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// SERVER-27996/SERVER-28022 Missing invalidation for system.namespaces writes
(function() {
'use strict';
let dbInvalidName = 'system_namespaces_invalidations';
let dbInvalid = db.getSiblingDB(dbInvalidName);
let num_collections = 3;
let DROP = 1;
let RENAME = 2;
let MOVE = 3;
function testNamespaceInvalidation(namespaceAction, batchSize) {
dbInvalid.dropDatabase();
// Create enough collections to necessitate multiple cursor batches.
for (let i = 0; i < num_collections; i++) {
assert.commandWorked(dbInvalid.createCollection('coll' + i.toString()));
}
// Get the first two namespaces. Use find on 'system.namespaces' on MMAPv1, listCollections
// otherwise.
let cmd = dbInvalid.system.indexes.count() ? {find: 'system.namespaces'}
: {listCollections: dbInvalidName};
Object.extend(cmd, {batchSize: batchSize});
let res = dbInvalid.runCommand(cmd);
assert.commandWorked(res, 'could not run ' + tojson(cmd));
printjson(res);
// Ensure the cursor has data, invalidate the namespace, and exhaust the cursor.
let cursor = new DBCommandCursor(dbInvalid.getMongo(), res);
let errMsg =
'expected more data from command ' + tojson(cmd) + ', with result ' + tojson(res);
assert(cursor.hasNext(), errMsg);
if (namespaceAction == RENAME) {
// Rename the collection to something that does not fit in the previously allocated
// memory for the record.
assert.commandWorked(
dbInvalid['coll1'].renameCollection('coll1' +
'lkdsahflaksjdhfsdkljhfskladhfkahfsakfla' +
'skfjhaslfaslfkhasklfjhsakljhdsjksahkldjslh'));
} else if (namespaceAction == DROP) {
assert(dbInvalid['coll1'].drop());
} else if (namespaceAction == MOVE) {
let modCmd = {
collMod: 'coll1',
validator: {
$or: [
{phone: {$type: "string"}},
{email: {$regex: /@mongodb\.com$/}},
{status: {$in: ["Unknown", "Incomplete"]}},
{address: {$type: "string"}},
{ssn: {$type: "string"}},
{favoriteBook: {$type: "string"}},
{favoriteColor: {$type: "string"}},
{favoriteBeverage: {$type: "string"}},
{favoriteDay: {$type: "string"}},
{favoriteFood: {$type: "string"}},
{favoriteSport: {$type: "string"}},
{favoriteMovie: {$type: "string"}},
{favoriteShow: {$type: "string"}}
]
}
};
assert.commandWorked(dbInvalid.runCommand(modCmd));
}
assert.gt(cursor.itcount(), 0, errMsg);
}
// Test that we invalidate the old namespace record ID when we remove, rename, or move a
// namespace record.
for (let j = 2; j < 7; j++) {
testNamespaceInvalidation(DROP, j);
testNamespaceInvalidation(RENAME, j);
testNamespaceInvalidation(MOVE, j);
}
}());
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