mongo/jstests/aggregation/expressions/ts_second_increment.js

import "jstests/libs/query/sbe_assert_error_override.js";

let testDB = db.getSiblingDB("expression_ts_second_increment");

assert.commandWorked(testDB.dropDatabase());

const collName = jsTestName();
let coll = testDB.getCollection(collName);

assert.commandWorked(coll.insert({_id: 0, bsonTime: Timestamp(1622731060, 10), invalidBsonTime: 1622731060}));

(function testtsSecond() {
    // Projects the seconds component of the bson timestamp using the 'tsSecond' on the 'bsonTime'
    // field and verifies that the value is correct.
    let result = coll.aggregate([{$project: {bsonTime: 1, bsonTimeSeconds: {$tsSecond: "$bsonTime"}}}]).toArray();
    assert.eq(result.length, 1);
    assert.eq(result[0].bsonTimeSeconds, result[0].bsonTime.getTime(), result);

    // Passes a non existing field path to the '$tsSecond' and verifies a null timestamp is
    // returned.
    result = coll.aggregate([{$project: {bsonTime: 1, bsonTimeSeconds: {$tsSecond: "$nonExistingField"}}}]).toArray();
    assert.eq(result.length, 1);
    assert.eq(result[0].bsonTimeSeconds, null, result);

    // Projects the seconds component of bson timestamp using the 'tsSecond' on the
    // 'invalidBsonTime' field and verifies that an expected error code is thrown.
    const nonTimestampError = assert.throws(() =>
        coll.aggregate([{$project: {bsonTime: 1, bsonTimeSeconds: {$tsSecond: "$invalidBsonTime"}}}]).toArray(),
    );
    assert.commandFailedWithCode(nonTimestampError, 5687301);
})();

(function testtsIncrement() {
    // Projects the increment component of bson timestamp using the 'tsSecond' on the 'bsonTime'
    // field and verifies that the value is correct.
    let result = coll.aggregate([{$project: {bsonTime: 1, bsonTimeIncrements: {$tsIncrement: "$bsonTime"}}}]).toArray();
    assert.eq(result.length, 1);
    assert.eq(result[0].bsonTimeIncrements, result[0].bsonTime.getInc(), result);

    // Passes a non existing field path to the '$tsIncrement' and verifies a null timestamp is
    // returned.
    result = coll
        .aggregate([{$project: {bsonTime: 1, bsonTimeSeconds: {$tsIncrement: "$nonExistingField"}}}])
        .toArray();
    assert.eq(result.length, 1);
    assert.eq(result[0].bsonTimeSeconds, null, result);

    // Projects the increment component of bson timestamp using the 'tsIncrement' on the
    // 'invalidBsonTime' field and verifies that an expected error code is thrown.
    const nonTimestampError = assert.throws(() =>
        coll
            .aggregate([
                {
                    $project: {bsonTime: 1, bsonTimeIncrements: {$tsIncrement: "$invalidBsonTime"}},
                },
            ])
            .toArray(),
    );
    assert.commandFailedWithCode(nonTimestampError, 5687302);
})();