feat: Remove support for MongoDB 4.0 (#8292)

BREAKING CHANGE: This release removes support for MongoDB 4.0; the new minimum supported MongoDB version is 4.2. which also removes support for the deprecated MongoDB MMAPv1 storage engine

.github/workflows/ci.yml

@@ -121,51 +121,34 @@ jobs:
     strategy:
       matrix:
         include:
-          - name: MongoDB 4.0, Standalone, MMAPv1
+          - name: MongoDB 4.2, ReplicaSet
-            MONGODB_VERSION: 4.0.28
-            MONGODB_TOPOLOGY: standalone
-            MONGODB_STORAGE_ENGINE: mmapv1
-            NODE_VERSION: 18.1.0
-          - name: MongoDB 4.0, ReplicaSet, WiredTiger
-            MONGODB_VERSION: 4.0.28
-            MONGODB_TOPOLOGY: replicaset
-            MONGODB_STORAGE_ENGINE: wiredTiger
-            NODE_VERSION: 18.1.0
-          - name: MongoDB 4.2, ReplicaSet, WiredTiger
             MONGODB_VERSION: 4.2.19
             MONGODB_TOPOLOGY: replicaset
-            MONGODB_STORAGE_ENGINE: wiredTiger
             NODE_VERSION: 18.1.0
-          - name: MongoDB 4.4, ReplicaSet, WiredTiger
+          - name: MongoDB 4.4, ReplicaSet
             MONGODB_VERSION: 4.4.13
             MONGODB_TOPOLOGY: replicaset
-            MONGODB_STORAGE_ENGINE: wiredTiger
             NODE_VERSION: 18.1.0
-          - name: MongoDB 5, ReplicaSet, WiredTiger
+          - name: MongoDB 5, ReplicaSet
             MONGODB_VERSION: 5.3.2
             MONGODB_TOPOLOGY: replicaset
-            MONGODB_STORAGE_ENGINE: wiredTiger
             NODE_VERSION: 18.1.0
-          - name: MongoDB 6, ReplicaSet, WiredTiger
+          - name: MongoDB 6, ReplicaSet
             MONGODB_VERSION: 6.0.2
             MONGODB_TOPOLOGY: replicaset
-            MONGODB_STORAGE_ENGINE: wiredTiger
             NODE_VERSION: 18.1.0
           - name: Redis Cache
             PARSE_SERVER_TEST_CACHE: redis
             MONGODB_VERSION: 4.4.13
             MONGODB_TOPOLOGY: standalone
-            MONGODB_STORAGE_ENGINE: wiredTiger
             NODE_VERSION: 18.1.0
           - name: Node 14
             MONGODB_VERSION: 4.4.13
             MONGODB_TOPOLOGY: standalone
-            MONGODB_STORAGE_ENGINE: wiredTiger
+            NODE_VERSION: 14.19.1
-            NODE_VERSION: 14.21.0
           - name: Node 16
             MONGODB_VERSION: 4.4.13
             MONGODB_TOPOLOGY: standalone
-            MONGODB_STORAGE_ENGINE: wiredTiger
             NODE_VERSION: 16.14.2
       fail-fast: false
     name: ${{ matrix.name }}

package.json

@@ -112,20 +112,19 @@
     "lint-fix": "eslint --fix --cache ./",
     "build": "babel src/ -d lib/ --copy-files",
     "watch": "babel --watch src/ -d lib/ --copy-files",
-    "test:mongodb:runnerstart": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=$npm_config_dbversion} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=wiredTiger} mongodb-runner start",
+    "test:mongodb:runnerstart": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=$npm_config_dbversion} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} mongodb-runner start",
-    "test:mongodb:testonly": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=$npm_config_dbversion} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=wiredTiger} TESTING=1 jasmine",
+    "test:mongodb:testonly": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=$npm_config_dbversion} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} TESTING=1 jasmine",
     "test:mongodb": "npm run test:mongodb:runnerstart --dbversion=$npm_config_dbversion && npm run test:mongodb:testonly --dbversion=$npm_config_dbversion",
-    "test:mongodb:4.0.28": "npm run test:mongodb --dbversion=4.0.28",
     "test:mongodb:4.2.19": "npm run test:mongodb --dbversion=4.2.19",
     "test:mongodb:4.4.13": "npm run test:mongodb --dbversion=4.4.13",
     "test:mongodb:5.3.2": "npm run test:mongodb --dbversion=5.3.2",
     "test:mongodb:6.0.2": "npm run test:mongodb --dbversion=6.0.2",
     "posttest:mongodb": "mongodb-runner stop",
-    "pretest": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=5.3.2} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=wiredTiger} mongodb-runner start",
+    "pretest": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=5.3.2} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} mongodb-runner start",
-    "testonly": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=5.3.2} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=wiredTiger} TESTING=1 jasmine",
+    "testonly": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=5.3.2} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} TESTING=1 jasmine",
     "test": "npm run testonly",
-    "posttest": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=5.3.2} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=wiredTiger} mongodb-runner stop",
+    "posttest": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=5.3.2} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} mongodb-runner stop",
-    "coverage": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=5.3.2} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} MONGODB_STORAGE_ENGINE=${MONGODB_STORAGE_ENGINE:=wiredTiger} TESTING=1 nyc jasmine",
+    "coverage": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=5.3.2} MONGODB_TOPOLOGY=${MONGODB_TOPOLOGY:=standalone} TESTING=1 nyc jasmine",
     "start": "node ./bin/parse-server",
     "prettier": "prettier --write {src,spec}/{**/*,*}.js",
     "prepare": "npm run build",

spec/MongoStorageAdapter.spec.js

@@ -6,7 +6,6 @@ const databaseURI = 'mongodb://localhost:27017/parseServerMongoAdapterTestDataba
 const request = require('../lib/request');
 const Config = require('../lib/Config');
 const TestUtils = require('../lib/TestUtils');
-const semver = require('semver');
 
 const fakeClient = {
   s: { options: { dbName: null } },
@@ -401,11 +400,7 @@ describe_only_db('mongo')('MongoStorageAdapter', () => {
     expect(schemaAfterDeletion.fields.test).toBeUndefined();
   });
 
-  if (
+  if (process.env.MONGODB_TOPOLOGY === 'replicaset') {
-    semver.satisfies(process.env.MONGODB_VERSION, '>=4.0.4') &&
-    process.env.MONGODB_TOPOLOGY === 'replicaset' &&
-    process.env.MONGODB_STORAGE_ENGINE === 'wiredTiger'
-  ) {
     describe('transactions', () => {
       const headers = {
         'Content-Type': 'application/json',

spec/ParseServerRESTController.spec.js

@@ -2,7 +2,6 @@ const ParseServerRESTController = require('../lib/ParseServerRESTController')
   .ParseServerRESTController;
 const ParseServer = require('../lib/ParseServer').default;
 const Parse = require('parse/node').Parse;
-const semver = require('semver');
 const TestUtils = require('../lib/TestUtils');
 
 let RESTController;
@@ -130,19 +129,13 @@ describe('ParseServerRESTController', () => {
   });
 
   if (
-    (semver.satisfies(process.env.MONGODB_VERSION, '>=4.0.4') &&
+    process.env.MONGODB_TOPOLOGY === 'replicaset' ||
-      process.env.MONGODB_TOPOLOGY === 'replicaset' &&
-      process.env.MONGODB_STORAGE_ENGINE === 'wiredTiger') ||
     process.env.PARSE_SERVER_TEST_DB === 'postgres'
   ) {
     describe('transactions', () => {
       beforeEach(async () => {
         await TestUtils.destroyAllDataPermanently(true);
-        if (
+        if (process.env.MONGODB_TOPOLOGY === 'replicaset') {
-          semver.satisfies(process.env.MONGODB_VERSION, '>=4.0.4') &&
-          process.env.MONGODB_TOPOLOGY === 'replicaset' &&
-          process.env.MONGODB_STORAGE_ENGINE === 'wiredTiger'
-        ) {
           await reconfigureServer({
             databaseAdapter: undefined,
             databaseURI:

spec/batch.spec.js

@@ -1,6 +1,5 @@
 const batch = require('../lib/batch');
 const request = require('../lib/request');
-const semver = require('semver');
 const TestUtils = require('../lib/TestUtils');
 
 const originalURL = '/parse/batch';
@@ -206,19 +205,13 @@ describe('batch', () => {
   });
 
   if (
-    (semver.satisfies(process.env.MONGODB_VERSION, '>=4.0.4') &&
+    process.env.MONGODB_TOPOLOGY === 'replicaset' ||
-      process.env.MONGODB_TOPOLOGY === 'replicaset' &&
-      process.env.MONGODB_STORAGE_ENGINE === 'wiredTiger') ||
     process.env.PARSE_SERVER_TEST_DB === 'postgres'
   ) {
     describe('transactions', () => {
       beforeEach(async () => {
         await TestUtils.destroyAllDataPermanently(true);
-        if (
+        if (process.env.MONGODB_TOPOLOGY === 'replicaset') {
-          semver.satisfies(process.env.MONGODB_VERSION, '>=4.0.4') &&
-          process.env.MONGODB_TOPOLOGY === 'replicaset' &&
-          process.env.MONGODB_STORAGE_ENGINE === 'wiredTiger'
-        ) {
           await reconfigureServer({
             databaseAdapter: undefined,
             databaseURI: