Class LoggerTest < ActiveSupport::TestCase

# File activesupport/test/logger_test.rb, line 13
def setup
  @message = "A debug message"
  @integer_message = 12345
  @output  = StringIO.new
  @logger  = Logger.new(@output)
end

# File activesupport/test/logger_test.rb, line 166
def test_broadcast_silencing_does_not_break_plain_ruby_logger
  another_output  = StringIO.new
  another_logger  = ::Logger.new(another_output)

  @logger.extend ActiveSupport::Logger.broadcast(another_logger)

  @logger.debug "CORRECT DEBUG"
  @logger.silence do |logger|
    assert_kind_of ActiveSupport::Logger, logger
    @logger.debug "FAILURE"
    @logger.error "CORRECT ERROR"
  end

  assert @output.string.include?("CORRECT DEBUG")
  assert @output.string.include?("CORRECT ERROR")
  assert_not @output.string.include?("FAILURE")

  assert another_output.string.include?("CORRECT DEBUG")
  assert another_output.string.include?("CORRECT ERROR")
  assert another_output.string.include?("FAILURE")
  # We can't silence plain ruby Logger cause with thread safety
  # but at least we don't break it
end

# File activesupport/test/logger_test.rb, line 124
def test_buffer_multibyte
  @logger.level = Logger::INFO
  @logger.info(UNICODE_STRING)
  @logger.info(BYTE_STRING)
  assert @output.string.include?(UNICODE_STRING)
  byte_string = @output.string.dup
  byte_string.force_encoding("ASCII-8BIT")
  assert byte_string.include?(BYTE_STRING)
end

# File activesupport/test/logger_test.rb, line 20
def test_log_outputs_to
  assert Logger.logger_outputs_to?(@logger, @output),            "Expected logger_outputs_to? @output to return true but was false"
  assert Logger.logger_outputs_to?(@logger, @output, STDOUT),    "Expected logger_outputs_to? @output or STDOUT to return true but was false"

  assert_not Logger.logger_outputs_to?(@logger, STDOUT),         "Expected logger_outputs_to? to STDOUT to return false, but was true"
  assert_not Logger.logger_outputs_to?(@logger, STDOUT, STDERR), "Expected logger_outputs_to? to STDOUT or STDERR to return false, but was true"
end

# File activesupport/test/logger_test.rb, line 224
def test_logger_level_local_thread_safety
  @logger.level = Logger::INFO
  assert_level(Logger::INFO)

  thread_1_latch = Concurrent::CountDownLatch.new
  thread_2_latch = Concurrent::CountDownLatch.new

  threads = (1..2).collect do |thread_number|
    Thread.new do
      # force thread 2 to wait until thread 1 is already in @logger.silence
      thread_2_latch.wait if thread_number == 2

      @logger.silence(Logger::ERROR) do
        assert_level(Logger::ERROR)
        @logger.silence(Logger::DEBUG) do
          # allow thread 2 to finish but hold thread 1
          if thread_number == 1
            thread_2_latch.count_down
            thread_1_latch.wait
          end
          assert_level(Logger::DEBUG)
        end
      end

      # allow thread 1 to finish
      assert_level(Logger::INFO)
      thread_1_latch.count_down if thread_number == 2
    end
  end

  threads.each(&:join)
  assert_level(Logger::INFO)
end

# File activesupport/test/logger_test.rb, line 202
def test_logger_level_main_thread_safety
  @logger.level = Logger::INFO
  assert_level(Logger::INFO)

  latch  = Concurrent::CountDownLatch.new
  latch2 = Concurrent::CountDownLatch.new

  t = Thread.new do
    latch.wait
    assert_level(Logger::INFO)
    latch2.count_down
  end

  @logger.silence(Logger::ERROR) do
    assert_level(Logger::ERROR)
    latch.count_down
    latch2.wait
  end

  t.join
end

# File activesupport/test/logger_test.rb, line 190
def test_logger_level_per_object_thread_safety
  logger1 = Logger.new(StringIO.new)
  logger2 = Logger.new(StringIO.new)

  level = Logger::DEBUG
  assert_equal level, logger1.level, "Expected level #{level_name(level)}, got #{level_name(logger1.level)}"
  assert_equal level, logger2.level, "Expected level #{level_name(level)}, got #{level_name(logger2.level)}"

  logger1.level = Logger::ERROR
  assert_equal level, logger2.level, "Expected level #{level_name(level)}, got #{level_name(logger2.level)}"
end

# File activesupport/test/logger_test.rb, line 144
def test_logger_silencing_works_for_broadcast
  another_output  = StringIO.new
  another_logger  = ActiveSupport::Logger.new(another_output)

  @logger.extend ActiveSupport::Logger.broadcast(another_logger)

  @logger.debug "CORRECT DEBUG"
  @logger.silence do |logger|
    assert_kind_of ActiveSupport::Logger, logger
    @logger.debug "FAILURE"
    @logger.error "CORRECT ERROR"
  end

  assert @output.string.include?("CORRECT DEBUG")
  assert @output.string.include?("CORRECT ERROR")
  assert_not @output.string.include?("FAILURE")

  assert another_output.string.include?("CORRECT DEBUG")
  assert another_output.string.include?("CORRECT ERROR")
  assert_not another_output.string.include?("FAILURE")
end

# File activesupport/test/logger_test.rb, line 79
def test_should_add_message_passed_as_block_when_using_add
  @logger.level = Logger::INFO
  @logger.add(Logger::INFO) {@message}
  assert @output.string.include?(@message)
end

# File activesupport/test/logger_test.rb, line 85
def test_should_add_message_passed_as_block_when_using_shortcut
  @logger.level = Logger::INFO
  @logger.info {@message}
  assert @output.string.include?(@message)
end

# File activesupport/test/logger_test.rb, line 91
def test_should_convert_message_to_string
  @logger.level = Logger::INFO
  @logger.info @integer_message
  assert @output.string.include?(@integer_message.to_s)
end

# File activesupport/test/logger_test.rb, line 97
def test_should_convert_message_to_string_when_passed_in_block
  @logger.level = Logger::INFO
  @logger.info {@integer_message}
  assert @output.string.include?(@integer_message.to_s)
end

# File activesupport/test/logger_test.rb, line 116
def test_should_know_if_its_loglevel_is_below_a_given_level
  Logger::Severity.constants.each do |level|
    next if level.to_s == 'UNKNOWN'
    @logger.level = Logger::Severity.const_get(level) - 1
    assert @logger.send("#{level.downcase}?"), "didn't know if it was #{level.downcase}? or below"
  end
end

# File activesupport/test/logger_test.rb, line 67
def test_should_log_debugging_message_when_debugging
  @logger.level = Logger::DEBUG
  @logger.add(Logger::DEBUG, @message)
  assert @output.string.include?(@message)
end

# File activesupport/test/logger_test.rb, line 103
def test_should_not_evaluate_block_if_message_wont_be_logged
  @logger.level = Logger::INFO
  evaluated = false
  @logger.add(Logger::DEBUG) {evaluated = true}
  assert evaluated == false
end

# File activesupport/test/logger_test.rb, line 73
def test_should_not_log_debug_messages_when_log_level_is_info
  @logger.level = Logger::INFO
  @logger.add(Logger::DEBUG, @message)
  assert_not @output.string.include?(@message)
end

# File activesupport/test/logger_test.rb, line 110
def test_should_not_mutate_message
  message_copy = @message.dup
  @logger.info @message
  assert_equal message_copy, @message
end

# File activesupport/test/logger_test.rb, line 134
def test_silencing_everything_but_errors
  @logger.silence do
    @logger.debug "NOT THERE"
    @logger.error "THIS IS HERE"
  end

  assert_not @output.string.include?("NOT THERE")
  assert @output.string.include?("THIS IS HERE")
end

# File activesupport/test/logger_test.rb, line 49
def test_write_binary_data_create_file
  fname = File.join Dir.tmpdir, 'lol', 'rofl.log'
  FileUtils.mkdir_p File.dirname(fname)
  f = File.open(fname, 'w')
  f.binmode

  logger = Logger.new f
  logger.level = Logger::DEBUG

  str = "\x80"
  str.force_encoding("ASCII-8BIT")

  logger.add Logger::DEBUG, str
ensure
  logger.close
  File.unlink fname
end

# File activesupport/test/logger_test.rb, line 28
def test_write_binary_data_to_existing_file
  t = Tempfile.new ['development', 'log']
  t.binmode
  t.write 'hi mom!'
  t.close

  f = File.open(t.path, 'w')
  f.binmode

  logger = Logger.new f
  logger.level = Logger::DEBUG

  str = "\x80"
  str.force_encoding("ASCII-8BIT")

  logger.add Logger::DEBUG, str
ensure
  logger.close
  t.close true
end