reproduce issue getkin#618

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

openapi3/issue618_test.go

@@ -0,0 +1,41 @@
+package openapi3
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestIssue618(t *testing.T) {
+	spec := `
+openapi: 3.0.0
+info:
+  title: foo
+  version: 0.0.0
+paths:
+  /foo:
+    get:
+      responses:
+        '200':
+          description: Some description value text
+          content:
+            application/json:
+              schema:
+                $ref: ./testdata/schema618.yml#/components/schemas/JournalEntry
+`[1:]
+
+	loader := NewLoader()
+	loader.IsExternalRefsAllowed = true
+	ctx := loader.Context
+
+	doc, err := loader.LoadFromData([]byte(spec))
+	require.NoError(t, err)
+
+	doc.InternalizeRefs(ctx, nil)
+
+	t.Logf(">>> %+v", doc.Components.Schemas)
+
+	require.Contains(t, doc.Components.Schemas, "JournalEntry")
+	require.Contains(t, doc.Components.Schemas, "Record")
+	require.Contains(t, doc.Components.Schemas, "Account")
+}

openapi3/testdata/schema618.yml

@@ -0,0 +1,62 @@
+components:
+  schemas:
+    Account:
+      required:
+        - name
+        - nature
+      type: object
+      properties:
+        id:
+          type: string
+        name:
+          type: string
+        description:
+          type: string
+        type:
+          type: string
+          enum:
+            - assets
+            - liabilities
+        nature:
+          type: string
+          enum:
+            - asset
+            - liability
+    Record:
+      required:
+        - account
+        - concept
+      type: object
+      properties:
+        account:
+          $ref: "#/components/schemas/Account"
+        concept:
+          type: string
+        partial:
+          type: number
+        credit:
+          type: number
+        debit:
+          type: number
+    JournalEntry:
+      required:
+        - type
+        - creationDate
+        - records
+      type: object
+      properties:
+        id:
+          type: string
+        type:
+          type: string
+          enum:
+            - daily
+            - ingress
+            - egress
+        creationDate:
+          type: string
+          format: date
+        records:
+          type: array
+          items:
+            $ref: "#/components/schemas/Record"