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package mill.define
import mill.eval.Evaluator
import mill.util.{DummyLogger, 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{
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[V](mapping: mill.Module, discover: Discover, v: Task[V])(implicit tp: TestPath) = {
val workspace = ammonite.ops.pwd / 'target / 'workspace / tp.value
val evaluator = new Evaluator(workspace, ammonite.ops.pwd, mapping, discover, DummyLogger)
evaluator.evaluate(Agg(v)).values(0)
}
'simpleDefIsCached - assert(
Base.value eq Base.value,
eval(Base, Discover[Base.type], Base.value) == 1
)
'resultDefIsCached - assert(
Base.result eq Base.result,
eval(Base, Discover[Base.type], Base.result) == 1
)
'overridingDefIsAlsoCached - assert(
eval(Middle, Discover[Middle.type], Middle.value) == 3,
Middle.value eq Middle.value
)
'overridenDefRemainsAvailable - assert(
eval(Middle, Discover[Middle.type], Middle.overriden) == 1
)
'multipleOverridesWork- assert(
eval(Terminal, Discover[Terminal.type], Terminal.value) == 7,
eval(Terminal, Discover[Terminal.type], 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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