repro getkin#341

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

Author: fenollp

openapi3/issue341_test.go

@@ -0,0 +1,26 @@
+package openapi3
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestIssue341(t *testing.T) {
+	sl := NewSwaggerLoader()
+	sl.IsExternalRefsAllowed = true
+	doc, err := sl.LoadSwaggerFromFile("testdata/main.yaml")
+	require.NoError(t, err)
+
+	err = doc.Validate(sl.Context)
+	require.NoError(t, err)
+
+	err = sl.ResolveRefsIn(doc, nil)
+	require.NoError(t, err)
+
+	bs, err := doc.MarshalJSON()
+	require.NoError(t, err)
+	t.Logf("serialized: %s", bs)
+
+	require.Equal(t, "string", doc.Paths["/testpath"].Get.Responses["200"].Value.Content["application/json"].Schema.Value.Type)
+}

openapi3/testdata/main.yaml

@@ -0,0 +1,7 @@
+openapi: "3.0.0"
+info:
+  title: "test file"
+  version: "n/a"
+paths:
+  /testpath:
+    $ref: "testpath.yaml#/paths/~1testpath"

openapi3/testdata/testpath.yaml

@@ -0,0 +1,15 @@
+paths:
+  /testpath:
+    get:
+      responses:
+        "200":
+          $ref: "#/components/responses/testpath_200_response"
+
+components:
+  responses:
+    testpath_200_response:
+      description: a custom response
+      content:
+        application/json:
+          schema:
+            type: string