jstests/replsets/rename_collection_between_unrepl_and_repl.js


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/**
 * Tests that renameCollection disallows renaming between an unreplicated and a replicated
 * namespace in both directions. Unreplicated collections are unique to the nodes that own
 * them, so allowing such renames would introduce consistency risks. This test uses the
 * 'local' database for unreplicated namespaces.
 */

(function() {
    "use strict";

    const name = "rename_collection_between_unrepl_and_repl";
    const rst = new ReplSetTest({"name": name, "nodes": 1});
    rst.startSet();
    rst.initiate();
    const primary = rst.getPrimary();

    /**
     * Part 1: Attempt to rename from a replicated to an unreplicated namespace.
     */
    let sourceNs = "somedb.replicated";
    let targetNs = "local.unreplicated";

    // Ensure that the source collection exists.
    assert.commandWorked(primary.getCollection(sourceNs).insert({"fromRepl": "toUnrepl"}));

    assert.commandFailedWithCode(
        primary.adminCommand({"renameCollection": sourceNs, "to": targetNs}),
        ErrorCodes.IllegalOperation);

    /**
     * Part 2: Attempt to rename from an unreplicated to a replicated namespace.
     */
    sourceNs = "local.alsoUnreplicated";
    targetNs = "somedb.alsoReplicated";

    // Ensure that the source collection exists.
    assert.commandWorked(primary.getCollection(sourceNs).insert({"fromUnrepl": "toRepl"}));

    assert.commandFailedWithCode(
        primary.adminCommand({"renameCollection": sourceNs, "to": targetNs}),
        ErrorCodes.IllegalOperation);

    rst.stopSet();
})();