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-rw-r--r--test/logger/test_logdevice.rb342
1 files changed, 342 insertions, 0 deletions
diff --git a/test/logger/test_logdevice.rb b/test/logger/test_logdevice.rb
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+++ b/test/logger/test_logdevice.rb
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+# coding: US-ASCII
+require 'test/unit'
+require 'logger'
+require 'tempfile'
+require 'tmpdir'
+require_relative '../ruby/envutil'
+
+class TestLogDevice < Test::Unit::TestCase
+ class LogExcnRaiser
+ def write(*arg)
+ raise 'disk is full'
+ end
+
+ def close
+ end
+
+ def stat
+ Object.new
+ end
+ end
+
+ def setup
+ @tempfile = Tempfile.new("logger")
+ @tempfile.close
+ @filename = @tempfile.path
+ File.unlink(@filename)
+ end
+
+ def teardown
+ @tempfile.close(true)
+ end
+
+ def d(log, opt = {})
+ Logger::LogDevice.new(log, opt)
+ end
+
+ def test_initialize
+ logdev = d(STDERR)
+ assert_equal(STDERR, logdev.dev)
+ assert_nil(logdev.filename)
+ assert_raises(TypeError) do
+ d(nil)
+ end
+ #
+ logdev = d(@filename)
+ begin
+ assert(File.exist?(@filename))
+ assert(logdev.dev.sync)
+ assert_equal(@filename, logdev.filename)
+ logdev.write('hello')
+ ensure
+ logdev.close
+ end
+ # create logfile whitch is already exist.
+ logdev = d(@filename)
+ begin
+ logdev.write('world')
+ logfile = File.read(@filename)
+ assert_equal(2, logfile.split(/\n/).size)
+ assert_match(/^helloworld$/, logfile)
+ ensure
+ logdev.close
+ end
+ end
+
+ def test_write
+ r, w = IO.pipe
+ logdev = d(w)
+ logdev.write("msg2\n\n")
+ IO.select([r], nil, nil, 0.1)
+ w.close
+ msg = r.read
+ r.close
+ assert_equal("msg2\n\n", msg)
+ #
+ logdev = d(LogExcnRaiser.new)
+ class << (stderr = '')
+ alias write <<
+ end
+ $stderr, stderr = stderr, $stderr
+ begin
+ assert_nothing_raised do
+ logdev.write('hello')
+ end
+ ensure
+ logdev.close
+ $stderr, stderr = stderr, $stderr
+ end
+ assert_equal "log writing failed. disk is full\n", stderr
+ end
+
+ def test_close
+ r, w = IO.pipe
+ logdev = d(w)
+ logdev.write("msg2\n\n")
+ IO.select([r], nil, nil, 0.1)
+ assert(!w.closed?)
+ logdev.close
+ assert(w.closed?)
+ r.close
+ end
+
+ def test_shifting_size
+ tmpfile = Tempfile.new([File.basename(__FILE__, '.*'), '_1.log'])
+ logfile = tmpfile.path
+ logfile0 = logfile + '.0'
+ logfile1 = logfile + '.1'
+ logfile2 = logfile + '.2'
+ logfile3 = logfile + '.3'
+ tmpfile.close(true)
+ 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)
+
+ tmpfile = Tempfile.new([File.basename(__FILE__, '.*'), '_2.log'])
+ logfile = tmpfile.path
+ logfile0 = logfile + '.0'
+ logfile1 = logfile + '.1'
+ logfile2 = logfile + '.2'
+ logfile3 = logfile + '.3'
+ tmpfile.close(true)
+ 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
+
+ def test_shifting_age_variants
+ logger = Logger.new(@filename, 'daily')
+ logger.info('daily')
+ logger.close
+ logger = Logger.new(@filename, 'weekly')
+ logger.info('weekly')
+ logger.close
+ logger = Logger.new(@filename, 'monthly')
+ logger.info('monthly')
+ logger.close
+ end
+
+ def test_shifting_age
+ # shift_age other than 'daily', 'weekly', and 'monthly' means 'everytime'
+ yyyymmdd = Time.now.strftime("%Y%m%d")
+ filename1 = @filename + ".#{yyyymmdd}"
+ filename2 = @filename + ".#{yyyymmdd}.1"
+ filename3 = @filename + ".#{yyyymmdd}.2"
+ begin
+ logger = Logger.new(@filename, 'now')
+ assert(File.exist?(@filename))
+ assert(!File.exist?(filename1))
+ assert(!File.exist?(filename2))
+ assert(!File.exist?(filename3))
+ logger.info("0" * 15)
+ assert(File.exist?(@filename))
+ assert(File.exist?(filename1))
+ assert(!File.exist?(filename2))
+ assert(!File.exist?(filename3))
+ logger.warn("0" * 15)
+ assert(File.exist?(@filename))
+ assert(File.exist?(filename1))
+ assert(File.exist?(filename2))
+ assert(!File.exist?(filename3))
+ logger.error("0" * 15)
+ assert(File.exist?(@filename))
+ assert(File.exist?(filename1))
+ assert(File.exist?(filename2))
+ assert(File.exist?(filename3))
+ ensure
+ logger.close if logger
+ [filename1, filename2, filename3].each do |filename|
+ File.unlink(filename) if File.exist?(filename)
+ end
+ end
+ end
+
+ def test_shifting_size_in_multiprocess
+ tmpfile = Tempfile.new([File.basename(__FILE__, '.*'), '_1.log'])
+ logfile = tmpfile.path
+ logfile0 = logfile + '.0'
+ logfile1 = logfile + '.1'
+ logfile2 = logfile + '.2'
+ tmpfile.close(true)
+ 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)
+ begin
+ stderr = run_children(2, [logfile], <<-'END')
+ logger = Logger.new(ARGV[0], 4, 10)
+ 10.times do
+ logger.info '0' * 15
+ end
+ END
+ assert_no_match(/log shifting failed/, stderr)
+ assert_no_match(/log writing failed/, stderr)
+ assert_no_match(/log rotation inter-process lock failed/, stderr)
+ ensure
+ 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)
+ end
+ end
+
+ def test_shifting_age_in_multiprocess
+ yyyymmdd = Time.now.strftime("%Y%m%d")
+ begin
+ stderr = run_children(2, [@filename], <<-'END')
+ logger = Logger.new(ARGV[0], 'now')
+ 10.times do
+ logger.info '0' * 15
+ end
+ END
+ assert_no_match(/log shifting failed/, stderr)
+ assert_no_match(/log writing failed/, stderr)
+ assert_no_match(/log rotation inter-process lock failed/, stderr)
+ ensure
+ Dir.glob("#{@filename}.#{yyyymmdd}{,.[1-9]*}") do |filename|
+ File.unlink(filename) if File.exist?(filename)
+ end
+ end
+ end
+
+ def test_open_logfile_in_multiprocess
+ tmpfile = Tempfile.new([File.basename(__FILE__, '.*'), '_1.log'])
+ logfile = tmpfile.path
+ tmpfile.close(true)
+ begin
+ 20.times do
+ run_children(2, [logfile], <<-'END')
+ logfile = ARGV[0]
+ logdev = Logger::LogDevice.new(logfile)
+ logdev.send(:open_logfile, logfile)
+ END
+ assert_equal(1, File.readlines(logfile).grep(/# Logfile created on/).size)
+ File.unlink(logfile)
+ end
+ ensure
+ File.unlink(logfile) if File.exist?(logfile)
+ end
+ end
+
+ def test_shifting_size_not_rotate_too_much
+ d(@filename).__send__(:add_log_header, @tempfile)
+ header_size = @tempfile.size
+ message = "*" * 99 + "\n"
+ shift_size = header_size + message.size * 3 - 1
+ opt = {shift_age: 1, shift_size: shift_size}
+
+ Dir.mktmpdir do |tmpdir|
+ begin
+ log = File.join(tmpdir, "log")
+ logdev1 = d(log, opt)
+ logdev2 = d(log, opt)
+
+ assert_file.identical?(log, logdev1.dev)
+ assert_file.identical?(log, logdev2.dev)
+
+ 3.times{logdev1.write(message)}
+ assert_file.identical?(log, logdev1.dev)
+ assert_file.identical?(log, logdev2.dev)
+
+ logdev1.write(message)
+ assert_file.identical?(log, logdev1.dev)
+ assert_file.identical?(log + ".0", logdev2.dev)
+
+ logdev2.write(message)
+ assert_file.identical?(log, logdev1.dev)
+ assert_file.identical?(log, logdev2.dev)
+
+ logdev1.write(message)
+ assert_file.identical?(log, logdev1.dev)
+ assert_file.identical?(log, logdev2.dev)
+ ensure
+ logdev1.close if logdev1
+ logdev2.close if logdev2
+ end
+ end
+ end unless /mswin|mingw/ =~ RUBY_PLATFORM
+
+ private
+
+ def run_children(n, args, src)
+ r, w = IO.pipe
+ [w, *(1..n).map do
+ f = IO.popen([EnvUtil.rubybin, *%w[--disable=gems -rlogger -], *args], "w", err: w)
+ f.puts(src)
+ f
+ end].each(&:close)
+ stderr = r.read
+ r.close
+ stderr
+ end
+end
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