test: league manager create if username exists

service/src/test/java/cz/muni/fi/pa165/icehockeymanager/services/UserAuthServiceImplTest.java

@@ -2,6 +2,7 @@ package cz.muni.fi.pa165.icehockeymanager.services;
 
 import cz.muni.fi.pa165.icehockeymanager.config.ApplicationConfig;
 import cz.muni.fi.pa165.icehockeymanager.dao.UserAuthDao;
+import cz.muni.fi.pa165.icehockeymanager.exceptions.UsernameTakenException;
 import cz.muni.fi.pa165.icehockeymanager.model.User;
 import org.assertj.core.api.SoftAssertions;
 import org.assertj.core.api.junit.jupiter.InjectSoftAssertions;
@@ -14,11 +15,14 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
 
+import javax.persistence.EntityExistsException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
 
+import static org.assertj.core.api.AssertionsForClassTypes.assertThatExceptionOfType;
+import static org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.doAnswer;
@@ -98,6 +102,19 @@ class UserAuthServiceImplTest {
         ).isNotEmpty();
     }
 
+    @Test
+    public void createNewLeagueManagerUsernameExists() {
+        ArgumentCaptor<User> valueCapture = ArgumentCaptor.forClass(User.class);
+        doAnswer(
+                (invocation) -> {
+                    throw new EntityExistsException();
+                }
+        ).when(userAuthDaoMock).create(valueCapture.capture());
+
+        assertThatExceptionOfType(UsernameTakenException.class)
+                .isThrownBy(() -> authService.createLeagueManager(NEW_USERNAME, NEW_PASSWORD));
+    }
+
     private void buildMockDB() {
         String password = argonEncoder.encodePassword(CORRECT_PASSWORD);
         user1 = buildUser(1L, CORRECT_USERNAME, password);