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// Tests that an error encountered during PlanExecutor execution will be propagated back to the user
// with the original error code. This is important for retryable errors like
// 'InterruptedDueToReplStateChange',
// and also to ensure that the error is not swallowed and the diagnostic info is not lost.
(function() {
"use strict";
const kPlanExecAlwaysFailsCode = 4382101;
const mongod = MongoRunner.runMongod({});
assert.neq(mongod, null, "mongod failed to start up");
const db = mongod.getDB("test");
const coll = db.commands_preserve_exec_error_code;
coll.drop();
assert.commandWorked(coll.insert([{_id: 0}, {_id: 1}, {_id: 2}]));
assert.commandWorked(coll.createIndex({geo: "2d"}));
assert.commandWorked(
db.adminCommand({configureFailPoint: "planExecutorAlwaysFails", mode: "alwaysOn"}));
function assertFailsWithExpectedError(fn) {
const error = assert.throws(fn);
assert.eq(error.code, kPlanExecAlwaysFailsCode, tojson(error));
assert.neq(-1,
error.message.indexOf("planExecutorAlwaysFails"),
"Expected error message to be preserved");
}
function assertCmdFailsWithExpectedError(cmd) {
const res =
assert.commandFailedWithCode(db.runCommand(cmd), kPlanExecAlwaysFailsCode, tojson(cmd));
assert.neq(-1,
res.errmsg.indexOf("planExecutorAlwaysFails"),
"Expected error message to be preserved");
}
assertFailsWithExpectedError(() => coll.find().itcount());
assertFailsWithExpectedError(() => coll.updateOne({_id: 1}, {$set: {x: 2}}));
assertFailsWithExpectedError(() => coll.deleteOne({_id: 1}));
assertFailsWithExpectedError(() => coll.count({_id: 1}));
assertFailsWithExpectedError(() => coll.aggregate([]).itcount());
assertFailsWithExpectedError(
() => coll.aggregate([{$geoNear: {near: [0, 0], distanceField: "d"}}]).itcount());
assertCmdFailsWithExpectedError({distinct: coll.getName(), key: "_id"});
assertCmdFailsWithExpectedError(
{findAndModify: coll.getName(), query: {_id: 1}, update: {$set: {x: 2}}});
const cmdRes = db.runCommand({find: coll.getName(), batchSize: 0});
assert.commandWorked(cmdRes);
assertCmdFailsWithExpectedError(
{getMore: cmdRes.cursor.id, collection: coll.getName(), batchSize: 1});
assert.commandWorked(db.adminCommand({configureFailPoint: "planExecutorAlwaysFails", mode: "off"}));
MongoRunner.stopMongod(mongod);
}());
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