reproduce issue #220

Signed-off-by: Pierre Fenoll <pierrefenoll@gmail.com>

Author: fenollp

openapi3/swagger_loader_issue220_test.go

@@ -0,0 +1,20 @@
+package openapi3
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestIssue220(t *testing.T) {
+	specPath := filepath.FromSlash("testdata/my-openapi.json")
+
+	loader := NewSwaggerLoader()
+	loader.IsExternalRefsAllowed = true
+	doc, err := loader.LoadSwaggerFromFile(specPath)
+	require.NoError(t, err)
+
+	err = doc.Validate(loader.Context)
+	require.NoError(t, err)
+}

openapi3/testdata/my-openapi.json

@@ -0,0 +1,18 @@
+{
+  "openapi": "3.0.2",
+  "info": {
+    "title": "My API",
+    "version": "0.1.0"
+  },
+  "paths": {
+    "/foo": {
+      "get": {
+        "responses": {
+          "200": {
+            "$ref": "my-other-openapi.json#/components/responses/DefaultResponse"
+          }
+        }
+      }
+    }
+  }
+}

openapi3/testdata/my-other-openapi.json

@@ -0,0 +1,34 @@
+{
+  "openapi": "3.0.2",
+  "info": {
+    "title": "My other API",
+    "version": "0.1.0"
+  },
+  "components": {
+    "schemas": {
+      "DefaultObject": {
+        "type": "object",
+        "properties": {
+          "foo": {
+            "type": "string"
+          },
+          "bar": {
+            "type": "string"
+          }
+        }
+      }
+    },
+    "responses": {
+      "DefaultResponse": {
+        "description": "",
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/DefaultObject"
+            }
+          }
+        }
+      }
+    }
+  }
+}