??

??/???? ???? ?? ??? ???? ?? ?? ??? ??? ?? ??? ???. ? ????? ??? ??? ??? ???? ??? ???? ?? Spring Testcontainers?? ?? ????? ?? ??? ??? ????.
??????? ??? ?? ???? ??? ? ?? CRUD ??? ?? ?? ???? ???. ?? TestDeleteUserByID_ShouldReturnOk()? ?? ???? 2015??? ??? ???? ?? ??? ??? ??? '???' ????? ??? ? ?? ?? ??? ?????? ???? ?? ?????. ??♂?
??? ??? ???? ?? ??? ???? ???? ?????? ????? ?? ???? ??? ? ????. ?? ??, ???? ???? ???? ?? ????? ??? ?? ???? ???? ??????? ?? ??? ??? ? ????.
??? ?? ?? ??? ??? ?????. ???? ??????

??? ???? ??? ???? ?? ?? ??? ???? ???? ???? ???? ???? ??? ???? ??? ??????? ??? ??? ?? ???.

?? H2DB? ?? ???? ??????? ??? ?? ?? ????? ? ?? ??? ????. ??? ??? ?? H2DB? RDBMS? ??? ??? ?? ??? ???? ???? ??? ??? ?? ???? ?? ? ??? ??? ? ????.

https://stackoverflow.com/questions/62778900/syntax-error-h2-database-in-postgresql-compatibility

??? ?? ?? ???? ??????? ???? ????? ??? ???? ? ??? ?? ??? ???? ????. ??? ? ???? ??? ????. ORM? ???? ?????? ???? ?? ? ??? ?????? ?? ???? ??? ?? ??????? ??? ??? ???? ??? ?? ???? ???.

??????, ??? ??? ? ?????? ? ?? ?? ?? ??????.

"Testcontainers? JUnit ???? ???? Java ??????, ?? ??????, Selenium ? ???? ?? Docker ?????? ??? ? ?? ?? ??? ??? ??? ????? ?????."

?? Java??? ?????? ?? Go, Rust ? .NET? ?? ?? ??? ????? ???????.

Testcontainers? ?? ????? IDE?? ??? ? ?? ??? ???? ???? ????. ??? ?? ???? ???? ??? ?? ?? ?? ??? ?? ???? ??? ? ????.

?? ????? ? ??? ??? ???.

• Docker ????? ???? ??? ???? ???? ???? ???? ? ??? ??? ???? ????? ??????? ?????.
• ???? ????? ???? ?????.
• ???? ???? ???? ???? ???? ??

??? ???? ????? ??

Spring Boot ??? ???? ??

?? ???? ?? ???? ApplicationIntegrationTests??? ?? PostgreSQLContainer? ?????. ? ????? ? ????? ??? ?? ??? ?????? ?????.

@Testcontainers ??? ???? @Container ??? ?? ?? ??? ???? ?? ???? ?? ?? ???? ???? ????? ??? ? ????.

• ?? ??? ??? ????? ??? ??? ?? ?????. ??? ???? ???? ?? ? ?? ???? ??? ??? ???? ??? ?? ?????.
• ???? ??? ??? ????? ??? ????? ???? ?????.

@DynamicPropertySource ??? ???? ??? ??? ??? ???? ??? ? ????.

@Testcontainers
@ActiveProfiles("test")
public abstract class ApplicationIntegrationTests {
    @Container
    protected static PostgreSQLContainer<?> postgres=new PostgreSQLContainer<>("postgres:17.2-alpine")
            .withDatabaseName("testcontainersproject")
            .withUsername("root")
            .withPassword("root");

    @DynamicPropertySource
    static void initialize(DynamicPropertyRegistry registry)
    {
        registry.add("spring.datasource.url",postgres::getJdbcUrl);
        registry.add("spring.datasource.username",postgres::getUsername);
        registry.add("spring.datasource.password",postgres::getPassword);
    }


}

?? @Testcontainers ? @Container ??? ???? ?? @BeforeAll ? @AfterAll? ???? ???? ????? ?? ??? ? ????. ? ?? ??? ???? ????? ???? ???? ??? ??? ? ????? ??? ? ????

@BeforeAll
public static void runContainer(){
        postgres.start();
}
@AfterAll
static void stopContainers() {
    postgres.stop();
}

@AfterAll ?? ?????? Postgres ????? ????? ?????. ??? ????? ????? ???? ???? Testcontainers? ??? ??? ??? ???? ????? ???? ?????.

?? ??? ?? ApplicationIntegrationTests? ???? ?? ???? ??? ? ????.

@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@AutoConfigureMockMvc
public class CategoryControllerTest extends ApplicationIntegrationTests {
    private static final String CATEGORY_ENDPOINT="/categories";
   @Autowired
    private MockMvc mockMvc;
    @Autowired
    private CategoryRepository categoryRepository;

    @Test
    void TestGetAllCategories_ShouldReturnOk() throws Exception {

        List<Category> categories = List.of(
                new Category("Electronics", "All kinds of electronic gadgets from smartphones to laptops"),
                new Category("Books", "A wide range of books from novels to educational textbooks")
        );
        categoryRepository.saveAll(categories);
        MvcResult mvcResult=mockMvc.perform(
                get(CATEGORY_ENDPOINT).
                        contentType(MediaType.APPLICATION_JSON)
        )
                .andExpect(status().isOk())
                .andReturn();
        var response=mvcResult.getResponse().getContentAsString();
        assertNotNull(response);
        assertFalse(response.isEmpty());
    }
}

? ??? ??/???? ???: Spring Boot ??? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!