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// @tags: [
// does_not_support_stepdowns,
// requires_fastcount,
// requires_fcv_47,
// requires_non_retryable_commands,
// sbe_incompatible,
// uses_$out,
// uses_map_reduce_with_temp_collections,
// ]
/**
* Tests that various database commands respect the 'bypassDocumentValidation' flag:
*
* - aggregation with $out
* - applyOps (when not sharded)
* - findAndModify
* - insert
* - mapReduce
* - update
*/
(function() {
'use strict';
// For isWiredTiger.
load("jstests/concurrency/fsm_workload_helpers/server_types.js");
// For isReplSet
load("jstests/libs/fixture_helpers.js");
// For assertDocumentValidationFailure
load("jstests/libs/doc_validation_utils.js");
const dbName = 'bypass_document_validation';
const collName = 'bypass_document_validation';
const myDb = db.getSiblingDB(dbName);
const coll = myDb[collName];
/**
* Tests that we can bypass document validation when appropriate when a collection has validator
* 'validator', which should enforce the existence of a field "a".
*/
function runBypassDocumentValidationTest(validator) {
// Use majority write concern to clear the drop-pending that can cause lock conflicts with
// transactions.
coll.drop({writeConcern: {w: "majority"}});
// Insert documents into the collection that would not be valid before setting 'validator'.
assert.commandWorked(coll.insert({_id: 1}));
assert.commandWorked(coll.insert({_id: 2}));
assert.commandWorked(myDb.runCommand({collMod: collName, validator: validator}));
const isMongos = db.runCommand({isdbgrid: 1}).isdbgrid;
// Test applyOps with a simple insert if not on mongos.
if (!isMongos) {
const op = [{op: 'i', ns: coll.getFullName(), o: {_id: 9}}];
assertDocumentValidationFailure(
myDb.runCommand({applyOps: op, bypassDocumentValidation: false}), coll);
assert.eq(0, coll.count({_id: 9}));
assert.commandWorked(myDb.runCommand({applyOps: op, bypassDocumentValidation: true}));
assert.eq(1, coll.count({_id: 9}));
}
// Test the aggregation command with a $out stage.
const outputCollName = 'bypass_output_coll';
const outputColl = myDb[outputCollName];
outputColl.drop();
assert.commandWorked(myDb.createCollection(outputCollName, {validator: validator}));
const pipeline =
[{$match: {_id: 1}}, {$project: {aggregation: {$add: [1]}}}, {$out: outputCollName}];
const cmd =
{aggregate: collName, cursor: {}, pipeline: pipeline, bypassDocumentValidation: false};
assertDocumentValidationFailure(myDb.runCommand(cmd), coll);
assert.eq(0, outputColl.count({aggregation: 1}));
coll.aggregate(pipeline, {bypassDocumentValidation: true});
assert.eq(1, outputColl.count({aggregation: 1}));
// Test the findAndModify command.
assert.throws(function() {
coll.findAndModify({update: {$set: {findAndModify: 1}}, bypassDocumentValidation: false});
});
assert.eq(0, coll.count({findAndModify: 1}));
coll.findAndModify({update: {$set: {findAndModify: 1}}, bypassDocumentValidation: true});
assert.eq(1, coll.count({findAndModify: 1}));
// Test the mapReduce command.
const map = function() {
emit(1, 1);
};
const reduce = function() {
return 'mapReduce';
};
let res = myDb.runCommand({
mapReduce: collName,
map: map,
reduce: reduce,
out: {replace: outputCollName},
bypassDocumentValidation: false
});
assertDocumentValidationFailure(res, coll);
assert.eq(0, outputColl.count({value: 'mapReduce'}));
res = myDb.runCommand({
mapReduce: collName,
map: map,
reduce: reduce,
out: {replace: outputCollName},
bypassDocumentValidation: true
});
assert.commandWorked(res);
assert.eq(1, outputColl.count({value: 'mapReduce'}));
// Test the mapReduce command if it is reading from a different database and collection without
// validation.
const otherDb = myDb.getSiblingDB("mr_second_input_db");
const otherDbColl = otherDb.mr_second_input_coll;
assert.commandWorked(otherDbColl.insert({val: 1}));
outputColl.drop();
assert.commandWorked(myDb.createCollection(outputCollName, {validator: validator}));
res = otherDb.runCommand({
mapReduce: otherDbColl.getName(),
map: map,
reduce: reduce,
out: {replace: outputCollName, db: myDb.getName()},
bypassDocumentValidation: false
});
assertDocumentValidationFailure(res, coll);
assert.eq(0, outputColl.count({value: 'mapReduce'}));
res = otherDb.runCommand({
mapReduce: otherDbColl.getName(),
map: map,
reduce: reduce,
out: {replace: outputCollName, db: myDb.getName()},
bypassDocumentValidation: true
});
assert.commandWorked(res);
assert.eq(1, outputColl.count({value: 'mapReduce'}));
// Test the insert command. Includes a test for a document with no _id (SERVER-20859).
res = myDb.runCommand({insert: collName, documents: [{}], bypassDocumentValidation: false});
assertDocumentValidationFailure(BulkWriteResult(res), coll);
res = myDb.runCommand(
{insert: collName, documents: [{}, {_id: 6}], bypassDocumentValidation: false});
assertDocumentValidationFailure(BulkWriteResult(res), coll);
res = myDb.runCommand(
{insert: collName, documents: [{}, {_id: 6}], bypassDocumentValidation: true});
assert.commandWorked(res);
// Test the update command.
res = myDb.runCommand({
update: collName,
updates: [{q: {}, u: {$set: {update: 1}}}],
bypassDocumentValidation: false
});
assertDocumentValidationFailure(BulkWriteResult(res), coll);
assert.eq(0, coll.count({update: 1}));
res = myDb.runCommand({
update: collName,
updates: [{q: {}, u: {$set: {update: 1}}}],
bypassDocumentValidation: true
});
assert.commandWorked(res);
assert.eq(1, coll.count({update: 1}));
// Pipeline-style update is only supported for commands and not for OP_UPDATE which cannot
// differentiate between an update object and an array.
res = myDb.runCommand({
update: collName,
updates: [{q: {}, u: [{$set: {pipeline: 1}}]}],
bypassDocumentValidation: false
});
assertDocumentValidationFailure(BulkWriteResult(res), coll);
assert.eq(0, coll.count({pipeline: 1}));
assert.commandWorked(myDb.runCommand({
update: collName,
updates: [{q: {}, u: [{$set: {pipeline: 1}}]}],
bypassDocumentValidation: true
}));
assert.eq(1, coll.count({pipeline: 1}));
assert.commandFailed(myDb.runCommand({
findAndModify: collName,
update: [{$set: {findAndModifyPipeline: 1}}],
bypassDocumentValidation: false
}));
assert.eq(0, coll.count({findAndModifyPipeline: 1}));
assert.commandWorked(myDb.runCommand({
findAndModify: collName,
update: [{$set: {findAndModifyPipeline: 1}}],
bypassDocumentValidation: true
}));
assert.eq(1, coll.count({findAndModifyPipeline: 1}));
}
// Run the test using a normal validator.
runBypassDocumentValidationTest({a: {$exists: true}});
// Run the test again with an equivalent JSON Schema validator.
runBypassDocumentValidationTest({$jsonSchema: {required: ['a']}});
})();
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