healthcheck.diff

diff --git a/Gemfile b/Gemfile
index ddc9c44..d824388 100644
--- a/Gemfile
+++ b/Gemfile
@@ -96,4 +96,6 @@ group :test do
 
   gem 'capybara-screenshot'
   gem 'rspec-rails'
+  gem "timecop"
 end
+
diff --git a/Gemfile.lock b/Gemfile.lock
index 93812e6..68ebe2c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -275,6 +275,7 @@ GEM
     tailwindcss-rails (2.0.21-x86_64-linux)
       railties (>= 6.0.0)
     thor (1.2.1)
+    timecop (0.9.6)
     timeout (0.3.1)
     turbo-rails (1.3.2)
       actionpack (>= 6.0.0)
@@ -301,6 +302,7 @@ GEM
     zeitwerk (2.6.6)
 
 PLATFORMS
+  aarch64-linux
   x86_64-linux
 
 DEPENDENCIES
@@ -336,6 +338,7 @@ DEPENDENCIES
   sprockets-rails
   stimulus-rails
   tailwindcss-rails
+  timecop
   turbo-rails
   tzinfo-data
   web-console
diff --git a/app/controllers/healthcheck_controller.rb b/app/controllers/healthcheck_controller.rb
new file mode 100644
index 0000000..584b1f5
--- /dev/null
+++ b/app/controllers/healthcheck_controller.rb
@@ -0,0 +1,6 @@
+class HealthcheckController < ApplicationController
+  def index
+    current_time = Time.now.to_i
+    render json: { time: current_time }
+  end
+end
diff --git a/app/helpers/healthcheck_helper.rb b/app/helpers/healthcheck_helper.rb
new file mode 100644
index 0000000..6c52fff
--- /dev/null
+++ b/app/helpers/healthcheck_helper.rb
@@ -0,0 +1,2 @@
+module HealthcheckHelper
+end
diff --git a/config/routes.rb b/config/routes.rb
index fcccb90..ad1e9d4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -18,4 +18,5 @@ Rails.application.routes.draw do
   root to: 'home#index'
   get '/doc' => 'home#doc', :format => false
   get '/doc/redoc' => 'home#redoc', :format => false
+  get '/healthcheck', to: 'healthcheck#index', defaults: { format: 'json' }
 end
diff --git a/spec/controllers/healthcheck_controller_spec.rb b/spec/controllers/healthcheck_controller_spec.rb
new file mode 100644
index 0000000..0093de0
--- /dev/null
+++ b/spec/controllers/healthcheck_controller_spec.rb
@@ -0,0 +1,28 @@
+require 'rails_helper'
+
+RSpec.describe HealthcheckController, type: :controller do
+  describe 'GET #index' do
+    before do
+      Timecop.freeze(Time.zone.local(2023, 1, 1, 12, 0, 0))
+    end
+
+    after do
+      Timecop.return
+    end
+
+    it 'returns http success' do
+      get :index
+      expect(response).to have_http_status(:success)
+    end
+
+    it 'returns current time in unix timestamp format' do
+      get :index
+      json_response = JSON.parse(response.body)
+      current_time = Time.now.to_i
+      returned_time = json_response['time']
+
+      expect(returned_time).to eq(current_time)
+    end
+  end
+end
+
diff --git a/test/controllers/healthcheck_controller_test.rb b/test/controllers/healthcheck_controller_test.rb
new file mode 100644
index 0000000..e2a212a
--- /dev/null
+++ b/test/controllers/healthcheck_controller_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class HealthcheckControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end