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# encoding: UTF-8
require File.expand_path('../setup', File.dirname(__FILE__))
module TestLogging
module TestAppenders
class TestFile < Test::Unit::TestCase
include LoggingTestCase
NAME = 'logfile'
def setup
super
Logging.init
FileUtils.mkdir [File.join(@tmpdir, 'dir'), File.join(@tmpdir, 'uw_dir')]
FileUtils.chmod 0555, File.join(@tmpdir, 'uw_dir')
FileUtils.touch File.join(@tmpdir, 'uw_file')
FileUtils.chmod 0444, File.join(@tmpdir, 'uw_file')
end
def test_factory_method_validates_input
assert_raise(ArgumentError) do
Logging.appenders.file
end
end
def test_class_assert_valid_logfile
log = File.join(@tmpdir, 'uw_dir', 'file.log')
assert_raise(ArgumentError) do
Logging.appenders.file(log).class.assert_valid_logfile(log)
end if Process.euid != 0
log = File.join(@tmpdir, 'dir')
assert_raise(ArgumentError) do
Logging.appenders.file(log).class.assert_valid_logfile(log)
end
log = File.join(@tmpdir, 'uw_file')
assert_raise(ArgumentError) do
Logging.appenders.file(log).class.assert_valid_logfile(log)
end if Process.euid != 0
log = File.join(@tmpdir, 'file.log')
assert Logging.appenders.file(log).class.assert_valid_logfile(log)
end
def test_initialize
log = File.join(@tmpdir, 'file.log')
appender = Logging.appenders.file(NAME, :filename => log)
assert_equal 'logfile', appender.name
assert_equal ::File.expand_path(log), appender.filename
appender << "This will be the first line\n"
appender << "This will be the second line\n"
appender.flush
File.open(log, 'r') do |file|
assert_equal "This will be the first line\n", file.readline
assert_equal "This will be the second line\n", file.readline
assert_raise(EOFError) {file.readline}
end
cleanup
appender = Logging.appenders.file(NAME, :filename => log)
assert_equal 'logfile', appender.name
assert_equal ::File.expand_path(log), appender.filename
appender << "This will be the third line\n"
appender.flush
File.open(log, 'r') do |file|
assert_equal "This will be the first line\n", file.readline
assert_equal "This will be the second line\n", file.readline
assert_equal "This will be the third line\n", file.readline
assert_raise(EOFError) {file.readline}
end
cleanup
appender = Logging.appenders.file(NAME, :filename => log,
:truncate => true)
assert_equal 'logfile', appender.name
appender << "The file was truncated\n"
appender.flush
File.open(log, 'r') do |file|
assert_equal "The file was truncated\n", file.readline
assert_raise(EOFError) {file.readline}
end
cleanup
end
def test_changing_directories
log = File.join(@tmpdir, 'file.log')
appender = Logging.appenders.file(NAME, :filename => log)
assert_equal 'logfile', appender.name
assert_equal ::File.expand_path(log), appender.filename
begin
pwd = Dir.pwd
Dir.chdir @tmpdir
assert_nothing_raised { appender.reopen }
ensure
Dir.chdir pwd
end
end
def test_encoding
log = File.join(@tmpdir, 'file-encoding.log')
appender = Logging.appenders.file(NAME, :filename => log, :encoding => 'ASCII')
appender << "A normal line of text\n"
appender << "ümlaut\n"
appender.close
lines = File.readlines(log, :encoding => 'UTF-8')
assert_equal "A normal line of text\n", lines[0]
assert_equal "ümlaut\n", lines[1]
cleanup
end
def test_reopening_should_not_truncate_the_file
log = File.join(@tmpdir, 'truncate.log')
appender = Logging.appenders.file(NAME, filename: log, truncate: true)
appender << "This will be the first line\n"
appender << "This will be the second line\n"
appender << "This will be the third line\n"
appender.reopen
File.open(log, 'r') do |file|
assert_equal "This will be the first line\n", file.readline
assert_equal "This will be the second line\n", file.readline
assert_equal "This will be the third line\n", file.readline
assert_raise(EOFError) {file.readline}
end
cleanup
end
private
def cleanup
unless Logging.appenders[NAME].nil?
Logging.appenders[NAME].close false
Logging.appenders[NAME] = nil
end
end
end # TestFile
end # TestAppenders
end # TestLogging
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