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@iref
Last active August 29, 2015 14:09
Implicits session is not found in passed anonymous function
package models
import org.specs2.mutable.Specification
import play.api.Play.current
import play.api.db.slick.{DB, Session}
import play.api.db.slick.Config.driver.simple._
import play.api.test.FakeApplication
import play.api.test.Helpers._
class UserSpec extends Specification {
"UserRepository" should {
"save new user" in {
withDatabase {
val user = User("Octocat", "octocat@github.com")
val savedUser = Users.save(user)
val foundUser = Users.find(savedUser.id.get).get
foundUser.name must beEqualTo("Octocat")
foundUser.email must beEqualTo("octocat@github.com")
}
}
}
def withDatabase[T](test: => T): T =
running(FakeApplication(additionalConfiguration = inMemoryDatabase())) {
DB.withSession { implicit session: Session =>
test
}
}
}
@iref
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iref commented Nov 14, 2014

Scala can't resolve implicit session for Users.save if its in passed block.
Compilation error is

could not find implicit value for parameter session: play.api.db.slick.Config.driver.simple.Session
[error]       val savedUser = Users.save(user)

@iref
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iref commented Nov 14, 2014

If I wrap test directly in DB.withSession, e.g.

"save new user" in {
  running(FakeApplication(additionalConfiguration = inMemoryDatabase())) {
    DB.withSession { implicit session: Session =>
      val user = User("Octocat", "octocat@github.com")
      val savedUser = Users.save(user)
      val foundUser = Users.find(savedUser.id.get).get
      foundUser.name must beEqualTo("Octocat")
      foundUser.email must beEqualTo("octocat@github.com")
    }
  }
}

Spec file is compiled without any problems.

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