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""" provide version info, conftest/environment config names.
"""
import py
import inspect, sys
def pytest_addoption(parser):
group = parser.getgroup('debugconfig')
group.addoption('--version', action="store_true",
help="display py lib version and import information.")
group._addoption('-p', action="append", dest="plugins", default = [],
metavar="name",
help="early-load given plugin (multi-allowed).")
group.addoption('--traceconfig',
action="store_true", dest="traceconfig", default=False,
help="trace considerations of conftest.py files."),
group._addoption('--nomagic',
action="store_true", dest="nomagic", default=False,
help="don't reinterpret asserts, no traceback cutting. ")
group.addoption('--debug',
action="store_true", dest="debug", default=False,
help="generate and show internal debugging information.")
group.addoption("--help-config", action="store_true", dest="helpconfig",
help="show available conftest.py and ENV-variable names.")
def pytest_configure(__multicall__, config):
if config.option.version:
p = py.path.local(py.__file__).dirpath()
sys.stderr.write("This is py.test version %s, imported from %s\n" %
(py.__version__, p))
sys.exit(0)
if not config.option.helpconfig:
return
__multicall__.execute()
options = []
for group in config._parser._groups:
options.extend(group.options)
widths = [0] * 10
tw = py.io.TerminalWriter()
tw.sep("-")
tw.line("%-13s | %-18s | %-25s | %s" %(
"cmdline name", "conftest.py name", "ENV-variable name", "help"))
tw.sep("-")
options = [opt for opt in options if opt._long_opts]
options.sort(key=lambda x: x._long_opts)
for opt in options:
if not opt._long_opts or not opt.dest:
continue
optstrings = list(opt._long_opts) # + list(opt._short_opts)
optstrings = filter(None, optstrings)
optstring = "|".join(optstrings)
line = "%-13s | %-18s | %-25s | %s" %(
optstring,
"option_%s" % opt.dest,
"PYTEST_OPTION_%s" % opt.dest.upper(),
opt.help and opt.help or "",
)
tw.line(line[:tw.fullwidth])
for name, help in conftest_options:
line = "%-13s | %-18s | %-25s | %s" %(
"",
name,
"",
help,
)
tw.line(line[:tw.fullwidth])
tw.sep("-")
sys.exit(0)
conftest_options = (
('pytest_plugins', 'list of plugin names to load'),
('collect_ignore', '(relative) paths ignored during collection'),
('rsyncdirs', 'to-be-rsynced directories for dist-testing'),
)
def pytest_report_header(config):
lines = []
if config.option.debug or config.option.traceconfig:
lines.append("using py lib: %s" % (py.path.local(py.__file__).dirpath()))
if config.option.traceconfig:
lines.append("active plugins:")
plugins = []
items = config.pluginmanager._name2plugin.items()
for name, plugin in items:
lines.append(" %-20s: %s" %(name, repr(plugin)))
return lines
# =====================================================
# validate plugin syntax and hooks
# =====================================================
def pytest_plugin_registered(manager, plugin):
methods = collectattr(plugin)
hooks = {}
for hookspec in manager.hook._hookspecs:
hooks.update(collectattr(hookspec))
stringio = py.io.TextIO()
def Print(*args):
if args:
stringio.write(" ".join(map(str, args)))
stringio.write("\n")
fail = False
while methods:
name, method = methods.popitem()
#print "checking", name
if isgenerichook(name):
continue
if name not in hooks:
if not getattr(method, 'optionalhook', False):
Print("found unknown hook:", name)
fail = True
else:
#print "checking", method
method_args = getargs(method)
#print "method_args", method_args
if '__multicall__' in method_args:
method_args.remove('__multicall__')
hook = hooks[name]
hookargs = getargs(hook)
for arg in method_args:
if arg not in hookargs:
Print("argument %r not available" %(arg, ))
Print("actual definition: %s" %(formatdef(method)))
Print("available hook arguments: %s" %
", ".join(hookargs))
fail = True
break
#if not fail:
# print "matching hook:", formatdef(method)
if fail:
name = getattr(plugin, '__name__', plugin)
raise PluginValidationError("%s:\n%s" %(name, stringio.getvalue()))
class PluginValidationError(Exception):
""" plugin failed validation. """
def isgenerichook(name):
return name == "pytest_plugins" or \
name.startswith("pytest_funcarg__")
def getargs(func):
args = inspect.getargs(py.code.getrawcode(func))[0]
startindex = inspect.ismethod(func) and 1 or 0
return args[startindex:]
def collectattr(obj, prefixes=("pytest_",)):
methods = {}
for apiname in dir(obj):
for prefix in prefixes:
if apiname.startswith(prefix):
methods[apiname] = getattr(obj, apiname)
return methods
def formatdef(func):
return "%s%s" %(
func.__name__,
inspect.formatargspec(*inspect.getargspec(func))
)
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