add test stub

Author: pjfanning

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

@@ -472,17 +472,27 @@ class ModelPropertyParserTest extends AnyFlatSpec with BeforeAndAfterEach with M
   it should "default to supplied schema if it can't be corrected" in new PropertiesScope[ModelWMapStringCaseClass] {
     schemas should have size 2
 
+    nullSafeSeq(model.value.getRequired) shouldBe empty
     val mapField = model.value.getProperties.get("maybeMapStringCaseClass")
     mapField shouldBe a[MapSchema]
     mapField.getAdditionalProperties shouldBe a[Schema[_]]
     mapField.getAdditionalProperties.asInstanceOf[Schema[_]].get$ref() shouldBe "#/components/schemas/SomeCaseClass"
 
-
     val caseClassField = schemas("SomeCaseClass")
     caseClassField shouldBe a[Schema[_]]
     caseClassField.getProperties.get("field") shouldBe an[IntegerSchema]
   }
 
+  it should "handle Option[Map[String, Long]]" in new PropertiesScope[ModelWMapStringLong] {
+    schemas should have size 1
+
+    nullSafeSeq(model.value.getRequired) shouldBe empty
+    val mapField = model.value.getProperties.get("maybeMapStringLong")
+    mapField shouldBe a[MapSchema]
+    nullSafeMap(mapField.getProperties) shouldBe empty
+    mapField.getAdditionalProperties shouldBe a[Schema[_]]
+  }
+
   it should "process Model with Scala Seq" in new PropertiesScope[ModelWSeqString] {
     schemas should have size 1
     val stringsField = model.value.getProperties.get("strings")

src/test/scala/models/ModelWSeqString.scala

@@ -12,4 +12,6 @@ case class SomeCaseClass(field: Int)
 
 case class ModelWMapStringCaseClass(maybeMapStringCaseClass: Option[Map[String, SomeCaseClass]])
 
+case class ModelWMapStringLong(maybeMapStringLong: Option[Map[String, Long]])
+
 case class ModelWJavaMapString(strings: java.util.Map[String, String])