Merge pull request #1866 from MushroomObserver/lightweight-uptime-pro…

…be-access-point

Added ultra-lightweight access point for uptime probe.

app/controllers/test_controller.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class TestController < ApplicationController
+  disable_filters
+
+  # Used to test if the server is up.
+  def index
+    render(plain: "hello")
+  end
+end

config/routes.rb

@@ -801,6 +801,9 @@ def route_actions_hash
         via: [:put, :patch],
         as: "species_list_projects")
 
+  # ----- Test if server is up  -------------------------------------
+  resources :test, only: [:index], controller: "test"
+
   # ----- Test pages  -------------------------------------------
   namespace :test_pages do
     resource :flash_redirection, only: [:show], controller: "flash_redirection"

test/controllers/test_controller_test.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require("test_helper")
+
+# Controller tests for info pages
+class TestControllerTest < FunctionalTestCase
+  def test_tester
+    get(:index)
+    assert_equal(200, @response.status)
+  end
+end

test/integration/capybara/random_integration_test.rb

@@ -9,6 +9,10 @@ def test_the_homepage
     assert_selector("body.observations__index")
   end
 
+  def test_uptime_probe
+    visit("/test")
+  end
+
   def test_login_and_logout
     login!(rolf)