Delete the secondary skip for a branch route if the branching question is deleted

app/models/page.rb

@@ -5,7 +5,7 @@ class Page < ApplicationRecord
 
   belongs_to :form
   has_many :routing_conditions, class_name: "Condition", foreign_key: "routing_page_id", dependent: :destroy
-  has_many :check_conditions, class_name: "Condition", foreign_key: "check_page_id", dependent: :nullify
+  has_many :check_conditions, class_name: "Condition", foreign_key: "check_page_id", dependent: :destroy
   has_many :goto_conditions, class_name: "Condition", foreign_key: "goto_page_id", dependent: :nullify
   acts_as_list scope: :form
 

spec/models/page_spec.rb

@@ -12,6 +12,59 @@
     expect(page).to be_valid
   end
 
+  describe "associations" do
+    let(:form) { create :form }
+    let(:page) { create :page, form: }
+
+    context "when it has a routing condition" do
+      let!(:condition) { page.routing_conditions.create! }
+
+      it "deletes the condition if it is deleted" do
+        page.destroy!
+
+        expect(condition).to be_destroyed
+      end
+    end
+
+    context "when it has a check condition" do
+      let(:routing_page) { create :page, form: }
+      let!(:condition) { page.check_conditions.create! routing_page: }
+
+      it "deletes the condition if it is deleted" do
+        page.destroy!
+
+        expect(condition).to be_destroyed
+      end
+    end
+
+    context "when it has a go to condition" do
+      let(:routing_page) { create :page, form: }
+      let!(:condition) { page.goto_conditions.create! routing_page: }
+
+      it "removes association from the condition if it is deleted" do
+        page.destroy!
+
+        expect(condition).not_to be_destroyed
+        expect(condition.goto_page).to be_nil
+      end
+    end
+
+    context "when it has a branch route with skip and secondary skip" do
+      let(:first_branch) { create :page, form: }
+      let(:second_branch) { create :page, form: }
+
+      let!(:skip_condition) { page.routing_conditions.create! goto_page: second_branch }
+      let!(:secondary_skip_condition) { page.check_conditions.create! routing_page: first_branch, skip_to_end: true }
+
+      it "deletes all the conditions if it is deleted" do
+        page.destroy!
+
+        expect(skip_condition).to be_destroyed
+        expect(secondary_skip_condition).to be_destroyed
+      end
+    end
+  end
+
   describe "versioning", :versioning do
     it "enables paper trail" do
       expect(page).to be_versioned