Add some tests to verify Cacher happy-paths

1 files changed, 50 insertions, 0 deletions

diff --git a/core/src/test/scala/forge/CacherTests.scala b/core/src/test/scala/forge/CacherTests.scala
new file mode 100644
index 00000000..4c346e5e
--- /dev/null
+++ b/core/src/test/scala/forge/CacherTests.scala
@@ -0,0 +1,50 @@
+package forge
+
+import forge.util.OSet
+import utest._
+import utest.framework.TestPath
+
+object CacherTests extends TestSuite{
+  object Base extends Base
+  trait Base extends Target.Cacher{
+    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: Target[V])(implicit tp: TestPath) = {
+      val workspace = ammonite.ops.pwd / 'target / 'workspace / tp.value
+      val evaluator = new Evaluator(workspace, Discovered.mapping(base))
+      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
+    )
+  }
+}