# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/rpm/blob/master/LICENSE for complete details.

# RUBY-839 make sure there is no STDOUT chatter
require 'open3'

class StartUpTest < Minitest::Test
  def test_should_not_print_to_stdout_when_logging_available
    ruby = 'require "newrelic_rpm"; NewRelic::Agent.manual_start; NewRelic::Agent.shutdown'
    cmd = "bundle exec ruby -e '#{ruby}'"

    _sin, sout, serr = Open3.popen3(cmd)
    output = sout.read + serr.read

    expected_noise = [
      "JRuby limited openssl loaded. http://jruby.org/openssl\n",
      "gem install jruby-openssl for full support.\n",
      "fatal: Not a git repository (or any of the parent directories): .git\n",
      /Exception\: java\.lang.*\n/]

    expected_noise.each {|noise| output.gsub!(noise, "")}

    assert_equal '', output.chomp
  end

  def test_instrumentation_loads_clean_even_without_dependencies
    assert_runs_without_errors("bundle exec ruby script/loading.rb")
  end

  def test_manual_start_with_symbol_for_environment
    assert_runs_without_errors("bundle exec ruby script/symbol_env.rb")
  end

  def test_manual_start_logs_about_mismatched_environment
    output = `bundle exec ruby script/env_change.rb`

    assert_match(/ERROR.*Attempted to start agent.*production.*development/, output, output)
  end

  def test_after_fork_does_not_blow_away_manual_start_settings
    NewRelic::Agent.manual_start(:app_name => 'my great app')

    NewRelic::Agent.after_fork

    assert_equal('my great app', NewRelic::Agent.config[:app_name])
  end

  def assert_runs_without_errors(command)
    output = `#{command}`

    problems = output.scan(/ERROR : .*/)
    assert_empty problems
  end
end