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require 'abstract_unit'
require 'multibyte_test_helpers'
require 'stringio'
require 'fileutils'
require 'tempfile'
class LoggerTest < ActiveSupport::TestCase
include MultibyteTestHelpers
Logger = ActiveSupport::Logger
def setup
@message = "A debug message"
@integer_message = 12345
@output = StringIO.new
@logger = Logger.new(@output)
end
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
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
def test_should_log_debugging_message_when_debugging
@logger.level = Logger::DEBUG
@logger.add(Logger::DEBUG, @message)
assert @output.string.include?(@message)
end
def test_should_not_log_debug_messages_when_log_level_is_info
@logger.level = Logger::INFO
@logger.add(Logger::DEBUG, @message)
assert ! @output.string.include?(@message)
end
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
def test_should_add_message_passed_as_block_when_using_shortcut
@logger.level = Logger::INFO
@logger.info {@message}
assert @output.string.include?(@message)
end
def test_should_convert_message_to_string
@logger.level = Logger::INFO
@logger.info @integer_message
assert @output.string.include?(@integer_message.to_s)
end
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
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
def test_should_not_mutate_message
message_copy = @message.dup
@logger.info @message
assert_equal message_copy, @message
end
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
def test_buffer_multibyte
@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
def test_silencing_everything_but_errors
@logger.silence do
@logger.debug "NOT THERE"
@logger.error "THIS IS HERE"
end
assert !@output.string.include?("NOT THERE")
assert @output.string.include?("THIS IS HERE")
end
end
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