spec_helper.rb

ENV["RAILS_ENV"] ||= 'test'

require 'opal'
require 'opal-jquery'

begin
  require File.expand_path('../test_app/config/environment', __FILE__)
rescue LoadError
  puts 'Could not load test application. Please ensure you have run `bundle exec rake test_app`'
end
require 'rspec/rails'
require 'hyper-spec'
require 'pry'
require 'timecop'

RSpec.configure do |config|
  config.color = true
  config.fail_fast = ENV['FAIL_FAST'] || false
  config.fixture_paths = [File.join(File.expand_path(File.dirname(__FILE__)), "fixtures")]
  config.infer_spec_type_from_file_location!
  config.mock_with :rspec
  config.raise_errors_for_deprecations!

  # If you're not using ActiveRecord, or you'd prefer not to run each of your
  # examples within a transaction, comment the following line or assign false
  # instead of true.
  config.use_transactional_fixtures = true

  config.before :each do
    Rails.cache.clear
  end

  config.before :suite do
    if defined?(MiniRacer)
      MiniRacer_Backup = MiniRacer
      Object.send(:remove_const, :MiniRacer)
    end
  end

  config.around(:each, :prerendering_on) do |example|
    if defined?(MiniRacer_Backup)
      MiniRacer = MiniRacer_Backup
      example.run
      Object.send(:remove_const, :MiniRacer)
    else
      skip 'mini_racer not available; skipping prerendering test'
    end
  end

  config.filter_run_including focus: true
  config.filter_run_excluding opal: true
  config.run_all_when_everything_filtered = true

  # Fail tests on JavaScript errors in Chrome Headless
  class JavaScriptError < StandardError; end

  config.after(:each, js: true) do
    logs = page.driver.browser.logs.get(:browser)
    errors = logs.select { |e| e.level == "SEVERE" && e.message.present? }
                 .map { |m| m.message.gsub(/\\n/, "\n") }.to_a
    if client_options[:deprecation_warnings] == :on
      warnings = logs.select { |e| e.level == "WARNING" && e.message.present? }
                     .map { |m| m.message.gsub(/\\n/, "\n") }.to_a
      puts "\033[0;33;1m\nJavascript client console warnings:\n\n" + warnings.join("\n\n") + "\033[0;30;21m" if warnings.present?
    end
    unless client_options[:raise_on_js_errors] == :off
      raise JavaScriptError, errors.join("\n\n") if errors.present?
    end
  end

  HyperSpec::Helpers.alias_method :on_client, :before_mount
end

# Stubbing the React calls so we can test outside of Opal
# module React
#   class State
#     class << self
#       def reset!
#         @states = nil
#       end
#
#       def get_state(from, key)
#         states[from] ||= {}
#         states[from][key.to_s]
#       end
#
#       def set_state(from, key, value)
#         states[from] ||= {}
#         states[from][key.to_s] = value
#       end
#
#       def states
#         @states ||= {}
#       end
#     end
#   end
# end