test case with deep properties which can't be resolved

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/util/ResolverFully.java

@@ -283,8 +283,18 @@ public Schema resolveSchema(Schema schema) {
 
         if(schema.get$ref() != null) {
             String ref= schema.get$ref();
-            ref = ref.substring(ref.lastIndexOf("/") + 1);
-            Schema resolved = schemas != null ? schemas.get(ref) : null;
+            Schema resolved;
+            //This validation is done to solve deep properties eg. '#/components/schemas/TypeProject/properties/id'
+            if (ref.contains("/properties/")){
+                String split[] = ref.split("/");
+                String refSchema = split[3];
+                Schema parentSchema = schemas.get(refSchema);
+                ref = ref.substring(ref.lastIndexOf("/") + 1);
+                resolved = (Schema)parentSchema.getProperties().get(ref);
+            }else {
+                ref = ref.substring(ref.lastIndexOf("/") + 1);
+                resolved = schemas != null ? schemas.get(ref) : null;
+            }
 
             if (resolved != null) {
 

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

@@ -69,6 +69,7 @@
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.CoreMatchers.notNullValue;
+import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertThat;
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertFalse;
@@ -82,6 +83,18 @@ public class OpenAPIV3ParserTest {
     protected int serverPort = getDynamicPort();
     protected WireMockServer wireMockServer;
 
+    @Test
+    public void testCantReadDeepProperties() {
+        OpenAPIV3Parser parser = new OpenAPIV3Parser();
+        ParseOptions options = new ParseOptions();
+        options.setResolveFully(true);
+
+        final SwaggerParseResult parseResult = parser.readLocation("src/test/resources/cant-read-deep-properties.yaml", null, options);
+        assertEquals(parseResult.getMessages().size(), 0);
+        Schema projects = (Schema) parseResult.getOpenAPI().getComponents().getSchemas().get("Project").getProperties().get("project_type");
+        assertEquals(projects.getType(), "integer");
+    }
+
     @Test
     public void testIssueSameRefsDifferentModel() throws IOException {
         String pathFile = FileUtils.readFileToString(new File("src/test/resources/same-refs-different-model-domain.yaml"), "UTF-8");

modules/swagger-parser-v3/src/test/resources/cant-read-deep-properties.yaml

@@ -0,0 +1,78 @@
+openapi: 3.0.0
+servers:
+  # Added by API Auto Mocking Plugin
+  - description: SwaggerHub API Auto Mocking
+    url: http://host.docker.internal:8081/p.siudy2/awfsdgrfhtgh/1.0
+
+info:
+  version: '1.0'
+  title: issue
+  description: TypeProject/properties/id is not resolved
+  license:
+    name: Apache 2.0
+    url: 'http://www.apache.org/licenses/LICENSE-2.0.html'
+tags:
+  - name: issue
+    description: issue
+paths:
+  /projects:
+    get:
+      tags:
+        - project
+      description: list projects
+      responses:
+        '200':
+          description: results
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  projects:
+                    type: array
+                    items:
+                      $ref: '#/components/schemas/Project'
+        '400':
+          description: Invalid
+        '401':
+          description: You are not authorized
+        '500':
+          description: Internal Server Error
+components:
+  schemas:
+    ProjectId:
+      type: integer
+      enum: [1, 2]
+      description: one of project type ids
+    Project:
+      type: object
+      required:
+        - user
+        - project_type
+      properties:
+        user:
+          $ref: '#/components/schemas/User'
+        project_type:
+          $ref: '#/components/schemas/TypeProject/properties/id'
+    User:
+      type: object
+      required:
+        - full_name
+        - id
+      properties:
+        full_name:
+          type: string
+          example: ful lname
+        id:
+          type: string
+          format: uuid
+    TypeProject:
+      type: object
+      properties:
+        id:
+          type: integer
+          enum: [1, 2]
+          description: one of project type ids
+        name:
+          type: string
+          enum: ['project1', 'project2']

pom.xml

@@ -369,7 +369,7 @@
         <swagger-parser-v2-version>1.0.55-SNAPSHOT</swagger-parser-v2-version>
         <commons-io-version>2.6</commons-io-version>
         <slf4j-version>1.7.30</slf4j-version>
-        <swagger-core-version>2.1.7-SNAPSHOT</swagger-core-version>
+        <swagger-core-version>2.1.8-SNAPSHOT</swagger-core-version>
         <swagger-core-v2-version>1.6.3-SNAPSHOT</swagger-core-v2-version>
         <junit-version>4.13.1</junit-version>
         <testng-version>6.14.2</testng-version>