test_ok2/py/plugin/pytest_hooklog.py

34 lines
1.0 KiB
Python

""" log invocations of extension hooks to a file. """
import py
def pytest_addoption(parser):
parser.addoption("--hooklog", dest="hooklog", default=None,
help="write hook calls to the given file.")
def pytest_configure(config):
hooklog = config.getvalue("hooklog")
if hooklog:
config._hooklogfile = open(hooklog, 'w')
config._hooklog_oldperformcall = config.hook._performcall
config.hook._performcall = (lambda name, multicall:
logged_call(name=name, multicall=multicall, config=config))
def logged_call(name, multicall, config):
f = config._hooklogfile
f.write("%s(**%s)\n" % (name, multicall.kwargs))
try:
res = config._hooklog_oldperformcall(name=name, multicall=multicall)
except:
f.write("-> exception")
raise
f.write("-> %r" % (res,))
return res
def pytest_unconfigure(config):
try:
del config.hook.__dict__['_performcall']
except KeyError:
pass
else:
config._hooklogfile.close()