Added appropriate instances for Scala 2 for some but not all derivers (…

…#299)

* Added appropriate instances for Scala 2 for some but not all derivers

* Add evaluator-tests as a yarn workspace

* Add ZIO integration for reading MorphirIR from file

* Formatting

* Remove un-needed tests

build.sc

@@ -451,7 +451,12 @@ trait MorphirModule extends Cross.Module[String] with CrossPlatform { morphir =>
 
     object jvm extends Shared with MorphirJVMModule {
       object test extends ScalaTests with TestModule.ZioTest {
-        def ivyDeps    = Agg(Deps.dev.zio.`zio-test`, Deps.dev.zio.`zio-test-sbt`)
+        def ivyDeps = Agg(
+          Deps.com.lihaoyi.`os-lib`,
+          Deps.com.lihaoyi.sourcecode,
+          Deps.dev.zio.`zio-test`,
+          Deps.dev.zio.`zio-test-sbt`
+        )
         def moduleDeps = super.moduleDeps ++ Agg(testing.zio.jvm)
       }
     }
@@ -460,6 +465,7 @@ trait MorphirModule extends Cross.Module[String] with CrossPlatform { morphir =>
       object test extends ScalaJSTests with TestModule.ZioTest {
         def ivyDeps    = Agg(Deps.dev.zio.`zio-test`, Deps.dev.zio.`zio-test-sbt`)
         def moduleDeps = super.moduleDeps ++ Agg(testing.zio.js)
+        def moduleKind = ModuleKind.CommonJSModule
       }
     }
 

examples/morphir-elm-projects/evaluator-tests/package.json

@@ -0,0 +1,10 @@
+{
+    "name": "morphir-scala-evaluator-tests",
+    "private": true,
+    "devDependencies": {
+        "morphir-elm": "2.80.0"
+    },
+    "scripts": {
+        "make": "morphir-elm make -f"
+    }
+}

morphir/runtime/jvm/src/org/finos/morphir/runtime/EvaluationLibraryPlatformSpecific.scala

@@ -12,6 +12,7 @@ import org.finos.morphir.ir.MorphirIRFile
 import org.finos.morphir.runtime.MorphirRuntime
 import scala.io.Source
 import zio.json.*
+import zio.*
 import org.finos.morphir.ir.json.MorphirJsonSupport.*
 import org.finos.morphir.runtime.quick.{EvaluatorQuick, Store}
 
@@ -42,4 +43,12 @@ trait EvaluationLibraryPlatformSpecific {
       .getOrElse(throw new Exception(s"Failed to load $fileName as distribution"))
       .distribution
   }
+
+  def loadDistributionFromFileZIO(fileName: String): Task[Distribution] =
+    for {
+      fileContents <- ZIO.readFile(fileName)
+      morphirIRFile <- ZIO.fromEither(fileContents.fromJson[MorphirIRFile])
+        .mapError(MorphirIRDecodingError(_))
+    } yield morphirIRFile.distribution
+
 }

morphir/runtime/src/org/finos/morphir/runtime/MorphirRuntimeError.scala

@@ -2,25 +2,27 @@ package org.finos.morphir.runtime
 
 sealed abstract class MorphirRuntimeError(message: String) extends Exception(message)
 
-case class DerivationError(message: String)            extends MorphirRuntimeError(message)
-case class DatamodelToIrError(message: String)         extends MorphirRuntimeError(message)
+final case class DerivationError(message: String)        extends MorphirRuntimeError(message)
+final case class DatamodelToIrError(message: String)     extends MorphirRuntimeError(message)
+final case class MorphirIRDecodingError(message: String) extends MorphirRuntimeError(message)
+
 sealed abstract class EvaluationError(message: String) extends MorphirRuntimeError(message)
 sealed abstract class TypeError(message: String)       extends MorphirRuntimeError(message)
 
-case class IrToDatamodelError(message: String)         extends EvaluationError(message)
-case class MissingField(message: String)               extends EvaluationError(message)
-case class UnexpectedType(message: String)             extends EvaluationError(message)
-case class UnmatchedPattern(message: String)           extends EvaluationError(message)
-case class FunctionWithoutParameters(message: String)  extends EvaluationError(message)
-case class VariableNotFound(message: String)           extends EvaluationError(message)
-case class DefinitionNotFound(message: String)         extends EvaluationError(message)
-case class SpecificationNotFound(message: String)      extends EvaluationError(message)
-case class ConstructorNotFound(message: String)        extends EvaluationError(message)
-case class TypeNotFound(message: String)               extends EvaluationError(message)
-case class ResultDoesNotMatchType(message: String)     extends EvaluationError(message)
-case class FunctionReturnedToTopLevel(message: String) extends EvaluationError(message)
-case class UnsupportedTypeParameter(message: String)   extends EvaluationError(message)
-case class UnsupportedType(message: String)            extends EvaluationError(message)
-case class NotImplemented(message: String)             extends EvaluationError(message)
+final case class IrToDatamodelError(message: String)         extends EvaluationError(message)
+final case class MissingField(message: String)               extends EvaluationError(message)
+final case class UnexpectedType(message: String)             extends EvaluationError(message)
+final case class UnmatchedPattern(message: String)           extends EvaluationError(message)
+final case class FunctionWithoutParameters(message: String)  extends EvaluationError(message)
+final case class VariableNotFound(message: String)           extends EvaluationError(message)
+final case class DefinitionNotFound(message: String)         extends EvaluationError(message)
+final case class SpecificationNotFound(message: String)      extends EvaluationError(message)
+final case class ConstructorNotFound(message: String)        extends EvaluationError(message)
+final case class TypeNotFound(message: String)               extends EvaluationError(message)
+final case class ResultDoesNotMatchType(message: String)     extends EvaluationError(message)
+final case class FunctionReturnedToTopLevel(message: String) extends EvaluationError(message)
+final case class UnsupportedTypeParameter(message: String)   extends EvaluationError(message)
+final case class UnsupportedType(message: String)            extends EvaluationError(message)
+final case class NotImplemented(message: String)             extends EvaluationError(message)
 
-case class TooManyArgs(message: String) extends EvaluationError(message)
+final case class TooManyArgs(message: String) extends EvaluationError(message)

morphir/runtime/src/org/finos/morphir/runtime/TypedMorphirRuntime.scala

@@ -8,7 +8,7 @@ import Utils.*
 import org.finos.morphir.ir.distribution.Distribution
 import org.finos.morphir.ir.conversion.*
 import org.finos.morphir.datamodel.Util.*
-import org.finos.morphir.datamodel.{:: as _, *}
+import org.finos.morphir.datamodel.*
 
 //TODO: Specify "Either" on lower level
 trait TypedMorphirRuntime extends MorphirRuntime[Either, scala.Unit, UType] {