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mongo/jstests/multiVersion/genericSetFCVUsage/view_definition_feature_compatibility_version.js
Felipe Farinon 61ac8b0aec SERVER-115004 Add remaining FCV tests for the new syntax on map/reduce/filter (#45419)
Co-authored-by: Gil Alon <gil.alon@mongodb.com>
GitOrigin-RevId: f395bea66bd346c6ecaaae05641e2753790eb4f2
2025-12-19 11:32:55 +00:00

345 lines
14 KiB
JavaScript

/**
* Test that mongod will not allow creation of a view using new aggregation features when the
* feature compatibility version is older than the latest version.
*
* We restart mongod during the test and expect it to have the same data after restarting.
* @tags: [requires_persistence]
*/
const testName = "view_definition_feature_compatibility_version_multiversion";
const dbpath = MongoRunner.dataPath + testName;
// An array of feature flags that must be enabled to run feature flag tests.
const featureFlagsToEnable = ["featureFlagExposeArrayIndexInMapFilterReduce"];
// These arrays should be populated with aggregation pipelines that use
// aggregation features in new versions of mongod. This test ensures that a view
// definition accepts the new aggregation feature when the feature compatibility version is the
// latest version, and rejects it when the feature compatibility version is the last
// version.
const testCasesLastContinuous = [];
const testCasesLastContinuousWithFeatureFlags = [
// TODO(SERVER-115778): Move arrayIndexAs/as/valueAs queries to 'testCasesLastStable' when 8.3 becomes last continuous.
// TODO(SERVER-90514): Remove arrayIndexAs/as/valueAs queries when feature flag is removed.
[
{
$match: {
$expr: {
$eq: [
{
$map: {
input: "$a",
arrayIndexAs: "i",
in: "$$i",
},
},
[0, 1, 2],
],
},
},
},
],
[
{
$match: {
$expr: {
$eq: [
{
$reduce: {
input: "$a",
arrayIndexAs: "i",
initialValue: 0,
in: {$add: ["$$value", "$$i"]},
},
},
0,
],
},
},
},
],
[
{
$match: {
$expr: {
$eq: [
{
$reduce: {
input: "$a",
initialValue: 0,
in: {$add: ["$$value", "$$IDX"]},
},
},
0,
],
},
},
},
],
[
{
$match: {
$expr: {
$eq: [
{
$reduce: {
input: "$a",
as: "elem",
valueAs: "acc",
initialValue: 0,
in: {$add: ["$$acc", "$$elem"]},
},
},
0,
],
},
},
},
],
[
{
$match: {
$expr: {
$eq: [
{
$filter: {
input: "$a",
arrayIndexAs: "i",
cond: {$eq: ["$$i", 1]},
},
},
[1, 2, 3],
],
},
},
},
],
];
// Anything that's incompatible with the last continuous release is incompatible with the last
// stable release.
const testCasesLastStable = testCasesLastContinuous.concat([]);
const testCasesLastStableWithFeatureFlags = testCasesLastContinuousWithFeatureFlags.concat([]);
// Tests Feature Compatibility Version behavior of view creation while using aggregation pipelines
// 'testCases' and using a previous stable version 'lastVersion' of mongod.
// 'lastVersion' can have values "last-lts" and "last-continuous".
function testViewDefinitionFCVBehavior(lastVersion, testCases, featureFlags = []) {
if (testCases.length === 0) {
jsTest.log.info("Skipping setup for tests against " + lastVersion + " since there are none");
return;
}
let conn = MongoRunner.runMongod({dbpath: dbpath, binVersion: "latest"});
assert.neq(null, conn, "mongod was unable to start up");
let testDB = conn.getDB(testName);
for (let i = 0; i < featureFlags.length; i++) {
const command = {"getParameter": 1};
command[featureFlags[i]] = 1;
const featureEnabled = assert.commandWorked(testDB.adminCommand(command))[featureFlags[i]].value;
if (!featureEnabled) {
jsTest.log.info("Skipping test because the " + featureFlags[i] + " feature flag is disabled");
MongoRunner.stopMongod(conn);
return;
}
}
// Explicitly set feature compatibility version to the latest version.
assert.commandWorked(testDB.adminCommand({setFeatureCompatibilityVersion: latestFCV, confirm: true}));
// Test that we are able to create a new view with any of the new features.
testCases.forEach((pipe, i) =>
assert.commandWorked(
testDB.createView("firstView" + i, "coll", pipe),
`Expected to be able to create view with pipeline ${tojson(pipe)} while in FCV` + ` ${latestFCV}`,
),
);
// Test that we are able to update an existing view with any of the new features.
testCases.forEach(function (pipe, i) {
assert(testDB["firstView" + i].drop(), `Drop of view with pipeline ${tojson(pipe)} failed`);
assert.commandWorked(testDB.createView("firstView" + i, "coll", []));
assert.commandWorked(
testDB.runCommand({collMod: "firstView" + i, viewOn: "coll", pipeline: pipe}),
`Expected to be able to modify view to use pipeline ${tojson(pipe)} while in FCV` + ` ${latestFCV}`,
);
});
// Create an empty view which we will attempt to update to use new query features while the
// feature compatibility version is the last version.
assert.commandWorked(testDB.createView("emptyView", "coll", []));
// Set the feature compatibility version to the last version.
assert.commandWorked(
testDB.adminCommand({setFeatureCompatibilityVersion: binVersionToFCV(lastVersion), confirm: true}),
);
// Read against an existing view using new query features should fail.
testCases.forEach((pipe, i) => {
assert.commandFailed(
testDB.runCommand({find: "firstView" + i}),
`Succeeded to query view with pipeline ${tojson(pipe)}`,
);
});
// TODO SERVER-115604 enable when internalFeatureAsPrimary work is investigated.
// Trying to create a new view in the same database as existing invalid view should fail,
// even if the new view doesn't use any new query features.
/*assert.commandFailedWithCode(
testDB.createView("newViewOldFeatures", "coll", [{$project: {_id: 1}}]),
ErrorCodes.QueryFeatureNotAllowed,
`Expected *not* to be able to create view on database ${testDB} while in FCV ${binVersionToFCV(lastVersion)}`,
);*/
// Trying to create a new view succeeds if it's on a separate database.
const testDB2 = conn.getDB(testName + "2");
assert.commandWorked(testDB2.dropDatabase());
assert.commandWorked(testDB2.createView("newViewOldFeatures", "coll", [{$project: {_id: 1}}]));
// Trying to create a new view using new query features should fail.
// (We use a separate DB to ensure this can only fail because of the view we're trying to
// create, as opposed to an existing view.)
testCases.forEach((pipe, i) =>
assert.commandFailed(
testDB2.createView("view_fail" + i, "coll", pipe),
`Expected *not* to be able to create view with pipeline ${tojson(pipe)} while in FCV` +
` ${binVersionToFCV(lastVersion)}`,
),
);
// Trying to update existing view to use new query features should also fail.
testCases.forEach((pipe, i) =>
assert.commandFailed(
testDB.runCommand({collMod: "emptyView", viewOn: "coll", pipeline: pipe}),
`Expected *not* to be able to modify view to use pipeline ${tojson(pipe)} while in` +
`FCV ${binVersionToFCV(lastVersion)}`,
),
);
MongoRunner.stopMongod(conn);
// Starting up the last version of mongod with new query features will succeed.
conn = MongoRunner.runMongod({dbpath: dbpath, binVersion: lastVersion, noCleanData: true});
assert.neq(
null,
conn,
`version ${MongoRunner.getBinVersionFor(lastVersion)} of mongod was` + " unable to start up",
);
testDB = conn.getDB(testName);
// Reads will fail against views with new query features when running the last version.
// Not checking the code returned on failure as it is not uniform across the various
// 'pipeline' arguments tested.
testCases.forEach((pipe, i) => {
assert.commandFailed(
testDB.runCommand({find: "firstView" + i}),
`Expected read against view with pipeline ${tojson(pipe)} to fail on version` +
` ${MongoRunner.getBinVersionFor(lastVersion)}`,
);
});
// Test that a read against a view that does not contain new query features succeeds.
assert.commandWorked(testDB.runCommand({find: "emptyView"}));
MongoRunner.stopMongod(conn);
// Starting up the latest version of mongod should succeed, even though the feature
// compatibility version is still set to the last version.
conn = MongoRunner.runMongod({dbpath: dbpath, binVersion: "latest", noCleanData: true});
assert.neq(null, conn, "mongod was unable to start up");
testDB = conn.getDB(testName);
// Read against an existing view using new query features should fail on a lower FCV.
testCases.forEach((pipe, i) => {
assert.commandFailed(
testDB.runCommand({find: "firstView" + i}),
`Failed to query view with pipeline ${tojson(pipe)}`,
);
});
// Set the feature compatibility version back to the latest version.
assert.commandWorked(testDB.adminCommand({setFeatureCompatibilityVersion: latestFCV, confirm: true}));
testCases.forEach(function (pipe, i) {
assert.commandWorked(
testDB.runCommand({find: "firstView" + i}),
`Failed to query view with pipeline ${tojson(pipe)}`,
);
// Test that we are able to create a new view with any of the new features.
assert.commandWorked(
testDB.createView("secondView" + i, "coll", pipe),
`Expected to be able to create view with pipeline ${tojson(pipe)} while in FCV` + ` ${latestFCV}`,
);
// Test that we are able to update an existing view to use any of the new features.
assert(testDB["secondView" + i].drop(), `Drop of view with pipeline ${tojson(pipe)} failed`);
assert.commandWorked(testDB.createView("secondView" + i, "coll", []));
assert.commandWorked(
testDB.runCommand({collMod: "secondView" + i, viewOn: "coll", pipeline: pipe}),
`Expected to be able to modify view to use pipeline ${tojson(pipe)} while in FCV` + ` ${latestFCV}`,
);
});
// Set the feature compatibility version to the last version and then restart with
// internalValidateFeaturesAsPrimary=false.
assert.commandWorked(
testDB.adminCommand({setFeatureCompatibilityVersion: binVersionToFCV(lastVersion), confirm: true}),
);
MongoRunner.stopMongod(conn);
// TODO SERVER-115604 investigate usages of internalValidateFeaturesAsPrimary
/*conn = MongoRunner.runMongod({
dbpath: dbpath,
binVersion: "latest",
noCleanData: true,
setParameter: "internalValidateFeaturesAsPrimary=false",
});
assert.neq(null, conn, "mongod was unable to start up");
testDB = conn.getDB(testName);
testCases.forEach(function (pipe, i) {
// Even though the feature compatibility version is the last version, we should still be
// able to create a view using new query features, because
// internalValidateFeaturesAsPrimary is false.
assert.commandWorked(
testDB.createView("thirdView" + i, "coll", pipe),
`Expected to be able to create view with pipeline ${tojson(pipe)} while in FCV` +
` ${binVersionToFCV(lastVersion)} with internalValidateFeaturesAsPrimary=false`,
);
// We should also be able to modify a view to use new query features.
assert(testDB["thirdView" + i].drop(), `Drop of view with pipeline ${tojson(pipe)} failed`);
assert.commandWorked(testDB.createView("thirdView" + i, "coll", []));
assert.commandWorked(
testDB.runCommand({collMod: "thirdView" + i, viewOn: "coll", pipeline: pipe}),
`Expected to be able to modify view to use pipeline ${tojson(pipe)} while in FCV` +
` ${binVersionToFCV(lastVersion)} with internalValidateFeaturesAsPrimary=false`,
);
});
MongoRunner.stopMongod(conn);*/
// Starting up the last version of mongod with new query features should succeed.
conn = MongoRunner.runMongod({dbpath: dbpath, binVersion: lastVersion, noCleanData: true});
assert.neq(
null,
conn,
`version ${MongoRunner.getBinVersionFor(lastVersion)} of mongod was` + " unable to start up",
);
testDB = conn.getDB(testName);
// Existing views with new query features can be dropped.
testCases.forEach((pipe, i) =>
assert(testDB["firstView" + i].drop(), `Drop of view with pipeline ${tojson(pipe)} failed`),
);
assert(testDB.system.views.drop(), "Drop of system.views collection failed");
MongoRunner.stopMongod(conn);
}
testViewDefinitionFCVBehavior("last-lts", testCasesLastStable);
testViewDefinitionFCVBehavior("last-lts", testCasesLastStableWithFeatureFlags, featureFlagsToEnable);
testViewDefinitionFCVBehavior("last-continuous", testCasesLastContinuous);
testViewDefinitionFCVBehavior("last-continuous", testCasesLastContinuousWithFeatureFlags, featureFlagsToEnable);