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September 20, 2024 15:16
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| package com.hannahhaken.dining_review.repository; | |
| import com.hannahhaken.dining_review.model.User; | |
| import jakarta.inject.Inject; | |
| import jakarta.persistence.EntityManager; | |
| import jakarta.persistence.PersistenceContext; | |
| import org.hibernate.exception.ConstraintViolationException; | |
| import org.junit.jupiter.api.Test; | |
| import org.springframework.beans.factory.annotation.Autowired; | |
| import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest; | |
| import org.springframework.dao.DataIntegrityViolationException; | |
| import org.springframework.test.context.ActiveProfiles; | |
| import static org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy; | |
| import static org.hamcrest.MatcherAssert.assertThat; | |
| import static org.hamcrest.Matchers.notNullValue; | |
| import static org.junit.jupiter.api.Assertions.assertEquals; | |
| @DataJpaTest | |
| @ActiveProfiles("test") | |
| public class UserRepositoryTest { | |
| @Autowired | |
| private UserRepository userRepository; | |
| @PersistenceContext | |
| private EntityManager entityManager; | |
| @Test | |
| public void can_create_and_retrieve_user() { | |
| //given | |
| User expectedUser = new User(); | |
| expectedUser.setUsername("Cloud Strife"); | |
| expectedUser.setCity("Manchester"); | |
| expectedUser.setCountry("England"); | |
| userRepository.save(expectedUser); | |
| //when | |
| User newUser = userRepository.findByUsername("Cloud Strife"); | |
| //then | |
| assertThat("User ID should not be null", newUser.getId(), notNullValue()); | |
| assertEquals(expectedUser.getUsername(), newUser.getUsername()); | |
| assertEquals(expectedUser.getCity(), newUser.getCity()); | |
| assertEquals(expectedUser.getCountry(), newUser.getCountry()); | |
| } | |
| @Test | |
| public void whenSavingUser_shouldNotAllowMultipleUsersWithTheSameUsername() { | |
| String duplicateUsername = "Cloud Strife"; | |
| User firstUser = testUser(duplicateUsername); | |
| userRepository.save(firstUser); | |
| entityManager.flush(); // Manually flush to apply changes | |
| User duplicateUser = testUser(duplicateUsername); | |
| userRepository.save(duplicateUser); | |
| // Expect an exception when trying to save the second user | |
| assertThatThrownBy(() -> entityManager.flush()) | |
| .isInstanceOf(ConstraintViolationException.class) | |
| .hasMessageContaining("could not execute statement"); | |
| } | |
| private User testUser(String username) { | |
| User user = new User(); | |
| user.setUsername(username); | |
| return user; | |
| } | |
| } |
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