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package mill.define
import mill.discover.Discovered
import mill.eval.Evaluator
import mill.util.{DummyLogger, OSet}
import mill.T
import utest._
import utest.framework.TestPath
object CacherTests extends TestSuite{
object Base extends Base
trait Base extends Task.Module{
def value = T{ 1 }
}
object Middle extends Middle
trait Middle extends Base{
override def value = T{ super.value() + 2}
def overriden = T{ super.value()}
}
object Terminal extends Terminal
trait Terminal extends Middle{
override def value = T{ super.value() + 4}
}
val tests = Tests{
def eval[T: Discovered, V](base: T, v: Task[V])(implicit tp: TestPath) = {
val workspace = ammonite.ops.pwd / 'target / 'workspace / tp.value
val evaluator = new Evaluator(workspace, Discovered.mapping(base), DummyLogger)
evaluator.evaluate(OSet(v)).values(0)
}
'simpleDefIsCached - assert(
Base.value eq Base.value,
eval(Base, Base.value) == 1
)
'overridingDefIsAlsoCached - assert(
eval(Middle, Middle.value) == 3,
Middle.value eq Middle.value
)
'overridenDefRemainsAvailable - assert(
eval(Middle, Middle.overriden) == 1
)
'multipleOverridesWork- assert(
eval(Terminal, Terminal.value) == 7,
eval(Terminal, Terminal.overriden) == 1
)
}
}
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