Added scripts for testing the components

- DAS server output optimization
- Fixed EPP formatting error

tests/das.php

@@ -0,0 +1,71 @@
+<?php
+// Namingo DAS QA Testing Tool
+
+$server = 'your_das_server_address';
+$port = 1043;
+
+/**
+ * Sends a domain request to the DAS server and returns the response.
+ */
+function sendRequest($server, $port, $domain) {
+    $timeout = 10;
+    $errorNumber = 0;
+    $errorMessage = '';
+
+    // Open the socket
+    $socket = @stream_socket_client("tcp://$server:$port", $errorNumber, $errorMessage, $timeout);
+
+    if (!$socket) {
+        echo "Error: $errorMessage ($errorNumber)\n";
+        return null;
+    }
+
+    // Send the domain request
+    fwrite($socket, $domain . "\r\n"); // Use carriage return and newline
+
+    // Wait for the response
+    $response = '';
+    while (!feof($socket)) {
+        $response .= fread($socket, 8192);
+    }
+
+    fclose($socket);
+
+    return trim($response);
+}
+
+/**
+ * Tests a domain request against expected response.
+ */
+function testDomainRequest($domain, $expected, $message) {
+    global $server, $port;
+    $response = sendRequest($server, $port, $domain);
+
+    if ($response === $expected) {
+        echo "PASS: $message\n";
+    } else {
+        echo "FAIL: $message (Expected: $expected, Got: $response)\n";
+    }
+}
+
+// Basic Test Cases
+testDomainRequest('test.test', '1', 'Valid domain name');
+testDomainRequest('nonexistentdomain.test', '0', 'Non-existent domain');
+testDomainRequest('hyphen-domain.test', '0', 'Hyphenated domain name');
+
+// Edge Cases
+testDomainRequest('', '2', 'Empty domain name');
+testDomainRequest('12345.test', '0', 'Numerical domain name');
+testDomainRequest('test', '2', 'Top-level domain only');
+testDomainRequest('!@#$%^&*', '2', 'Special characters in domain');
+testDomainRequest('a.test', '0', 'Single character domain name');
+testDomainRequest('verylongdomainnametestingxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.test', '2', 'Unusually long domain name');
+
+// Security Cases
+testDomainRequest('example.test; DROP TABLE domains;', '2', 'SQL Injection attempt');
+testDomainRequest(str_repeat('A', 5000), '2', 'Buffer Overflow attempt');
+testDomainRequest('<script>alert("XSS")</script>.test', '2', 'XSS Injection attempt');
+testDomainRequest('`; ls -la`.test', '2', 'Command Injection attempt');
+testDomainRequest('测试.test', '2', 'Unicode characters in domain');
+testDomainRequest(' test .test', '2', 'Domain with leading whitespace');
+testDomainRequest('test .test', '2', 'Domain with trailing whitespace');