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package mill.define
import mill.util.{DummyLogger, TestEvaluator, TestUtil}
import mill.util.Strict.Agg
import mill.T
import mill.eval.Result.Success
import utest._
import utest.framework.TestPath
object CacherTests extends TestSuite{
object Base extends Base
trait Base extends TestUtil.BaseModule{
def value = T{ 1 }
def result = T{ Success(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 <: TestUtil.BaseModule, V](mapping: T, v: Task[V])
(implicit tp: TestPath) = {
val evaluator = new TestEvaluator(mapping)
evaluator(v).right.get._1
}
def check(x: Any, y: Any) = assert(x == y)
'simpleDefIsCached - {
Predef.assert(Base.value eq Base.value)
Predef.assert(eval(Base, Base.value) == 1)
}
'resultDefIsCached - {
Predef.assert(Base.result eq Base.result)
Predef.assert(eval(Base, Base.result) == 1)
}
'overridingDefIsAlsoCached - {
Predef.assert(eval(Middle, Middle.value) == 3)
Predef.assert(Middle.value eq Middle.value)
}
'overridenDefRemainsAvailable - {
Predef.assert(eval(Middle, Middle.overriden) == 1)
}
'multipleOverridesWork- {
Predef.assert(eval(Terminal, Terminal.value) == 7)
Predef.assert(eval(Terminal, Terminal.overriden) == 1)
}
// Doesn't fail, presumably compileError doesn't go far enough in the
// compilation pipeline to hit the override checks
//
// 'overrideOutsideModuleFails - {
// compileError("""
// trait Foo{
// def x = 1
// }
// object Bar extends Foo{
// def x = 2
// }
// """)
// }
}
}
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