test: add another test to run them concurrently

Author: vladholubiev

index-another-concurrent-test.test.js

@@ -0,0 +1,19 @@
+const {DocumentClient} = require('aws-sdk/clients/dynamodb');
+
+const ddb = new DocumentClient({
+  convertEmptyValues: true,
+  endpoint: 'localhost:8000',
+  sslEnabled: false,
+  region: 'local-env'
+});
+
+it('should insert item into another table concurrently', async () => {
+  await ddb.put({TableName: 'users', Item: {id: '1', hello: 'world'}}).promise();
+
+  const {Item} = await ddb.get({TableName: 'users', Key: {id: '1'}}).promise();
+
+  expect(Item).toEqual({
+    id: '1',
+    hello: 'world'
+  });
+});

jest-dynamodb-config.js

@@ -5,6 +5,12 @@ module.exports = {
       KeySchema: [{AttributeName: 'id', KeyType: 'HASH'}],
       AttributeDefinitions: [{AttributeName: 'id', AttributeType: 'S'}],
       ProvisionedThroughput: {ReadCapacityUnits: 1, WriteCapacityUnits: 1}
+    },
+    {
+      TableName: `users`,
+      KeySchema: [{AttributeName: 'id', KeyType: 'HASH'}],
+      AttributeDefinitions: [{AttributeName: 'id', AttributeType: 'S'}],
+      ProvisionedThroughput: {ReadCapacityUnits: 1, WriteCapacityUnits: 1}
     }
   ],
   port: 8000,

package.json

@@ -26,7 +26,7 @@
     "coverage": "jest --coverage",
     "lint": "eslint . --ext .js,.ts,.json --fix",
     "lint:ci": "eslint . --ext .js,.ts,.json",
-    "test": "export ENVIRONMENT=local && jest . --runInBand"
+    "test": "export ENVIRONMENT=local && jest ."
   },
   "husky": {
     "hooks": {

setup.js

@@ -41,7 +41,7 @@ module.exports = async function () {
       DynamoDbLocal.configureInstaller(installerConfig);
     }
 
-    if(!global.__DYNAMODB__) {
+    if (!global.__DYNAMODB__) {
       global.__DYNAMODB__ = await DynamoDbLocal.launch(port, null, options);
     }
   }