gistfile1.php

<?php
public static function generateTestCaseClass(Specification $specification) {
    $testCaseName = 'RapidTest_PHPUnit_TestCase_' . uniqid();

    $code = "class $testCaseName extends \\PHPUnit_Framework_TestCase {\n";
    foreach ($specification->getProperties() as $property) {
        $testName = 'test_' . uniqid();
        self::$__properties[$testName] = $property;
        $code .= "    public function $testName() {\n";
        $code .= '        $property = ' . __CLASS__ . "::\$__properties['$testName'];\n";
        $code .= "        \$property();\n";
        $code .= "    }\n";
    }
    $code .= "}\n";

    eval($code);

    return new \ReflectionClass($testCaseName);
}