From 9be04f1d2ebc9dec714ad83c67f0e221939e2991 Mon Sep 17 00:00:00 2001
From: Dimitrij Denissenko <dimitrij.denissenko@blacksquaremedia.com>
Date: Thu, 8 Oct 2020 16:23:41 +0100
Subject: [PATCH] Shared parameters are not inherited

---
 spec/grape/api/shared_helpers_spec.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/spec/grape/api/shared_helpers_spec.rb b/spec/grape/api/shared_helpers_spec.rb
index 68626944dc..992455f9f6 100644
--- a/spec/grape/api/shared_helpers_spec.rb
+++ b/spec/grape/api/shared_helpers_spec.rb
@@ -13,6 +13,15 @@
       end
     end
 
+    nested = Class.new(Grape::API) do
+      params do
+        use :pagination
+      end
+      get '/child' do
+        declared(params, include_missing: true)
+      end
+    end
+
     Class.new(Grape::API) do
       helpers shared_params
       format :json
@@ -23,6 +32,8 @@
       get do
         declared(params, include_missing: true)
       end
+
+      mount nested
     end
   end
 
@@ -35,4 +46,10 @@ def app
     expect(last_response.status).to eq 200
     expect(last_response.body).to eq({ page: nil, size: nil }.to_json)
   end
+
+  it 'inherits parameters' do
+    get '/child'
+    expect(last_response.status).to eq 200
+    expect(last_response.body).to eq({ page: nil, size: nil }.to_json)
+  end
 end