Add specs configuration

spec/rails_helper.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+ENV['RAILS_ENV'] = 'test'
+
+require File.expand_path('dummy/config/environment.rb', __dir__)
+
+abort('The Rails environment is running in production mode!') if Rails.env.production?
+
+require 'rspec/rails'
+require 'capybara/rails'
+
+Dir[File.expand_path('support/**/*.rb', __dir__)].sort.each { |f| require f }
+
+require 'simplecov'
+SimpleCov.start :rails do
+  filters.clear
+  add_filter %r{^/spec/}
+end
+
+# Force deprecations to raise an exception.
+ActiveSupport::Deprecation.behavior = :raise
+
+# Checks for pending migrations and applies them before tests are run.
+# If you are not using ActiveRecord, you can remove these lines.
+begin
+  ActiveRecord::Migration.maintain_test_schema!
+rescue ActiveRecord::PendingMigrationError => e
+  puts e.to_s.strip
+  exit 1
+end
+
+RSpec.configure do |config|
+  config.fixture_path = "#{::Rails.root}/spec/fixtures"
+  config.infer_spec_type_from_file_location!
+  config.filter_rails_from_backtrace!
+
+  config.use_transactional_fixtures = true
+  config.use_instantiated_fixtures = false
+  config.render_views = false
+end