test: enhance Telegram bot application tests with context and token validation

src/test/java/ru/cathub/telegabot/TelegaBotApplicationTests.java

@@ -1,23 +1,38 @@
 package ru.cathub.telegabot;
 
 import org.junit.jupiter.api.Test;
-import org.springframework.beans.factory.annotation.Value;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.ApplicationContext;
 import org.springframework.test.context.TestPropertySource;
 
-import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.*;
 
 @SpringBootTest
-@TestPropertySource(locations = "classpath:application.properties") // Указываем файл свойств
+@TestPropertySource(locations = "classpath:application.properties")
 class TelegramBotApplicationTests {
 
-    @Value("${bot.token}") // Инъекция значения из application.properties
+    @Value("${bot.token}")
     private String botToken;
 
+    @Autowired
+    private ApplicationContext applicationContext;
+
+    @Test
+    void contextLoads() {
+        assertNotNull(applicationContext, "Application context should load successfully");
+    }
+
     @Test
     void testBotTokenIsLoaded() {
-        // Проверяем, что значение не пустое
         assertNotNull(botToken, "Bot token should not be null");
-        System.out.println("Bot Token: " + botToken); // Для отладки
+        assertTrue(botToken.length() > 30, "Bot token should be longer than 30 characters");
+        assertTrue(botToken.matches("^\\d+:\\w+$"), "Bot token should match expected format");
+    }
+
+    @Test
+    void testBotTokenSecurity() {
+        assertFalse(botToken.contains(" "), "Bot token should not contain spaces");
+        assertFalse(botToken.contains("\n"), "Bot token should not contain newlines");
     }
 }