Merge pull request #2052 from swagger-api/issue-2037

Fix issue #2037

Author: gracekarina

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/processors/PathsProcessor.java

@@ -172,6 +172,10 @@ protected void updateRefs(ApiResponse response, String pathRef) {
         if(response.getContent() != null) {
             Map<String, MediaType> content = response.getContent();
             for (String key: content.keySet()) {
+                MediaType mediaType = content.get(key);
+                if (mediaType.getSchema() != null) {
+                    updateRefs(mediaType.getSchema(), pathRef);
+                }
                 Map<String, Example> examples = content.get(key).getExamples();
                 if (examples != null) {
                     for( Example example:examples.values()){
@@ -285,10 +289,18 @@ protected boolean isAbsoluteRef(String ref) {
          return false;
     }
 
+    private boolean isInternalSchemaRef(String $ref) {
+        if($ref.startsWith("#/components/schemas")) {
+            return true;
+        }
+        return false;
+    }
+
     protected String computeRef(String ref, String prefix) {
-    	if(isLocalRef(ref)) return computeLocalRef(ref, prefix);
-    	if(isAbsoluteRef(ref)) return ref;
-    	return computeRelativeRef(ref, prefix);
+        if(isLocalRef(ref)&& !isInternalSchemaRef(ref)) return computeLocalRef(ref, prefix);
+        if(isAbsoluteRef(ref)) return ref;
+        if(isInternalSchemaRef(ref)) return ref;
+        return computeRelativeRef(ref, prefix);
     }
 
     protected String computeRelativeRef(String ref, String prefix) {

modules/swagger-parser-v3/src/test/java/io/swagger/v3/parser/test/OpenAPIV3ParserTest.java

@@ -43,6 +43,18 @@
 public class OpenAPIV3ParserTest {
     List<AuthorizationValue> auths = new ArrayList<>();
 
+    @Test
+    public void testFailedToResolveResponseReferences() {
+        OpenAPIV3Parser openApiParser = new OpenAPIV3Parser();
+        ParseOptions options = new ParseOptions();
+        options.setResolve(true);
+        SwaggerParseResult parseResult = openApiParser.readLocation("issue-2037/openapi.yaml", null, options);
+        OpenAPI openAPI = parseResult.getOpenAPI();
+
+        Assert.assertTrue(openAPI.getPaths().get("/get").get$ref() == null);
+        Assert.assertEquals(openAPI.getPaths().get("/get").getGet().getResponses().get("200").getContent().get("application/json").getSchema().get$ref(), "#/components/schemas/ResponsesRef");
+    }
+
 
     @Test
     public void testFailedToResolveExternalReferences() {

modules/swagger-parser-v3/src/test/resources/issue-2037/openapi.yaml

@@ -0,0 +1,8 @@
+openapi: 3.0.3
+info:
+  title: title
+  version: LATEST
+
+paths:
+  /get:
+    $ref: 'paths/get.yaml#/endpoint'

modules/swagger-parser-v3/src/test/resources/issue-2037/paths/get.yaml

@@ -0,0 +1,20 @@
+endpoint:
+  get:
+    operationId: get
+    requestBody:
+      content:
+        application/json:
+          schema:
+            $ref: '#/RequestBodyRef'
+    responses:
+      '200':
+        content:
+          application/json:
+            schema:
+              $ref: '#/ResponsesRef'
+
+RequestBodyRef:
+  type: string
+
+ResponsesRef:
+  type: string