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/**
* Tests that the collMod command can be used to remove invalid index options.
*
* @tags: [requires_replication]
*/
(function() {
"use strict";
load("jstests/libs/fail_point_util.js");
const rst = ReplSetTest({nodes: 2});
rst.startSet();
rst.initiate();
const dbName = "test";
const collName = jsTestName();
const primary = rst.getPrimary();
const secondary = rst.getSecondary();
const primaryDB = primary.getDB(dbName);
const primaryColl = primaryDB.getCollection(collName);
const secondaryDB = secondary.getDB(dbName);
// In earlier versions of the server, users were able to add invalid index options when creating an
// index. This fail point allows us to skip validating index options to simulate the old behaviour.
const fpPrimary = configureFailPoint(primaryDB, "skipIndexCreateFieldNameValidation");
const fpSecondary = configureFailPoint(secondaryDB, "skipIndexCreateFieldNameValidation");
// Create indexes with invalid options.
assert.commandWorked(primaryColl.createIndex({x: 1}, {safe: true, sparse: true, force: false}));
assert.commandWorked(primaryColl.createIndex({y: 1}, {sparse: true}));
assert.commandWorked(primaryColl.createIndex({z: 1}, {xyz: false}));
fpPrimary.off();
fpSecondary.off();
// Verify that validate detects indexes with invalid index options on both the primary and
// secondary nodes.
let validateRes = assert.commandWorked(primaryDB.runCommand({validate: collName}));
assert(!validateRes.valid);
validateRes = assert.commandWorked(secondaryDB.runCommand({validate: collName}));
assert(!validateRes.valid);
// Use collMod to remove the invalid index options in the collection.
assert.commandWorked(primaryDB.runCommand({collMod: collName}));
// Removing unknown field from index spec.
checkLog.containsJson(primary, 23878, {fieldName: "safe"});
checkLog.containsJson(primary, 23878, {fieldName: "force"});
checkLog.containsJson(primary, 23878, {fieldName: "xyz"});
checkLog.containsJson(secondary, 23878, {fieldName: "safe"});
checkLog.containsJson(secondary, 23878, {fieldName: "force"});
checkLog.containsJson(secondary, 23878, {fieldName: "xyz"});
// Verify that validate no longer detects indexes with invalid options on both the primary and
// secondary nodes.
validateRes = assert.commandWorked(primaryDB.runCommand({validate: collName}));
assert(validateRes.valid);
validateRes = assert.commandWorked(secondaryDB.runCommand({validate: collName}));
assert(validateRes.valid);
rst.stopSet();
}());
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