refs #4247 - fix composed schema resolving on props

Author: frantuma

modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java

@@ -327,6 +327,9 @@ public Schema resolve(AnnotatedType annotatedType, ModelConverterContext context
             return new Schema();
         }
 
+        List<Class<?>> composedSchemaReferencedClasses = getComposedSchemaReferencedClasses(type.getRawClass(), annotatedType.getCtxAnnotations(), resolvedSchemaAnnotation);
+        boolean isComposedSchema = composedSchemaReferencedClasses != null;
+
         if (isPrimitive) {
             XML xml = resolveXml(beanDesc.getClassInfo(), annotatedType.getCtxAnnotations(), resolvedSchemaAnnotation);
             if (xml != null) {
@@ -346,7 +349,9 @@ public Schema resolve(AnnotatedType annotatedType, ModelConverterContext context
                 // Return the model as a ref only property
                 model = new Schema().$ref(Components.COMPONENTS_SCHEMAS_REF + name);
             }
-            return model;
+            if (!isComposedSchema) {
+                return model;
+            }
         }
 
         /**
@@ -384,9 +389,6 @@ public Schema resolve(AnnotatedType annotatedType, ModelConverterContext context
             return context.resolve(aType);
         }
 
-        List<Class<?>> composedSchemaReferencedClasses = getComposedSchemaReferencedClasses(type.getRawClass(), annotatedType.getCtxAnnotations(), resolvedSchemaAnnotation);
-        boolean isComposedSchema = composedSchemaReferencedClasses != null;
-
         if (type.isContainerType()) {
             // TODO currently a MapSchema or ArraySchema don't also support composed schema props (oneOf,..)
             isComposedSchema = false;

modules/swagger-core/src/test/java/io/swagger/v3/core/resolving/ComposedSchemaTest.java

@@ -5,7 +5,9 @@
 import io.swagger.v3.core.resolving.resources.TestObjectTicket2620;
 import io.swagger.v3.core.resolving.resources.TestObjectTicket2620Subtypes;
 import io.swagger.v3.core.resolving.resources.TestObjectTicket2900;
+import io.swagger.v3.core.resolving.resources.TestObjectTicket4247;
 import io.swagger.v3.core.util.Json;
+import io.swagger.v3.core.util.Yaml;
 import io.swagger.v3.oas.models.media.ArraySchema;
 import io.swagger.v3.oas.models.media.ComposedSchema;
 import io.swagger.v3.oas.models.media.Schema;
@@ -125,4 +127,16 @@ public void readComposedSchema_ticket2616() {
         model = schemas.get("objects");
         Assert.assertNull(model);
     }
+
+    @Test(description = "read composed schem refs #4247")
+    public void readComposedSchema_ticket4247() {
+        Map<String, Schema> schemas = ModelConverters.getInstance().readAll(TestObjectTicket4247.class);
+        Schema model = schemas.get("TestObjectTicket4247");
+        Assert.assertNotNull(model);
+        Map<String, Schema> properties = model.getProperties();
+        Assert.assertNotNull(properties.get("value"));
+        Assert.assertTrue(((ComposedSchema)properties.get("value")).getOneOf().size() == 2);
+        Assert.assertEquals(((ComposedSchema)properties.get("value")).getOneOf().get(0).getType(), "string");
+        Assert.assertEquals(((ComposedSchema)properties.get("value")).getOneOf().get(1).getType(), "number");
+    }
 }

modules/swagger-core/src/test/java/io/swagger/v3/core/resolving/resources/TestObjectTicket4247.java

@@ -0,0 +1,12 @@
+package io.swagger.v3.core.resolving.resources;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+public class TestObjectTicket4247 {
+
+    @Schema(
+            oneOf = { String.class, Number.class }
+    )
+    public Object value;
+
+}