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https://github.com/micromata/http-fake-backend

Build a fake backend by providing the content of JSON files or JavaScript objects through configurable routes.
https://github.com/micromata/http-fake-backend

api backend data fake fake-data http http-server json json-files mock mocking mocking-server mocks node nodejs rest rest-api restful restful-api

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Build a fake backend by providing the content of JSON files or JavaScript objects through configurable routes.

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# http-fake-backend

> Build a fake backend by providing the content of JSON files or JavaScript objects through configurable routes.

*It actually can serve the content of other file types as well as sending the files itself as response.*

Comes as a Node.js server. Useful for mocking, testing and developing independent of the »real« backend.

## Sorry, this project is unmaintained 😢
Thanks to all contributors for your work!

We’ve just pushed a last release which fixes some bugs, make this thing run with Node 18.

## Example
Let’s say you need an endpoint like which should return:

```
{
"response": "Yeah"
}
```

It’s a matter of seconds to create this endpoint with help of this little hapi server.

It might take a few seconds longer as setting up the well-made [JSON Server](https://github.com/typicode/json-server) but it’s way more flexible.

## Requirements

- Node.js (18.12.0 or greater)

## Install

```bash
git clone https://github.com/micromata/http-fake-backend.git
npm install
```

Or with help of [Yeoman](http://yeoman.io)

```bash
npm install -g yo
npm install -g generator-http-fake-backend
```

This comes in handy, because the Yeoman generator has a sub-generator to setup endpoints of your fake backend very convenient. See .

## Default Address
The server runs at providing a page with links to all existing API endpoints.

## Start the server

There are the following two options.

### During development

```
npm run start:dev
```

This way the server uses `nodemon` to restart itself on changes.

### Later (eg. for tests in CI)

```
npm start
```

Just starts the server via node.

## Configure endpoints

Each endpoint needs a configuration file in `/server/api/` to define routes, http method and the response.

### Example configurations

#### Simple Example

`/server/api/simpleExample.js`:

```js
module.exports = SetupEndpoint({
name: 'simpleExample',
urls: [{
requests: [
{ response: '/response-files/simpleExample.json' }
]
}]
});
```

#### Advanced Example

`/server/api/anotherExample.js`:

```js
module.exports = SetupEndpoint({
name: 'anotherExample',
urls: [{
params: '/read',
requests: [{
method: 'GET',
response: '/response-files/anotherExample.json'
}]
}, {
params: '/update/{id}',
requests: [{
method: ['PUT', 'PATCH'],
response: {
success: true
}
}, {
method: 'DELETE',
response: {
deleted: true
}
}]
}, ]
});
```

#### Serving different content types

`/server/api/fileTypes.js`:

```js
module.exports = SetupEndpoint({
name: 'fileTypes',
urls: [{
params: '/json',
requests: [{
response: '/response-files/simpleExample.json'
}]
}, {
params: '/text',
requests: [{
response: '/response-files/example.txt',
mimeType: 'text/plain'
}]
}, {
params: '/html',
requests: [{
response: '/response-files/example.html',
mimeType: 'text/html'
}]
}, {
params: '/pdf',
requests: [{
response: '/response-files/example.pdf',
sendFile: true
}]
}]
});
```

#### Faking HTTP errors and status code

`/server/api/fakingStatusCodes.js`:

```js
module.exports = SetupEndpoint({
name: 'statusCodes',
urls: [
{
params: '/boomError',
requests: [{
// Returns a 402 status code + error message provided by boom:
// {
// "error" : "Payment Required",
// "message" : "Payment Required",
// "statusCode" : 402
// }
statusCode: 402
}]
},
{
params: '/customError',
requests: [{
// Returns a HTTP status code 406 and a self defined response:
response: { error: true },
statusCode: 406
}]
},
{
params: '/regularResponse',
requests: [{
// Returns a 401 error provided by boom
// as defined on endpoint level
response: '/response-files/anotherExample.json'
}]
}
],
statusCode: 401
});
```

The configuration object in Detail:

* `name`
* Is used to set the endpoint.
* `urls`
* You need to add at least one url object.
* `urls.params`
* Optional
* URL path parameters with fixed and/or variable path segments.
* Example:
* `params: '/update/{id}'`
* See hapi docs. For example regarding optional [path parameters](http://hapijs.com/api#path-parameters).
* `urls.requests`
* You need to add at least one request object.
* Multiple request objects are needed in case you like to serve different responses via different HTTP methods with the same URL.
* `urls.requests.method`
* optional. Uses `GET` when not defined.
* `string`, or `array` of strings.
* is used to define the http method(s) to which the endpoint will listen.
* `urls.requests.response`
* Could be a string pointing to a file:
* `response: '/response-files/articles.json'`
* Or just a JavaScript object:
* `response: { success: true }`
* `urls.requests.mimeType`
* Optional (string). Defaults to `application/json`.
* Is used to set the `content-type` response header.
* `urls.requests.sendFile`
* Optional (boolean). Defaults to `false`.
* Sends the file as response instead of returning the file content.
* `urls.requests.statusCode`
* Optional (boolean). Defaults to `200`
* The HTTP status code of the response.
* Will return:
* a status code with a self defined response if you provide a response property
* a status code with a predefined error object provided by [boom](https://github.com/hapijs/boom) if you dont provide a response property for that request.
* `statusCode`
* Optional
* Every subroute of this endpoint will return a HTTP error with the given status code provided by [boom](https://github.com/hapijs/boom).

## Configure server

The main config is handled via a file named `.env` with the following content:

```dosini
# NODE_ENV
# Could be either `development` or `production`
NODE_ENV=development

# Port of the Server
SERVER_PORT=8081

# Port for running the tests
TEST_PORT=9090

# URL Prefix for the endpoints
# eg. http://localhost:8081/api/foo
API_PREFIX=/api

# Custom response header
#CUSTOM_HEADER_NAME=Authorization
#CUSTOM_HEADER_VALUE=Bearer eyJhbGciOiJIUzUxMiJ9

```

## Related

* [Yeoman Generator](https://github.com/micromata/generator-http-fake-backend) – Easily generate your fake backend and use sub-generators to setup endpoints like :zap:

## License

Please be aware of the licenses of the components we use in this project.
Everything else that has been developed by the contributions to this project is under [MIT License](LICENSE).