270 lines
6.2 KiB
Python
270 lines
6.2 KiB
Python
""" Swift tests """
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import sys
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import os
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import copy
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import logging
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from sys import exc_info
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from contextlib import contextmanager
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from collections import defaultdict
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from tempfile import NamedTemporaryFile
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from eventlet.green import socket
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from tempfile import mkdtemp
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from shutil import rmtree
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from test import get_config
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from ConfigParser import MissingSectionHeaderError
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from StringIO import StringIO
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from swift.common.utils import readconf, config_true_value
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from logging import Handler
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import logging.handlers
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def readuntil2crlfs(fd):
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rv = ''
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lc = ''
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crlfs = 0
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while crlfs < 2:
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c = fd.read(1)
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rv = rv + c
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if c == '\r' and lc != '\n':
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crlfs = 0
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if lc == '\r' and c == '\n':
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crlfs += 1
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lc = c
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return rv
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def connect_tcp(hostport):
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rv = socket.socket()
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rv.connect(hostport)
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return rv
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@contextmanager
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def tmpfile(content):
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with NamedTemporaryFile('w', delete=False) as f:
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file_name = f.name
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f.write(str(content))
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try:
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yield file_name
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finally:
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os.unlink(file_name)
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xattr_data = {}
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def _get_inode(fd):
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if not isinstance(fd, int):
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try:
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fd = fd.fileno()
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except AttributeError:
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return os.stat(fd).st_ino
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return os.fstat(fd).st_ino
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def _setxattr(fd, k, v):
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inode = _get_inode(fd)
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data = xattr_data.get(inode, {})
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data[k] = v
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xattr_data[inode] = data
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def _getxattr(fd, k):
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inode = _get_inode(fd)
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data = xattr_data.get(inode, {}).get(k)
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if not data:
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raise IOError
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return data
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import xattr
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xattr.setxattr = _setxattr
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xattr.getxattr = _getxattr
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@contextmanager
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def temptree(files, contents=''):
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# generate enough contents to fill the files
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c = len(files)
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contents = (list(contents) + [''] * c)[:c]
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tempdir = mkdtemp()
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for path, content in zip(files, contents):
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if os.path.isabs(path):
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path = '.' + path
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new_path = os.path.join(tempdir, path)
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subdir = os.path.dirname(new_path)
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if not os.path.exists(subdir):
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os.makedirs(subdir)
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with open(new_path, 'w') as f:
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f.write(str(content))
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try:
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yield tempdir
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finally:
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rmtree(tempdir)
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class NullLoggingHandler(logging.Handler):
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def emit(self, record):
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pass
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class FakeLogger(object):
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# a thread safe logger
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def __init__(self, *args, **kwargs):
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self._clear()
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self.level = logging.NOTSET
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if 'facility' in kwargs:
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self.facility = kwargs['facility']
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def _clear(self):
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self.log_dict = defaultdict(list)
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def _store_in(store_name):
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def stub_fn(self, *args, **kwargs):
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self.log_dict[store_name].append((args, kwargs))
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return stub_fn
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error = _store_in('error')
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info = _store_in('info')
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warning = _store_in('warning')
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debug = _store_in('debug')
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def exception(self, *args, **kwargs):
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self.log_dict['exception'].append((args, kwargs, str(exc_info()[1])))
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# mock out the StatsD logging methods:
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increment = _store_in('increment')
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decrement = _store_in('decrement')
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timing = _store_in('timing')
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timing_since = _store_in('timing_since')
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update_stats = _store_in('update_stats')
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set_statsd_prefix = _store_in('set_statsd_prefix')
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def get_increments(self):
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return [call[0][0] for call in self.log_dict['increment']]
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def get_increment_counts(self):
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counts = {}
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for metric in self.get_increments():
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if metric not in counts:
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counts[metric] = 0
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counts[metric] += 1
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return counts
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def setFormatter(self, obj):
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self.formatter = obj
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def close(self):
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self._clear()
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def set_name(self, name):
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# don't touch _handlers
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self._name = name
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def acquire(self):
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pass
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def release(self):
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pass
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def createLock(self):
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pass
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def emit(self, record):
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pass
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def handle(self, record):
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pass
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def flush(self):
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pass
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def handleError(self, record):
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pass
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original_syslog_handler = logging.handlers.SysLogHandler
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def fake_syslog_handler():
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for attr in dir(original_syslog_handler):
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if attr.startswith('LOG'):
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setattr(FakeLogger, attr,
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copy.copy(getattr(logging.handlers.SysLogHandler, attr)))
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FakeLogger.priority_map = \
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copy.deepcopy(logging.handlers.SysLogHandler.priority_map)
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logging.handlers.SysLogHandler = FakeLogger
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if config_true_value(get_config('unit_test').get('fake_syslog', 'False')):
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fake_syslog_handler()
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class MockTrue(object):
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"""
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Instances of MockTrue evaluate like True
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Any attr accessed on an instance of MockTrue will return a MockTrue
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instance. Any method called on an instance of MockTrue will return
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a MockTrue instance.
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>>> thing = MockTrue()
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>>> thing
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True
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>>> thing == True # True == True
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True
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>>> thing == False # True == False
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False
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>>> thing != True # True != True
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False
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>>> thing != False # True != False
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True
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>>> thing.attribute
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True
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>>> thing.method()
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True
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>>> thing.attribute.method()
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True
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>>> thing.method().attribute
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True
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"""
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def __getattribute__(self, *args, **kwargs):
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return self
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def __call__(self, *args, **kwargs):
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return self
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def __repr__(*args, **kwargs):
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return repr(True)
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def __eq__(self, other):
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return other is True
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def __ne__(self, other):
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return other is not True
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@contextmanager
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def mock(update):
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returns = []
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deletes = []
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for key, value in update.items():
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imports = key.split('.')
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attr = imports.pop(-1)
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module = __import__(imports[0], fromlist=imports[1:])
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for modname in imports[1:]:
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module = getattr(module, modname)
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if hasattr(module, attr):
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returns.append((module, attr, getattr(module, attr)))
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else:
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deletes.append((module, attr))
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setattr(module, attr, value)
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yield True
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for module, attr, value in returns:
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setattr(module, attr, value)
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for module, attr in deletes:
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delattr(module, attr)
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