db.runCommand({drop: coll.getName()});
if (isMongos) {
assert.commandWorked(dropRes);
} else {
// TODO SERVER-43894 Make dropping a nonexistent collection a noop
assert.commandWorkedOrFailedWithCode(dropRes, ErrorCodes.NamespaceNotFound);
}
assertCollectionDropped(coll.getFullName());
}
jsTest.log("Drop existing collection.");
{
// Create the collection
assert.commandWorked(coll.insert({x: 1}));
assert.eq(1, coll.countDocuments({x: 1}));
assert.eq(1, coll.getIndexes().length);
// Drop the collection
assert.commandWorked(db.runCommand({drop: coll.getName()}));
assertCollectionDropped(coll.getFullName());
// Test idempotency
let dropRes = db.runCommand({drop: coll.getName()});
if (isMongos) {
assert.commandWorked(dropRes);
} else {
// TODO SERVER-43894 Make dropping a nonexistent collection a noop
assert.commandWorkedOrFailedWithCode(dropRes, ErrorCodes.NamespaceNotFound);
}
assertCollectionDropped(coll.getFullName());
}
jsTest.log("Drop collection with multiple indexes.");
{
assert.commandWorked(coll.insert({x: 1}));
assert.eq(1, coll.countDocuments({x: 1}));
coll.createIndex({a: 1});
assert.eq(2, coll.getIndexes().length);
assert.commandWorked(db.runCommand({dropIndexes: coll.getName(), index: "*"}));
assert.eq(1, coll.getIndexes().length);
// Drop the collection
assert.commandWorked(db.runCommand({drop: coll.getName()}));
assertCollectionDropped(coll.getFullName());
}
})();
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