Add test for exception handler

Author: ledermann

spec/dummy/app/controllers/inertia_share_test_controller.rb

@@ -4,11 +4,21 @@ class InertiaShareTestController < ApplicationController
   inertia_share do
     {
       position: 'center',
-      number: 29,
+      number: number,
     }
   end
 
   def share
     render inertia: 'ShareTestComponent'
   end
+
+  def error
+    raise RuntimeError
+  end
+
+  private
+
+  def number
+    29
+  end
 end

spec/dummy/config/application.rb

@@ -32,6 +32,15 @@ class Application < Rails::Application
 
     # Required for Rails 5.0 and 5.1
     config.secret_key_base = SecureRandom.hex
+
+    config.exceptions_app = ->(env) do
+      Class.new(ActionController::Base) do
+        def show
+          render inertia: 'Error', props: {
+            status: request.path_info[1..-1].to_i
+          }
+        end
+      end.action(:show).call(env)
+    end
   end
 end
-

spec/dummy/config/environments/test.rb

@@ -24,12 +24,12 @@
   }
 
   # Show full error reports and disable caching.
-  config.consider_all_requests_local       = true
+  config.consider_all_requests_local       = false
   config.action_controller.perform_caching = false
   config.cache_store = :null_store
 
   # Raise exceptions instead of rendering exception templates.
-  config.action_dispatch.show_exceptions = false
+  config.action_dispatch.show_exceptions = true
 
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false

spec/dummy/config/routes.rb

@@ -5,6 +5,7 @@
   get 'view_data' => 'inertia_render_test#view_data'
   get 'component' => 'inertia_render_test#component'
   get 'share' => 'inertia_share_test#share'
+  get 'error' => 'inertia_share_test#error'
   get 'share_with_inherited' => 'inertia_child_share_test#share_with_inherited'
   get 'empty_test' => 'inertia_test#empty_test'
   get 'redirect_test' => 'inertia_test#redirect_test'

spec/inertia/sharing_spec.rb

@@ -63,4 +63,14 @@
 
     it { is_expected.to eq props }
   end
+
+  context 'using inertia share with exception handler' do
+    let(:props) { { status: 500 } }
+
+    before do
+      get error_path, headers: {'X-Inertia' => true}
+    end
+
+    it { is_expected.to eq props }
+  end
 end