close connections in other test files

lerna.json

@@ -1,7 +1,7 @@
 {
-  "lerna": "4.0.0",
-  "npmClient": "yarn",
-  "useWorkspaces": true,
-  "version": "independent",
-  "packages": ["packages/*", "tools/*"]
+	"lerna": "4.0.0",
+	"npmClient": "yarn",
+	"useWorkspaces": true,
+	"version": "independent",
+	"packages": ["packages/*", "tools/*"]
 }

packages/web3-eth-contract/package.json

@@ -39,7 +39,7 @@
 		"test:ci": "jest --coverage=true --coverage-reporters=json --verbose",
 		"test:watch": "npm test -- --watch",
 		"test:unit": "jest --config=./test/unit/jest.config.js",
-		"test:integration": "jest --config=./test/integration/jest.config.js --runInBand",
+		"test:integration": "jest --config=./test/integration/jest.config.js --runInBand --detectOpenHandles",
 		"test:e2e:electron": "npx cypress run --headless --browser electron --env grep='ignore',invert=true",
 		"test:e2e:chrome": "npx cypress run --headless --browser chrome --env grep='ignore',invert=true",
 		"test:e2e:firefox": "npx cypress run --headless --browser firefox --env grep='ignore',invert=true"

packages/web3-eth-contract/test/integration/contract_accesslist.test.ts

@@ -23,16 +23,18 @@ import {
 	describeIf,
 	getSystemTestBackend,
 	BACKEND,
+	closeOpenConnection,
 } from '../fixtures/system_test_utils';
 
 describe('contract', () => {
 	describeIf(getSystemTestBackend() === BACKEND.GETH)('createAccessList', () => {
 		let contract: Contract<typeof GreeterAbi>;
+		let deployedContract: Contract<typeof GreeterAbi>;
 		let deployOptions: Record<string, unknown>;
 		let sendOptions: Record<string, unknown>;
 		let acc: { address: string; privateKey: string };
 
-		beforeEach(async () => {
+		beforeAll(async () => {
 			contract = new Contract(GreeterAbi, undefined, {
 				provider: getSystemTestProvider(),
 			});
@@ -46,10 +48,16 @@ describe('contract', () => {
 			sendOptions = { from: acc.address, gas: '1000000' };
 		});
 
-		it('create access list for setter', async () => {
-			const deployedContract = await contract.deploy(deployOptions).send(sendOptions);
+		afterAll(async () => {
+			await closeOpenConnection(contract);
+		});
+
+		beforeEach(async () => {
+			deployedContract = await contract.deploy(deployOptions).send(sendOptions);
 			deployedContract.defaultAccount = acc.address;
+		});
 
+		it('create access list for setter', async () => {
 			const receipt = await deployedContract.methods
 				.setGreeting('New Greeting')
 				.send({ gas: '1000000' });
@@ -75,9 +83,6 @@ describe('contract', () => {
 		});
 
 		it('create access list for getter', async () => {
-			const deployedContract = await contract.deploy(deployOptions).send(sendOptions);
-			deployedContract.defaultAccount = acc.address;
-
 			const receipt = await deployedContract.methods
 				.setGreeting('New Greeting')
 				.send({ gas: '1000000' });

packages/web3-eth-contract/test/integration/contract_clone.test.ts

@@ -16,13 +16,18 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 */
 import { Contract } from '../../src';
 import { GreeterBytecode, GreeterAbi } from '../shared_fixtures/build/Greeter';
-import { getSystemTestProvider, createTempAccount } from '../fixtures/system_test_utils';
+import {
+	getSystemTestProvider,
+	createTempAccount,
+	closeOpenConnection,
+} from '../fixtures/system_test_utils';
 
 describe('contract', () => {
 	describe('clone', () => {
 		let contract: Contract<typeof GreeterAbi>;
 		let deployOptions: Record<string, unknown>;
 		let sendOptions: Record<string, unknown>;
+
 		beforeAll(async () => {
 			contract = new Contract(GreeterAbi, undefined, {
 				provider: getSystemTestProvider(),
@@ -37,6 +42,10 @@ describe('contract', () => {
 			sendOptions = { from: acc.address, gas: '1000000' };
 		});
 
+		afterAll(async () => {
+			await closeOpenConnection(contract);
+		});
+
 		it('should clone the contract but with same address', async () => {
 			const deployedContract = await contract.deploy(deployOptions).send(sendOptions);
 			const newContract = deployedContract.clone();

packages/web3-eth-contract/test/integration/contract_defaults.test.ts

@@ -20,7 +20,11 @@ import { Web3Context } from 'web3-core';
 
 import { Contract } from '../../src';
 import { GreeterBytecode, GreeterAbi } from '../shared_fixtures/build/Greeter';
-import { getSystemTestProvider, createTempAccount } from '../fixtures/system_test_utils';
+import {
+	getSystemTestProvider,
+	createTempAccount,
+	closeOpenConnection,
+} from '../fixtures/system_test_utils';
 
 describe('contract', () => {
 	describe('defaults', () => {
@@ -43,6 +47,10 @@ describe('contract', () => {
 			sendOptions = { from: acc.address, gas: '1000000' };
 		});
 
+		afterEach(async () => {
+			await closeOpenConnection(contract);
+		});
+
 		it('should use "defaultAccount" on "instance" level instead of "from"', async () => {
 			const deployedContract = await contract.deploy(deployOptions).send(sendOptions);
 			// eslint-disable-next-line prefer-destructuring
@@ -63,23 +71,27 @@ describe('contract', () => {
 		});
 
 		it('should set syncWithContext from init options', async () => {
-			contract = new Contract(GreeterAbi, {
+			const testContract = new Contract(GreeterAbi, {
 				provider: getSystemTestProvider(),
 				syncWithContext: true,
 			});
 
-			contract = await contract.deploy(deployOptions).send(sendOptions);
+			const deployedContract = await testContract.deploy(deployOptions).send(sendOptions);
 
-			expect(contract.syncWithContext).toBeTruthy();
+			expect(deployedContract.syncWithContext).toBeTruthy();
+
+			await closeOpenConnection(testContract);
 		});
 
-		it('should subscribe to provided context upon instantiation', () => {
+		it('should subscribe to provided context upon instantiation', async () => {
 			const web3Context = new Web3Context('http://127.0.0.1:8545');
 			const _contract = new Contract([], { syncWithContext: true }, web3Context);
 			expect(_contract.defaultBlock).toBe('latest');
 
 			web3Context.defaultBlock = 'earliest';
 			expect(_contract.defaultBlock).toBe('earliest');
+
+			await closeOpenConnection(_contract);
 		});
 
 		describe('defaultBlock', () => {