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require 'test/unit'
require 'logger'
require 'tempfile'
class TestLoggerSeverity < Test::Unit::TestCase
def test_enum
logger_levels = Logger.constants
levels = ["WARN", "UNKNOWN", "INFO", "FATAL", "DEBUG", "ERROR"]
Logger::Severity.constants.each do |level|
assert(levels.include?(level))
assert(logger_levels.include?(level))
end
assert_equal(levels.size, Logger::Severity.constants.size)
end
end
class TestLogger < Test::Unit::TestCase
include Logger::Severity
def setup
@logger = Logger.new(nil)
end
def test_const_progname
assert %r!\Alogger\.rb/\S+\z! === Logger::ProgName
end
class Log
attr_reader :label, :datetime, :pid, :severity, :progname, :msg
def initialize(line)
/\A(\w+), \[([^#]*)#(\d+)\]\s+(\w+) -- (\w*): ([\x0-\xff]*)/ =~ line
@label, @datetime, @pid, @severity, @progname, @msg = $1, $2, $3, $4, $5, $6
end
end
def log_add(logger, severity, msg, progname = nil, &block)
log(logger, :add, severity, msg, progname, &block)
end
def log(logger, msg_id, *arg, &block)
Log.new(log_raw(logger, msg_id, *arg, &block))
end
def log_raw(logger, msg_id, *arg, &block)
logdev = Tempfile.new(File.basename(__FILE__) + '.log')
logger.instance_eval { @logdev = Logger::LogDevice.new(logdev) }
logger.__send__(msg_id, *arg, &block)
logdev.open
msg = logdev.read
logdev.close
msg.gsub!(/\r\n/, "\n") # tempfile writes with crlf logic on...fix for tests
msg
end
def test_level
@logger.level = UNKNOWN
assert_equal(UNKNOWN, @logger.level)
@logger.level = INFO
assert_equal(INFO, @logger.level)
@logger.sev_threshold = ERROR
assert_equal(ERROR, @logger.sev_threshold)
@logger.sev_threshold = WARN
assert_equal(WARN, @logger.sev_threshold)
assert_equal(WARN, @logger.level)
@logger.level = DEBUG
assert(@logger.debug?)
assert(@logger.info?)
@logger.level = INFO
assert(!@logger.debug?)
assert(@logger.info?)
assert(@logger.warn?)
@logger.level = WARN
assert(!@logger.info?)
assert(@logger.warn?)
assert(@logger.error?)
@logger.level = ERROR
assert(!@logger.warn?)
assert(@logger.error?)
assert(@logger.fatal?)
@logger.level = FATAL
assert(!@logger.error?)
assert(@logger.fatal?)
@logger.level = UNKNOWN
assert(!@logger.error?)
assert(!@logger.fatal?)
end
def test_progname
assert_nil(@logger.progname)
@logger.progname = "name"
assert_equal("name", @logger.progname)
end
def test_datetime_format
dummy = STDERR
logger = Logger.new(dummy)
log = log_add(logger, INFO, "foo")
assert_match(/^\d\d\d\d-\d\d-\d\dT\d\d:\d\d:\d\d.\s*\d+ $/, log.datetime)
logger.datetime_format = "%d%b%Y@%H:%M:%S"
log = log_add(logger, INFO, "foo")
assert_match(/^\d\d\w\w\w\d\d\d\d@\d\d:\d\d:\d\d$/, log.datetime)
logger.datetime_format = ""
log = log_add(logger, INFO, "foo")
assert_match(/^$/, log.datetime)
end
def test_formatter
dummy = STDERR
logger = Logger.new(dummy)
# default
log = log(logger, :info, "foo")
assert_equal("foo\n", log.msg)
# config
logger.formatter = proc { |severity, timestamp, progname, msg|
"#{severity}:#{msg}\n\n"
}
line = log_raw(logger, :info, "foo")
assert_equal("INFO:foo\n\n", line)
# recover
logger.formatter = nil
log = log(logger, :info, "foo")
assert_equal("foo\n", log.msg)
# again
o = Object.new
def o.call(severity, timestamp, progname, msg)
"<<#{severity}-#{msg}>>\n"
end
logger.formatter = o
line = log_raw(logger, :info, "foo")
assert_equal("<<INFO-foo>>\n", line)
end
def test_initialize
logger = Logger.new(STDERR)
assert_nil(logger.progname)
assert_equal(DEBUG, logger.level)
assert_nil(logger.datetime_format)
end
def test_add
logger = Logger.new(nil)
logger.progname = "my_progname"
assert(logger.add(INFO))
log = log_add(logger, nil, "msg")
assert_equal("ANY", log.severity)
assert_equal("my_progname", log.progname)
logger.level = WARN
assert(logger.log(INFO))
assert_nil(log_add(logger, INFO, "msg").msg)
log = log_add(logger, WARN, nil) { "msg" }
assert_equal("msg\n", log.msg)
log = log_add(logger, WARN, "") { "msg" }
assert_equal("\n", log.msg)
assert_equal("my_progname", log.progname)
log = log_add(logger, WARN, nil, "progname?")
assert_equal("progname?\n", log.msg)
assert_equal("my_progname", log.progname)
end
def test_level_log
logger = Logger.new(nil)
logger.progname = "my_progname"
log = log(logger, :debug, "custom_progname") { "msg" }
assert_equal("msg\n", log.msg)
assert_equal("custom_progname", log.progname)
assert_equal("DEBUG", log.severity)
assert_equal("D", log.label)
#
log = log(logger, :debug) { "msg_block" }
assert_equal("msg_block\n", log.msg)
assert_equal("my_progname", log.progname)
log = log(logger, :debug, "msg_inline")
assert_equal("msg_inline\n", log.msg)
assert_equal("my_progname", log.progname)
#
log = log(logger, :info, "custom_progname") { "msg" }
assert_equal("msg\n", log.msg)
assert_equal("custom_progname", log.progname)
assert_equal("INFO", log.severity)
assert_equal("I", log.label)
#
log = log(logger, :warn, "custom_progname") { "msg" }
assert_equal("msg\n", log.msg)
assert_equal("custom_progname", log.progname)
assert_equal("WARN", log.severity)
assert_equal("W", log.label)
#
log = log(logger, :error, "custom_progname") { "msg" }
assert_equal("msg\n", log.msg)
assert_equal("custom_progname", log.progname)
assert_equal("ERROR", log.severity)
assert_equal("E", log.label)
#
log = log(logger, :fatal, "custom_progname") { "msg" }
assert_equal("msg\n", log.msg)
assert_equal("custom_progname", log.progname)
assert_equal("FATAL", log.severity)
assert_equal("F", log.label)
#
log = log(logger, :unknown, "custom_progname") { "msg" }
assert_equal("msg\n", log.msg)
assert_equal("custom_progname", log.progname)
assert_equal("ANY", log.severity)
assert_equal("A", log.label)
end
def test_close
r, w = IO.pipe
assert(!w.closed?)
logger = Logger.new(w)
logger.close
assert(w.closed?)
r.close
end
class MyError < StandardError
end
class MyMsg
def inspect
"my_msg"
end
end
def test_format
logger = Logger.new(nil)
log = log_add(logger, INFO, "msg\n")
assert_equal("msg\n\n", log.msg)
begin
raise MyError.new("excn")
rescue MyError => e
log = log_add(logger, INFO, e)
assert_match(/^excn \(TestLogger::MyError\)/, log.msg)
# expects backtrace is dumped across multi lines. 10 might be changed.
assert(log.msg.split(/\n/).size >= 10)
end
log = log_add(logger, INFO, MyMsg.new)
assert_equal("my_msg\n", log.msg)
end
def test_lshift
r, w = IO.pipe
logger = Logger.new(w)
logger << "msg"
read_ready, = IO.select([r], nil, nil, 0.1)
w.close
msg = r.read
r.close
assert_equal("msg", msg)
#
r, w = IO.pipe
logger = Logger.new(w)
logger << "msg2\n\n"
read_ready, = IO.select([r], nil, nil, 0.1)
w.close
msg = r.read
r.close
assert_equal("msg2\n\n", msg)
end
end
class TestLogDevice < Test::Unit::TestCase
def d(log)
Logger::LogDevice.new(log)
end
def test_initialize
logdev = d(STDERR)
assert_equal(STDERR, logdev.dev)
assert_nil(logdev.filename)
assert_raises(TypeError) do
d(nil)
end
#
filename = __FILE__ + ".#{$$}"
begin
logdev = d(filename)
assert(File.exist?(filename))
assert(logdev.dev.sync)
assert_equal(filename, logdev.filename)
ensure
logdev.close
File.unlink(filename)
end
end
def test_write
r, w = IO.pipe
logdev = d(w)
logdev.write("msg2\n\n")
read_ready, = IO.select([r], nil, nil, 0.1)
w.close
msg = r.read
r.close
assert_equal("msg2\n\n", msg)
end
def test_close
r, w = IO.pipe
logdev = d(w)
logdev.write("msg2\n\n")
read_ready, = IO.select([r], nil, nil, 0.1)
assert(!w.closed?)
logdev.close
assert(w.closed?)
r.close
end
def test_shifting_size
logfile = File.basename(__FILE__) + '_1.log'
logfile0 = logfile + '.0'
logfile1 = logfile + '.1'
logfile2 = logfile + '.2'
logfile3 = logfile + '.3'
File.unlink(logfile) if File.exist?(logfile)
File.unlink(logfile0) if File.exist?(logfile0)
File.unlink(logfile1) if File.exist?(logfile1)
File.unlink(logfile2) if File.exist?(logfile2)
logger = Logger.new(logfile, 4, 100)
logger.error("0" * 15)
assert(File.exist?(logfile))
assert(!File.exist?(logfile0))
logger.error("0" * 15)
assert(File.exist?(logfile0))
assert(!File.exist?(logfile1))
logger.error("0" * 15)
assert(File.exist?(logfile1))
assert(!File.exist?(logfile2))
logger.error("0" * 15)
assert(File.exist?(logfile2))
assert(!File.exist?(logfile3))
logger.error("0" * 15)
assert(!File.exist?(logfile3))
logger.error("0" * 15)
assert(!File.exist?(logfile3))
logger.close
File.unlink(logfile)
File.unlink(logfile0)
File.unlink(logfile1)
File.unlink(logfile2)
logfile = File.basename(__FILE__) + '_2.log'
logfile0 = logfile + '.0'
logfile1 = logfile + '.1'
logfile2 = logfile + '.2'
logfile3 = logfile + '.3'
logger = Logger.new(logfile, 4, 150)
logger.error("0" * 15)
assert(File.exist?(logfile))
assert(!File.exist?(logfile0))
logger.error("0" * 15)
assert(!File.exist?(logfile0))
logger.error("0" * 15)
assert(File.exist?(logfile0))
assert(!File.exist?(logfile1))
logger.error("0" * 15)
assert(!File.exist?(logfile1))
logger.error("0" * 15)
assert(File.exist?(logfile1))
assert(!File.exist?(logfile2))
logger.error("0" * 15)
assert(!File.exist?(logfile2))
logger.error("0" * 15)
assert(File.exist?(logfile2))
assert(!File.exist?(logfile3))
logger.error("0" * 15)
assert(!File.exist?(logfile3))
logger.error("0" * 15)
assert(!File.exist?(logfile3))
logger.error("0" * 15)
assert(!File.exist?(logfile3))
logger.close
File.unlink(logfile)
File.unlink(logfile0)
File.unlink(logfile1)
File.unlink(logfile2)
end
end
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