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# hemera-testsuite
Helper library to write tests against NATS.

## Use cases

- You want to create an integration test (cluster support)
- You want to run in-memory tests

## Prerequisites

[Install](https://nats.io/documentation/tutorials/gnatsd-install/) NATS Server and include the path to the executable in your user `PATH` environment variable. (Only needed for integration tests)

## Installing

```
npm i hemera-testsuite
```

## Emulate NATS
We emulate all core features of NATS server. You can run and test your service in memory.

### Features

- Support of wildcard `*` and `>` subjects
- Support for maxMessages$, expectedMessages$ options
- Support for request & publish
- Support for timeouts

### Not supported*

- Custom queue groups
- Special one-to-one publish
- Load balancing
- Connection related states

\**In this case we recommend to start a real NATS Server.*

```js
const Hemera = require('nats-hemera')
const Nats = require('hemera-testsuite/nats')
const nats = new Nats()
const hemera = new Hemera(nats, {
  logLevel: 'info'
})
```

## Full Integration test

- Run your tests against a real NATS server

[Example](https://github.com/hemerajs/hemera/blob/master/test/hemera/index.spec.js)

## Credits
Thanks to [node-nats](https://github.com/nats-io/node-nats) for providing the script to bootstrap the server.


Helper library to write tests against NATS. 

Supply Chain Attack on Axios Pulls Malicious Dependency from npm

hemera-testsuite

Helper library to write tests against NATS.

starptech

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hemera-testsuite

hemera-testsuite

Use cases

Prerequisites

Installing

Emulate NATS

Features

Not supported*

Full Integration test

Credits

Related posts

The Hidden Blast Radius of the Axios Compromise

Supply Chain Attack on Axios Pulls Malicious Dependency from npm