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1. #NODEJS LOCAL DYNAMODB HOW TO#
2. #NODEJS LOCAL DYNAMODB INSTALL#
3. #NODEJS LOCAL DYNAMODB CODE#
4. #NODEJS LOCAL DYNAMODB DOWNLOAD#

If you specify sharedDb, all DynamoDB clients will interact with the same set of tables regardless of their region and credential configuration. sharedDb: DynamoDB will use a single database file, instead of using separate files for each credential and region.For example to create /node_modules/dynamodb-localhost/dynamob/ you should specify '/' with a forwardslash at the end. For the path, current working directory is /node_modules/dynamodb-localhost/dynamob. Note that you cannot specify both dbPath and inMemory at once. If you do not specify this option, the file will be written to the current directory. dbPath: The directory where DynamoDB will write its database file.When you stop DynamoDB, none of the data will be saved. inMemory: DynamoDB will run in memory, instead of using a database file.The default setting for cors is an asterisk (*), which allows public access. You must provide a comma-separated "allow" list of specific domains.

#NODEJS LOCAL DYNAMODB DOWNLOAD#

This method will download the latest version of the official jar file that you can find above. This step will be achieved by running the method dynamodbLocal.install().

#NODEJS LOCAL DYNAMODB INSTALL#

The first thing we need is to install this local DynamoDB using the library.We need to execute these steps in order to run our local DynamoDB. We will use this library in order to make it easier mocking the DynamoDB. The Docker image and this library will run the same executable jar file. If you are using Docker, this npm library executes exactly the same commands but in a different way. This library is capable of downloading and installing the DynamoDB Local with a simple set of commands, and pass optional attributes defined in DynamoDB Local Documentation. This library works as a wrapper for AWS DynamoDB Local, intended for use in devops. In this project we are going to use the npm package dynamodb-localhost.

#NODEJS LOCAL DYNAMODB HOW TO#

If you want how to create your Skill with the ASK CLI, please follow the first step explained in my Node.js Skill sample. With ASK CLI, you have access to the Skill Management API, which allows you to manage Alexa skills programmatically from the command line. The Alexa Skills Kit Command Line Interface (ASK CLI) is a tool for you to manage your Alexa skills and related resources, such as AWS Lambda functions. Java Runtime Environment (JRE) version 6.x or newer.AWS CLI - Install and configure AWS CLI.ASK CLI - Install and configure ASK CLI.Amazon Developer Account - How to get it.Here you have the technologies used in this project DynamoDB is a fully managed NoSQL database offered by Amazon Web Services. In other words, Database Mocking is a simulation of a database either with few records or with an empty database.Īlexa Skills can use DynamoDB to persist data between sessions.

#NODEJS LOCAL DYNAMODB CODE#

This technique is also useful when you are writing your code on your local laptop.

Using this technique, you can focus on getting the test data-sets ready once, and then use it on different test phases regarding the environments by using mocking. Mocking database is a technique that allows you to set the desired database state in your tests to let specific data-sets ready for future test execution. In this article we will discuss how to mocking a DynamoDB. Mocking away dependencies - especially external dependencies - is common practice when writing tests or when you are developing locally.ĭependency injection typically makes it easy to provide a mock implementation for your dependencies, e.g.