tests: cover node id detection with tests

test/Sharding/NodeTest.php

@@ -0,0 +1,45 @@
+<?php declare(strict_types=1);
+
+/*
+ Copyright (c) 2024, Manticore Software LTD (https://manticoresearch.com)
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 3 or any later
+ version. You should have received a copy of the GPL license along with this
+ program; if you did not, you can find it at http://www.gnu.org/
+ */
+
+use Manticoresearch\Buddy\Base\Plugin\Sharding\Node;
+
+final class NodeTest extends \PHPUnit\Framework\TestCase {
+	const TEST_MAP = [
+		'localhost:9312' => 'localhost:9312',
+		'dfsdfsdf' => null,
+		'hello:world' => null,
+		'domain.local:9312' => 'domain.local:9312',
+		'127.0.0.1:9312' => '127.0.0.1:9312',
+		'127.0.0.1:9306:mysql' => '127.0.0.1:9306',
+		'127.0.0.1:9308:http' => '127.0.0.1:9308',
+		'127.0.0.1:9212:mysql' => '127.0.0.1:9212',
+		'127.0.0.1:9224:mysql' => '127.0.0.1:9224',
+	];
+
+	/**
+	 * Validate we can parse valid lines from config to get Node ID
+	 * @return void
+	 */
+	public function testNodeIdParsing(): void {
+		echo "\nTesting the parsing of node id from line\n";
+		$map = static::TEST_MAP;
+		// Edge case when we should detect hostname
+		$hostname = gethostname();
+		$host = gethostbyname($hostname ?: '');
+		$map['0.0.0.0:9552'] = "$host:9552";
+		$map['9333'] = "$host:9333";
+		foreach ($map as $line => $expected) {
+			// PHP has a bug and converts string into ints when can
+			$nodeId = Node::parseNodeId((string)$line);
+			$this->assertEquals($expected, $nodeId);
+		}
+	}
+}