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# coding: US-ASCII
# frozen_string_literal: false
require 'test/unit'
require 'logger'
require 'tempfile'
class TestLogger < Test::Unit::TestCase
include Logger::Severity
def setup
@logger = Logger.new(nil)
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)
Tempfile.create(File.basename(__FILE__) + '.log') {|logdev|
logger.instance_eval { @logdev = Logger::LogDevice.new(logdev) }
logger.__send__(msg_id, *arg, &block)
logdev.rewind
logdev.read
}
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_symbol_level
logger_symbol_levels = {
debug: DEBUG,
info: INFO,
warn: WARN,
error: ERROR,
fatal: FATAL,
unknown: UNKNOWN,
DEBUG: DEBUG,
INFO: INFO,
WARN: WARN,
ERROR: ERROR,
FATAL: FATAL,
UNKNOWN: UNKNOWN,
}
logger_symbol_levels.each do |symbol, level|
@logger.level = symbol
assert(@logger.level == level)
end
assert_raise(ArgumentError) { @logger.level = :something_wrong }
end
def test_string_level
logger_string_levels = {
'debug' => DEBUG,
'info' => INFO,
'warn' => WARN,
'error' => ERROR,
'fatal' => FATAL,
'unknown' => UNKNOWN,
'DEBUG' => DEBUG,
'INFO' => INFO,
'WARN' => WARN,
'ERROR' => ERROR,
'FATAL' => FATAL,
'UNKNOWN' => UNKNOWN,
}
logger_string_levels.each do |string, level|
@logger.level = string
assert(@logger.level == level)
end
assert_raise(ArgumentError) { @logger.level = 'something_wrong' }
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_reopen
logger = Logger.new(STDERR)
logger.reopen(STDOUT)
assert_equal(STDOUT, logger.instance_variable_get(:@logdev).dev)
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
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