Simplify changing controllers in component tests

spec/components/admin/budgets/index_component_spec.rb

@@ -1,8 +1,7 @@
 require "rails_helper"
 
-describe Admin::Budgets::IndexComponent, type: :component do
+describe Admin::Budgets::IndexComponent, type: :component, controller: Admin::BudgetsController do
   before do
-    allow(ViewComponent::Base).to receive(:test_controller).and_return("Admin::BudgetsController")
     allow_any_instance_of(Admin::BudgetsController).to receive(:valid_filters).and_return(["all"])
     allow_any_instance_of(Admin::BudgetsController).to receive(:current_filter).and_return("all")
   end

spec/components/admin/budgets/table_actions_component_spec.rb

@@ -1,13 +1,9 @@
 require "rails_helper"
 
-describe Admin::Budgets::TableActionsComponent, type: :component do
+describe Admin::Budgets::TableActionsComponent, type: :component, controller: Admin::BaseController do
   let(:budget) { create(:budget) }
   let(:component) { Admin::Budgets::TableActionsComponent.new(budget) }
 
-  before do
-    allow(ViewComponent::Base).to receive(:test_controller).and_return("Admin::BaseController")
-  end
-
   it "renders links to edit and delete budget, manage investments and edit groups and manage ballots" do
     render_inline component
 

spec/components/admin/poll/officers/officers_component_spec.rb

@@ -1,15 +1,11 @@
 require "rails_helper"
 
-describe Admin::Poll::Officers::OfficersComponent, type: :component do
+describe Admin::Poll::Officers::OfficersComponent, type: :component, controller: Admin::BaseController do
   let(:existing_officer) { create(:poll_officer, name: "Old officer") }
   let(:new_officer) { build(:poll_officer, name: "New officer") }
   let(:officers) { [existing_officer, new_officer] }
   let(:component) { Admin::Poll::Officers::OfficersComponent.new(officers) }
 
-  before do
-    allow(ViewComponent::Base).to receive(:test_controller).and_return("Admin::BaseController")
-  end
-
   it "renders as many rows as officers" do
     render_inline component
 

spec/components/admin/roles/table_actions_component_spec.rb

@@ -1,12 +1,8 @@
 require "rails_helper"
 
-describe Admin::Roles::TableActionsComponent, type: :component do
+describe Admin::Roles::TableActionsComponent, type: :component, controller: Admin::BaseController do
   let(:user) { create(:user) }
 
-  before do
-    allow(ViewComponent::Base).to receive(:test_controller).and_return("Admin::BaseController")
-  end
-
   it "renders link to add the role for new records" do
     render_inline Admin::Roles::TableActionsComponent.new(user.build_manager)
 

spec/components/admin/table_actions_component_spec.rb

@@ -1,12 +1,8 @@
 require "rails_helper"
 
-describe Admin::TableActionsComponent, type: :component do
+describe Admin::TableActionsComponent, type: :component, controller: Admin::BaseController do
   let(:record) { create(:banner) }
 
-  before do
-    allow(ViewComponent::Base).to receive(:test_controller).and_return("Admin::BaseController")
-  end
-
   it "renders links to edit and destroy a record by default" do
     render_inline Admin::TableActionsComponent.new(record)
 
@@ -71,11 +67,7 @@ describe Admin::TableActionsComponent, type: :component do
   end
 
   context "different namespace" do
-    before do
+    it "generates links to different namespaces", controller: SDGManagement::BaseController do
-      allow(ViewComponent::Base).to receive(:test_controller).and_return("SDGManagement::BaseController")
-    end
-
-    it "generates links to different namespaces" do
       render_inline Admin::TableActionsComponent.new(create(:sdg_local_target))
 
       expect(page).to have_css "a", count: 2

spec/components/sdg_management/relations/index_component_spec.rb

@@ -1,8 +1,7 @@
 require "rails_helper"
 
-describe SDGManagement::Relations::IndexComponent, type: :component do
+describe SDGManagement::Relations::IndexComponent, type: :component, controller: SDGManagement::RelationsController do
   before do
-    allow(ViewComponent::Base).to receive(:test_controller).and_return("SDGManagement::RelationsController")
     allow_any_instance_of(SDGManagement::RelationsController).to receive(:valid_filters)
       .and_return(SDGManagement::RelationsController::FILTERS)
     allow_any_instance_of(SDGManagement::RelationsController).to receive(:current_filter)

spec/spec_helper.rb

@@ -80,6 +80,10 @@ RSpec.configure do |config|
     sign_in(create(:administrator).user)
   end
 
+  config.before(:each, :controller, type: :component) do |example|
+    allow(ViewComponent::Base).to receive(:test_controller).and_return(example.metadata[:controller].to_s)
+  end
+
   config.before(:each, :show_exceptions) do
     config = Rails.application.env_config