mongodb/jstests/replsets/initial_sync_fail_insert_once.js

/**
 * Tests that initial sync can complete after a failed insert to a cloned collection.
 * The failpoint may fail once or twice depending on the order of the results of listCollection,
 * so we allow initial sync to retry 3 times.
 */

(function() {
var name = 'initial_sync_fail_insert_once';
var replSet = new ReplSetTest(
    {name: name, nodes: 2, nodeOptions: {setParameter: "numInitialSyncAttempts=3"}});

replSet.startSet();
replSet.initiate();
var primary = replSet.getPrimary();
var secondary = replSet.getSecondary();

var coll = primary.getDB('test').getCollection(name);
assert.commandWorked(coll.insert({_id: 0, x: 1}, {writeConcern: {w: 2}}));

jsTest.log("Re-syncing " + tojson(secondary));
const params = {
    'failpoint.failCollectionInserts':
        tojson({mode: {times: 2}, data: {collectionNS: coll.getFullName()}})
};

secondary = replSet.restart(secondary, {startClean: true, setParameter: params});
replSet.awaitReplication();
replSet.awaitSecondaryNodes();

assert.eq(1, secondary.getDB("test")[name].count());
assert.docEq({_id: 0, x: 1}, secondary.getDB("test")[name].findOne());

jsTest.log("Stopping repl set test; finished.");
replSet.stopSet();
})();