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-*- coding: utf-8 -*- import errno import sys import unittest import tempfile import shutil import os import syslog from supervisor.compat import PY2 from supervisor.compat import as_string from supervisor.compat import StringIO from supervisor.compat import unicode from supervisor.tests.base import mock from supervisor.tests.base import DummyStream class LevelTests(unittest.TestCase): def test_LOG_LEVELS_BY_NUM_doesnt_include_builtins(self): from supervisor import loggers for level_name in loggers.LOG_LEVELS_BY_NUM.values(): self.assertFalse(level_name.startswith('_')) class HandlerTests: def setUp(self): self.basedir = tempfile.mkdtemp() self.filename = os.path.join(self.basedir, 'thelog') def tearDown(self): try: shutil.rmtree(self.basedir) except OSError: pass def _makeOne(self, *arg, **kw): klass = self._getTargetClass() return klass(*arg, **kw) def _makeLogRecord(self, msg): from supervisor import loggers record = loggers.LogRecord( level=loggers.LevelsByName.INFO, msg=msg, exc_info=None ) return record class BareHandlerTests(HandlerTests, unittest.TestCase): def _getTargetClass(self): from supervisor.loggers import Handler return Handler def test_flush_stream_flush_raises_IOError_EPIPE(self): stream = DummyStream(error=IOError(errno.EPIPE)) inst = self._makeOne(stream=stream) self.assertEqual(inst.flush(), None) # does not raise def test_flush_stream_flush_raises_IOError_not_EPIPE(self): stream = DummyStream(error=IOError(errno.EALREADY)) inst = self._makeOne(stream=stream) self.assertRaises(IOError, inst.flush) # non-EPIPE IOError raises def test_close_already_closed(self): stream = DummyStream() inst = self._makeOne(stream=stream) inst.closed = True self.assertEqual(inst.close(), None) def test_close_stream_fileno_above_3(self): stream = DummyStream(fileno=50) inst = self._makeOne(stream=stream) self.assertEqual(inst.close(), None) self.assertTrue(inst.closed) self.assertTrue(inst.stream.closed) def test_close_stream_fileno_below_3(self): stream = DummyStream(fileno=0) inst = self._makeOne(stream=stream) self.assertEqual(inst.close(), None) self.assertFalse(inst.closed) self.assertFalse(inst.stream.closed) def test_close_stream_handles_fileno_unsupported_operation(self): # on python 2, StringIO does not have fileno() # on python 3, StringIO has fileno() but calling it raises stream = StringIO() inst = self._makeOne(stream=stream) inst.close() # shouldn't raise self.assertTrue(inst.closed) def test_close_stream_handles_fileno_ioerror(self): stream = DummyStream() def raise_ioerror(): raise IOError() stream.fileno = raise_ioerror inst = self._makeOne(stream=stream) inst.close() # shouldn't raise self.assertTrue(inst.closed) def test_emit_gardenpath(self): stream = DummyStream() inst = self._makeOne(stream=stream) record = self._makeLogRecord(b'foo') inst.emit(record) self.assertEqual(stream.flushed, True) self.assertEqual(stream.written, b'foo') def test_emit_unicode_error(self): stream = DummyStream(error=UnicodeError) inst = self._makeOne(stream=stream) record = self._makeLogRecord(b'foo') inst.emit(record) self.assertEqual(stream.flushed, True) self.assertEqual(stream.written, b'foo') def test_emit_other_error(self): stream = DummyStream(error=ValueError) inst = self._makeOne(stream=stream) handled = [] inst.handleError = lambda: handled.append(True) record = self._makeLogRecord(b'foo') inst.emit(record) self.assertEqual(stream.flushed, False) self.assertEqual(stream.written, b'') class FileHandlerTests(HandlerTests, unittest.TestCase): def _getTargetClass(self): from supervisor.loggers import FileHandler return FileHandler def test_ctor(self): handler = self._makeOne(self.filename) self.assertTrue(os.path.exists(self.filename), self.filename) self.assertEqual(handler.mode, 'ab') self.assertEqual(handler.baseFilename, self.filename) self.assertEqual(handler.stream.name, self.filename) handler.close() def test_close(self): handler = self._makeOne(self.filename) handler.stream.close() handler.stream = DummyStream() handler.close() self.assertEqual(handler.stream.closed, True) def test_close_raises(self): handler = self._makeOne(self.filename) handler.stream.close() handler.stream = DummyStream(OSError) self.assertRaises(OSError, handler.close) self.assertEqual(handler.stream.closed, False) def test_reopen(self): handler = self._makeOne(self.filename) handler.stream.close() stream = DummyStream() handler.stream = stream handler.reopen() self.assertEqual(stream.closed, True) self.assertEqual(handler.stream.name, self.filename) handler.close() def test_reopen_raises(self): handler = self._makeOne(self.filename) handler.stream.close() stream = DummyStream() handler.stream = stream handler.baseFilename = os.path.join(self.basedir, 'notthere', 'a.log') self.assertRaises(IOError, handler.reopen) self.assertEqual(stream.closed, True) def test_remove_exists(self): handler = self._makeOne(self.filename) self.assertTrue(os.path.exists(self.filename), self.filename) handler.remove() self.assertFalse(os.path.exists(self.filename), self.filename) def test_remove_doesntexist(self): handler = self._makeOne(self.filename) os.remove(self.filename) self.assertFalse(os.path.exists(self.filename), self.filename) handler.remove() # should not raise self.assertFalse(os.path.exists(self.filename), self.filename) def test_remove_raises(self): handler = self._makeOne(self.filename) os.remove(self.filename) os.mkdir(self.filename) self.assertTrue(os.path.exists(self.filename), self.filename) self.assertRaises(OSError, handler.remove) def test_emit_ascii_noerror(self): handler = self._makeOne(self.filename) record = self._makeLogRecord(b'hello!') handler.emit(record) handler.close() with open(self.filename, 'rb') as f: self.assertEqual(f.read(), b'hello!') def test_emit_unicode_noerror(self): handler = self._makeOne(self.filename) record = self._makeLogRecord(b'fi\xc3\xad') handler.emit(record) handler.close() with open(self.filename, 'rb') as f: self.assertEqual(f.read(), b'fi\xc3\xad') def test_emit_error(self): handler = self._makeOne(self.filename) handler.stream.close() handler.stream = DummyStream(error=OSError) record = self._makeLogRecord(b'hello!') try: old_stderr = sys.stderr dummy_stderr = DummyStream() sys.stderr = dummy_stderr handler.emit(record) finally: sys.stderr = old_stderr self.assertTrue(dummy_stderr.written.endswith(b'OSError\n'), dummy_stderr.written) if os.path.exists('/dev/stdout'): StdoutTestsBase = FileHandlerTests else: # Skip the stdout tests on platforms that don't have /dev/stdout. StdoutTestsBase = object class StdoutTests(StdoutTestsBase): def test_ctor_with_dev_stdout(self): handler = self._makeOne('/dev/stdout') # Modes 'w' and 'a' have the same semantics when applied to # character device files and fifos. self.assertTrue(handler.mode in ['wb', 'ab'], handler.mode) self.assertEqual(handler.baseFilename, '/dev/stdout') self.assertEqual(handler.stream.name, '/dev/stdout') handler.close() class RotatingFileHandlerTests(FileHandlerTests): def _getTargetClass(self): from supervisor.loggers import RotatingFileHandler return RotatingFileHandler def test_ctor(self): handler = self._makeOne(self.filename) self.assertEqual(handler.mode, 'ab') self.assertEqual(handler.maxBytes, 512*1024*1024) self.assertEqual(handler.backupCount, 10) handler.close() def test_emit_does_rollover(self): handler = self._makeOne(self.filename, maxBytes=10, backupCount=2) record = self._makeLogRecord(b'a' * 4) handler.emit(record) # 4 bytes self.assertFalse(os.path.exists(self.filename + '.1')) self.assertFalse(os.path.exists(self.filename + '.2')) handler.emit(record) # 8 bytes self.assertFalse(os.path.exists(self.filename + '.1')) self.assertFalse(os.path.exists(self.filename + '.2')) handler.emit(record) # 12 bytes, do rollover self.assertTrue(os.path.exists(self.filename + '.1')) self.assertFalse(os.path.exists(self.filename + '.2')) handler.emit(record) # 16 bytes self.assertTrue(os.path.exists(self.filename + '.1')) self.assertFalse(os.path.exists(self.filename + '.2')) handler.emit(record) # 20 bytes self.assertTrue(os.path.exists(self.filename + '.1')) self.assertFalse(os.path.exists(self.filename + '.2')) handler.emit(record) # 24 bytes, do rollover self.assertTrue(os.path.exists(self.filename + '.1')) self.assertTrue(os.path.exists(self.filename + '.2')) handler.emit(record) # 28 bytes handler.close() self.assertTrue(os.path.exists(self.filename + '.1')) self.assertTrue(os.path.exists(self.filename + '.2')) with open(self.filename, 'rb') as f: self.assertEqual(f.read(), b'a' * 4) with open(self.filename+'.1', 'rb') as f: self.assertEqual(f.read(), b'a' * 12) with open(self.filename+'.2', 'rb') as f: self.assertEqual(f.read(), b'a' * 12) def test_current_logfile_removed(self): handler = self._makeOne(self.filename, maxBytes=6, backupCount=1) record = self._makeLogRecord(b'a' * 4) handler.emit(record) # 4 bytes self.assertTrue(os.path.exists(self.filename)) self.assertFalse(os.path.exists(self.filename + '.1')) # Someone removes the active log file! :-( os.unlink(self.filename) self.assertFalse(os.path.exists(self.filename)) handler.emit(record) # 8 bytes, do rollover handler.close() self.assertTrue(os.path.exists(self.filename)) self.assertFalse(os.path.exists(self.filename + '.1')) def test_removeAndRename_destination_does_not_exist(self): inst = self._makeOne(self.filename) renames = [] removes = [] inst._remove = lambda v: removes.append(v) inst._exists = lambda v: False inst._rename = lambda s, t: renames.append((s, t)) inst.removeAndRename('foo', 'bar') self.assertEqual(renames, [('foo', 'bar')]) self.assertEqual(removes, []) inst.close() def test_removeAndRename_destination_exists(self): inst = self._makeOne(self.filename) renames = [] removes = [] inst._remove = lambda v: removes.append(v) inst._exists = lambda v: True inst._rename = lambda s, t: renames.append((s, t)) inst.removeAndRename('foo', 'bar') self.assertEqual(renames, [('foo', 'bar')]) self.assertEqual(removes, ['bar']) inst.close() def test_removeAndRename_remove_raises_ENOENT(self): def remove(fn): raise OSError(errno.ENOENT) inst = self._makeOne(self.filename) renames = [] inst._remove = remove inst._exists = lambda v: True inst._rename = lambda s, t: renames.append((s, t)) inst.removeAndRename('foo', 'bar') self.assertEqual(renames, [('foo', 'bar')]) inst.close() def test_removeAndRename_remove_raises_other_than_ENOENT(self): def remove(fn): raise OSError(errno.EAGAIN) inst = self._makeOne(self.filename) inst._remove = remove inst._exists = lambda v: True self.assertRaises(OSError, inst.removeAndRename, 'foo', 'bar') inst.close() def test_removeAndRename_rename_raises_ENOENT(self): def rename(s, d): raise OSError(errno.ENOENT) inst = self._makeOne(self.filename) inst._rename = rename inst._exists = lambda v: False self.assertEqual(inst.removeAndRename('foo', 'bar'), None) inst.close() def test_removeAndRename_rename_raises_other_than_ENOENT(self): def rename(s, d): raise OSError(errno.EAGAIN) inst = self._makeOne(self.filename) inst._rename = rename inst._exists = lambda v: False self.assertRaises(OSError, inst.removeAndRename, 'foo', 'bar') inst.close() def test_doRollover_maxbytes_lte_zero(self): inst = self._makeOne(self.filename) inst.maxBytes = 0 self.assertEqual(inst.doRollover(), None) inst.close() class BoundIOTests(unittest.TestCase): def _getTargetClass(self): from supervisor.loggers import BoundIO return BoundIO def _makeOne(self, maxbytes, buf=''): klass = self._getTargetClass() return klass(maxbytes, buf) def test_write_overflow(self): io = self._makeOne(1, b'a') io.write(b'b') self.assertEqual(io.buf, b'b') def test_getvalue(self): io = self._makeOne(1, b'a') self.assertEqual(io.getvalue(), b'a') def test_clear(self): io = self._makeOne(1, b'a') io.clear() self.assertEqual(io.buf, b'') def test_close(self): io = self._makeOne(1, b'a') io.close() self.assertEqual(io.buf, b'') class LoggerTests(unittest.TestCase): def _getTargetClass(self): from supervisor.loggers import Logger return Logger def _makeOne(self, level=None, handlers=None): klass = self._getTargetClass() return klass(level, handlers) def test_blather(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.BLAT) logger = self._makeOne(LevelsByName.BLAT, (handler,)) logger.blather('hello') self.assertEqual(len(handler.records), 1) logger.level = LevelsByName.TRAC logger.blather('hello') self.assertEqual(len(handler.records), 1) def test_trace(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.TRAC) logger = self._makeOne(LevelsByName.TRAC, (handler,)) logger.trace('hello') self.assertEqual(len(handler.records), 1) logger.level = LevelsByName.DEBG logger.trace('hello') self.assertEqual(len(handler.records), 1) def test_debug(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.DEBG) logger = self._makeOne(LevelsByName.DEBG, (handler,)) logger.debug('hello') self.assertEqual(len(handler.records), 1) logger.level = LevelsByName.INFO logger.debug('hello') self.assertEqual(len(handler.records), 1) def test_info(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.INFO) logger = self._makeOne(LevelsByName.INFO, (handler,)) logger.info('hello') self.assertEqual(len(handler.records), 1) logger.level = LevelsByName.WARN logger.info('hello') self.assertEqual(len(handler.records), 1) def test_warn(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.WARN) logger = self._makeOne(LevelsByName.WARN, (handler,)) logger.warn('hello') self.assertEqual(len(handler.records), 1) logger.level = LevelsByName.ERRO logger.warn('hello') self.assertEqual(len(handler.records), 1) def test_error(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.ERRO) logger = self._makeOne(LevelsByName.ERRO, (handler,)) logger.error('hello') self.assertEqual(len(handler.records), 1) logger.level = LevelsByName.CRIT logger.error('hello') self.assertEqual(len(handler.records), 1) def test_critical(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.CRIT) logger = self._makeOne(LevelsByName.CRIT, (handler,)) logger.critical('hello') self.assertEqual(len(handler.records), 1) def test_close(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.CRIT) logger = self._makeOne(LevelsByName.CRIT, (handler,)) logger.close() self.assertEqual(handler.closed, True) def test_getvalue(self): from supervisor.loggers import LevelsByName handler = DummyHandler(LevelsByName.CRIT) logger = self._makeOne(LevelsByName.CRIT, (handler,)) self.assertRaises(NotImplementedError, logger.getvalue) class MockSysLog(mock.Mock): def __call__(self, *args, **kwargs): message = args[-1] if sys.version_info < (3, 0) and isinstance(message, unicode): # Python 2.x raises a UnicodeEncodeError when attempting to # transmit unicode characters that don't encode in the # default encoding. message.encode() super(MockSysLog, self).__call__(*args, **kwargs) class SyslogHandlerTests(HandlerTests, unittest.TestCase): def setUp(self): pass def tearDown(self): pass def _getTargetClass(self): return __import__('supervisor.loggers').loggers.SyslogHandler def _makeOne(self): return self._getTargetClass()() def test_emit_record_asdict_raises(self): class Record(object): def asdict(self): raise TypeError record = Record() handler = self._makeOne() handled = [] handler.handleError = lambda: handled.append(True) handler.emit(record) self.assertEqual(handled, [True]) @mock.patch('syslog.syslog', MockSysLog()) def test_emit_ascii_noerror(self): handler = self._makeOne() record = self._makeLogRecord(b'hello!') handler.emit(record) syslog.syslog.assert_called_with('hello!') record = self._makeLogRecord('hi!') handler.emit(record) syslog.syslog.assert_called_with('hi!') @mock.patch('syslog.syslog', MockSysLog()) def test_close(self): handler = self._makeOne() handler.close() # no-op for syslog @mock.patch('syslog.syslog', MockSysLog()) def test_reopen(self): handler = self._makeOne() handler.reopen() # no-op for syslog if PY2: @mock.patch('syslog.syslog', MockSysLog()) def test_emit_unicode_noerror(self): handler = self._makeOne() inp = as_string('fií') record = self._makeLogRecord(inp) handler.emit(record) syslog.syslog.assert_called_with('fi\xc3\xad') def test_emit_unicode_witherror(self): handler = self._makeOne() called = [] def fake_syslog(msg): if not called: called.append(msg) raise UnicodeError handler._syslog = fake_syslog record = self._makeLogRecord(as_string('fií')) handler.emit(record) self.assertEqual(called, [as_string('fi\xc3\xad')]) else: @mock.patch('syslog.syslog', MockSysLog()) def test_emit_unicode_noerror(self): handler = self._makeOne() record = self._makeLogRecord('fií') handler.emit(record) syslog.syslog.assert_called_with('fií') def test_emit_unicode_witherror(self): handler = self._makeOne() called = [] def fake_syslog(msg): if not called: called.append(msg) raise UnicodeError handler._syslog = fake_syslog record = self._makeLogRecord('fií') handler.emit(record) self.assertEqual(called, ['fií']) class DummyHandler: close = False def __init__(self, level): self.level = level self.records = [] def emit(self, record): self.records.append(record) def close(self): self.closed = True def test_suite(): return unittest.findTestCases(sys.modules[__name__]) if __name__ == '__main__': unittest.main(defaultTest='test_suite')