Change dismissing a notification to clear existing filtered notifications for that account (#31329)

spec/workers/filtered_notification_cleanup_worker_spec.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe FilteredNotificationCleanupWorker do
+  describe '#perform' do
+    let(:sender) { Fabricate(:account) }
+    let(:recipient) { Fabricate(:account) }
+    let(:bystander) { Fabricate(:account) }
+
+    before do
+      Fabricate(:notification, account: recipient, activity: Fabricate(:favourite, account: sender), filtered: true)
+      Fabricate(:notification, account: recipient, activity: Fabricate(:favourite, account: bystander), filtered: true)
+      Fabricate(:notification, account: recipient, activity: Fabricate(:follow, account: sender), filtered: true)
+      Fabricate(:notification, account: recipient, activity: Fabricate(:favourite, account: bystander), filtered: true)
+    end
+
+    it 'deletes all filtered notifications to the account' do
+      expect { described_class.new.perform(recipient.id, sender.id) }
+        .to change { recipient.notifications.where(from_account: sender).count }.from(2).to(0)
+        .and(not_change { recipient.notifications.where(from_account: bystander).count })
+    end
+  end
+end