add next_page?

app/graphql/connections/cursor_connection.rb

@@ -66,6 +66,10 @@ module Connections
       after.present? || (result_size == limit && inverted)
     end
 
+    def next_page?(before, result_size, limit, inverted)
+      before.present? || (result_size == limit && !inverted)
+    end
+
     def load_nodes
       @nodes ||= begin
         ensure_valid_params

spec/graphql/connections/cursor_connection_spec.rb

@@ -83,4 +83,31 @@ RSpec.describe Connections::CursorConnection do
       it { is_expected.to be true }
     end
   end
+
+  describe '.next_page?' do
+    let(:before) { nil }
+    let(:result_size) { nil }
+    let(:limit) { nil }
+    let(:inverted) { false }
+
+    subject do
+      cursor = Connections::CursorConnection.new(Dossier)
+      cursor.send(:next_page?, before, result_size, limit, inverted)
+    end
+
+    context 'when before is present' do
+      let(:before) { :before }
+
+      it { is_expected.to be true }
+    end
+
+    context 'when not inverted and result_size == limit' do
+      let(:inverted) { false }
+      let(:result_size) { 3 }
+      let(:limit) { 3 }
+
+      it { is_expected.to be true }
+    end
+  end
+
 end