diff --git a/tests/TgBotLib/Methods/SendMessageTest.php b/tests/TgBotLib/Methods/SendMessageTest.php
index 11227d9..a901ba3 100644
--- a/tests/TgBotLib/Methods/SendMessageTest.php
+++ b/tests/TgBotLib/Methods/SendMessageTest.php
@@ -4,11 +4,14 @@ namespace TgBotLib\Methods;
 
 use PHPUnit\Framework\TestCase;
 use TgBotLib\Bot;
+use TgBotLib\Enums\Types\ParseMode;
+use TgBotLib\Objects\LinkPreviewOptions;
 use TgBotLib\Objects\Message;
 
 class SendMessageTest extends TestCase
 {
     const int TEST_CHAT_ID = -1001301191379;
+    const string TEST_WEB_PREVIEW_URL = "https://www.youtube.com/watch?v=tDacjrSCeq4";
     private static Bot $bot;
 
     /**
@@ -26,10 +29,171 @@ class SendMessageTest extends TestCase
      */
     public function testSendMessage(): void
     {
-        $result = self::$bot->sendMessage(chat_id: self::TEST_CHAT_ID, text: 'Test Unit: sendMessage');
+        $result = self::$bot->sendMessage(
+            chat_id: self::TEST_CHAT_ID,
+            text: 'Test Unit: testSendMessage'
+        );
+
+        $this->assertInstanceOf(Message::class, $result);
+        $this->assertEquals(self::TEST_CHAT_ID, $result->getChat()->getId());
+        $this->assertEquals('Test Unit: testSendMessage', $result->getText());
+    }
+
+    /**
+     * Tests the `sendMessage` functionality of the bot with various Markdown V2 formatting options.
+     *
+     * The message includes examples of bold text, italic text, a hyperlink, inline code, block code,
+     * a user mention, a hashtag, a username mention, and a cashtag.
+     *
+     * @return void
+     */
+    public function testSendParseMarkdown2Test(): void
+    {
+        $result = self::$bot->sendMessage(
+            chat_id: self::TEST_CHAT_ID,
+            text: 'Test Unit: testSendParseMarkdown2Test' . PHP_EOL . PHP_EOL .
+                ' *bold* _italic_ [link](https://example.com)' . PHP_EOL .
+                ' `inline code` ```block code```' . PHP_EOL .
+                ' [mention](tg://user?id=123456789)' . PHP_EOL .
+                ' \#hashtag @username' . PHP_EOL .
+                ' $cashtag',
+            parse_mode: ParseMode::MARKDOWN_V2
+        );
+
+        $this->assertInstanceOf(Message::class, $result);
+        $this->assertEquals(self::TEST_CHAT_ID, $result->getChat()->getId());
+    }
+
+    /**
+     * Tests the `sendMessage` function of the bot with multiple Markdown formatting elements.
+     *
+     * This test sends a message containing bold text, italic text, a hyperlink, inline code,
+     * block code, a user mention, a hashtag, a username mention, and a cashtag to verify
+     * proper parsing of Markdown formatting.
+     *
+     * @return void
+     */
+    public function testSendParseMarkdownTest(): void
+    {
+        $result = self::$bot->sendMessage(
+            chat_id: self::TEST_CHAT_ID,
+            text: 'Test Unit: testSendParseMarkdownTest' . PHP_EOL . PHP_EOL .
+                ' *bold* _italic_ [link](https://example.com)' . PHP_EOL .
+                ' `inline code` ```block code```' . PHP_EOL .
+                ' [mention](tg://user?id=123456789)' . PHP_EOL .
+                ' \#hashtag @username' . PHP_EOL .
+                ' $cashtag',
+            parse_mode: ParseMode::MARKDOWN
+        );
+
+        $this->assertInstanceOf(Message::class, $result);
+        $this->assertEquals(self::TEST_CHAT_ID, $result->getChat()->getId());
+    }
+
+    /**
+     * Tests the `sendMessage` functionality of the bot with various HTML formatting options.
+     *
+     * The message includes examples of bold text, italic text, a hyperlink, inline code, block code,
+     * a user mention, a username mention, and a cashtag.
+     *
+     * @return void
+     */
+    public function testSendParseHTMLTest(): void
+    {
+        $result = self::$bot->sendMessage(
+            chat_id: self::TEST_CHAT_ID,
+            text: 'Test Unit: testSendParseHTMLTest' . PHP_EOL . PHP_EOL .
+                ' <b>bold</b> <i>italic</i> <a href="https://example.com">link</a>' . PHP_EOL .
+                ' <code>inline code</code> <pre>block code</pre>' . PHP_EOL .
+                ' <a href="tg://user?id=123456789">mention</a>' . PHP_EOL .
+                ' <a href="https://t.me/username">@username</a>' . PHP_EOL .
+                ' <a href="https://t.me/cashtag">$cashtag</a>',
+            parse_mode: ParseMode::HTML
+        );
+
+        $this->assertInstanceOf(Message::class, $result);
+        $this->assertEquals(self::TEST_CHAT_ID, $result->getChat()->getId());
+    }
+
+    /**
+     * Tests the `sendMessage` functionality to ensure that link previews are properly disabled.
+     *
+     * The message contains a URL that should not generate a web page preview. The `LinkPreviewOptions`
+     * is configured to disable previews, and the test asserts that the response message does not include a preview.
+     *
+     * @return void
+     */
+    public function testWebPagePreviewDisabled(): void
+    {
+        $result = self::$bot->sendMessage(
+            chat_id: self::TEST_CHAT_ID,
+            text: 'Test Unit: testWebPagePreview' . PHP_EOL . self::TEST_WEB_PREVIEW_URL . PHP_EOL . PHP_EOL . 'Disabled link preview',
+            link_preview_options: (new LinkPreviewOptions())
+                ->setDisabled(true)
+        );
+
+        $this->assertInstanceOf(Message::class, $result);
+        $this->assertEquals(self::TEST_CHAT_ID, $result->getChat()->getId());
+    }
+
+    /**
+     * Tests the `sendMessage` functionality of the bot with a preference for small media in web page previews.
+     *
+     * The message includes a test unit identifier and a URL for web preview,
+     * and sets the option to prefer small media in the link preview.
+     *
+     * @return void
+     */
+    public function testWebPagePreviewPreferSmallMedia(): void
+    {
+        $result = self::$bot->sendMessage(
+            chat_id: self::TEST_CHAT_ID,
+            text: 'Test Unit: testWebPagePreview' . PHP_EOL . self::TEST_WEB_PREVIEW_URL . PHP_EOL . PHP_EOL . 'Prefer small media',
+            link_preview_options: (new LinkPreviewOptions())
+                ->setPreferSmallMedia(true)
+        );
+
+        $this->assertInstanceOf(Message::class, $result);
+        $this->assertEquals(self::TEST_CHAT_ID, $result->getChat()->getId());
+    }
+
+    /**
+     * Tests the `sendMessage` functionality of the bot with a webpage preview and a preference for large media.
+     *
+     * The message includes a URL and a preference setting for large media in the link preview.
+     *
+     * @return void
+     */
+    public function testWebPagePreviewPreferLargeMedia(): void
+    {
+        $result = self::$bot->sendMessage(
+            chat_id: self::TEST_CHAT_ID,
+            text: 'Test Unit: testWebPagePreview' . PHP_EOL . self::TEST_WEB_PREVIEW_URL . PHP_EOL . PHP_EOL . 'Prefer large media',
+            link_preview_options: (new LinkPreviewOptions())
+                ->setPreferLargeMedia(true)
+        );
+
+        $this->assertInstanceOf(Message::class, $result);
+        $this->assertEquals(self::TEST_CHAT_ID, $result->getChat()->getId());
+    }
+
+    /**
+     * Tests the `sendMessage` functionality of the bot with a web page preview shown above the text.
+     *
+     * The message includes a URL and demonstrates the configuration for showing the web page preview above the actual text.
+     *
+     * @return void
+     */
+    public function testWebPagePreviewShowAboveText(): void
+    {
+        $result = self::$bot->sendMessage(
+            chat_id: self::TEST_CHAT_ID,
+            text: 'Test Unit: testWebPagePreview' . PHP_EOL . self::TEST_WEB_PREVIEW_URL . PHP_EOL . PHP_EOL . 'Show above text',
+            link_preview_options: (new LinkPreviewOptions())
+                ->setShowAboveText(true)
+        );
 
         $this->assertInstanceOf(Message::class, $result);
         $this->assertEquals(self::TEST_CHAT_ID, $result->getChat()->getId());
-        $this->assertEquals('Test Unit: sendMessage', $result->getText());
     }
 }