feat: add and impl JwtUtilsTest

Author: Kattsyn

rentplace/src/test/java/kattsyn/dev/rentplace/utils/JwtUtilsTest.java

@@ -0,0 +1,25 @@
+package kattsyn.dev.rentplace.utils;
+
+import io.jsonwebtoken.Claims;
+import kattsyn.dev.rentplace.auth.JwtAuthentication;
+import kattsyn.dev.rentplace.enums.Role;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+class JwtUtilsTest {
+
+    @Test
+    void generate_JwtAuthenticationWithCorrectFields() {
+        Claims claims = mock(Claims.class);
+        when(claims.getSubject()).thenReturn("user@test.com");
+        when(claims.get("name", String.class)).thenReturn("Test User");
+        when(claims.get("role", String.class)).thenReturn("ROLE_USER");
+
+        JwtAuthentication auth = JwtUtils.generate(claims);
+
+        assertEquals("user@test.com", auth.getEmail());
+        assertEquals(Role.ROLE_USER, auth.getRole());
+    }
+}