fixes ##2831, circular dependency issue

Author: Ahmad Moudani

diff/fixtures/refcircular.diff.txt

@@ -0,0 +1 @@
+No changes identified

diff/fixtures/refcircular.v1.json

@@ -0,0 +1,39 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "Swagger Fixture",
+    "version": "1.0"
+  },
+  "paths": {
+    "/a/": {
+      "get": {
+        "parameters": [
+          {
+            "name": "",
+            "in": "body",
+            "schema": { "$ref": "#/definitions/A1" }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "200 response",
+            "schema": {
+              "type": "array",
+              "items": { "$ref": "#/definitions/A1" }
+            }
+          }
+        }
+      }
+    }
+  },
+  "definitions": {
+    "A1": {
+      "type": "object",
+      "properties": {
+        "id": { "type": "integer" },
+        "name": { "type": "string" },
+        "a1":{ "$ref": "#/definitions/A1" }
+      }
+    }
+  }
+}

diff/fixtures/refcircular.v2.json

@@ -0,0 +1,39 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "Swagger Fixture",
+    "version": "1.0"
+  },
+  "paths": {
+    "/a/": {
+      "get": {
+        "parameters": [
+          {
+            "name": "",
+            "in": "body",
+            "schema": { "$ref": "#/definitions/A1" }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "200 response",
+            "schema": {
+              "type": "array",
+              "items": { "$ref": "#/definitions/A1" }
+            }
+          }
+        }
+      }
+    }
+  },
+  "definitions": {
+    "A1": {
+      "type": "object",
+      "properties": {
+        "id": { "type": "integer" },`
+        "name": { "type": "string" },
+        "a1":{ "$ref": "#/definitions/A1" }
+      }
+    }
+  }
+}