Add SendPoll method with tests and enhance Poll object

tests/TgBotLib/Methods/SendContactTest.php

@@ -4,7 +4,6 @@
 
     use PHPUnit\Framework\TestCase;
     use TgBotLib\Bot;
-    use TgBotLib\Exceptions\TelegramException;
     use TgBotLib\Objects\Message;
 
     class SendContactTest extends TestCase

tests/TgBotLib/Methods/SendPollTest.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace TgBotLib\Methods;
+
+use PHPUnit\Framework\TestCase;
+use TgBotLib\Bot;
+use TgBotLib\Objects\InputPollOption;
+use TgBotLib\Objects\Message;
+
+class SendPollTest extends TestCase
+{
+    private static Bot $bot;
+
+    public static function setUpBeforeClass(): void
+    {
+        // Initialize the Bot instance before tests
+        self::$bot = new Bot(BOT_TOKEN);
+        self::$bot->setAutoRetry(true);
+    }
+
+    /**
+     * Tests the sendPoll method with basic parameters.
+     *
+     * @return void
+     */
+    public function testSendPollBasic(): void
+    {
+
+        // Execute the method and retrieve the result
+        $result = self::$bot->sendPoll(
+            chat_id: TEST_CHAT_ID,
+            question: 'What is your favorite color?',
+            options: [
+                (new InputPollOption())->setText('Red'),
+                (new InputPollOption())->setText('Blue'),
+                (new InputPollOption())->setText('Green'),
+            ]
+        );
+
+        // Assert that the result is an instance of Message
+        $this->assertInstanceOf(Message::class, $result);
+    }
+
+    /**
+     * Tests the sendPoll method with advanced options.
+     *
+     * @return void
+     */
+    public function testSendPollWithAdvancedOptions(): void
+    {
+        // Execute the method and retrieve the result
+        $result = self::$bot->sendPoll(
+            chat_id: TEST_CHAT_ID,
+            question: 'What is your favorite color?',
+            options: [
+                (new InputPollOption())->setText('Red'),
+                (new InputPollOption())->setText('Blue'),
+                (new InputPollOption())->setText('Green'),
+            ],
+            is_anonymous: false,
+            allows_multiple_answers: true,
+            correct_option_id: 1,
+            explanation: 'The correct answer is Blue.',
+            explanation_parse_mode: 'MarkdownV2',
+            open_period: 60,
+            close_date: strtotime('+1 day')
+        );
+
+        // Assert that the result is an instance of Message
+        $this->assertInstanceOf(Message::class, $result);
+    }
+
+}
+