/usr/lib/python2.6/site-packages/nose/plugins
Edit: /usr/lib/python2.6/site-packages/nose/plugins/capture.py (2780B)
"""
This plugin captures stdout during test execution, appending any
output captured to the error or failure output, should the test fail
or raise an error. It is enabled by default but may be disable with
the options -s or --nocapture.
"""
import logging
import os
import sys
from nose.plugins.base import Plugin
from nose.util import ln
try:
from cStringIO import StringIO
except ImportError:
from StringIO import StringIO
log = logging.getLogger(__name__)
class Capture(Plugin):
"""
Output capture plugin. Enabled by default. Disable with -s or
--nocapture. This plugin captures stdout during test execution,
appending any output captured to the error or failure output,
should the test fail or raise an error.
"""
enabled = True
env_opt = 'NOSE_NOCAPTURE'
name = 'capture'
score = 500
def __init__(self):
self.stdout = []
self._buf = None
def options(self, parser, env=os.environ):
parser.add_option(
"-s", "--nocapture", action="store_false",
default=not env.get(self.env_opt), dest="capture",
help="Don't capture stdout (any stdout output "
"will be printed immediately) [NOSE_NOCAPTURE]")
def configure(self, options, conf):
self.conf = conf
if not options.capture:
self.enabled = False
def afterTest(self, test):
self.end()
self._buf = None
def begin(self):
self.start() # get an early handle on sys.stdout
def beforeTest(self, test):
self.start()
def formatError(self, test, err):
test.capturedOutput = output = self.buffer
self._buf = None
if not output:
# Don't return None as that will prevent other
# formatters from formatting and remove earlier formatters
# formats, instead return the err we got
return err
ec, ev, tb = err
return (ec, self.addCaptureToErr(ev, output), tb)
def formatFailure(self, test, err):
return self.formatError(test, err)
def addCaptureToErr(self, ev, output):
return '\n'.join([str(ev) , ln('>> begin captured stdout <<'),
output, ln('>> end captured stdout <<')])
def start(self):
self.stdout.append(sys.stdout)
self._buf = StringIO()
sys.stdout = self._buf
def end(self):
if self.stdout:
sys.stdout = self.stdout.pop()
def finalize(self, result):
while self.stdout:
self.end()
def _get_buffer(self):
if self._buf is not None:
return self._buf.getvalue()
buffer = property(_get_buffer, None, None,
"""Captured stdout output.""")