Demonstrate ref in ref example

openapi3/swagger_loader_test.go

@@ -315,6 +315,14 @@ func TestLoadFromRemoteURL(t *testing.T) {
 	require.Equal(t, "string", swagger.Components.Schemas["TestSchema"].Value.Type)
 }
 
+func TestLoadWithReferenceInReference(t *testing.T) {
+	loader := NewSwaggerLoader()
+	loader.IsExternalRefsAllowed = true
+	swagger, err := loader.LoadSwaggerFromFile("testdata/refInRef/openapi.json")
+	require.NoError(t, err)
+	require.NotNil(t, swagger)
+}
+
 func TestLoadFileWithExternalSchemaRef(t *testing.T) {
 	loader := NewSwaggerLoader()
 	loader.IsExternalRefsAllowed = true

openapi3/testdata/refInRef/messages/definitions.json

@@ -0,0 +1,7 @@
+{
+  "definitions": {
+    "External": {
+      "type": "string"
+    }
+  }
+}

openapi3/testdata/refInRef/messages/request.json

@@ -0,0 +1,11 @@
+{
+  "type": "object",
+  "required": [
+    "definition_reference"
+  ],
+  "properties": {
+    "definition_reference": {
+      "$ref": "definitions.json#/definitions/External"
+    }
+  }
+}

openapi3/testdata/refInRef/messages/response.json

@@ -0,0 +1,9 @@
+{
+  "type": "object",
+  "properties": {
+    "id": {
+      "type": "string",
+      "format": "uuid"
+    }
+  }
+}

openapi3/testdata/refInRef/openapi.json

@@ -0,0 +1,34 @@
+{
+  "openapi": "3.0.3",
+  "info": {
+    "title": "Reference in reference example",
+    "version": "1.0.0"
+  },
+  "paths": {
+    "/api/test/ref/in/ref": {
+      "post": {
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "messages/request.json"
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "Successful response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "messages/response.json"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}