[트러블 슈팅] - IllegalStateException

[문제 발생]

Caused by: java.lang.IllegalStateException: Failed to replace DataSource with an embedded database for tests. If you want an embedded database please put a supported one on the classpath or tune the replace attribute of @AutoConfigureTestDatabase.

package com.extension.persistence;

import com.extension.domain.entity.Extension;
import com.extension.domain.entity.ExtensionType;
import jakarta.persistence.EntityManager;
import jakarta.persistence.PersistenceContext;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;

import java.util.Optional;

import static org.junit.jupiter.api.Assertions.*;

@DataJpaTest
class ExtensionRepositoryTest {
    @PersistenceContext
    EntityManager entityManager;

    @Autowired
    private ExtensionRepository extensionRepository;

    @BeforeEach
    void setUp() {
    }

    @Test
    public void testFindByExtensionType() {
        // Given
        String targetExtensionType = "bat";

        Extension extension1 = Extension.createExtension(ExtensionType.BAT);
        entityManager.persist(extension1);

        // When
        Optional<Extension> foundExtension = extensionRepository.findByExtensionType(targetExtensionType);

        // Then
        assertTrue(foundExtension.isPresent(), "Extension not found");
        Extension extension = foundExtension.get();
        // 추가적인 검증을 수행하거나 로깅할 수 있습니다.
    }

}

 

[해결 방법]

package com.extension.persistence;

import com.extension.domain.entity.Extension;
import com.extension.domain.entity.ExtensionType;
import jakarta.persistence.EntityManager;
import jakarta.persistence.PersistenceContext;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;

import java.util.Optional;

import static org.junit.jupiter.api.Assertions.*;

@DataJpaTest
@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
class ExtensionRepositoryTest {
    @PersistenceContext
    EntityManager entityManager;

    @Autowired
    private ExtensionRepository extensionRepository;

    @BeforeEach
    void setUp() {
    }

    @Test
    public void testFindByExtensionType() {
        // Given
        String targetExtensionType = "bat";

        Extension extension1 = Extension.createExtension(ExtensionType.BAT);
        entityManager.persist(extension1);

        // When
        Optional<Extension> foundExtension = extensionRepository.findByExtensionType(targetExtensionType);

        // Then
        assertTrue(foundExtension.isPresent(), "Extension not found");
        Extension extension = foundExtension.get();
        // 추가적인 검증을 수행하거나 로깅할 수 있습니다.
    }

}

- @AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)

해당 애너테이션을 달아주면 된다고 친절하게 나와있다>~