global_before.scala

import org.specs2._
import execute.AsResult
import mutable.Around


/* this scope is incidentally lazy since the singleton never gets constructed if code that uses it isn't executed */
object databaseScope extends Around {
  def setupDB { println("#####################\nBUILDING DATABASE\n#####################") }
  setupDB
  def around[T: AsResult](t: => T) = AsResult(t)
}

/* this scope is explicitly lazy */
object lazyDatabaseScope extends Around {
  lazy val setupDB = { println("#####################\nBUILDING DATABASE\n#####################") }
  def around[T: AsResult](t: => T) = {
    setupDB
    AsResult(t)
  }
}

class FooSpecification extends mutable.Specification {

  "Some unit test" >> {
    "I don't need the database" in {0 == 0}
  }

}

class BarSpecification extends mutable.Specification {

  "DB Stuff" >> {
    "doesnt need database" in {0 == 0}
    "connect to db" in lazyDatabaseScope {0 == 0}
    "connect to db again" in lazyDatabaseScope { 0 == 0 }
    "connect to db again" in lazyDatabaseScope { 0 == 0 }
    "connect to db again" in lazyDatabaseScope { 0 == 0 }
  }

}

class BazSpecification extends mutable.Specification {

  "DB Stuff" >> {
    "doesnt need database" in {0 == 0}
    "connect to db" in lazyDatabaseScope {0 == 0}
    "connect to db again" in lazyDatabaseScope { 0 == 0 }
    "connect to db again" in lazyDatabaseScope { 0 == 0 }
    "connect to db again" in lazyDatabaseScope { 0 == 0 }
  }

}