Add spec for adding/editing/removing Geo Nodes

spec/features/admin/admin_geo_nodes_spec.rb

+require 'spec_helper'
+
+RSpec.describe 'admin Geo Nodes', type: :feature do
+  let!(:geo_node) { create(:geo_node) }
+
+  before do
+    allow(Gitlab::Geo).to receive(:license_allows?).and_return(true)
+    sign_in(create(:admin))
+  end
+
+  it 'show all public Geo Nodes' do
+    visit admin_geo_nodes_path
+
+    page.within(find('.geo-nodes', match: :first)) do
+      expect(page).to have_content(geo_node.url)
+    end
+  end
+
+  describe 'create a new Geo Nodes' do
+    let(:new_ssh_key) { attributes_for(:key)[:key] }
+
+    before do
+      visit admin_geo_nodes_path
+    end
+
+    it 'creates a new Geo Node' do
+      check 'This is a primary node'
+      fill_in 'geo_node_url', with: 'https://test.gitlab.com'
+      fill_in 'geo_node_geo_node_key_attributes_key', with: new_ssh_key
+      click_button 'Add Node'
+
+      expect(current_path).to eq admin_geo_nodes_path
+
+      page.within(find('.geo-nodes', match: :first)) do
+        expect(page).to have_content(geo_node.url)
+      end
+    end
+  end
+
+  describe 'update an existing Geo Node' do
+    before do
+      visit admin_geo_nodes_path
+      page.within(find('.node-actions', match: :first)) do
+        page.click_link('Edit')
+      end
+    end
+
+    it 'updates an existing Geo Node' do
+      fill_in 'URL', with: 'http://newsite.com'
+      check 'This is a primary node'
+      click_button 'Save changes'
+
+      expect(current_path).to eq admin_geo_nodes_path
+
+      page.within(find('.geo-nodes', match: :first)) do
+        expect(page).to have_content('http://newsite.com')
+        expect(page).to have_content('Primary')
+      end
+    end
+  end
+
+  describe 'remove an existing Geo Node' do
+    before do
+      visit admin_geo_nodes_path
+    end
+
+    it 'removes an existing Geo Node' do
+      page.within(find('.node-actions', match: :first)) do
+        page.click_link('Remove')
+      end
+
+      expect(current_path).to eq admin_geo_nodes_path
+      expect(page).not_to have_css('.geo-nodes')
+    end
+  end
+end