chore: fix mongoose warnings in tests

Author: nodkz

examples/mongooseDiscriminators/__tests__/queriesFromIndex-test.js

@@ -15,7 +15,8 @@ let db;
 beforeAll(async () => {
   mongoServer = new MongodbMemoryServer({ instance: { dbName: 'user' } });
   const mongoUri = await mongoServer.getConnectionString();
-  const opts = { useNewUrlParser: true };
+  mongoose.set('useCreateIndex', true);
+  const opts = { useNewUrlParser: true, useUnifiedTopology: true };
   mongoose.connect(mongoUri, opts);
   con = await MongoClient.connect(mongoUri, opts);
   db = con.db('user');

examples/northwind/__tests__/queriesFromIndex-test.js

@@ -15,7 +15,8 @@ let db;
 beforeAll(async () => {
   mongoServer = new MongodbMemoryServer({ instance: { dbName: 'northwind' } });
   const mongoUri = await mongoServer.getConnectionString();
-  const opts = { useNewUrlParser: true };
+  mongoose.set('useCreateIndex', true);
+  const opts = { useNewUrlParser: true, useUnifiedTopology: true };
   mongoose.connect(mongoUri, opts);
   mongoose.connection.once('disconnected', () => {
     console.log('MongoDB disconnected!');

examples/user/__tests__/queriesFromIndex-test.js

@@ -15,7 +15,8 @@ let db;
 beforeAll(async () => {
   mongoServer = new MongodbMemoryServer({ instance: { dbName: 'user' } });
   const mongoUri = await mongoServer.getConnectionString();
-  const opts = { useNewUrlParser: true };
+  mongoose.set('useCreateIndex', true);
+  const opts = { useNewUrlParser: true, useUnifiedTopology: true };
   mongoose.connect(mongoUri, opts);
   con = await MongoClient.connect(mongoUri, opts);
   db = con.db('user');

examples/userForRelay/__tests__/queriesFromIndex-test.js

@@ -15,7 +15,8 @@ let db;
 beforeAll(async () => {
   mongoServer = new MongodbMemoryServer({ instance: { dbName: 'userForRelay' } });
   const mongoUri = await mongoServer.getConnectionString();
-  const opts = { useNewUrlParser: true };
+  mongoose.set('useCreateIndex', true);
+  const opts = { useNewUrlParser: true, useUnifiedTopology: true };
   mongoose.connect(mongoUri, opts);
   con = await MongoClient.connect(mongoUri, opts);
   db = con.db('userForRelay');

jest.config.js

@@ -5,4 +5,5 @@ module.exports = {
   moduleFileExtensions: ['js'],
   testMatch: ['**/__tests__/**/*-test.(ts|js)'],
   roots: ['<rootDir>/examples'],
+  testEnvironment: 'node',
 };