account should be invalid for invalid credentials

src/test/java/hs/fulda/de/ci/exam/project/AccountServiceTest.java

@@ -2,7 +2,9 @@ package hs.fulda.de.ci.exam.project;
 
 import org.junit.Before;
 import org.junit.Test;
+import org.mockito.InOrder;
 
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.*;
@@ -37,6 +39,26 @@ public class AccountServiceTest {
         verify(passwordEncoder).encode(PASSWORD);
     }
 
+    @Test
+    public void shouldBEInvalidForInvalidId() {
+        boolean accountIsValid = accountService.isValidAccount("invalid id", PASSWORD);
+        assertFalse(accountIsValid);
+
+        InOrder inOrder = inOrder(accountRepository, passwordEncoder);
+        inOrder.verify(accountRepository).findById("invalid id");
+        inOrder.verify(passwordEncoder, never()).encode(anyString());
+    }
+
+    @Test
+    public void shouldBeInvalidForInvalid(){
+        boolean accountIsValid = accountService.isValidAccount("invalid id", PASSWORD);
+        assertFalse(accountIsValid);
+
+        InOrder inOrder = inOrder(accountRepository, passwordEncoder);
+        inOrder.verify(accountRepository).findById("invalid id");
+        inOrder.verify(passwordEncoder, never()).encode(anyString());
+    }
+
     private AccountRepository createAccountRepository() {
         AccountRepository mock = mock(AccountRepository.class);
         when(mock.findById(ENABLED_USER.getId())).thenReturn(ENABLED_USER);