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// Tests that the "failCommand" failpoint ignores commands from internal clients: SERVER-34943.
// @tags: [requires_replication]
(function() {
"use strict";
// Prevent elections.
const replTest = new ReplSetTest({nodes: [{}, {rsConfig: {votes: 0, priority: 0}}]});
replTest.startSet();
replTest.initiate();
const primary = replTest.getPrimary();
const testDB = primary.getDB("test_failcommand_ignores_internal");
// Enough documents for three getMores.
assert.commandWorked(testDB.collection.insertMany([{}, {}, {}]));
const findReply = assert.commandWorked(testDB.runCommand({find: "collection", batchSize: 0}));
const cursorId = findReply.cursor.id;
// Test failing twice with a particular error code.
assert.commandWorked(testDB.adminCommand({
configureFailPoint: "failCommand",
mode: {times: 2},
data: {errorCode: ErrorCodes.BadValue, failCommands: ["getMore"]}
}));
const getMore = {getMore: cursorId, collection: "collection", batchSize: 1};
assert.commandFailedWithCode(testDB.runCommand(getMore), ErrorCodes.BadValue);
// Waits for secondaries to do getMores on the oplog, which should be ignored by failCommand.
assert.commandWorked(testDB.collection.insertOne({}, {writeConcern: {w: 2}}));
// Second getMore fails but third succeeds, because configureFailPoint was passed {times: 2}.
assert.commandFailedWithCode(testDB.runCommand(getMore), ErrorCodes.BadValue);
assert.commandWorked(testDB.runCommand(getMore));
replTest.stopSet();
}());
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