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backend/node_modules/json-schema-ref-resolver/test/deref-schema.test.js

@@ -45,7 +45,7 @@ test('should throw id source schema has a key with a same key as ref schema, but
   } catch (err) {
     assert.strictEqual(
       err.message,
-      'Cannot resolve ref "schemaId2". Property "properties" is already exist in schema "schemaId1".'
+      'Cannot resolve ref "schemaId2". Property "properties" already exists in schema "schemaId1".'
     )
   }
 })
@@ -234,3 +234,54 @@ test('should throw if target ref schema is not found', () => {
     )
   }
 })
+
+test('should deref schema without root $id', () => {
+  const refResolver = new RefResolver()
+
+  const schemaId = 'schemaId1'
+  const schema = {
+    type: 'object',
+    definitions: {
+      id1: {
+        type: 'object',
+        properties: {
+          id1: {
+            type: 'integer'
+          }
+        }
+      }
+    },
+    allOf: [
+      {
+        $ref: '#/definitions/id1'
+      }
+    ]
+  }
+
+  refResolver.addSchema(schema, schemaId)
+  const derefSchema = refResolver.getDerefSchema(schemaId)
+
+  assert.deepStrictEqual(derefSchema, {
+    type: 'object',
+    definitions: {
+      id1: {
+        type: 'object',
+        properties: {
+          id1: {
+            type: 'integer'
+          }
+        }
+      }
+    },
+    allOf: [
+      {
+        type: 'object',
+        properties: {
+          id1: {
+            type: 'integer'
+          }
+        }
+      }
+    ]
+  })
+})