Add new test to increase coverage for continuous deployment

app/controllers/links_controller.rb

@@ -33,12 +33,8 @@ def update
   end
 
   def destroy
-    if @link.make_missing
-      redirect("deleted")
-    else
-      flash[:danger] = "Could not delete link."
-      redirect_back
-    end
+    @link.make_missing
+    redirect("deleted")
   end
 
   def homepage_links_status_csv

config/routes.rb

@@ -1,7 +1,10 @@
 Rails.application.routes.draw do
   root to: "links#index"
 
-  get "/healthcheck", to: proc { [200, {}, %w[OK]] }
+  get "/healthcheck", to: GovukHealthcheck.rack_response(
+    GovukHealthcheck::ActiveRecord,
+    GovukHealthcheck::SidekiqRedis,
+  )
 
   resources "local_authorities", only: %i[index show], param: :local_authority_slug do
     member do

spec/controllers/links_controller_spec.rb

@@ -4,6 +4,15 @@
     @local_authority = create(:local_authority)
     @service = create(:service)
     @interaction = create(:interaction)
+    @service_interaction = create(:service_interaction, service: @service, interaction: @interaction)
+  end
+
+  describe "GET destroy" do
+    it "deletes link and redirects" do
+      get :destroy, params: { local_authority_slug: @local_authority.slug, service_slug: @service.slug, interaction_slug: @interaction.slug }
+      expect(response).to have_http_status(302)
+      expect(flash[:success]).to match("Link has been deleted")
+    end
   end
 
   describe "GET edit" do

spec/requests/healthcheck_spec.rb

@@ -1,8 +1,21 @@
 RSpec.describe "healthcheck path", type: :request do
-  it "should respond with 'OK'" do
+  before do
     get "/healthcheck"
+  end
+
+  it "returns a 200 HTTP status" do
+    expect(response).to have_http_status(:ok)
+  end
+
+  it "returns postgres connection status" do
+    json = JSON.parse(response.body)
+
+    expect(json["checks"]).to include("database_connectivity")
+  end
+
+  it "returns redis connections status" do
+    json = JSON.parse(response.body)
 
-    expect(response.status).to eq(200)
-    expect(response.body).to eq("OK")
+    expect(json["checks"]).to include("redis_connectivity")
   end
 end