require File.expand_path(File.join(File.dirname(__FILE__),'/../../test_helper'))

class NewRelic::Control::ConfigurationTest < Test::Unit::TestCase
  require 'new_relic/control/configuration'
  include NewRelic::Control::Configuration
  
  def setup
    # The log stuff is memoized so let's clear it each time.
    NewRelic::Control.instance.instance_variable_set '@log_path', nil
    NewRelic::Control.instance.instance_variable_set '@log_file', nil
    @root = ::Rails::VERSION::MAJOR == 3 ? Rails.root : RAILS_ROOT
  end
  
  def teardown
    NewRelic::Control.instance.settings.delete('log_file_path')
  end
  
  def test_license_key_defaults_to_env_variable
    ENV['NEWRELIC_LICENSE_KEY'] = nil
    self.expects(:fetch).with('license_key', nil)
    license_key

    ENV['NEWRELIC_LICENSE_KEY'] = "a string"
    self.expects(:fetch).with('license_key', 'a string')
    license_key
  end
  
  def test_log_path_uses_default_if_not_set
    NewRelic::Control.instance.setup_log
    assert_equal(File.expand_path("log/newrelic_agent.log"),
                 NewRelic::Control.instance.log_file)
  end

  def test_log_file_path_uses_given_value
    Dir.stubs(:mkdir).returns(true)
    NewRelic::Control.instance['log_file_path'] = 'lerg'
    NewRelic::Control.instance.setup_log
    assert_match(/\/lerg\/newrelic_agent.log/,
                 NewRelic::Control.instance.log_file)
    NewRelic::Control.instance.settings.delete('log_file_path') # = nil    
  end

  def test_server_side_config_ignores_yaml
    settings.merge! 'ssl' => false, 'transaction_tracer' => {'enabled' => true, 'stack_trace_threshold' => 1.0}, 'error_collector' => {'enabled' => true, 'ignore_errors' => 'ActiveRecord::RecordNotFound'}, 'capture_params' => false
    merge_server_side_config 'transaction_tracer.enabled' => false, 'error_collector.enabled' => false
    assert_equal({'ssl' => false, 'transaction_tracer' => {'enabled' => false}, 'error_collector' => {'enabled' => false}}, settings)
  end

  def test_install_browser_monitoring
    require(File.expand_path(File.join(File.dirname(__FILE__),
                         '/../../../lib/new_relic/rack/browser_monitoring')))
    middleware = stub('middleware config')
    config = stub('rails config', :middleware => middleware)
    middleware.expects(:use).with(NewRelic::Rack::BrowserMonitoring)
    NewRelic::Control.instance['browser_monitoring'] = { 'auto_instrument' => true }
    NewRelic::Control.instance.instance_eval { @browser_monitoring_installed = false }

    NewRelic::Control.instance.install_browser_monitoring(config)
  end

  def test_install_browser_monitoring_should_not_install_when_not_configured
    middleware = stub('middleware config')
    config = stub('rails config', :middleware => middleware)
    middleware.expects(:use).never
    NewRelic::Control.instance['browser_monitoring'] = { 'auto_instrument' => false }
    NewRelic::Control.instance.instance_eval { @browser_monitoring_installed = false }
    
    NewRelic::Control.instance.install_browser_monitoring(config)

    NewRelic::Control.instance['browser_monitoring'] = { 'auto_instrument' => true }
  end

  def test_data_serialization_default_off
    DependencyDetection.send(:class_variable_set, '@@items', [])
    assert NewRelic::Control.instance.disable_serialization?
  end
end