Do not render the geozone link where there are no geozones defined

app/components/shared/geozone_link_component.rb

@@ -6,4 +6,8 @@ class Shared::GeozoneLinkComponent < ApplicationComponent
     @geozonable = geozonable
     @link = link
   end
+
+  def render?
+    Geozone.any?
+  end
 end

spec/system/legislation/proposals_spec.rb

@@ -251,4 +251,21 @@ describe "Legislation Proposals" do
     expect(page).to have_content("Proposal with geozone")
     expect(page).not_to have_content("Proposal without geozone")
   end
+
+  scenario "Show link to filter by geozone where there are geozones defined" do
+    create(:geozone)
+    create(:legislation_proposal, legislation_process_id: process.id)
+
+    visit legislation_process_proposal_path(proposal.process, proposal)
+
+    expect(page).to have_link("All city")
+  end
+
+  scenario "Do not show link to geozone where there are no geozones defined" do
+    create(:legislation_proposal, legislation_process_id: process.id)
+
+    visit legislation_process_proposal_path(proposal.process, proposal)
+
+    expect(page).not_to have_link("All city")
+  end
 end

spec/system/proposals_spec.rb

@@ -540,7 +540,15 @@ describe "Proposals" do
   end
 
   context "Geozones" do
+    scenario "When there are not gezones defined it does not show the geozone link" do
+      visit proposal_path(create(:proposal))
+
+      expect(page).not_to have_selector "#geozone"
+      expect(page).not_to have_link "All city"
+    end
+
     scenario "Default whole city" do
+      create(:geozone)
       author = create(:user)
       login_as(author)