To simulate human ui behavior in k6 would like to wait for a random time between 500 ms and 10 seconds. Can you write me a javascript function that I can call to simulate this?
user
Sure, I'd be happy to help you write some JavaScript code for your k6 test script. Here's a simple function that generates a random delay between 500 milliseconds and 10 seconds:

```javascript
function generateRandomDelay() {
  const timeInMilliseconds = Math.random() * (10000 - 500) + 500;
  return timeInMilliseconds;
}
```

This function generates a random number between 500 (inclusive) and 10,000 (exclusive). The `Math.random()` function generates a random number between 0 and 1, so we multiply it by the range (10,000 - 500) and add the minimum value to get a number between 500 and 10,000.

In your k6 script, you can then use this function like this:

```k6
const { executeScript } = require('@k6/net');

export default function() {
  const delay = generateRandomDelay();
  executeScript('https://example.com', async (config) => {
    await config.fetch('POST', '/api/login', { 'Content-Type': 'application/json' }, JSON.stringify({ username: 'john', password: 'doe' }));
    // Simulate human UI behavior here
    // ...
    console.log('Delaying for ' + delay + ' milliseconds.');
    // Actual delay
    await k6.sleep(delay);
  });
}
```

In this example, the `generateRandomDelay()` function is used to generate a random delay, and the `executeScript()` function is used to simulate a UI interaction and delay. The `k6.sleep()` function is used to create the delay. The `await` expression allows the script to wait for the delay before carrying on.
assistant
To simulate human ui behavior in k6 would like to wait for a random time between 500 ms and 10 seconds. Can you write me a javascript function that I can call to simulate this?
user
Sure, I'd be happy to help with that. Here's a simple JavaScript function that returns a promise, which resolves after a random delay between 500 milliseconds and 10 seconds:

```javascript
function randomWait() {
  return new Promise((resolve) => {
    const delay = Math.random() * (10000 - 500) + 500; // Random number between 500 and 10000
    setTimeout(resolve, delay);
  });
}
```

You can use this function in your k6 script like this:

```javascript
import http from 'k6/http';
import { sleep } from 'k6';

export default function() {
  http.get('http://test.k6.io');
  randomWait().then(() => {}); // Wait for a random amount of time
}
```

However, k6 has a built-in function `sleep` that can be used to pause execution for a specified amount of time. You can use it like this:

```javascript
import http from 'k6/http';
import { sleep } from 'k6';

export default function() {
  http.get('http://test.k6.io');
  sleep(Math.random() * (10 - 0.5) + 0.5); // Sleep for a random amount of time between 0.5 and 10 seconds
}
```
assistant