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/**
* Confirms inclusion of query, command object and planSummary in currentOp() for CRUD operations.
* This test should not be run in the parallel suite as it sets fail points.
*/
(function() {
"use strict";
var conn = MongoRunner.runMongod({smallfiles: "", nojournal: ""});
assert.neq(null, conn, "mongod was unable to start up");
var testDB = conn.getDB("test");
assert.commandWorked(testDB.dropDatabase());
var coll = testDB.currentop_query;
// Force yield to occur on every PlanExecutor iteration.
assert.commandWorked(
testDB.adminCommand({setParameter: 1, internalQueryExecYieldIterations: 1}));
/**
* Captures currentOp() for a given test command/operation and confirms that namespace,
* operation type and planSummary are correct.
*
* @param {Object} testObj - Contains test arguments.
* @param {function} testObj.test - A function that runs the desired test op/cmd.
* @param {string} testObj.planSummary - A string containing the expected planSummary.
* @param {Object} testObj.currentOpFilter - A filter to be used to narrow currentOp() output
* to only the relevant operation or command.
* @param {string} [testObj.command] - The command to test against. Will look for this to be
* a key in the currentOp().query object.
* @param {string} [testObj.operation] - The operation to test against. Will look for this
* to be the value of the currentOp().op field.
*/
function confirmCurrentOpContents(testObj) {
// Force queries to hang on yield to allow for currentOp capture.
assert.commandWorked(
testDB.adminCommand({configureFailPoint: "setYieldAllLocksHang", mode: "alwaysOn"}));
// Run query.
var awaitShell = startParallelShell(testObj.test, conn.port);
// Capture currentOp record for the query and confirm that the 'query' and 'planSummary'
// fields contain the content expected. We are indirectly testing the 'ns' field as well
// with the currentOp query argument.
assert.soon(
function() {
testObj.currentOpFilter.ns = coll.getFullName();
testObj.currentOpFilter.planSummary = testObj.planSummary;
if (testObj.hasOwnProperty("command")) {
testObj.currentOpFilter["query." + testObj.command] = {$exists: true};
} else if (testObj.hasOwnProperty("operation")) {
testObj.currentOpFilter.op = testObj.operation;
}
var result = testDB.currentOp(testObj.currentOpFilter);
assert.commandWorked(result);
if (result.inprog.length === 1) {
return true;
}
return false;
},
function() {
return "Failed to find operation from " + tojson(testObj) +
" in currentOp() output: " + tojson(testDB.currentOp());
});
// Allow the query to complete.
assert.commandWorked(
testDB.adminCommand({configureFailPoint: "setYieldAllLocksHang", mode: "off"}));
awaitShell();
}
//
// Confirm currentOp content for commands defined in 'testList'.
//
var testList = [
{
test: function() {
assert.eq(
db.currentop_query.aggregate([{$match: {a: 1, $comment: "currentop_query"}}])
.itcount(),
1);
},
command: "aggregate",
planSummary: "COLLSCAN",
currentOpFilter: {"query.pipeline.0.$match.$comment": "currentop_query"}
},
{
test: function() {
assert.eq(db.currentop_query.find({a: 1, $comment: "currentop_query"}).count(), 1);
},
command: "count",
planSummary: "COLLSCAN",
currentOpFilter: {"query.query.$comment": "currentop_query"}
},
{
test: function() {
assert.eq(db.currentop_query.distinct("a", {a: 1, $comment: "currentop_query"}), [1]);
},
command: "distinct",
planSummary: "COLLSCAN",
currentOpFilter: {"query.query.$comment": "currentop_query"}
},
{
test: function() {
assert.eq(db.currentop_query.find({a: 1}).comment("currentop_query").itcount(), 1);
},
command: "find",
planSummary: "COLLSCAN",
currentOpFilter: {"query.comment": "currentop_query"}
},
{
test: function() {
assert.eq(db.currentop_query.findAndModify(
{query: {a: 1, $comment: "currentop_query"}, update: {$inc: {b: 1}}}),
{"_id": 1, "a": 1});
},
command: "findandmodify",
planSummary: "COLLSCAN",
currentOpFilter: {"query.query.$comment": "currentop_query"}
},
{
test: function() {
assert.eq(db.currentop_query.group({
key: {a: 1},
cond: {a: 1, $comment: "currentop_query"},
reduce: function() {},
initial: {}
}),
[{"a": 1}]);
},
command: "group",
planSummary: "COLLSCAN",
currentOpFilter: {"query.group.cond.$comment": "currentop_query"}
},
{
test: function() {
assert.commandWorked(db.currentop_query.mapReduce(
function() {
emit(this.a, this.b);
},
function(a, b) {
return Array.sum(b);
},
{query: {a: 1, $comment: "currentop_query"}, out: {inline: 1}}));
},
command: "mapreduce",
planSummary: "COLLSCAN",
currentOpFilter: {"query.query.$comment": "currentop_query"}
},
{
test: function() {
assert.writeOK(db.currentop_query.remove({a: 2, $comment: "currentop_query"}));
},
operation: "remove",
planSummary: "COLLSCAN",
currentOpFilter: {"query.$comment": "currentop_query"}
},
{
test: function() {
assert.writeOK(
db.currentop_query.update({a: 1, $comment: "currentop_query"}, {$inc: {b: 1}}));
},
operation: "update",
planSummary: "COLLSCAN",
currentOpFilter: {"query.$comment": "currentop_query"}
}
];
coll.drop();
var i;
for (i = 0; i < 5; ++i) {
assert.writeOK(coll.insert({_id: i, a: i}));
}
testList.forEach(confirmCurrentOpContents);
//
// Confirm currentOp content for geoNear.
//
coll.drop();
for (i = 0; i < 10; ++i) {
assert.writeOK(coll.insert({a: i, loc: {type: "Point", coordinates: [i, i]}}));
}
assert.commandWorked(coll.createIndex({loc: "2dsphere"}));
confirmCurrentOpContents({
test: function() {
assert.commandWorked(db.runCommand({
geoNear: "currentop_query",
near: {type: "Point", coordinates: [1, 1]},
spherical: true,
query: {$comment: "currentop_query"}
}));
},
command: "geoNear",
planSummary: "GEO_NEAR_2DSPHERE { loc: \"2dsphere\" }",
currentOpFilter: {"query.query.$comment": "currentop_query"}
});
//
// Confirm currentOp content for getMore.
//
coll.drop();
for (i = 0; i < 10; ++i) {
assert.writeOK(coll.insert({a: i}));
}
var cmdRes = testDB.runCommand(
{find: "currentop_query", filter: {$comment: "currentop_query"}, batchSize: 2});
assert.commandWorked(cmdRes);
// Adding cursorId to TestData to make available within the context of a parallel shell.
TestData.cursorId = cmdRes.cursor.id;
confirmCurrentOpContents({
test: function() {
assert.commandWorked(
db.runCommand({getMore: TestData.cursorId, collection: "currentop_query"}));
},
planSummary: "COLLSCAN",
currentOpFilter: {"query.getMore": TestData.cursorId}
});
delete TestData.cursorId;
//
// Confirm 512 byte size limit for currentOp query field.
//
coll.drop();
assert.writeOK(coll.insert({a: 1}));
// When the currentOp command serializes the query object as a string, individual string values
// inside it are truncated at 150 characters. To test "total length" truncation we need to pass
// multiple values, each smaller than 150 bytes.
TestData.queryFilter = {
"1": "1".repeat(100),
"2": "2".repeat(100),
"3": "3".repeat(100),
"4": "4".repeat(100),
"5": "5".repeat(100),
"6": "6".repeat(100),
};
var truncatedQueryString = "{ find: \"currentop_query\", filter: { " +
"1: \"1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111\", " +
"2: \"2222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222\", " +
"3: \"3333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333\", " +
"4: \"4444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444\", " +
"5: \"5555555555555555555555555555555555555555...";
confirmCurrentOpContents({
test: function() {
assert.commandWorked(
db.runCommand({find: "currentop_query", filter: TestData.queryFilter}));
},
planSummary: "COLLSCAN",
currentOpFilter: {"query": truncatedQueryString}
});
delete TestData.queryFilter;
})();
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