add java enum test

(cherry picked from commit 476d7ff)

Author: pjfanning

src/test/java/models/Level.java

@@ -0,0 +1,7 @@
+package models;
+
+enum Level {
+    LOW,
+    MEDIUM,
+    HIGH
+}

src/test/scala/com/github/swagger/scala/converter/ScalaModelTest.scala

@@ -48,6 +48,17 @@ class ScalaModelTest extends AnyFlatSpec with Matchers {
     sp.getEnum().asScala.toSet shouldEqual Set("a", "b")
   }
 
+  it should "extract a java enum" in {
+    val schemas = ModelConverters.getInstance().readAll(classOf[ModelWithJavaEnum]).asScala
+    val userSchema = schemas("ModelWithJavaEnum")
+
+    val level = userSchema.getProperties().get("level")
+    level shouldBe a[StringProperty]
+
+    val sp = level.asInstanceOf[StringProperty]
+    sp.getEnum().asScala.toSet shouldEqual Set("LOW", "MEDIUM", "HIGH")
+  }
+
   it should "read a scala case class with properties" in {
     val schemas = ModelConverters.getInstance().readAll(classOf[SimpleUser]).asScala
     val userSchema = schemas("SimpleUser")

src/test/scala/models/EnumModels.scala

@@ -31,3 +31,5 @@ object TestEnum extends Enumeration {
   val AEnum = Value("a")
   val BEnum = Value("b")
 }
+
+case class ModelWithJavaEnum(level: Level)