define('DRUPAL_ROOT', 'your/path/to/drupal');
require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
$_SERVER['REMOTE_ADDR'] = '127.0.0.1';

// Bootstrap Drupal.
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);

// Proceed with PHPUnit tests as usual from here.
class MyTest extends PHPUnit_Framework_TestCase {
  ...

<?php

$path = CWD;

$site_dir = NULL;
$dpl_dir = NULL;

while ($path != '/') {
    if (file_exists($path . '/settings.php')) {
        $site_dir = $path;
    }
    if (file_exists($path . '/index.php') && file_exists($path . '/includes/bootstrap.inc')) {
        $dpl_dir = $path;
        break;
    }
    $path = dirname($path);
}

if (!$dpl_dir) {
    echo "No drupal directory found in or above current working directory. Aborting. n";
    exit(1);
}
if (!$site_dir) {
    $site_dir = $dpl_dir . '/sites/default';
    if (!file_exists($site_dir . '/settings.php')) {
        echo "No configured site found. Aborting.n";
        exit(1);
    }
}

$_SERVER['HTTP_HOST'] = basename($site_dir);
$_SERVER['REMOTE_ADDR'] = '127.0.0.1';

define('DRUPAL_ROOT', $dpl_dir);
set_include_path($dpl_dir . PATH_SEPARATOR . get_include_path());
require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);

#!/bin/bash

# get dirname of the script
DIR="$(dirname $(readlink "$0"))"

# assume the boostrap script is stored in the same directory
php "$DIR/drun-phpunit.php" "$(pwd)" --bootstrap "$DIR/bootstrap.inc.php" "$@"

<?php
require_once 'PHP/CodeCoverage/Filter.php';
PHP_CodeCoverage_Filter::getInstance()->addFileToBlacklist(__FILE__, 'PHPUNIT');

if (extension_loaded('xdebug')) {
  xdebug_disable();
}

if (strpos('/usr/bin/php', '@php_bin') === 0) {
  set_include_path(dirname(__FILE__) . PATH_SEPARATOR . get_include_path());
}

require_once 'PHPUnit/Autoload.php';
define('PHPUnit_MAIN_METHOD', 'PHPUnit_TextUI_Command::main');
define('CWD', $_SERVER['argv'][1]);
unset($_SERVER['argv'][1]);

$command = new PHPUnit_TextUI_Command;
$command->run($_SERVER['argv']);

<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="phpunit.xsd"
         bootstrap="drupal_phpunit_bootstrap.php"
         verbose="true">

</phpunit>

<?php

$_SERVER['HTTP_HOST'] = 'your.url';
$_SERVER['SCRIPT_NAME'] = '/index.php';
$_SERVER['REMOTE_ADDR'] = '127.0.0.1';
$_SERVER['REQUEST_METHOD'] = 'GET';
$_SERVER['SERVER_NAME'] = NULL;
$_SERVER['SERVER_SOFTWARE'] = NULL;
$_SERVER['HTTP_USER_AGENT'] = NULL;
// Fix for behat drupal instantiation.
define('DRUPAL_ROOT', dirname(realpath(__FILE__)));
require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);