codeceptjs/docs/helpers/GraphQL.md

Modern Era Acceptance Testing Framework for NodeJS

---
id: GraphQL
title: GraphQL
---

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## GraphQL

**Extends Helper**

GraphQL helper allows to send additional requests to a GraphQl endpoint during acceptance tests.
[Axios][1] library is used to perform requests.

## Configuration

-   endpoint: GraphQL base URL
-   timeout: timeout for requests in milliseconds. 10000ms by default
-   defaultHeaders: a list of default headers
-   onRequest: a async function which can update request object.

## Example

```js
GraphQL: {
   endpoint: 'http://site.com/graphql/',
   onRequest: (request) => {
     request.headers.auth = '123';
   }
}
```

## Access From Helpers

Send GraphQL requests by accessing `_executeQuery` method:

```js
this.helpers['GraphQL']._executeQuery({
   url,
   data,
});
```

## Methods

### Parameters

-   `config`  

### _executeQuery

Executes query via axios call

#### Parameters

-   `request` **[object][2]** 

### _prepareGraphQLRequest

Prepares request for axios call

#### Parameters

-   `operation` **[object][2]** 
-   `headers` **[object][2]** 

### sendMutation

Send query to GraphQL endpoint over http

```js
I.sendMutation(`
      mutation createUser($user: UserInput!) {
         createUser(user: $user) {
           id
           name
           email
         }
       }
   `,
  { user: {
      name: 'John Doe',
      email: 'john@xmail.com'
    }
  },
});
```

#### Parameters

-   `mutation` **[String][3]** 
-   `variables` **[object][2]** that may go along with the mutation
-   `options` **[object][2]** are additional query options 
-   `headers` **[object][2]**  

### sendQuery

Send query to GraphQL endpoint over http.
Returns a response as a promise.

```js
const response = await I.sendQuery('{ users { name email }}');
// with variables
const response = await I.sendQuery(
 'query getUser($id: ID) { user(id: $id) { name email }}',
 { id: 1 },
)
const user = response.data.data;
```

#### Parameters

-   `query` **[String][3]** 
-   `variables` **[object][2]** that may go along with the query
-   `options` **[object][2]** are additional query options 
-   `headers` **[object][2]**  

[1]: https://github.com/axios/axios

[2]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object

[3]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String