create_subscribers_orders.php

<?php

/**
 * This script will create subscribers
 * and guest orders using subscriber emails
 *
 * You will need Faker library https://github.com/fzaninotto/Faker
 * Place it in Magento root rename folder to faker
 *
 * Change value of $NUMBER_TO_GENERATE to desired number
 * Change calue of $productId to the one that exist in Magento
 *
 */

require_once "app/Mage.php";
require_once 'faker/src/autoload.php';

Mage::app();

//set number to generate here
$NUMBER_TO_GENERATE = 100;
$faker = Faker\Factory::create();

$subscribers = array();
$subscriberEmails = array();

for($i = 0; $i < $NUMBER_TO_GENERATE ; $i++) {
    $setEmail = getEmailsimDomain($faker->userName.$i);
    $subscriberEmails[] = $setEmail;
    $subscribers[] = [
        'store_id' => Mage::app()->getStore()->getId(),
        'subscriber_email' => $setEmail,
        'subscriber_status' => 1
    ];
}

try {
    $resource = Mage::getSingleton('core/resource');
    $write = $resource->getConnection('core_write');
    $num = $write->insertMultiple(
        'newsletter_subscriber',
        $subscribers
    );
    echo 'Successfully inserted subscribers : ' . $num  . PHP_EOL;
} catch(Exception $exception)
{
    // error message
    print_r($exception->getMessage()) . PHP_EOL;
}

//change product id here
$productId = 392;
$stockItem = Mage::getModel('cataloginventory/stock_item')->loadByProduct($productId);
if ($stockItem->getId() > 0 and $stockItem->getManageStock()) {
    $qty = $NUMBER_TO_GENERATE;
    $stockItem->setQty($qty);
    $stockItem->setIsInStock((int)($qty > 0));
    $stockItem->save();
}

$product = Mage::getModel("catalog/product")->load($productId);
$buyInfo = array(
    "qty" => 1,
);
$info = new Varien_Object($buyInfo);

foreach ($subscriberEmails as $email) {
    $quote = Mage::getModel("sales/quote");
    $quote->setStoreId(Mage::app()->getStore("default")->getId())
        ->setCustomerEmail($email)
        ->addProduct($product, $info);

    $addressData = array(
        "firstname" => "Test",
        "lastname" => "Test",
        "street" => "Test Street 1",
        "city" => "Test City",
        "postcode" => "123456",
        "telephone" => "123456",
        "country_id" => "US",
        "region_id" => "12",
    );

    $billingAddress = $quote->getBillingAddress()->addData($addressData);
    $shippingAddress = $quote->getShippingAddress()->addData($addressData);
    $shippingAddress->setCollectShippingRates(true)->collectShippingRates()
        ->setShippingMethod("flatrate_flatrate")
        ->setPaymentMethod("checkmo");

    $quote->getPayment()->importData(array("method" => "checkmo"));
    $quote->collectTotals()->save();

    $service = Mage::getModel("sales/service_quote", $quote);
    $service->submitAll();
    $order = $service->getOrder();
    printf("Created order %s\n", $order->getIncrementId()) . PHP_EOL;
}


function getEmailsimDomain($email){
    return $email . '@emailsim.io';
}