chore: enforce consistent block spacing in mocha tests (#4048)

.eslintrc.json

@@ -18,7 +18,6 @@
     "plugin:@typescript-eslint/eslint-recommended",
     "plugin:@typescript-eslint/recommended",
     "plugin:prettier/recommended"
-    // "plugin:mocha/recommended"
   ],
   "env": {
     "node": true,
@@ -27,21 +26,6 @@
   },
   "reportUnusedDisableDirectives": true,
   "rules": {
-    "no-restricted-properties": [
-      "error",
-      {
-        "object": "describe",
-        "property": "only"
-      },
-      {
-        "object": "it",
-        "property": "only"
-      },
-      {
-        "object": "context",
-        "property": "only"
-      }
-    ],
     "no-restricted-globals": [
       "error",
       {
@@ -115,6 +99,8 @@
       }
     ],
     "mocha/no-async-describe": "error",
+    "mocha/no-exclusive-tests": "error",
+    "mocha/consistent-spacing-between-blocks": "error",
     "no-restricted-syntax": [
       "error",
       {

test/action/dependency.test.ts

@@ -132,6 +132,7 @@ describe('package.json', function () {
 
   describe('mongodb imports', () => {
     let imports: string[];
+
     beforeEach(async function () {
       for (const key of Object.keys(require.cache)) delete require.cache[key];
       require('../../src');

test/integration/change-streams/change_streams.prose.test.ts

@@ -111,6 +111,7 @@ describe('Change Stream prose tests', function () {
       await client.close();
     }
   });
+
   afterEach(async () => await mock.cleanup());
 
   // TODO(NODE-3884): Add tests 1-4, 6-8. (#5 is removed from spec)
@@ -590,6 +591,7 @@ describe('Change Stream prose tests', function () {
             expect(tokens[0]).to.deep.equal(successes[1].nextBatch[0]._id);
           });
       });
+
       it('must return resumeAfter from the initial aggregate if the option was specified', function () {
         const manager = new MockServerManager(this.configuration, {
           aggregate: (function* () {
@@ -629,6 +631,7 @@ describe('Change Stream prose tests', function () {
             expect(token).to.deep.equal(resumeAfter);
           });
       });
+
       it('must be empty if resumeAfter options was not specified', function () {
         const manager = new MockServerManager(this.configuration, {
           aggregate: (function* () {
@@ -762,6 +765,7 @@ describe('Change Stream prose tests', function () {
             expect(token).to.deep.equal(startAfter).and.to.not.deep.equal(resumeAfter);
           });
       });
+
       it('must return resumeAfter from the initial aggregate if the option was specified', function () {
         const manager = new MockServerManager(this.configuration, {
           aggregate: (function* () {
@@ -797,6 +801,7 @@ describe('Change Stream prose tests', function () {
             expect(token).to.deep.equal(resumeAfter);
           });
       });
+
       it('must be empty if neither the startAfter nor resumeAfter options were specified', function () {
         const manager = new MockServerManager(this.configuration, {
           aggregate: (function* () {

test/integration/client-side-encryption/client_side_encryption.prose.12.deadlock.test.ts

@@ -105,6 +105,7 @@ const metadata = {
 };
 describe('Connection Pool Deadlock Prevention', function () {
   installNodeDNSWorkaroundHooks();
+
   beforeEach(async function () {
     const url: string = this.configuration.url();
 
@@ -153,6 +154,7 @@ describe('Connection Pool Deadlock Prevention', function () {
   });
 
   const CASE1 = { maxPoolSize: 1, bypassAutoEncryption: false, useKeyVaultClient: false };
+
   it(
     'Case 1',
     metadata,
@@ -177,6 +179,7 @@ describe('Connection Pool Deadlock Prevention', function () {
   );
 
   const CASE2 = { maxPoolSize: 1, bypassAutoEncryption: false, useKeyVaultClient: true };
+
   it(
     'Case 2',
     metadata,
@@ -204,6 +207,7 @@ describe('Connection Pool Deadlock Prevention', function () {
   );
 
   const CASE3 = { maxPoolSize: 1, bypassAutoEncryption: true, useKeyVaultClient: false };
+
   it(
     'Case 3',
     metadata,
@@ -222,6 +226,7 @@ describe('Connection Pool Deadlock Prevention', function () {
   );
 
   const CASE4 = { maxPoolSize: 1, bypassAutoEncryption: true, useKeyVaultClient: true };
+
   it(
     'Case 4',
     metadata,
@@ -243,6 +248,7 @@ describe('Connection Pool Deadlock Prevention', function () {
   );
 
   const CASE5 = { maxPoolSize: 0, bypassAutoEncryption: false, useKeyVaultClient: false };
+
   it(
     'Case 5',
     metadata,
@@ -270,6 +276,7 @@ describe('Connection Pool Deadlock Prevention', function () {
   );
 
   const CASE6 = { maxPoolSize: 0, bypassAutoEncryption: false, useKeyVaultClient: true };
+
   it(
     'Case 6',
     metadata,
@@ -297,6 +304,7 @@ describe('Connection Pool Deadlock Prevention', function () {
   );
 
   const CASE7 = { maxPoolSize: 0, bypassAutoEncryption: true, useKeyVaultClient: false };
+
   it(
     'Case 7',
     metadata,
@@ -315,6 +323,7 @@ describe('Connection Pool Deadlock Prevention', function () {
   );
 
   const CASE8 = { maxPoolSize: 0, bypassAutoEncryption: true, useKeyVaultClient: true };
+
   it(
     'Case 8',
     metadata,

test/integration/client-side-encryption/client_side_encryption.prose.test.js

@@ -565,6 +565,7 @@ describe('Client Side Encryption Prose Tests', metadata, function () {
     const limitsDoc = loadLimits('limits-doc.json');
 
     let hasRunFirstTimeSetup = false;
+
     beforeEach(async function () {
       if (hasRunFirstTimeSetup) {
         // Even though we have to use a beforeEach here
@@ -1274,6 +1275,7 @@ describe('Client Side Encryption Prose Tests', metadata, function () {
     describe('via loading shared library', function () {
       let clientEncrypted;
       let client;
+
       beforeEach(function () {
         const { cryptSharedLibPath } = getEncryptExtraOptions();
         if (!cryptSharedLibPath) {

test/integration/client-side-encryption/client_side_encryption.spec.test.ts

@@ -69,7 +69,9 @@ describe('Client Side Encryption (Legacy)', function () {
   );
 
   installNodeDNSWorkaroundHooks();
+
   after(() => testContext.teardown());
+
   before(function () {
     return testContext.setup(this.configuration);
   });

test/integration/collection-management/collection.test.ts

@@ -6,6 +6,7 @@ import { setupDatabase } from '../shared';
 
 describe('Collection', function () {
   let configuration;
+
   before(function () {
     configuration = this.configuration;
     return setupDatabase(configuration, ['listCollectionsDb', 'listCollectionsDb2', 'test_db']);
@@ -14,6 +15,7 @@ describe('Collection', function () {
   describe('standard collection tests', function () {
     let client: MongoClient;
     let db: Db;
+
     beforeEach(function () {
       client = configuration.newClient(configuration.writeConcernMax(), {
         maxPoolSize: 1

test/integration/collection-management/view.test.ts

@@ -5,6 +5,7 @@ import { type CollectionInfo, type Db, type MongoClient } from '../../mongodb';
 describe('Views', function () {
   let client: MongoClient;
   let db: Db;
+
   beforeEach(async function () {
     const configuration = this.configuration;
     client = this.configuration.newClient();

test/integration/command-logging-and-monitoring/command_monitoring.test.ts

@@ -607,6 +607,7 @@ describe('Command Monitoring', function () {
 
   describe('Internal state references', function () {
     let client;
+
     beforeEach(function () {
       client = this.configuration.newClient(
         { writeConcern: { w: 1 } },

test/integration/connection-monitoring-and-pooling/connection_pool.test.ts

@@ -7,6 +7,7 @@ import { type ConnectionPoolCreatedEvent, type Db, type MongoClient } from '../.
 describe('Connection Pool', function () {
   let client: MongoClient;
   let db: Db;
+
   afterEach(async function () {
     if (client) {
       if (db) {
@@ -15,6 +16,7 @@ describe('Connection Pool', function () {
       await client.close();
     }
   });
+
   describe('Events', function () {
     describe('ConnectionPoolCreatedEvent', function () {
       context('when no connection pool options are passed in', function () {

test/integration/crud/aggregation.test.ts

@@ -5,6 +5,7 @@ import { filterForCommands } from '../shared';
 
 describe('Aggregation', function () {
   let client;
+
   beforeEach(async function () {
     client = this.configuration.newClient();
   });

test/integration/crud/bulk.test.ts

@@ -33,6 +33,7 @@ describe('Bulk', function () {
       .createCollection('test')
       .catch(() => null); // make ns exist
   });
+
   afterEach(async function () {
     const cleanup = this.configuration.newClient();
     await cleanup

test/integration/crud/crud.prose.test.ts

@@ -77,6 +77,7 @@ describe('CRUD Prose Spec Tests', () => {
      */
 
     let collection;
+
     beforeEach(async () => {
       try {
         await client.db().collection('wc_details').drop();

test/integration/crud/find.test.js

@@ -7,6 +7,7 @@ const { Code, ObjectId, Long, Binary, ReturnDocument } = require('../../mongodb'
 
 describe('Find', function () {
   let client;
+
   beforeEach(async function () {
     client = this.configuration.newClient();
   });

test/integration/crud/find_cursor_methods.test.js

@@ -19,6 +19,7 @@ describe('Find Cursor', function () {
   beforeEach(async function () {
     client = this.configuration.newClient({ monitorCommands: true });
   });
+
   afterEach(async function () {
     await client.close();
   });
@@ -43,6 +44,7 @@ describe('Find Cursor', function () {
 
   describe('#readBufferedDocuments', function () {
     let cursor;
+
     beforeEach(async () => {
       const coll = client.db().collection('abstract_cursor');
       cursor = coll.find({}, { batchSize: 5 });

test/integration/crud/insert.test.js

@@ -63,6 +63,7 @@ const ISODate = function (string) {
 
 describe('crud - insert', function () {
   let client;
+
   beforeEach(async function () {
     client = this.configuration.newClient();
   });

test/integration/crud/misc_cursors.test.js

@@ -25,9 +25,11 @@ describe('Cursor', function () {
   });
 
   let client;
+
   beforeEach(async function () {
     client = this.configuration.newClient({ maxPoolSize: 1, monitorCommands: true });
   });
+
   afterEach(async function () {
     await client.close();
   });

test/integration/crud/remove.test.js

@@ -3,6 +3,7 @@ const { expect } = require('chai');
 
 describe('Remove', function () {
   let client;
+
   beforeEach(async function () {
     client = this.configuration.newClient();
   });

test/integration/crud/server_errors.test.js

@@ -14,10 +14,12 @@ describe('Errors', function () {
   });
 
   let client;
+
   beforeEach(function () {
     client = this.configuration.newClient(this.configuration.writeConcernMax(), { maxPoolSize: 1 });
     return client.connect();
   });
+
   afterEach(function () {
     return client.close();
   });

test/integration/gridfs/gridfs_stream.test.js

@@ -11,6 +11,7 @@ const { GridFSBucket, ObjectId, MongoAPIError } = require('../../mongodb');
 describe('GridFS Stream', function () {
   let client;
   let db;
+
   beforeEach(async function () {
     client = this.configuration.newClient();
     db = client.db('gridfs_stream_tests');

test/integration/index_management.test.ts

@@ -101,6 +101,7 @@ describe('Indexes', function () {
 
   describe('Collection.indexes()', function () {
     beforeEach(() => collection.createIndex({ age: 1 }));
+
     afterEach(() => collection.dropIndexes());
 
     context('when `full` is not provided', () => {
@@ -130,6 +131,7 @@ describe('Indexes', function () {
 
   describe('Collection.indexInformation()', function () {
     beforeEach(() => collection.createIndex({ age: 1 }));
+
     afterEach(() => collection.dropIndexes());
 
     context('when `full` is not provided', () => {
@@ -162,6 +164,7 @@ describe('Indexes', function () {
 
   describe('Collection.createIndex()', function () {
     const started: CommandStartedEvent[] = [];
+
     beforeEach(() => {
       started.length = 0;
       client.on('commandStarted', filterForCommands('createIndexes', started));
@@ -188,6 +191,7 @@ describe('Indexes', function () {
 
   describe('Collection.createIndexes()', function () {
     const started: CommandStartedEvent[] = [];
+
     beforeEach(() => {
       started.length = 0;
       client.on('commandStarted', filterForCommands('createIndexes', started));
@@ -238,6 +242,7 @@ describe('Indexes', function () {
 
   describe('Collection.indexExists()', function () {
     beforeEach(() => collection.createIndex({ age: 1 }));
+
     afterEach(() => collection.dropIndexes());
 
     context('when provided a string index name', () => {

test/integration/max-staleness/max_staleness.test.js

@@ -9,6 +9,7 @@ const test = {};
 // TODO (NODE-3799): convert these to run against a real server
 describe('Max Staleness', function () {
   afterEach(() => mock.cleanup());
+
   beforeEach(() => {
     return mock.createServer().then(server => {
       test.server = server;