flyway_testcontainers_test.kt

@Testcontainers
class DatabaseMigrationsTest {

  @Container
  val postgresContainer = PostgresContainer("postgres:10.6")
    .withDatabaseName("db")
    .withUsername("user")
    .withPassword("password")

  @Test
  fun testSomethingOnYourCustomerTable() {
    testAfterMigration(postgresContainer) { pgClient ->
      val one = pgClient.preparedQueryAwait("select 1 from customers")
        .first()
        .getInt(0)
      assertThat(one).isEqualTo(1)
    }
  }

}