Refactor main files to test files

src/test/scala/fetch/FetchServiceSpec.scala

@@ -0,0 +1,52 @@
+package fetch
+
+import cats.effect.IO
+import cats.effect.unsafe.implicits.global
+import cats.implicits.toTraverseOps
+import db.DBService
+import org.scalatest.funsuite.AnyFunSuite
+import org.scalatest.matchers.should.Matchers
+import org.typelevel.log4cats.slf4j.Slf4jLogger
+
+import java.time.LocalDateTime
+
+class FetchServiceSpec extends AnyFunSuite with Matchers {
+//    def fetchInRange: IO[Unit] = {
+//      val from = LocalDateTime.of(2023, 4, 28, 10, 0)
+//      val to = LocalDateTime.of(2023, 4, 28, 13, 30)
+//      for {
+//        log <- Slf4jLogger.create[IO]
+//        fetch <- FetchService.of
+//        //      fetchResultEither <- fetch.fetchFromDate(LocalDate.of(2023, 4, 28)).attempt
+//        fetchResultEither <- fetch.fetchInRange(from, to).attempt
+//        fetchServiceError = fetchResultEither.left.toOption.map(e => s"FetchServiceError: ${e.getMessage}").toList
+//        fetchResult = fetchResultEither.getOrElse(List.empty)
+//        (fetchErrors, successDownloads) = fetchResult.partitionMap(identity)
+//        dbService <- DBService.of
+//        saveResults <- successDownloads.traverse { case (name, content) => dbService.save(name, content) }
+//        (saveErrors, successSaves) = saveResults.partitionMap(identity)
+//        successes = successDownloads.map(s => s"fetched: ${s._1}") ++ successSaves.map(s => s"saved: $s")
+//        errors = fetchServiceError ++ fetchErrors.map(e => s"FetchError: ${e.getMessage}") ++ saveErrors.map(e => s"SaveError: ${e.getMessage}")
+//        _ <- log.info(s"errors: $errors")
+//        _ <- log.info(s"successes: $successes")
+//      } yield (successes, errors)
+//    }
+//
+//  def fetchSingleFile: IO[Unit] = {
+//    for {
+//      fetch <- FetchService.of
+//      fetchResultEither <- fetch.fetchSingleFile("20230524_0030.csv").attempt
+//      fetchResultEither <- fetch.fetchSingleFile("20230522_0130.csv").attempt
+//      fetchServiceError = fetchResultEither.left.toOption.map(e => s"FetchServiceError: ${e.getMessage}").toList
+//      fetchResult = fetchResultEither.flatMap(res => res.flatMap(aaa => {
+//        println(s"fffffff: ${aaa._1}")
+//        Right(aaa._1)
+//      }))
+//      //      _ = println(s"${fetchResult.map()}")
+//    } yield ()
+//  }
+//
+//  def main(args: Array[String]): Unit = {
+//    run.unsafeRunSync()
+//  }
+}