Created
June 26, 2019 16:48
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package slickzio | |
import org.scalatest.{FlatSpec, Matchers} | |
import slick.basic.BasicBackend | |
import slick.dbio.DBIO | |
import slick.jdbc.{H2Profile, JdbcProfile} | |
import zio.internal.PlatformLive | |
import zio.{Runtime, ZIO} | |
class SlickZioSpec extends FlatSpec with Matchers { | |
implicit val profile: JdbcProfile = H2Profile | |
val action: DBIO[Int] = { | |
import profile.api._ | |
sql"select 1".as[Int].head | |
} | |
type SlickZIO[T] = ZIO[BasicBackend#DatabaseDef, Throwable, T] | |
object SlickZIO { | |
def apply[T](action: DBIO[T]): SlickZIO[T] = { | |
for { | |
db <- ZIO.environment[BasicBackend#DatabaseDef] | |
res <- ZIO.fromFuture(implicit executionContext => db.run(action)) | |
} yield res | |
} | |
} | |
implicit def DBIO2SlickZIO[T](dbio: DBIO[T]): SlickZIO[T] = SlickZIO(dbio) | |
"all manual: simple select using zio" should "also work" in { | |
import profile.api._ | |
val dbRuntime = | |
Runtime(Database.forDriver(org.h2.Driver.load(), "jdbc:h2:mem:"), | |
PlatformLive.Default) | |
dbRuntime.unsafeRun(action) shouldBe 1 | |
} | |
} |
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