627e068516
are not called twice. Also fix ordering to that broader scoped setup functions are executed first.
1608 lines
57 KiB
Python
1608 lines
57 KiB
Python
""" Python test discovery, setup and run of test functions. """
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import py
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import inspect
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import sys
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import pytest
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from _pytest.main import getfslineno
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from _pytest.monkeypatch import monkeypatch
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from py._code.code import TerminalRepr
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import _pytest
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cutdir = py.path.local(_pytest.__file__).dirpath()
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class FactoryMarker:
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def __init__(self, scope, params):
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self.scope = scope
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self.params = params
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def __call__(self, function):
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function._pytestfactory = self
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return function
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class SetupMarker:
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def __init__(self, scope):
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self.scope = scope
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def __call__(self, function):
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function._pytestsetup = self
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return function
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# XXX a test fails when scope="function" how it should be, investigate
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def factory(scope=None, params=None):
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""" return a decorator to mark functions as resource factories.
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:arg scope: the scope for which this resource is shared, one of
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"function", "class", "module", "session". Defaults to "function".
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:arg params: an optional list of parameters which will cause multiple
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invocations of tests depending on the resource.
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"""
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return FactoryMarker(scope, params)
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def setup(scope="function"):
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""" return a decorator to mark functions as setup functions.
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:arg scope: the scope for which the setup function will be active, one
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of "function", "class", "module", "session".
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Defaults to "function".
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"""
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return SetupMarker(scope)
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def cached_property(f):
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"""returns a cached property that is calculated by function f.
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taken from http://code.activestate.com/recipes/576563-cached-property/"""
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def get(self):
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try:
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return self._property_cache[f]
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except AttributeError:
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self._property_cache = {}
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x = self._property_cache[f] = f(self)
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return x
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except KeyError:
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x = self._property_cache[f] = f(self)
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return x
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return property(get)
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def pyobj_property(name):
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def get(self):
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node = self.getparent(getattr(pytest, name))
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if node is not None:
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return node.obj
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doc = "python %s object this node was collected from (can be None)." % (
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name.lower(),)
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return property(get, None, None, doc)
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def pytest_addoption(parser):
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group = parser.getgroup("general")
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group.addoption('--funcargs',
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action="store_true", dest="showfuncargs", default=False,
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help="show available function arguments, sorted by plugin")
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parser.addini("python_files", type="args",
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default=('test_*.py', '*_test.py'),
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help="glob-style file patterns for Python test module discovery")
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parser.addini("python_classes", type="args", default=("Test",),
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help="prefixes for Python test class discovery")
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parser.addini("python_functions", type="args", default=("test",),
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help="prefixes for Python test function and method discovery")
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def pytest_cmdline_main(config):
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if config.option.showfuncargs:
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showfuncargs(config)
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return 0
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|
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def pytest_generate_tests(metafunc):
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try:
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param = metafunc.function.parametrize
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except AttributeError:
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return
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for p in param:
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metafunc.parametrize(*p.args, **p.kwargs)
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def pytest_configure(config):
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config.addinivalue_line("markers",
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"parametrize(argnames, argvalues): call a test function multiple "
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"times passing in multiple different argument value sets. Example: "
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"@parametrize('arg1', [1,2]) would lead to two calls of the decorated "
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"test function, one with arg1=1 and another with arg1=2."
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)
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def pytest_sessionstart(session):
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session.funcargmanager = FuncargManager(session)
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@pytest.mark.trylast
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def pytest_namespace():
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raises.Exception = pytest.fail.Exception
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return {
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'factory': factory,
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'setup': setup,
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'raises' : raises,
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'collect': {
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'Module': Module, 'Class': Class, 'Instance': Instance,
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'Function': Function, 'Generator': Generator,
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'_fillfuncargs': fillfuncargs}
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}
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def pytest_funcarg__pytestconfig(request):
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""" the pytest config object with access to command line opts."""
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return request.config
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|
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def pytest_pyfunc_call(__multicall__, pyfuncitem):
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if not __multicall__.execute():
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testfunction = pyfuncitem.obj
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if pyfuncitem._isyieldedfunction():
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testfunction(*pyfuncitem._args)
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else:
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try:
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funcargnames = pyfuncitem.funcargnames
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except AttributeError:
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funcargs = pyfuncitem.funcargs
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else:
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funcargs = {}
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for name in funcargnames:
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funcargs[name] = pyfuncitem.funcargs[name]
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testfunction(**funcargs)
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def pytest_pyfunc_call(__multicall__, pyfuncitem):
|
|
if not __multicall__.execute():
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testfunction = pyfuncitem.obj
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if pyfuncitem._isyieldedfunction():
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testfunction(*pyfuncitem._args)
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else:
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funcargs = pyfuncitem.funcargs
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testfunction(**funcargs)
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def pytest_collect_file(path, parent):
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ext = path.ext
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pb = path.purebasename
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if ext == ".py":
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if not parent.session.isinitpath(path):
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for pat in parent.config.getini('python_files'):
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if path.fnmatch(pat):
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break
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else:
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return
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return parent.ihook.pytest_pycollect_makemodule(
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path=path, parent=parent)
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def pytest_pycollect_makemodule(path, parent):
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return Module(path, parent)
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def pytest_pycollect_makeitem(__multicall__, collector, name, obj):
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res = __multicall__.execute()
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if res is not None:
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return res
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if inspect.isclass(obj):
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#if hasattr(collector.obj, 'unittest'):
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# return # we assume it's a mixin class for a TestCase derived one
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if collector.classnamefilter(name):
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if not hasinit(obj):
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Class = collector._getcustomclass("Class")
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return Class(name, parent=collector)
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elif collector.funcnamefilter(name) and hasattr(obj, '__call__'):
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if is_generator(obj):
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return Generator(name, parent=collector)
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else:
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return collector._genfunctions(name, obj)
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def is_generator(func):
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try:
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return py.code.getrawcode(func).co_flags & 32 # generator function
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except AttributeError: # builtin functions have no bytecode
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# assume them to not be generators
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return False
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class PyobjContext(object):
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module = pyobj_property("Module")
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cls = pyobj_property("Class")
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instance = pyobj_property("Instance")
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class PyobjMixin(PyobjContext):
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def obj():
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def fget(self):
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try:
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return self._obj
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except AttributeError:
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self._obj = obj = self._getobj()
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return obj
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def fset(self, value):
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self._obj = value
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return property(fget, fset, None, "underlying python object")
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obj = obj()
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def _getobj(self):
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return getattr(self.parent.obj, self.name)
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def getmodpath(self, stopatmodule=True, includemodule=False):
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""" return python path relative to the containing module. """
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chain = self.listchain()
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chain.reverse()
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parts = []
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for node in chain:
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if isinstance(node, Instance):
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continue
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name = node.name
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if isinstance(node, Module):
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assert name.endswith(".py")
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name = name[:-3]
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if stopatmodule:
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if includemodule:
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parts.append(name)
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break
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parts.append(name)
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parts.reverse()
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s = ".".join(parts)
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return s.replace(".[", "[")
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def _getfslineno(self):
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return getfslineno(self.obj)
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def reportinfo(self):
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# XXX caching?
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obj = self.obj
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if hasattr(obj, 'compat_co_firstlineno'):
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# nose compatibility
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fspath = sys.modules[obj.__module__].__file__
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if fspath.endswith(".pyc"):
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fspath = fspath[:-1]
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lineno = obj.compat_co_firstlineno
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modpath = obj.__module__
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else:
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fspath, lineno = getfslineno(obj)
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modpath = self.getmodpath()
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assert isinstance(lineno, int)
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return fspath, lineno, modpath
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class PyCollector(PyobjMixin, pytest.Collector):
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|
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def funcnamefilter(self, name):
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|
for prefix in self.config.getini("python_functions"):
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|
if name.startswith(prefix):
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return True
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|
|
def classnamefilter(self, name):
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|
for prefix in self.config.getini("python_classes"):
|
|
if name.startswith(prefix):
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return True
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def collect(self):
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# NB. we avoid random getattrs and peek in the __dict__ instead
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# (XXX originally introduced from a PyPy need, still true?)
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dicts = [getattr(self.obj, '__dict__', {})]
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for basecls in inspect.getmro(self.obj.__class__):
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dicts.append(basecls.__dict__)
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seen = {}
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l = []
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for dic in dicts:
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for name, obj in dic.items():
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if name in seen:
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continue
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seen[name] = True
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if name[0] != "_":
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res = self.makeitem(name, obj)
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if res is None:
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continue
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if not isinstance(res, list):
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res = [res]
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l.extend(res)
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l.sort(key=lambda item: item.reportinfo()[:2])
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return l
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|
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def makeitem(self, name, obj):
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return self.ihook.pytest_pycollect_makeitem(
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collector=self, name=name, obj=obj)
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def _genfunctions(self, name, funcobj):
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module = self.getparent(Module).obj
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clscol = self.getparent(Class)
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cls = clscol and clscol.obj or None
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transfer_markers(funcobj, cls, module)
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metafunc = Metafunc(funcobj, parentid=self.nodeid, config=self.config,
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cls=cls, module=module)
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gentesthook = self.config.hook.pytest_generate_tests
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extra = [module]
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if cls is not None:
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extra.append(cls())
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plugins = self.getplugins() + extra
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gentesthook.pcall(plugins, metafunc=metafunc)
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Function = self._getcustomclass("Function")
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l = []
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if not metafunc._calls:
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l.append(Function(name, parent=self))
|
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for callspec in metafunc._calls:
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subname = "%s[%s]" %(name, callspec.id)
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function = Function(name=subname, parent=self,
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callspec=callspec, callobj=funcobj,
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keywords={callspec.id:True})
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l.append(function)
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return l
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|
|
def transfer_markers(funcobj, cls, mod):
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# XXX this should rather be code in the mark plugin or the mark
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# plugin should merge with the python plugin.
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|
for holder in (cls, mod):
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try:
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|
pytestmark = holder.pytestmark
|
|
except AttributeError:
|
|
continue
|
|
if isinstance(pytestmark, list):
|
|
for mark in pytestmark:
|
|
mark(funcobj)
|
|
else:
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|
pytestmark(funcobj)
|
|
|
|
class Module(pytest.File, PyCollector):
|
|
""" Collector for test classes and functions. """
|
|
def _getobj(self):
|
|
return self._memoizedcall('_obj', self._importtestmodule)
|
|
|
|
def collect(self):
|
|
self.session.funcargmanager._parsefactories(self.obj, self.nodeid)
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return super(Module, self).collect()
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|
|
|
def _importtestmodule(self):
|
|
# we assume we are only called once per module
|
|
try:
|
|
mod = self.fspath.pyimport(ensuresyspath=True)
|
|
except SyntaxError:
|
|
excinfo = py.code.ExceptionInfo()
|
|
raise self.CollectError(excinfo.getrepr(style="short"))
|
|
except self.fspath.ImportMismatchError:
|
|
e = sys.exc_info()[1]
|
|
raise self.CollectError(
|
|
"import file mismatch:\n"
|
|
"imported module %r has this __file__ attribute:\n"
|
|
" %s\n"
|
|
"which is not the same as the test file we want to collect:\n"
|
|
" %s\n"
|
|
"HINT: remove __pycache__ / .pyc files and/or use a "
|
|
"unique basename for your test file modules"
|
|
% e.args
|
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)
|
|
#print "imported test module", mod
|
|
self.config.pluginmanager.consider_module(mod)
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|
return mod
|
|
|
|
def setup(self):
|
|
setup_module = xunitsetup(self.obj, "setup_module")
|
|
if setup_module is not None:
|
|
#XXX: nose compat hack, move to nose plugin
|
|
# if it takes a positional arg, its probably a pytest style one
|
|
# so we pass the current module object
|
|
if inspect.getargspec(setup_module)[0]:
|
|
setup_module(self.obj)
|
|
else:
|
|
setup_module()
|
|
|
|
def teardown(self):
|
|
teardown_module = xunitsetup(self.obj, 'teardown_module')
|
|
if teardown_module is not None:
|
|
#XXX: nose compat hack, move to nose plugin
|
|
# if it takes a positional arg, its probably a py.test style one
|
|
# so we pass the current module object
|
|
if inspect.getargspec(teardown_module)[0]:
|
|
teardown_module(self.obj)
|
|
else:
|
|
teardown_module()
|
|
|
|
class Class(PyCollector):
|
|
""" Collector for test methods. """
|
|
def collect(self):
|
|
return [self._getcustomclass("Instance")(name="()", parent=self)]
|
|
|
|
def setup(self):
|
|
setup_class = xunitsetup(self.obj, 'setup_class')
|
|
if setup_class is not None:
|
|
setup_class = getattr(setup_class, 'im_func', setup_class)
|
|
setup_class = getattr(setup_class, '__func__', setup_class)
|
|
setup_class(self.obj)
|
|
|
|
def teardown(self):
|
|
teardown_class = xunitsetup(self.obj, 'teardown_class')
|
|
if teardown_class is not None:
|
|
teardown_class = getattr(teardown_class, 'im_func', teardown_class)
|
|
teardown_class = getattr(teardown_class, '__func__', teardown_class)
|
|
teardown_class(self.obj)
|
|
|
|
class Instance(PyCollector):
|
|
def _getobj(self):
|
|
obj = self.parent.obj()
|
|
return obj
|
|
|
|
def collect(self):
|
|
self.session.funcargmanager._parsefactories(self.obj, self.nodeid)
|
|
return super(Instance, self).collect()
|
|
|
|
def newinstance(self):
|
|
self.obj = self._getobj()
|
|
return self.obj
|
|
|
|
class FunctionMixin(PyobjMixin):
|
|
""" mixin for the code common to Function and Generator.
|
|
"""
|
|
|
|
def setup(self):
|
|
""" perform setup for this test function. """
|
|
if hasattr(self, '_preservedparent'):
|
|
obj = self._preservedparent
|
|
elif isinstance(self.parent, Instance):
|
|
obj = self.parent.newinstance()
|
|
self.obj = self._getobj()
|
|
else:
|
|
obj = self.parent.obj
|
|
if inspect.ismethod(self.obj):
|
|
name = 'setup_method'
|
|
else:
|
|
name = 'setup_function'
|
|
setup_func_or_method = xunitsetup(obj, name)
|
|
if setup_func_or_method is not None:
|
|
setup_func_or_method(self.obj)
|
|
|
|
def teardown(self):
|
|
""" perform teardown for this test function. """
|
|
if inspect.ismethod(self.obj):
|
|
name = 'teardown_method'
|
|
else:
|
|
name = 'teardown_function'
|
|
obj = self.parent.obj
|
|
teardown_func_or_meth = xunitsetup(obj, name)
|
|
if teardown_func_or_meth is not None:
|
|
teardown_func_or_meth(self.obj)
|
|
|
|
def _prunetraceback(self, excinfo):
|
|
if hasattr(self, '_obj') and not self.config.option.fulltrace:
|
|
code = py.code.Code(self.obj)
|
|
path, firstlineno = code.path, code.firstlineno
|
|
traceback = excinfo.traceback
|
|
ntraceback = traceback.cut(path=path, firstlineno=firstlineno)
|
|
if ntraceback == traceback:
|
|
ntraceback = ntraceback.cut(path=path)
|
|
if ntraceback == traceback:
|
|
ntraceback = ntraceback.cut(excludepath=cutdir)
|
|
excinfo.traceback = ntraceback.filter()
|
|
|
|
def _repr_failure_py(self, excinfo, style="long"):
|
|
if excinfo.errisinstance(pytest.fail.Exception):
|
|
if not excinfo.value.pytrace:
|
|
return str(excinfo.value)
|
|
return super(FunctionMixin, self)._repr_failure_py(excinfo,
|
|
style=style)
|
|
|
|
def repr_failure(self, excinfo, outerr=None):
|
|
assert outerr is None, "XXX outerr usage is deprecated"
|
|
return self._repr_failure_py(excinfo,
|
|
style=self.config.option.tbstyle)
|
|
|
|
|
|
class Generator(FunctionMixin, PyCollector):
|
|
def collect(self):
|
|
# test generators are seen as collectors but they also
|
|
# invoke setup/teardown on popular request
|
|
# (induced by the common "test_*" naming shared with normal tests)
|
|
self.session._setupstate.prepare(self)
|
|
# see FunctionMixin.setup and test_setupstate_is_preserved_134
|
|
self._preservedparent = self.parent.obj
|
|
l = []
|
|
seen = {}
|
|
for i, x in enumerate(self.obj()):
|
|
name, call, args = self.getcallargs(x)
|
|
if not py.builtin.callable(call):
|
|
raise TypeError("%r yielded non callable test %r" %(self.obj, call,))
|
|
if name is None:
|
|
name = "[%d]" % i
|
|
else:
|
|
name = "['%s']" % name
|
|
if name in seen:
|
|
raise ValueError("%r generated tests with non-unique name %r" %(self, name))
|
|
seen[name] = True
|
|
l.append(self.Function(name, self, args=args, callobj=call))
|
|
return l
|
|
|
|
def getcallargs(self, obj):
|
|
if not isinstance(obj, (tuple, list)):
|
|
obj = (obj,)
|
|
# explict naming
|
|
if isinstance(obj[0], py.builtin._basestring):
|
|
name = obj[0]
|
|
obj = obj[1:]
|
|
else:
|
|
name = None
|
|
call, args = obj[0], obj[1:]
|
|
return name, call, args
|
|
|
|
|
|
def hasinit(obj):
|
|
init = getattr(obj, '__init__', None)
|
|
if init:
|
|
if init != object.__init__:
|
|
return True
|
|
|
|
|
|
|
|
def fillfuncargs(function):
|
|
""" fill missing funcargs. """
|
|
#if not getattr(function, "_args", None) is not None:
|
|
# request = FuncargRequest(pyfuncitem=function)
|
|
# request._fillfuncargs()
|
|
if getattr(function, "_args", None) is None:
|
|
try:
|
|
request = function._request
|
|
except AttributeError:
|
|
request = function._request = FuncargRequest(function)
|
|
request._fillfuncargs()
|
|
|
|
_notexists = object()
|
|
|
|
class CallSpec2(object):
|
|
def __init__(self, metafunc):
|
|
self.metafunc = metafunc
|
|
self.funcargs = {}
|
|
self._idlist = []
|
|
self.params = {}
|
|
self._globalid = _notexists
|
|
self._globalid_args = set()
|
|
self._globalparam = _notexists
|
|
self._arg2scopenum = {} # used for sorting parametrized resources
|
|
|
|
def copy(self, metafunc):
|
|
cs = CallSpec2(self.metafunc)
|
|
cs.funcargs.update(self.funcargs)
|
|
cs.params.update(self.params)
|
|
cs._arg2scopenum.update(self._arg2scopenum)
|
|
cs._idlist = list(self._idlist)
|
|
cs._globalid = self._globalid
|
|
cs._globalid_args = self._globalid_args
|
|
cs._globalparam = self._globalparam
|
|
return cs
|
|
|
|
def _checkargnotcontained(self, arg):
|
|
if arg in self.params or arg in self.funcargs:
|
|
raise ValueError("duplicate %r" %(arg,))
|
|
|
|
def getparam(self, name):
|
|
try:
|
|
return self.params[name]
|
|
except KeyError:
|
|
if self._globalparam is _notexists:
|
|
raise ValueError(name)
|
|
return self._globalparam
|
|
|
|
@property
|
|
def id(self):
|
|
return "-".join(map(str, filter(None, self._idlist)))
|
|
|
|
def setmulti(self, valtype, argnames, valset, id, scopenum=0):
|
|
for arg,val in zip(argnames, valset):
|
|
self._checkargnotcontained(arg)
|
|
getattr(self, valtype)[arg] = val
|
|
self._arg2scopenum[arg] = scopenum
|
|
self._idlist.append(id)
|
|
|
|
def setall(self, funcargs, id, param):
|
|
for x in funcargs:
|
|
self._checkargnotcontained(x)
|
|
self.funcargs.update(funcargs)
|
|
if id is not _notexists:
|
|
self._idlist.append(id)
|
|
if param is not _notexists:
|
|
assert self._globalparam is _notexists
|
|
self._globalparam = param
|
|
|
|
|
|
class Metafunc:
|
|
def __init__(self, function, config=None, cls=None, module=None,
|
|
parentid=""):
|
|
self.config = config
|
|
self.module = module
|
|
self.function = function
|
|
self.parentid = parentid
|
|
self.funcargnames = getfuncargnames(function,
|
|
startindex=int(cls is not None))
|
|
self.cls = cls
|
|
self.module = module
|
|
self._calls = []
|
|
self._ids = py.builtin.set()
|
|
self._arg2scopenum = {}
|
|
|
|
def parametrize(self, argnames, argvalues, indirect=False, ids=None,
|
|
scope="function"):
|
|
""" Add new invocations to the underlying test function using the list
|
|
of argvalues for the given argnames. Parametrization is performed
|
|
during the collection phase. If you need to setup expensive resources
|
|
you may pass indirect=True and implement a funcarg factory which can
|
|
perform the expensive setup just before a test is actually run.
|
|
|
|
:arg argnames: an argument name or a list of argument names
|
|
|
|
:arg argvalues: a list of values for the argname or a list of tuples of
|
|
values for the list of argument names.
|
|
|
|
:arg indirect: if True each argvalue corresponding to an argument will
|
|
be passed as request.param to its respective funcarg factory so
|
|
that it can perform more expensive setups during the setup phase of
|
|
a test rather than at collection time.
|
|
|
|
:arg ids: list of string ids each corresponding to the argvalues so
|
|
that they are part of the test id. If no ids are provided they will
|
|
be generated automatically from the argvalues.
|
|
"""
|
|
if not isinstance(argnames, (tuple, list)):
|
|
argnames = (argnames,)
|
|
argvalues = [(val,) for val in argvalues]
|
|
if scope is None:
|
|
scope = "function"
|
|
scopenum = scopes.index(scope)
|
|
if not indirect:
|
|
#XXX should we also check for the opposite case?
|
|
for arg in argnames:
|
|
if arg not in self.funcargnames:
|
|
raise ValueError("%r has no argument %r" %(self.function, arg))
|
|
valtype = indirect and "params" or "funcargs"
|
|
if not ids:
|
|
idmaker = IDMaker()
|
|
ids = list(map(idmaker, argvalues))
|
|
newcalls = []
|
|
for callspec in self._calls or [CallSpec2(self)]:
|
|
for i, valset in enumerate(argvalues):
|
|
assert len(valset) == len(argnames)
|
|
newcallspec = callspec.copy(self)
|
|
newcallspec.setmulti(valtype, argnames, valset, ids[i],
|
|
scopenum)
|
|
newcalls.append(newcallspec)
|
|
self._calls = newcalls
|
|
|
|
def addcall(self, funcargs=None, id=_notexists, param=_notexists):
|
|
""" (deprecated, use parametrize) Add a new call to the underlying
|
|
test function during the collection phase of a test run. Note that
|
|
request.addcall() is called during the test collection phase prior and
|
|
independently to actual test execution. You should only use addcall()
|
|
if you need to specify multiple arguments of a test function.
|
|
|
|
:arg funcargs: argument keyword dictionary used when invoking
|
|
the test function.
|
|
|
|
:arg id: used for reporting and identification purposes. If you
|
|
don't supply an `id` an automatic unique id will be generated.
|
|
|
|
:arg param: a parameter which will be exposed to a later funcarg factory
|
|
invocation through the ``request.param`` attribute.
|
|
"""
|
|
assert funcargs is None or isinstance(funcargs, dict)
|
|
if funcargs is not None:
|
|
for name in funcargs:
|
|
if name not in self.funcargnames:
|
|
pytest.fail("funcarg %r not used in this function." % name)
|
|
else:
|
|
funcargs = {}
|
|
if id is None:
|
|
raise ValueError("id=None not allowed")
|
|
if id is _notexists:
|
|
id = len(self._calls)
|
|
id = str(id)
|
|
if id in self._ids:
|
|
raise ValueError("duplicate id %r" % id)
|
|
self._ids.add(id)
|
|
|
|
cs = CallSpec2(self)
|
|
cs.setall(funcargs, id, param)
|
|
self._calls.append(cs)
|
|
|
|
class IDMaker:
|
|
def __init__(self):
|
|
self.counter = 0
|
|
def __call__(self, valset):
|
|
l = []
|
|
for val in valset:
|
|
if not isinstance(val, (int, str)):
|
|
val = "."+str(self.counter)
|
|
self.counter += 1
|
|
l.append(str(val))
|
|
return "-".join(l)
|
|
|
|
|
|
def showfuncargs(config):
|
|
from _pytest.main import wrap_session
|
|
return wrap_session(config, _showfuncargs_main)
|
|
|
|
def _showfuncargs_main(config, session):
|
|
session.perform_collect()
|
|
if session.items:
|
|
plugins = session.items[0].getplugins()
|
|
else:
|
|
plugins = session.getplugins()
|
|
curdir = py.path.local()
|
|
tw = py.io.TerminalWriter()
|
|
verbose = config.getvalue("verbose")
|
|
argprefix = session.funcargmanager._argprefix
|
|
for plugin in plugins:
|
|
available = []
|
|
for name, factory in vars(plugin).items():
|
|
if name.startswith(argprefix):
|
|
name = name[len(argprefix):]
|
|
if name not in available:
|
|
available.append([name, factory])
|
|
if available:
|
|
pluginname = plugin.__name__
|
|
for name, factory in available:
|
|
loc = getlocation(factory, curdir)
|
|
if verbose:
|
|
funcargspec = "%s -- %s" %(name, loc,)
|
|
else:
|
|
funcargspec = name
|
|
tw.line(funcargspec, green=True)
|
|
doc = factory.__doc__ or ""
|
|
if doc:
|
|
for line in doc.split("\n"):
|
|
tw.line(" " + line.strip())
|
|
else:
|
|
tw.line(" %s: no docstring available" %(loc,),
|
|
red=True)
|
|
|
|
def getlocation(function, curdir):
|
|
import inspect
|
|
fn = py.path.local(inspect.getfile(function))
|
|
lineno = py.builtin._getcode(function).co_firstlineno
|
|
if fn.relto(curdir):
|
|
fn = fn.relto(curdir)
|
|
return "%s:%d" %(fn, lineno+1)
|
|
|
|
# builtin pytest.raises helper
|
|
|
|
def raises(ExpectedException, *args, **kwargs):
|
|
""" assert that a code block/function call raises @ExpectedException
|
|
and raise a failure exception otherwise.
|
|
|
|
If using Python 2.5 or above, you may use this function as a
|
|
context manager::
|
|
|
|
>>> with raises(ZeroDivisionError):
|
|
... 1/0
|
|
|
|
Or you can specify a callable by passing a to-be-called lambda::
|
|
|
|
>>> raises(ZeroDivisionError, lambda: 1/0)
|
|
<ExceptionInfo ...>
|
|
|
|
or you can specify an arbitrary callable with arguments::
|
|
|
|
>>> def f(x): return 1/x
|
|
...
|
|
>>> raises(ZeroDivisionError, f, 0)
|
|
<ExceptionInfo ...>
|
|
>>> raises(ZeroDivisionError, f, x=0)
|
|
<ExceptionInfo ...>
|
|
|
|
A third possibility is to use a string to be executed::
|
|
|
|
>>> raises(ZeroDivisionError, "f(0)")
|
|
<ExceptionInfo ...>
|
|
"""
|
|
__tracebackhide__ = True
|
|
|
|
if not args:
|
|
return RaisesContext(ExpectedException)
|
|
elif isinstance(args[0], str):
|
|
code, = args
|
|
assert isinstance(code, str)
|
|
frame = sys._getframe(1)
|
|
loc = frame.f_locals.copy()
|
|
loc.update(kwargs)
|
|
#print "raises frame scope: %r" % frame.f_locals
|
|
try:
|
|
code = py.code.Source(code).compile()
|
|
py.builtin.exec_(code, frame.f_globals, loc)
|
|
# XXX didn'T mean f_globals == f_locals something special?
|
|
# this is destroyed here ...
|
|
except ExpectedException:
|
|
return py.code.ExceptionInfo()
|
|
else:
|
|
func = args[0]
|
|
try:
|
|
func(*args[1:], **kwargs)
|
|
except ExpectedException:
|
|
return py.code.ExceptionInfo()
|
|
k = ", ".join(["%s=%r" % x for x in kwargs.items()])
|
|
if k:
|
|
k = ', ' + k
|
|
expr = '%s(%r%s)' %(getattr(func, '__name__', func), args, k)
|
|
pytest.fail("DID NOT RAISE")
|
|
|
|
class RaisesContext(object):
|
|
def __init__(self, ExpectedException):
|
|
self.ExpectedException = ExpectedException
|
|
self.excinfo = None
|
|
|
|
def __enter__(self):
|
|
self.excinfo = object.__new__(py.code.ExceptionInfo)
|
|
return self.excinfo
|
|
|
|
def __exit__(self, *tp):
|
|
__tracebackhide__ = True
|
|
if tp[0] is None:
|
|
pytest.fail("DID NOT RAISE")
|
|
self.excinfo.__init__(tp)
|
|
return issubclass(self.excinfo.type, self.ExpectedException)
|
|
|
|
#
|
|
# the basic py.test Function item
|
|
#
|
|
_dummy = object()
|
|
class Function(FunctionMixin, pytest.Item):
|
|
""" a Function Item is responsible for setting up and executing a
|
|
Python test function.
|
|
"""
|
|
_genid = None
|
|
def __init__(self, name, parent=None, args=None, config=None,
|
|
callspec=None, callobj=_dummy, keywords=None, session=None):
|
|
super(Function, self).__init__(name, parent, config=config,
|
|
session=session)
|
|
self._args = args
|
|
if self._isyieldedfunction():
|
|
assert not callspec, (
|
|
"yielded functions (deprecated) cannot have funcargs")
|
|
else:
|
|
if callspec is not None:
|
|
self.callspec = callspec
|
|
self.funcargs = callspec.funcargs or {}
|
|
self._genid = callspec.id
|
|
if hasattr(callspec, "param"):
|
|
self.param = callspec.param
|
|
else:
|
|
self.funcargs = {}
|
|
self._request = req = FuncargRequest(self)
|
|
#req._discoverfactories()
|
|
if callobj is not _dummy:
|
|
self.obj = callobj
|
|
startindex = int(self.cls is not None)
|
|
self.funcargnames = getfuncargnames(self.obj, startindex=startindex)
|
|
self.keywords.update(py.builtin._getfuncdict(self.obj) or {})
|
|
if keywords:
|
|
self.keywords.update(keywords)
|
|
|
|
@property
|
|
def function(self):
|
|
"underlying python 'function' object"
|
|
return getattr(self.obj, 'im_func', self.obj)
|
|
|
|
def _getobj(self):
|
|
name = self.name
|
|
i = name.find("[") # parametrization
|
|
if i != -1:
|
|
name = name[:i]
|
|
return getattr(self.parent.obj, name)
|
|
|
|
@property
|
|
def _pyfuncitem(self):
|
|
"(compatonly) for code expecting pytest-2.2 style request objects"
|
|
return self
|
|
|
|
def _isyieldedfunction(self):
|
|
return getattr(self, "_args", None) is not None
|
|
|
|
def runtest(self):
|
|
""" execute the underlying test function. """
|
|
self.ihook.pytest_pyfunc_call(pyfuncitem=self)
|
|
|
|
def setup(self):
|
|
super(Function, self).setup()
|
|
fillfuncargs(self)
|
|
if hasattr(self, "_request"):
|
|
self._request._callsetup()
|
|
|
|
def __eq__(self, other):
|
|
try:
|
|
return (self.name == other.name and
|
|
self._args == other._args and
|
|
self.parent == other.parent and
|
|
self.obj == other.obj and
|
|
getattr(self, '_genid', None) ==
|
|
getattr(other, '_genid', None)
|
|
)
|
|
except AttributeError:
|
|
pass
|
|
return False
|
|
|
|
def __ne__(self, other):
|
|
return not self == other
|
|
|
|
def __hash__(self):
|
|
return hash((self.parent, self.name))
|
|
|
|
|
|
class FuncargRequest:
|
|
""" (old-style) A request for function arguments from a test function.
|
|
|
|
Note that there is an optional ``param`` attribute in case
|
|
there was an invocation to metafunc.addcall(param=...).
|
|
If no such call was done in a ``pytest_generate_tests``
|
|
hook, the attribute will not be present. Note that
|
|
as of pytest-2.3 you probably rather want to use the
|
|
testcontext object and mark your factory with a ``@pytest.factory``
|
|
marker.
|
|
"""
|
|
|
|
def __init__(self, pyfuncitem):
|
|
self._pyfuncitem = pyfuncitem
|
|
if hasattr(pyfuncitem, '_requestparam'):
|
|
self.param = pyfuncitem._requestparam
|
|
self.getparent = pyfuncitem.getparent
|
|
self._funcargs = self._pyfuncitem.funcargs.copy()
|
|
self._name2factory = {}
|
|
self.funcargmanager = pyfuncitem.session.funcargmanager
|
|
self._currentarg = None
|
|
self.funcargnames = getfuncargnames(self.function)
|
|
self.parentid = pyfuncitem.parent.nodeid
|
|
self.scope = "function"
|
|
self._factorystack = []
|
|
|
|
def _getfaclist(self, argname):
|
|
facdeflist = self._name2factory.get(argname, None)
|
|
if facdeflist is None:
|
|
if self._factorystack:
|
|
function = self._factorystack[-1].func
|
|
getfactb = lambda: self._factorystack[:-1]
|
|
else:
|
|
function = self.function
|
|
getfactb = None
|
|
facdeflist = self.funcargmanager.getfactorylist(
|
|
argname, self.parentid, function, getfactb)
|
|
self._name2factory[argname] = facdeflist
|
|
elif not facdeflist:
|
|
self.funcargmanager._raiselookupfailed(argname, self.function,
|
|
self.parentid)
|
|
return facdeflist
|
|
|
|
def raiseerror(self, msg):
|
|
""" raise a FuncargLookupError with the given message. """
|
|
raise self.funcargmanager.FuncargLookupError(self.function, msg)
|
|
|
|
@property
|
|
def function(self):
|
|
""" function object of the test invocation. """
|
|
return self._pyfuncitem.obj
|
|
|
|
@property
|
|
def keywords(self):
|
|
""" keywords of the test function item.
|
|
|
|
.. versionadded:: 2.0
|
|
"""
|
|
return self._pyfuncitem.keywords
|
|
|
|
@property
|
|
def session(self):
|
|
""" pytest session object. """
|
|
return self._pyfuncitem.session
|
|
|
|
@property
|
|
def module(self):
|
|
""" module where the test function was collected. """
|
|
return self._pyfuncitem.getparent(pytest.Module).obj
|
|
|
|
@property
|
|
def cls(self):
|
|
""" class (can be None) where the test function was collected. """
|
|
clscol = self._pyfuncitem.getparent(pytest.Class)
|
|
if clscol:
|
|
return clscol.obj
|
|
@property
|
|
def instance(self):
|
|
""" instance (can be None) on which test function was collected. """
|
|
return py.builtin._getimself(self.function)
|
|
|
|
@property
|
|
def config(self):
|
|
""" the pytest config object associated with this request. """
|
|
return self._pyfuncitem.config
|
|
|
|
@property
|
|
def fspath(self):
|
|
""" the file system path of the test module which collected this test. """
|
|
return self._pyfuncitem.fspath
|
|
|
|
def _fillfuncargs(self):
|
|
if self.funcargnames:
|
|
assert not getattr(self._pyfuncitem, '_args', None), (
|
|
"yielded functions cannot have funcargs")
|
|
while self.funcargnames:
|
|
argname = self.funcargnames.pop(0)
|
|
if argname not in self._pyfuncitem.funcargs:
|
|
self._pyfuncitem.funcargs[argname] = \
|
|
self.getfuncargvalue(argname)
|
|
|
|
def applymarker(self, marker):
|
|
""" Apply a marker to a single test function invocation.
|
|
This method is useful if you don't want to have a keyword/marker
|
|
on all function invocations.
|
|
|
|
:arg marker: a :py:class:`_pytest.mark.MarkDecorator` object
|
|
created by a call to ``py.test.mark.NAME(...)``.
|
|
"""
|
|
if not isinstance(marker, py.test.mark.XYZ.__class__):
|
|
raise ValueError("%r is not a py.test.mark.* object")
|
|
self._pyfuncitem.keywords[marker.markname] = marker
|
|
|
|
def cached_setup(self, setup, teardown=None, scope="module", extrakey=None):
|
|
""" Return a testing resource managed by ``setup`` &
|
|
``teardown`` calls. ``scope`` and ``extrakey`` determine when the
|
|
``teardown`` function will be called so that subsequent calls to
|
|
``setup`` would recreate the resource.
|
|
|
|
:arg teardown: function receiving a previously setup resource.
|
|
:arg setup: a no-argument function creating a resource.
|
|
:arg scope: a string value out of ``function``, ``class``, ``module``
|
|
or ``session`` indicating the caching lifecycle of the resource.
|
|
:arg extrakey: added to internal caching key of (funcargname, scope).
|
|
"""
|
|
if not hasattr(self.config, '_setupcache'):
|
|
self.config._setupcache = {} # XXX weakref?
|
|
cachekey = (self._currentarg, self._getscopeitem(scope), extrakey)
|
|
cache = self.config._setupcache
|
|
try:
|
|
val = cache[cachekey]
|
|
except KeyError:
|
|
__tracebackhide__ = True
|
|
if scopemismatch(self.scope, scope):
|
|
raise ScopeMismatchError("You tried to access a %r scoped "
|
|
"resource with a %r scoped request object" %(
|
|
(scope, self.scope)))
|
|
__tracebackhide__ = False
|
|
val = setup()
|
|
cache[cachekey] = val
|
|
if teardown is not None:
|
|
def finalizer():
|
|
del cache[cachekey]
|
|
teardown(val)
|
|
self._addfinalizer(finalizer, scope=scope)
|
|
return val
|
|
|
|
|
|
def _callsetup(self):
|
|
self.funcargmanager.ensure_setupcalls(self)
|
|
|
|
def getfuncargvalue(self, argname):
|
|
""" Retrieve a function argument by name for this test
|
|
function invocation. This allows one function argument factory
|
|
to call another function argument factory. If there are two
|
|
funcarg factories for the same test function argument the first
|
|
factory may use ``getfuncargvalue`` to call the second one and
|
|
do something additional with the resource.
|
|
"""
|
|
try:
|
|
return self._funcargs[argname]
|
|
except KeyError:
|
|
pass
|
|
factorydeflist = self._getfaclist(argname)
|
|
factorydef = factorydeflist.pop()
|
|
self._factorystack.append(factorydef)
|
|
try:
|
|
return self._getfuncargvalue(factorydef)
|
|
finally:
|
|
self._factorystack.pop()
|
|
|
|
def _getfuncargvalue(self, factorydef):
|
|
# collect funcargs from the factory
|
|
newnames = factorydef.funcargnames
|
|
argname = factorydef.argname
|
|
factory_kwargs = {}
|
|
def fillfactoryargs():
|
|
for newname in newnames:
|
|
if newname == "testcontext":
|
|
val = TestContextResource(self)
|
|
elif newname == "request" and not factorydef.new:
|
|
val = self
|
|
else:
|
|
val = self.getfuncargvalue(newname)
|
|
factory_kwargs[newname] = val
|
|
|
|
node = self._pyfuncitem
|
|
mp = monkeypatch()
|
|
mp.setattr(self, '_currentarg', argname)
|
|
try:
|
|
param = node.callspec.getparam(argname)
|
|
except (AttributeError, ValueError):
|
|
pass
|
|
else:
|
|
mp.setattr(self, 'param', param, raising=False)
|
|
|
|
scope = factorydef.scope
|
|
funcargfactory = factorydef.func
|
|
if scope is not None:
|
|
__tracebackhide__ = True
|
|
if scopemismatch(self.scope, scope):
|
|
# try to report something helpful
|
|
lines = self._factorytraceback()
|
|
raise ScopeMismatchError("You tried to access the %r scoped "
|
|
"funcarg %r with a %r scoped request object, "
|
|
"involved factories\n%s" %(
|
|
(scope, argname, self.scope, "\n".join(lines))))
|
|
__tracebackhide__ = False
|
|
mp.setattr(self, "scope", scope)
|
|
kwargs = {}
|
|
if hasattr(self, "param"):
|
|
kwargs["extrakey"] = param
|
|
fillfactoryargs()
|
|
val = self.cached_setup(lambda: funcargfactory(**factory_kwargs),
|
|
scope=scope, **kwargs)
|
|
else:
|
|
fillfactoryargs()
|
|
val = funcargfactory(**factory_kwargs)
|
|
mp.undo()
|
|
self._funcargs[argname] = val
|
|
return val
|
|
|
|
def _factorytraceback(self):
|
|
lines = []
|
|
for factorydef in self._factorystack:
|
|
factory = factorydef.func
|
|
fs, lineno = getfslineno(factory)
|
|
p = self._pyfuncitem.session.fspath.bestrelpath(fs)
|
|
args = inspect.formatargspec(*inspect.getargspec(factory))
|
|
lines.append("%s:%d: def %s%s" %(
|
|
p, lineno, factory.__name__, args))
|
|
return lines
|
|
|
|
|
|
def _getscopeitem(self, scope):
|
|
if scope == "function":
|
|
return self._pyfuncitem
|
|
elif scope == "session":
|
|
return None
|
|
elif scope == "class":
|
|
x = self._pyfuncitem.getparent(pytest.Class)
|
|
if x is not None:
|
|
return x
|
|
scope = "module"
|
|
if scope == "module":
|
|
return self._pyfuncitem.getparent(pytest.Module)
|
|
raise ValueError("unknown finalization scope %r" %(scope,))
|
|
|
|
def addfinalizer(self, finalizer):
|
|
"""add finalizer function to be called after test function
|
|
finished execution. """
|
|
self._addfinalizer(finalizer, scope=self.scope)
|
|
|
|
def _addfinalizer(self, finalizer, scope):
|
|
if scope != "function" and hasattr(self, "param"):
|
|
# parametrized resources are sorted by param
|
|
# so we rather store finalizers per (argname, param)
|
|
colitem = (self._currentarg, self.param)
|
|
else:
|
|
colitem = self._getscopeitem(scope)
|
|
self._pyfuncitem.session._setupstate.addfinalizer(
|
|
finalizer=finalizer, colitem=colitem)
|
|
|
|
def __repr__(self):
|
|
return "<FuncargRequest for %r>" %(self._pyfuncitem)
|
|
|
|
class ScopeMismatchError(Exception):
|
|
""" A funcarg factory tries to access a funcargvalue/factory
|
|
which has a lower scope (e.g. a Session one calls a function one)
|
|
"""
|
|
|
|
scopes = "session module class function".split()
|
|
def scopemismatch(currentscope, newscope):
|
|
return scopes.index(newscope) > scopes.index(currentscope)
|
|
|
|
def slice_kwargs(names, kwargs):
|
|
new_kwargs = {}
|
|
for name in names:
|
|
new_kwargs[name] = kwargs[name]
|
|
return new_kwargs
|
|
|
|
class FuncargLookupError(LookupError):
|
|
""" could not find a factory. """
|
|
def __init__(self, function, msg, factblines=None):
|
|
self.function = function
|
|
self.msg = msg
|
|
self.factblines = factblines
|
|
|
|
class FuncargLookupErrorRepr(TerminalRepr):
|
|
def __init__(self, filename, firstlineno, deflines, errorstring, factblines):
|
|
self.deflines = deflines
|
|
self.errorstring = errorstring
|
|
self.filename = filename
|
|
self.firstlineno = firstlineno
|
|
self.factblines = factblines
|
|
|
|
def toterminal(self, tw):
|
|
tw.line()
|
|
for line in self.factblines or []:
|
|
tw.line(line)
|
|
for line in self.deflines:
|
|
tw.line(" " + line.strip())
|
|
for line in self.errorstring.split("\n"):
|
|
tw.line(" " + line.strip(), red=True)
|
|
tw.line()
|
|
tw.line("%s:%d" % (self.filename, self.firstlineno+1))
|
|
|
|
class FuncargManager:
|
|
_argprefix = "pytest_funcarg__"
|
|
FuncargLookupError = FuncargLookupError
|
|
FuncargLookupErrorRepr = FuncargLookupErrorRepr
|
|
|
|
def __init__(self, session):
|
|
self.session = session
|
|
self.config = session.config
|
|
self.arg2facspec = {}
|
|
session.config.pluginmanager.register(self, "funcmanage")
|
|
self._holderobjseen = set()
|
|
self.setuplist = []
|
|
self._arg2finish = {}
|
|
|
|
### XXX this hook should be called for historic events like pytest_configure
|
|
### so that we don't have to do the below pytest_collection hook
|
|
def pytest_plugin_registered(self, plugin):
|
|
#print "plugin_registered", plugin
|
|
nodeid = ""
|
|
try:
|
|
p = py.path.local(plugin.__file__)
|
|
except AttributeError:
|
|
pass
|
|
else:
|
|
if p.basename.startswith("conftest.py"):
|
|
nodeid = p.dirpath().relto(self.session.fspath)
|
|
self._parsefactories(plugin, nodeid)
|
|
|
|
@pytest.mark.tryfirst
|
|
def pytest_collection(self, session):
|
|
plugins = session.config.pluginmanager.getplugins()
|
|
for plugin in plugins:
|
|
self.pytest_plugin_registered(plugin)
|
|
|
|
def pytest_generate_tests(self, metafunc):
|
|
funcargnames = list(metafunc.funcargnames)
|
|
_, allargnames = self.getsetuplist(metafunc.parentid)
|
|
#print "setuplist, allargnames", setuplist, allargnames
|
|
funcargnames.extend(allargnames)
|
|
seen = set()
|
|
while funcargnames:
|
|
argname = funcargnames.pop(0)
|
|
if argname in seen or argname == "request":
|
|
continue
|
|
seen.add(argname)
|
|
faclist = self.getfactorylist(argname, metafunc.parentid,
|
|
metafunc.function, raising=False)
|
|
if faclist is None:
|
|
continue # will raise FuncargLookupError at setup time
|
|
for facdef in faclist:
|
|
if facdef.params is not None:
|
|
metafunc.parametrize(argname, facdef.params, indirect=True,
|
|
scope=facdef.scope)
|
|
funcargnames.extend(facdef.funcargnames)
|
|
|
|
def pytest_collection_modifyitems(self, items):
|
|
# separate parametrized setups
|
|
items[:] = parametrize_sorted(items, set(), {}, 0)
|
|
|
|
def pytest_runtest_teardown(self, item, nextitem):
|
|
try:
|
|
cs1 = item.callspec
|
|
except AttributeError:
|
|
return
|
|
for name in cs1.params:
|
|
try:
|
|
if name in nextitem.callspec.params and \
|
|
cs1.params[name] == nextitem.callspec.params[name]:
|
|
continue
|
|
except AttributeError:
|
|
pass
|
|
key = (name, cs1.params[name])
|
|
item.session._setupstate._callfinalizers(key)
|
|
l = self._arg2finish.get(name)
|
|
if l is not None:
|
|
for fin in l:
|
|
fin()
|
|
|
|
def _parsefactories(self, holderobj, nodeid):
|
|
if holderobj in self._holderobjseen:
|
|
return
|
|
#print "parsefactories", holderobj
|
|
self._holderobjseen.add(holderobj)
|
|
for name in dir(holderobj):
|
|
#print "check", holderobj, name
|
|
obj = getattr(holderobj, name)
|
|
if not callable(obj):
|
|
continue
|
|
# resource factories either have a pytest_funcarg__ prefix
|
|
# or are "funcarg" marked
|
|
if not callable(obj):
|
|
continue
|
|
marker = getattr(obj, "_pytestfactory", None)
|
|
if marker is not None:
|
|
assert not name.startswith(self._argprefix)
|
|
argname = name
|
|
scope = marker.scope
|
|
params = marker.params
|
|
new = True
|
|
elif name.startswith(self._argprefix):
|
|
argname = name[len(self._argprefix):]
|
|
scope = None
|
|
params = None
|
|
new = False
|
|
else:
|
|
# no funcargs. check if we have a setup function.
|
|
setup = getattr(obj, "_pytestsetup", None)
|
|
if setup is not None:
|
|
scope = setup.scope
|
|
sf = SetupCall(self, nodeid, obj, scope)
|
|
self.setuplist.append(sf)
|
|
continue
|
|
faclist = self.arg2facspec.setdefault(argname, [])
|
|
factorydef = FactoryDef(self, nodeid, argname, obj, scope, params,
|
|
new)
|
|
faclist.append(factorydef)
|
|
### check scope/params mismatch?
|
|
|
|
def getsetuplist(self, nodeid):
|
|
l = []
|
|
allargnames = set()
|
|
for setupcall in self.setuplist:
|
|
if nodeid.startswith(setupcall.baseid):
|
|
l.append(setupcall)
|
|
allargnames.update(setupcall.funcargnames)
|
|
l.sort(key=lambda x: x.scopenum)
|
|
return l, allargnames
|
|
|
|
|
|
def getfactorylist(self, argname, nodeid, function, getfactb=None, raising=True):
|
|
try:
|
|
factorydeflist = self.arg2facspec[argname]
|
|
except KeyError:
|
|
if raising:
|
|
self._raiselookupfailed(argname, function, nodeid, getfactb)
|
|
else:
|
|
return self._matchfactories(factorydeflist, nodeid)
|
|
|
|
def _matchfactories(self, factorydeflist, nodeid):
|
|
l = []
|
|
for factorydef in factorydeflist:
|
|
#print "check", basepath, nodeid
|
|
if nodeid.startswith(factorydef.baseid):
|
|
l.append(factorydef)
|
|
return l
|
|
|
|
def _raiselookupfailed(self, argname, function, nodeid, getfactb=None):
|
|
available = []
|
|
for name, facdef in self.arg2facspec.items():
|
|
faclist = self._matchfactories(facdef, nodeid)
|
|
if faclist:
|
|
available.append(name)
|
|
msg = "LookupError: no factory found for argument %r" % (argname,)
|
|
msg += "\n available funcargs: %s" %(", ".join(available),)
|
|
msg += "\n use 'py.test --funcargs [testpath]' for help on them."
|
|
lines = getfactb and getfactb() or []
|
|
raise FuncargLookupError(function, msg, lines)
|
|
|
|
def ensure_setupcalls(self, request):
|
|
setuplist, allnames = self.getsetuplist(request._pyfuncitem.nodeid)
|
|
for setupcall in setuplist:
|
|
if setupcall.active:
|
|
continue
|
|
request._factorystack.append(setupcall)
|
|
try:
|
|
testcontext = TestContextSetup(request, setupcall)
|
|
kwargs = {}
|
|
for name in setupcall.funcargnames:
|
|
try:
|
|
kwargs[name] = request.getfuncargvalue(name)
|
|
except FuncargLookupError:
|
|
if name == "testcontext":
|
|
kwargs[name] = testcontext
|
|
else:
|
|
raise
|
|
scope = setupcall.scope or "function"
|
|
scol = setupcall.scopeitem = request._getscopeitem(scope)
|
|
self.session._setupstate.addfinalizer(setupcall.finish, scol)
|
|
for argname in setupcall.funcargnames: # XXX all deps?
|
|
self.addargfinalizer(setupcall.finish, argname)
|
|
setupcall.execute(kwargs)
|
|
finally:
|
|
request._factorystack.remove(setupcall)
|
|
|
|
def addargfinalizer(self, finalizer, argname):
|
|
l = self._arg2finish.setdefault(argname, [])
|
|
l.append(finalizer)
|
|
|
|
def removefinalizer(self, finalizer):
|
|
for l in self._arg2finish.values():
|
|
try:
|
|
l.remove(finalizer)
|
|
except ValueError:
|
|
pass
|
|
|
|
scope2props = dict(session=())
|
|
scope2props["module"] = ("fspath", "module")
|
|
scope2props["class"] = scope2props["module"] + ("cls",)
|
|
scope2props["function"] = scope2props["class"] + ("function", "keywords")
|
|
|
|
def scopeprop(attr, name=None, doc=None):
|
|
if doc is None:
|
|
doc = ("%s of underlying test context, may not exist "
|
|
"if the testcontext has a higher scope" % (attr,))
|
|
name = name or attr
|
|
def get(self):
|
|
if name in scope2props[self.scope]:
|
|
return getattr(self._request, name)
|
|
raise AttributeError("%s not available in %s-scoped context" % (
|
|
name, self.scope))
|
|
return property(get, doc=doc)
|
|
|
|
def rprop(attr, doc=None):
|
|
if doc is None:
|
|
doc = "%s of underlying test context" % attr
|
|
return property(lambda x: getattr(x._request, attr), doc=doc)
|
|
|
|
class TestContext(object):
|
|
""" Basic objects of the current testing context. """
|
|
def __init__(self, request, scope):
|
|
self._request = request
|
|
self.scope = scope
|
|
|
|
# no getfuncargvalue(), cached_setup, applymarker helpers here
|
|
# on purpose
|
|
|
|
config = rprop("config", "pytest config object.")
|
|
session = rprop("session", "pytest session object.")
|
|
|
|
function = scopeprop("function")
|
|
module = scopeprop("module")
|
|
cls = scopeprop("class", "cls")
|
|
instance = scopeprop("instance")
|
|
fspath = scopeprop("fspath")
|
|
#keywords = scopeprop("keywords")
|
|
|
|
class TestContextSetup(TestContext):
|
|
def __init__(self, request, setupcall):
|
|
self._setupcall = setupcall
|
|
self._finalizers = []
|
|
super(TestContextSetup, self).__init__(request, setupcall.scope)
|
|
|
|
def addfinalizer(self, finalizer):
|
|
""" Add a finalizer to be called after the last test in the
|
|
test context executes. """
|
|
self._setupcall.addfinalizer(finalizer)
|
|
|
|
class TestContextResource(TestContext):
|
|
param = rprop("param")
|
|
|
|
def __init__(self, request):
|
|
super(TestContextResource, self).__init__(request, request.scope)
|
|
|
|
def addfinalizer(self, finalizer):
|
|
""" Add a finalizer to be called after the last test in the
|
|
test context executes. """
|
|
self._request.addfinalizer(finalizer)
|
|
|
|
|
|
class SetupCall:
|
|
""" a container/helper for managing calls to setup functions. """
|
|
def __init__(self, funcargmanager, baseid, func, scope):
|
|
self.funcargmanager = funcargmanager
|
|
self.baseid = baseid
|
|
self.func = func
|
|
self.funcargnames = getfuncargnames(func)
|
|
self.scope = scope
|
|
self.scopenum = scopes.index(scope)
|
|
self.active = False
|
|
self._finalizer = []
|
|
|
|
def execute(self, kwargs):
|
|
assert not self.active
|
|
self.active = True
|
|
self.func(**kwargs)
|
|
|
|
def addfinalizer(self, finalizer):
|
|
assert self.active
|
|
self._finalizer.append(finalizer)
|
|
|
|
def finish(self):
|
|
while self._finalizer:
|
|
func = self._finalizer.pop()
|
|
func()
|
|
# check neccesity of next commented call
|
|
self.funcargmanager.removefinalizer(self.finish)
|
|
self.active = False
|
|
|
|
class FactoryDef:
|
|
""" A container for a factory definition. """
|
|
def __init__(self, funcargmanager, baseid, argname, func, scope, params,
|
|
new):
|
|
self.funcargmanager = funcargmanager
|
|
self.baseid = baseid
|
|
self.func = func
|
|
self.argname = argname
|
|
self.scope = scope
|
|
self.params = params
|
|
self.new = new
|
|
self.funcargnames = getfuncargnames(func)
|
|
|
|
def getfuncargnames(function, startindex=None):
|
|
# XXX merge with main.py's varnames
|
|
argnames = py.std.inspect.getargs(py.code.getrawcode(function))[0]
|
|
if startindex is None:
|
|
startindex = py.std.inspect.ismethod(function) and 1 or 0
|
|
defaults = getattr(function, 'func_defaults',
|
|
getattr(function, '__defaults__', None)) or ()
|
|
numdefaults = len(defaults)
|
|
if numdefaults:
|
|
return argnames[startindex:-numdefaults]
|
|
return argnames[startindex:]
|
|
|
|
# algorithm for sorting on a per-parametrized resource setup basis
|
|
|
|
def parametrize_sorted(items, ignore, cache, scopenum):
|
|
if scopenum >= 3:
|
|
return items
|
|
newitems = []
|
|
olditems = []
|
|
slicing_argparam = None
|
|
for item in items:
|
|
argparamlist = getfuncargparams(item, ignore, scopenum, cache)
|
|
if slicing_argparam is None and argparamlist:
|
|
slicing_argparam = argparamlist[0]
|
|
slicing_index = len(olditems)
|
|
if slicing_argparam in argparamlist:
|
|
newitems.append(item)
|
|
else:
|
|
olditems.append(item)
|
|
if newitems:
|
|
newignore = ignore.copy()
|
|
newignore.add(slicing_argparam)
|
|
newitems = parametrize_sorted(newitems + olditems[slicing_index:],
|
|
newignore, cache, scopenum)
|
|
old1 = parametrize_sorted(olditems[:slicing_index], newignore,
|
|
cache, scopenum+1)
|
|
return old1 + newitems
|
|
else:
|
|
olditems = parametrize_sorted(olditems, ignore, cache, scopenum+1)
|
|
return olditems + newitems
|
|
|
|
def getfuncargparams(item, ignore, scopenum, cache):
|
|
""" return list of (arg,param) tuple, sorted by broader scope first. """
|
|
assert scopenum < 3 # function
|
|
try:
|
|
cs = item.callspec
|
|
except AttributeError:
|
|
return []
|
|
if scopenum == 0:
|
|
argparams = [x for x in cs.params.items() if x not in ignore
|
|
and cs._arg2scopenum[x[0]] == scopenum]
|
|
elif scopenum == 1: # module
|
|
argparams = []
|
|
for argname, param in cs.params.items():
|
|
if cs._arg2scopenum[argname] == scopenum:
|
|
key = (argname, param, item.fspath)
|
|
if key in ignore:
|
|
continue
|
|
argparams.append(key)
|
|
elif scopenum == 2: # class
|
|
argparams = []
|
|
for argname, param in cs.params.items():
|
|
if cs._arg2scopenum[argname] == scopenum:
|
|
l = cache.setdefault(item.fspath, [])
|
|
try:
|
|
i = l.index(item.cls)
|
|
except ValueError:
|
|
i = len(l)
|
|
l.append(item.cls)
|
|
key = (argname, param, item.fspath, i)
|
|
if key in ignore:
|
|
continue
|
|
argparams.append(key)
|
|
#elif scopenum == 3:
|
|
# argparams = []
|
|
# for argname, param in cs.params.items():
|
|
# if cs._arg2scopenum[argname] == scopenum:
|
|
# key = (argname, param, getfslineno(item.obj))
|
|
# if key in ignore:
|
|
# continue
|
|
# argparams.append(key)
|
|
return argparams
|
|
|
|
|
|
def xunitsetup(obj, name):
|
|
meth = getattr(obj, name, None)
|
|
if meth is not None:
|
|
if not hasattr(meth, "_pytestsetup"):
|
|
return meth
|