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# encoding: UTF-8
require File.expand_path('../setup', File.dirname(__FILE__))
module TestLogging
module TestAppenders
class TestBufferedIO < Test::Unit::TestCase
include LoggingTestCase
def setup
super
@appender = Logging.appenders.string_io \
'test_appender',
:auto_flushing => 3,
:immediate_at => :error,
:encoding => 'UTF-8'
@appender.clear
@sio = @appender.sio
@levels = Logging::LEVELS
begin readline rescue EOFError end
end
def test_append
event = Logging::LogEvent.new('TestLogger', @levels['warn'],
[1, 2, 3, 4], false)
@appender.append event
assert_nil(readline)
@appender.append event
assert_nil(readline)
event.level = @levels['debug']
event.data = 'the big log message'
@appender.append event
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal "DEBUG TestLogger : the big log message\n", readline
assert_nil(readline)
@appender.close
assert_raise(RuntimeError) {@appender.append event}
end
def test_append_with_write_size
event = Logging::LogEvent.new('TestLogger', @levels['warn'], %w[a b c d], false)
@appender.write_size = 2
@appender.append event
assert_nil(readline)
@appender.append event
assert_nil(readline)
event.level = @levels['debug']
event.data = 'the big log message'
@appender.append event
assert_equal " WARN TestLogger : <Array> #{%w[a b c d]}\n", readline
assert_equal " WARN TestLogger : <Array> #{%w[a b c d]}\n", readline
assert_equal "DEBUG TestLogger : the big log message\n", readline
assert_nil(readline)
end
def test_append_error
# setup an internal logger to capture error messages from the IO
# appender
log = Logging.appenders.string_io('__internal_io')
Logging.logger[Logging].add_appenders(log)
Logging.logger[Logging].level = 'all'
# close the string IO object so we get an error
@sio.close
event = Logging::LogEvent.new('TestLogger', @levels['warn'],
[1, 2, 3, 4], false)
@appender.append event
assert_nil(log.readline)
@appender.append event
assert_nil(log.readline)
@appender.append event
assert_equal "INFO Logging : appender \"test_appender\" has been disabled", log.readline.strip
assert_equal "ERROR Logging : <IOError> not opened for writing", log.readline.strip
assert_equal false, @appender.closed?
assert_equal 5, @appender.level
end
def test_auto_flushing
assert_raise(ArgumentError) {
@appender.auto_flushing = Object.new
}
assert_raise(ArgumentError) {
@appender.auto_flushing = -1
}
@appender.auto_flushing = 0
assert_equal Logging::Appenders::Buffering::DEFAULT_BUFFER_SIZE, @appender.auto_flushing
end
def test_close
assert_equal false, @sio.closed?
assert_equal false, @appender.closed?
@appender.close
assert_equal true, @sio.closed?
assert_equal true, @appender.closed?
[STDIN, STDERR, STDOUT].each do |io|
@appender = Logging.appenders.io('test', io)
@appender.close
assert_equal false, io.closed?
assert_equal true, @appender.closed?
end
end
def test_concat
@appender << "this is a test message\n"
assert_nil(readline)
@appender << "this is another message\n"
assert_nil(readline)
@appender << "some other line\n"
assert_equal "this is a test message\n", readline
assert_equal "this is another message\n", readline
assert_equal "some other line\n", readline
assert_nil(readline)
@appender.close
assert_raise(RuntimeError) {@appender << 'message'}
end
def test_concat_error
# setup an internal logger to capture error messages from the IO
# appender
log = Logging.appenders.string_io('__internal_io')
Logging.logger[Logging].add_appenders(log)
Logging.logger[Logging].level = 'all'
# close the string IO object so we get an error
@sio.close
@appender << 'oopsy'
assert_nil(log.readline)
@appender << 'whoopsy'
assert_nil(log.readline)
@appender << 'pooh'
assert_equal "INFO Logging : appender \"test_appender\" has been disabled", log.readline.strip
assert_equal "ERROR Logging : <IOError> not opened for writing", log.readline.strip
# and the appender does not close itself
assert_equal false, @appender.closed?
assert_equal 5, @appender.level
end
def test_flush
@appender << "this is a test message\n"
assert_nil(readline)
@appender.flush
assert_equal "this is a test message\n", readline
assert_nil(readline)
end
def test_clear
@appender << "this is a test message\n"
@appender << "this is another test message\n"
@appender.clear!
@appender.flush
assert_nil(readline)
end
def test_immediate_at
event = Logging::LogEvent.new('TestLogger', @levels['warn'],
[1, 2, 3, 4], false)
@appender.append event
assert_nil(readline)
event.level = @levels['error']
event.data = 'an error message'
@appender.append event
assert_equal " WARN TestLogger : <Array> #{[1, 2, 3, 4]}\n", readline
assert_equal "ERROR TestLogger : an error message\n", readline
assert_nil(readline)
end
if Object.const_defined?(:Encoding)
def test_force_encoding
a = 'ümlaut'
b = 'hello ümlaut'.force_encoding('BINARY')
event_a = Logging::LogEvent.new('TestLogger', @levels['info'], a, false)
event_b = Logging::LogEvent.new('TestLogger', @levels['info'], b, false)
@appender.append event_a
@appender.append event_b
assert_nil(readline)
@appender.append event_a
assert_equal " INFO TestLogger : #{a}\n", readline
assert_equal " INFO TestLogger : #{b.force_encoding('UTF-8')}\n", readline
assert_equal " INFO TestLogger : #{a}\n", readline
assert_nil(readline)
end
end
private
def readline
@appender.readline
end
end # class TestBufferedIO
end # module TestAppenders
end # module TestLogging
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