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252 lines
9.6 KiB
JavaScript
252 lines
9.6 KiB
JavaScript
(function() {
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'use strict';
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load('jstests/noPassthrough/libs/index_build.js');
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const debug = 0;
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let rst = new ReplSetTest({name: "applyOpsIdempotency", nodes: 1});
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rst.startSet();
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rst.initiate();
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/**
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* Returns true if this database contains any drop-pending collections.
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*/
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function containsDropPendingCollection(mydb) {
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const res =
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assert.commandWorked(mydb.runCommand("listCollections", {includePendingDrops: true}));
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const collectionInfos = res.cursor.firstBatch;
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const collectionNames = collectionInfos.map(c => c.name);
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return Boolean(collectionNames.find(c => c.indexOf('system.drop.') == 0));
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}
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/**
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* Apply ops on mydb, asserting success.
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*/
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function assertApplyOpsWorks(testdbs, ops) {
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// Remaining operations in ops must still be applied
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while (ops.length) {
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let cmd = {applyOps: ops};
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let res = testdbs[0].adminCommand(cmd);
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if (debug) {
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printjson({applyOps: ops, res});
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}
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// Wait for any drop-pending collections to be removed by the reaper before proceeding.
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assert.soon(function() {
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return !testdbs.find(mydb => containsDropPendingCollection(mydb));
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});
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// If the entire operation succeeded, we're done.
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if (res.ok == 1)
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return res;
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// Skip any operations that succeeded.
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while (res.applied-- && res.results.shift())
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ops.shift();
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// These errors are expected when replaying operations and should be ignored.
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if (res.code == ErrorCodes.NamespaceNotFound || res.code == ErrorCodes.DuplicateKey) {
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ops.shift();
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continue;
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}
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// Generate the appropriate error message.
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assert.commandWorked(res, tojson(cmd));
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}
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}
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/**
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* Run the dbHash command on mydb, assert it worked and return the md5.
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*/
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function dbHash(mydb) {
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let cmd = {dbHash: 1};
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let res = mydb.runCommand(cmd);
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assert.commandWorked(res, tojson(cmd));
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return res.md5;
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}
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/**
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* Gather collection info and dbHash results of each of the passed databases.
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*/
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function dbInfo(dbs) {
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return dbs.map((db) => {
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return {name: db.getName(), info: db.getCollectionInfos(), md5: dbHash(db)};
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});
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}
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var getCollections = (mydb, prefixes) => prefixes.map((prefix) => mydb[prefix]);
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/**
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* Test functions to run and test using replay of oplog.
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*/
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var tests = {
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crud: (mydb) => {
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let [x, y, z] = getCollections(mydb, ['x', 'y', 'z']);
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assert.commandWorked(x.insert({_id: 1}));
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assert.commandWorked(x.update({_id: 1}, {$set: {x: 1}}));
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assert.commandWorked(x.remove({_id: 1}));
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assert.commandWorked(y.update({_id: 1}, {y: 1}));
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assert.commandWorked(y.insert({_id: 2, y: false, z: false}));
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assert.commandWorked(y.update({_id: 2}, {y: 2}));
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assert.commandWorked(z.insert({_id: 1, z: 1}));
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assert.commandWorked(z.remove({_id: 1}));
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assert.commandWorked(z.insert({_id: 1}));
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assert.commandWorked(z.insert({_id: 2, z: 2}));
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},
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arrayAndSubdocumentFields: (mydb) => {
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let [x, y] = getCollections(mydb, ['x', 'y']);
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// Array field.
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assert.commandWorked(x.insert({_id: 1, x: 1, y: [0]}));
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assert.commandWorked(x.update({_id: 1}, {$set: {x: 2, 'y.0': 2}}));
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assert.commandWorked(x.update({_id: 1}, {$set: {y: 3}}));
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// Subdocument field.
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assert.commandWorked(y.insert({_id: 1, x: 1, y: {field: 0}}));
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assert.commandWorked(y.update({_id: 1}, {$set: {x: 2, 'y.field': 2}}));
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assert.commandWorked(y.update({_id: 1}, {$set: {y: 3}}));
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},
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renameCollectionWithinDatabase: (mydb) => {
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let [x, y, z] = getCollections(mydb, ['x', 'y', 'z']);
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assert.commandWorked(x.insert({_id: 1, x: 1}));
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assert.commandWorked(y.insert({_id: 1, y: 1}));
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assert.commandWorked(x.renameCollection(z.getName()));
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assert.commandWorked(z.insert({_id: 2, x: 2}));
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assert.commandWorked(x.insert({_id: 2, x: false}));
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assert.commandWorked(y.insert({y: 2}));
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assert.commandWorked(y.renameCollection(x.getName(), true));
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assert.commandWorked(z.renameCollection(y.getName()));
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},
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renameCollectionWithinDatabaseDroppingTargetByUUID: (mydb) => {
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assert.commandWorked(mydb.createCollection("x"));
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assert.commandWorked(mydb.createCollection("y"));
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assert.commandWorked(mydb.createCollection("z"));
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assert.commandWorked(mydb.x.renameCollection('xx'));
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// When replayed on a up-to-date db, this oplog entry may drop
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// collection z rather than collection x if the dropTarget is not
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// specified by UUID. (See SERVER-33087)
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assert.commandWorked(mydb.y.renameCollection('xx', true));
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assert.commandWorked(mydb.xx.renameCollection('yy'));
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assert.commandWorked(mydb.z.renameCollection('xx'));
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},
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renameCollectionWithinDatabaseDropTargetEvenWhenSourceIsEmpty: (mydb) => {
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assert.commandWorked(mydb.createCollection("x"));
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assert.commandWorked(mydb.createCollection("y"));
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assert.commandWorked(mydb.x.renameCollection('y', true));
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assert(mydb.y.drop());
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},
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renameCollectionAcrossDatabases: (mydb) => {
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let otherdb = mydb.getSiblingDB(mydb + '_');
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let [x, y] = getCollections(mydb, ['x', 'y']);
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let [z] = getCollections(otherdb, ['z']);
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assert.commandWorked(x.insert({_id: 1, x: 1}));
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assert.commandWorked(y.insert({_id: 1, y: 1}));
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assert.commandWorked(
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mydb.adminCommand({renameCollection: x.getFullName(), to: z.getFullName()}));
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assert.commandWorked(z.insert({_id: 2, x: 2}));
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assert.commandWorked(x.insert({_id: 2, x: false}));
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assert.commandWorked(y.insert({y: 2}));
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assert.commandWorked(mydb.adminCommand(
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{renameCollection: y.getFullName(), to: x.getFullName(), dropTarget: true}));
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assert.commandWorked(
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mydb.adminCommand({renameCollection: z.getFullName(), to: y.getFullName()}));
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return [mydb, otherdb];
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},
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renameCollectionAcrossDatabasesWithDropAndConvertToCapped: (db1) => {
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let db2 = db1.getSiblingDB(db1 + '_');
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assert.commandWorked(db1.createCollection("a"));
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assert.commandWorked(db1.createCollection("b"));
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assert.commandWorked(db2.createCollection("c"));
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assert.commandWorked(db2.createCollection("d"));
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let [a, b] = getCollections(db1, ['a', 'b']);
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let [c, d] = getCollections(db2, ['c', 'd']);
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assert.commandWorked(db1.adminCommand(
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{renameCollection: a.getFullName(), to: c.getFullName(), dropTarget: true}));
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assert(d.drop());
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assert.commandWorked(db1.adminCommand(
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{renameCollection: c.getFullName(), to: d.getFullName(), dropTarget: false}));
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assert.commandWorked(db1.adminCommand(
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{renameCollection: b.getFullName(), to: c.getFullName(), dropTarget: false}));
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assert.commandWorked(db2.runCommand({convertToCapped: "d", size: 1000}));
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return [db1, db2];
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},
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createIndex: (mydb) => {
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let [x, y] = getCollections(mydb, ['x', 'y']);
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assert.commandWorked(x.createIndex({x: 1}));
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assert.commandWorked(x.insert({_id: 1, x: 1}));
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assert.commandWorked(y.insert({_id: 1, y: 1}));
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assert.commandWorked(y.createIndex({y: 1}));
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assert.commandWorked(y.insert({_id: 2, y: 2}));
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},
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};
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/**
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* Create a new uniquely named database, execute testFun and compute the dbHash. Then replay
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* all different suffixes of the oplog and check for the correct hash. If testFun creates
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* additional databases, it should return an array with all databases to check.
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*/
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function testIdempotency(primary, testFun, testName) {
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// It is not possible to test createIndexes in applyOps with two-phase-index-builds support
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// because that command is not accepted by applyOps in that mode.
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if ('createIndex' === testName && IndexBuildTest.supportsTwoPhaseIndexBuild(primary)) {
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return;
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}
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jsTestLog(`Execute ${testName}`);
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// Create a new database name, so it's easier to filter out our oplog records later.
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let dbname = (new Date()).toISOString().match(/[-0-9T]/g).join(''); // 2017-05-30T155055713
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let mydb = primary.getDB(dbname);
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// Allow testFun to return the array of databases to check (default is mydb).
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let testdbs = testFun(mydb) || [mydb];
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let expectedInfo = dbInfo(testdbs);
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let oplog = mydb.getSiblingDB('local').oplog.rs;
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let ops = oplog
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.find({
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op: {$ne: 'n'},
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ns: new RegExp('^' + mydb.getName()),
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'o.startIndexBuild': {$exists: false},
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'o.abortIndexBuild': {$exists: false},
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'o.commitIndexBuild': {$exists: false},
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},
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{ts: 0, t: 0, h: 0, v: 0})
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.toArray();
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assert.gt(ops.length, 0, 'Could not find any matching ops in the oplog');
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testdbs.forEach((db) => assert.commandWorked(db.dropDatabase()));
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if (debug) {
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print(testName + ': replaying suffixes of ' + ops.length + ' operations');
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printjson(ops);
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}
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for (let j = 0; j < ops.length; j++) {
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let replayOps = ops.slice(j);
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assertApplyOpsWorks(testdbs, replayOps);
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let actualInfo = dbInfo(testdbs);
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assert.eq(actualInfo,
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expectedInfo,
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'unexpected differences between databases after replaying final ' +
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replayOps.length + ' ops in test ' + testName + ": " + tojson(replayOps));
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}
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}
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for (let f in tests)
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testIdempotency(rst.getPrimary(), tests[f], f);
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rst.stopSet();
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})();
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