Merge pull request #1453 from r-sreesaran/issue-1419

Fix for issue-1419

Author: gracekarina

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

@@ -2285,7 +2285,12 @@ public Schema getSchema(ObjectNode node, String location, ParseResult result){
                     catch( ParseException e) {
                         result.invalidType( location, String.format( "enum=`%s`", e.getMessage()), schema.getFormat(), n);
                     }
-                } else {
+                } else if (n.isArray()) {
+                    for (JsonNode n1 : (ArrayNode)n) {
+                        schema.addEnumItemObject(String.valueOf(n1));
+                    }
+                }
+                else {
                     result.invalidType(location, "enum", "value", n);
                 }
             }

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

@@ -2617,4 +2617,21 @@ public void testDiscriminatorSeparateFileExternalMapping() throws Exception {
         Assert.assertNotNull(cat);
     }
 
+    @Test
+    public void testParser() {
+
+        OpenAPIV3Parser parser = new OpenAPIV3Parser();
+        ParseOptions options =  new ParseOptions();
+        options.setResolve(Boolean.TRUE);
+        final SwaggerParseResult result = parser.readLocation("src/test/resources/issue-1419.yaml", null, options);
+        System.out.println(result.getMessages());
+        Assert.assertNotNull(result);
+        ArraySchema schema   = (ArraySchema) result.getOpenAPI().getComponents().getSchemas().get("Vehicle").getProperties().get("arrayG");
+        ArraySchema schema1 = (ArraySchema) schema.getItems();
+        ArrayList enum1 = (ArrayList) schema1.getEnum();
+
+        Assert.assertEquals(enum1.get(0),"[[1,2],[2,6]]");
+
+    }
+
 }

modules/swagger-parser-v3/src/test/resources/issue-1419.yaml

@@ -0,0 +1,158 @@
+{
+  "openapi": "3.0.0",
+  "servers": [{
+                "description": "Production environment",
+                "url": "https://driver-vehicle-licensing.api.gov.uk/vehicle-enquiry"
+              },
+              {
+                "description": "Test environment",
+                "url": "https://uat.driver-vehicle-licensing.api.gov.uk/vehicle-enquiry"
+              }
+  ],
+  "info": {
+    "contact": {
+      "email": "[email protected]",
+      "name": "DVLA API Team",
+      "x-twitter": "GDSTeam"
+    },
+    "description": "Interface specification for the DVLA Vehicle Enquiry API",
+    "title": "Vehicle Enquiry",
+    "version": "1.1.0",
+    "x-apisguru-categories": [
+      "open_data"
+    ],
+    "x-logo": {
+      "url": "https://api.apis.guru/v2/cache/logo/https_twitter.com_GDSTeam_profile_image.png"
+    },
+    "x-origin": [{
+                   "format": "openapi",
+                   "url": "https://developer-portal.driver-vehicle-licensing.api.gov.uk/apis/vehicle-enquiry-service/v1.1.0-vehicle-enquiry-service.json",
+                   "version": "3.0"
+                 }],
+    "x-preferred": true,
+    "x-providerName": "api.gov.uk",
+    "x-serviceName": "vehicle-enquiry"
+  },
+  "tags": [{
+             "name": "vehicle"
+           }],
+  "paths": {
+    "/v1/vehicles": {
+      "post": {
+        "description": "Returns vehicle details based on registration number",
+        "operationId": "getVehicleDetailsByRegistrationNumber",
+        "parameters": [{
+                         "description": "Client Specific API Key",
+                         "in": "header",
+                         "name": "x-api-key",
+                         "required": true,
+                         "schema": {
+                           "type": "string"
+                         }
+                       },
+                       {
+                         "description": "Consumer Correlation ID",
+                         "in": "header",
+                         "name": "X-Correlation-Id",
+                         "required": false,
+                         "schema": {
+                           "type": "string"
+                         }
+                       }
+        ],
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/Vehicle"
+              }
+            }
+          },
+          "description": "Registration number of the vehicle to find details for",
+          "required": true
+        },
+        "responses": {
+          "200": {
+            "content": {
+              "application/json": {
+
+              }
+            },
+            "description": "Successful response"
+          },
+          "400": {
+
+            "description": "Bad Request"
+          }
+        },
+        "summary": "Get vehicle details by registration number",
+        "tags": [
+          "vehicle"
+        ]
+      }
+    }
+  },
+  "components": {
+    "schemas": {
+
+      "Vehicle": {
+        "properties": {
+          "arrayA": {
+            "type": "array",
+            "items": {
+
+            }
+          },
+
+          "arrayG": {
+            "type": "array",
+            "items": {
+              "type": "array",
+              "items": {
+                "type": "integer",
+                "format": "int32",
+                "minimum": 12,
+                "maximum": 24,
+                "nullable": true,
+                "exclusiveMinimum": true,
+                "exclusiveMaximum": true,
+                "enum": [1, 2],
+                "default": 1
+
+              },
+              "enum": [
+              [
+              [
+              [1, 2],
+              [2, 6]
+              ]
+              ]
+              ]
+            }
+          },
+          "arrayH": {
+            "type": "array",
+            "items": {
+              "type": "array",
+              "items": {
+                "type": "string",
+                "nullable": true,
+                "enum": ["1", "2"]
+
+              },
+              "enum": [
+              ["1", "2"],
+              ["3", "2"]
+              ]
+            }
+
+
+
+
+
+          }
+        }
+      }
+    }
+  }
+}