Fix rspec failure on X-Inertia requests (#94)

* add failing test

* fix rspec helper fail on Inertia requests

lib/inertia_rails/rspec.rb

@@ -25,9 +25,16 @@ def wrap_render(render_method)
       protected
 
       def set_values(params)
-        @view_data = params[:locals].except(:page)
-        @props = params[:locals][:page][:props]
-        @component = params[:locals][:page][:component]
+        if params[:locals].present?
+          @view_data = params[:locals].except(:page)
+          @props = params[:locals][:page][:props]
+          @component = params[:locals][:page][:component]
+        else
+          # Sequential Inertia request
+          @view_data = {}
+          @props = params[:json][:props]
+          @component = params[:json][:component]
+        end
       end
     end
 

spec/inertia/rspec_helper_spec.rb

@@ -34,6 +34,22 @@ def puts(thing)
       end
     end
 
+    context 'with props during sequential request' do
+      before { get props_path, headers: {'X-Inertia': true} }
+
+      it 'has props' do
+        expect_inertia.to have_exact_props({name: 'Brandon', sport: 'hockey'})
+      end
+
+      it 'includes props' do
+        expect_inertia.to include_props({sport: 'hockey'})
+      end
+
+      it 'can retrieve props' do
+        expect(inertia.props[:name]).to eq 'Brandon'
+      end
+    end
+
     context 'with view data' do
       before { get view_data_path }