827 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			827 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			Python
		
	
	
	
| """ core implementation of testing process: init, session, runtest loop. """
 | |
| from __future__ import absolute_import, division, print_function
 | |
| 
 | |
| import functools
 | |
| import os
 | |
| import sys
 | |
| 
 | |
| import _pytest
 | |
| import _pytest._code
 | |
| import py
 | |
| try:
 | |
|     from collections import MutableMapping as MappingMixin
 | |
| except ImportError:
 | |
|     from UserDict import DictMixin as MappingMixin
 | |
| 
 | |
| from _pytest.config import directory_arg, UsageError, hookimpl
 | |
| from _pytest.runner import collect_one_node
 | |
| from _pytest.outcomes import exit
 | |
| 
 | |
| tracebackcutdir = py.path.local(_pytest.__file__).dirpath()
 | |
| 
 | |
| # exitcodes for the command line
 | |
| EXIT_OK = 0
 | |
| EXIT_TESTSFAILED = 1
 | |
| EXIT_INTERRUPTED = 2
 | |
| EXIT_INTERNALERROR = 3
 | |
| EXIT_USAGEERROR = 4
 | |
| EXIT_NOTESTSCOLLECTED = 5
 | |
| 
 | |
| 
 | |
| def pytest_addoption(parser):
 | |
|     parser.addini("norecursedirs", "directory patterns to avoid for recursion",
 | |
|                   type="args", default=['.*', 'build', 'dist', 'CVS', '_darcs', '{arch}', '*.egg', 'venv'])
 | |
|     parser.addini("testpaths", "directories to search for tests when no files or directories are given in the "
 | |
|                                "command line.",
 | |
|                   type="args", default=[])
 | |
|     # parser.addini("dirpatterns",
 | |
|     #    "patterns specifying possible locations of test files",
 | |
|     #    type="linelist", default=["**/test_*.txt",
 | |
|     #            "**/test_*.py", "**/*_test.py"]
 | |
|     # )
 | |
|     group = parser.getgroup("general", "running and selection options")
 | |
|     group._addoption('-x', '--exitfirst', action="store_const",
 | |
|                      dest="maxfail", const=1,
 | |
|                      help="exit instantly on first error or failed test."),
 | |
|     group._addoption('--maxfail', metavar="num",
 | |
|                      action="store", type=int, dest="maxfail", default=0,
 | |
|                      help="exit after first num failures or errors.")
 | |
|     group._addoption('--strict', action="store_true",
 | |
|                      help="marks not registered in configuration file raise errors.")
 | |
|     group._addoption("-c", metavar="file", type=str, dest="inifilename",
 | |
|                      help="load configuration from `file` instead of trying to locate one of the implicit "
 | |
|                           "configuration files.")
 | |
|     group._addoption("--continue-on-collection-errors", action="store_true",
 | |
|                      default=False, dest="continue_on_collection_errors",
 | |
|                      help="Force test execution even if collection errors occur.")
 | |
| 
 | |
|     group = parser.getgroup("collect", "collection")
 | |
|     group.addoption('--collectonly', '--collect-only', action="store_true",
 | |
|                     help="only collect tests, don't execute them."),
 | |
|     group.addoption('--pyargs', action="store_true",
 | |
|                     help="try to interpret all arguments as python packages.")
 | |
|     group.addoption("--ignore", action="append", metavar="path",
 | |
|                     help="ignore path during collection (multi-allowed).")
 | |
|     # when changing this to --conf-cut-dir, config.py Conftest.setinitial
 | |
|     # needs upgrading as well
 | |
|     group.addoption('--confcutdir', dest="confcutdir", default=None,
 | |
|                     metavar="dir", type=functools.partial(directory_arg, optname="--confcutdir"),
 | |
|                     help="only load conftest.py's relative to specified dir.")
 | |
|     group.addoption('--noconftest', action="store_true",
 | |
|                     dest="noconftest", default=False,
 | |
|                     help="Don't load any conftest.py files.")
 | |
|     group.addoption('--keepduplicates', '--keep-duplicates', action="store_true",
 | |
|                     dest="keepduplicates", default=False,
 | |
|                     help="Keep duplicate tests.")
 | |
|     group.addoption('--collect-in-virtualenv', action='store_true',
 | |
|                     dest='collect_in_virtualenv', default=False,
 | |
|                     help="Don't ignore tests in a local virtualenv directory")
 | |
| 
 | |
|     group = parser.getgroup("debugconfig",
 | |
|                             "test session debugging and configuration")
 | |
|     group.addoption('--basetemp', dest="basetemp", default=None, metavar="dir",
 | |
|                     help="base temporary directory for this test run.")
 | |
| 
 | |
| 
 | |
| def pytest_namespace():
 | |
|     """keeping this one works around a deeper startup issue in pytest
 | |
| 
 | |
|     i tried to find it for a while but the amount of time turned unsustainable,
 | |
|     so i put a hack in to revisit later
 | |
|     """
 | |
|     return {}
 | |
| 
 | |
| 
 | |
| def pytest_configure(config):
 | |
|     __import__('pytest').config = config  # compatibiltiy
 | |
| 
 | |
| 
 | |
| def wrap_session(config, doit):
 | |
|     """Skeleton command line program"""
 | |
|     session = Session(config)
 | |
|     session.exitstatus = EXIT_OK
 | |
|     initstate = 0
 | |
|     try:
 | |
|         try:
 | |
|             config._do_configure()
 | |
|             initstate = 1
 | |
|             config.hook.pytest_sessionstart(session=session)
 | |
|             initstate = 2
 | |
|             session.exitstatus = doit(config, session) or 0
 | |
|         except UsageError:
 | |
|             raise
 | |
|         except KeyboardInterrupt:
 | |
|             excinfo = _pytest._code.ExceptionInfo()
 | |
|             if initstate < 2 and isinstance(excinfo.value, exit.Exception):
 | |
|                 sys.stderr.write('{0}: {1}\n'.format(
 | |
|                     excinfo.typename, excinfo.value.msg))
 | |
|             config.hook.pytest_keyboard_interrupt(excinfo=excinfo)
 | |
|             session.exitstatus = EXIT_INTERRUPTED
 | |
|         except:
 | |
|             excinfo = _pytest._code.ExceptionInfo()
 | |
|             config.notify_exception(excinfo, config.option)
 | |
|             session.exitstatus = EXIT_INTERNALERROR
 | |
|             if excinfo.errisinstance(SystemExit):
 | |
|                 sys.stderr.write("mainloop: caught Spurious SystemExit!\n")
 | |
| 
 | |
|     finally:
 | |
|         excinfo = None  # Explicitly break reference cycle.
 | |
|         session.startdir.chdir()
 | |
|         if initstate >= 2:
 | |
|             config.hook.pytest_sessionfinish(
 | |
|                 session=session,
 | |
|                 exitstatus=session.exitstatus)
 | |
|         config._ensure_unconfigure()
 | |
|     return session.exitstatus
 | |
| 
 | |
| 
 | |
| def pytest_cmdline_main(config):
 | |
|     return wrap_session(config, _main)
 | |
| 
 | |
| 
 | |
| def _main(config, session):
 | |
|     """ default command line protocol for initialization, session,
 | |
|     running tests and reporting. """
 | |
|     config.hook.pytest_collection(session=session)
 | |
|     config.hook.pytest_runtestloop(session=session)
 | |
| 
 | |
|     if session.testsfailed:
 | |
|         return EXIT_TESTSFAILED
 | |
|     elif session.testscollected == 0:
 | |
|         return EXIT_NOTESTSCOLLECTED
 | |
| 
 | |
| 
 | |
| def pytest_collection(session):
 | |
|     return session.perform_collect()
 | |
| 
 | |
| 
 | |
| def pytest_runtestloop(session):
 | |
|     if (session.testsfailed and
 | |
|             not session.config.option.continue_on_collection_errors):
 | |
|         raise session.Interrupted(
 | |
|             "%d errors during collection" % session.testsfailed)
 | |
| 
 | |
|     if session.config.option.collectonly:
 | |
|         return True
 | |
| 
 | |
|     for i, item in enumerate(session.items):
 | |
|         nextitem = session.items[i + 1] if i + 1 < len(session.items) else None
 | |
|         item.config.hook.pytest_runtest_protocol(item=item, nextitem=nextitem)
 | |
|         if session.shouldstop:
 | |
|             raise session.Interrupted(session.shouldstop)
 | |
|     return True
 | |
| 
 | |
| 
 | |
| def _in_venv(path):
 | |
|     """Attempts to detect if ``path`` is the root of a Virtual Environment by
 | |
|     checking for the existence of the appropriate activate script"""
 | |
|     bindir = path.join('Scripts' if sys.platform.startswith('win') else 'bin')
 | |
|     if not bindir.exists():
 | |
|         return False
 | |
|     activates = ('activate', 'activate.csh', 'activate.fish',
 | |
|                  'Activate', 'Activate.bat', 'Activate.ps1')
 | |
|     return any([fname.basename in activates for fname in bindir.listdir()])
 | |
| 
 | |
| 
 | |
| def pytest_ignore_collect(path, config):
 | |
|     ignore_paths = config._getconftest_pathlist("collect_ignore", path=path.dirpath())
 | |
|     ignore_paths = ignore_paths or []
 | |
|     excludeopt = config.getoption("ignore")
 | |
|     if excludeopt:
 | |
|         ignore_paths.extend([py.path.local(x) for x in excludeopt])
 | |
| 
 | |
|     if py.path.local(path) in ignore_paths:
 | |
|         return True
 | |
| 
 | |
|     allow_in_venv = config.getoption("collect_in_virtualenv")
 | |
|     if _in_venv(path) and not allow_in_venv:
 | |
|         return True
 | |
| 
 | |
|     # Skip duplicate paths.
 | |
|     keepduplicates = config.getoption("keepduplicates")
 | |
|     duplicate_paths = config.pluginmanager._duplicatepaths
 | |
|     if not keepduplicates:
 | |
|         if path in duplicate_paths:
 | |
|             return True
 | |
|         else:
 | |
|             duplicate_paths.add(path)
 | |
| 
 | |
|     return False
 | |
| 
 | |
| 
 | |
| class FSHookProxy:
 | |
|     def __init__(self, fspath, pm, remove_mods):
 | |
|         self.fspath = fspath
 | |
|         self.pm = pm
 | |
|         self.remove_mods = remove_mods
 | |
| 
 | |
|     def __getattr__(self, name):
 | |
|         x = self.pm.subset_hook_caller(name, remove_plugins=self.remove_mods)
 | |
|         self.__dict__[name] = x
 | |
|         return x
 | |
| 
 | |
| 
 | |
| class _CompatProperty(object):
 | |
|     def __init__(self, name):
 | |
|         self.name = name
 | |
| 
 | |
|     def __get__(self, obj, owner):
 | |
|         if obj is None:
 | |
|             return self
 | |
| 
 | |
|         # TODO: reenable in the features branch
 | |
|         # warnings.warn(
 | |
|         #     "usage of {owner!r}.{name} is deprecated, please use pytest.{name} instead".format(
 | |
|         #         name=self.name, owner=type(owner).__name__),
 | |
|         #     PendingDeprecationWarning, stacklevel=2)
 | |
|         return getattr(__import__('pytest'), self.name)
 | |
| 
 | |
| 
 | |
| class NodeKeywords(MappingMixin):
 | |
|     def __init__(self, node):
 | |
|         self.node = node
 | |
|         self.parent = node.parent
 | |
|         self._markers = {node.name: True}
 | |
| 
 | |
|     def __getitem__(self, key):
 | |
|         try:
 | |
|             return self._markers[key]
 | |
|         except KeyError:
 | |
|             if self.parent is None:
 | |
|                 raise
 | |
|             return self.parent.keywords[key]
 | |
| 
 | |
|     def __setitem__(self, key, value):
 | |
|         self._markers[key] = value
 | |
| 
 | |
|     def __delitem__(self, key):
 | |
|         raise ValueError("cannot delete key in keywords dict")
 | |
| 
 | |
|     def __iter__(self):
 | |
|         seen = set(self._markers)
 | |
|         if self.parent is not None:
 | |
|             seen.update(self.parent.keywords)
 | |
|         return iter(seen)
 | |
| 
 | |
|     def __len__(self):
 | |
|         return len(self.__iter__())
 | |
| 
 | |
|     def keys(self):
 | |
|         return list(self)
 | |
| 
 | |
|     def __repr__(self):
 | |
|         return "<NodeKeywords for node %s>" % (self.node, )
 | |
| 
 | |
| 
 | |
| class Node(object):
 | |
|     """ base class for Collector and Item the test collection tree.
 | |
|     Collector subclasses have children, Items are terminal nodes."""
 | |
| 
 | |
|     def __init__(self, name, parent=None, config=None, session=None):
 | |
|         #: a unique name within the scope of the parent node
 | |
|         self.name = name
 | |
| 
 | |
|         #: the parent collector node.
 | |
|         self.parent = parent
 | |
| 
 | |
|         #: the pytest config object
 | |
|         self.config = config or parent.config
 | |
| 
 | |
|         #: the session this node is part of
 | |
|         self.session = session or parent.session
 | |
| 
 | |
|         #: filesystem path where this node was collected from (can be None)
 | |
|         self.fspath = getattr(parent, 'fspath', None)
 | |
| 
 | |
|         #: keywords/markers collected from all scopes
 | |
|         self.keywords = NodeKeywords(self)
 | |
| 
 | |
|         #: allow adding of extra keywords to use for matching
 | |
|         self.extra_keyword_matches = set()
 | |
| 
 | |
|         # used for storing artificial fixturedefs for direct parametrization
 | |
|         self._name2pseudofixturedef = {}
 | |
| 
 | |
|     @property
 | |
|     def ihook(self):
 | |
|         """ fspath sensitive hook proxy used to call pytest hooks"""
 | |
|         return self.session.gethookproxy(self.fspath)
 | |
| 
 | |
|     Module = _CompatProperty("Module")
 | |
|     Class = _CompatProperty("Class")
 | |
|     Instance = _CompatProperty("Instance")
 | |
|     Function = _CompatProperty("Function")
 | |
|     File = _CompatProperty("File")
 | |
|     Item = _CompatProperty("Item")
 | |
| 
 | |
|     def _getcustomclass(self, name):
 | |
|         maybe_compatprop = getattr(type(self), name)
 | |
|         if isinstance(maybe_compatprop, _CompatProperty):
 | |
|             return getattr(__import__('pytest'), name)
 | |
|         else:
 | |
|             cls = getattr(self, name)
 | |
|             # TODO: reenable in the features branch
 | |
|             # warnings.warn("use of node.%s is deprecated, "
 | |
|             #    "use pytest_pycollect_makeitem(...) to create custom "
 | |
|             #    "collection nodes" % name, category=DeprecationWarning)
 | |
|         return cls
 | |
| 
 | |
|     def __repr__(self):
 | |
|         return "<%s %r>" % (self.__class__.__name__,
 | |
|                             getattr(self, 'name', None))
 | |
| 
 | |
|     def warn(self, code, message):
 | |
|         """ generate a warning with the given code and message for this
 | |
|         item. """
 | |
|         assert isinstance(code, str)
 | |
|         fslocation = getattr(self, "location", None)
 | |
|         if fslocation is None:
 | |
|             fslocation = getattr(self, "fspath", None)
 | |
|         self.ihook.pytest_logwarning.call_historic(kwargs=dict(
 | |
|             code=code, message=message,
 | |
|             nodeid=self.nodeid, fslocation=fslocation))
 | |
| 
 | |
|     # methods for ordering nodes
 | |
|     @property
 | |
|     def nodeid(self):
 | |
|         """ a ::-separated string denoting its collection tree address. """
 | |
|         try:
 | |
|             return self._nodeid
 | |
|         except AttributeError:
 | |
|             self._nodeid = x = self._makeid()
 | |
|             return x
 | |
| 
 | |
|     def _makeid(self):
 | |
|         return self.parent.nodeid + "::" + self.name
 | |
| 
 | |
|     def __hash__(self):
 | |
|         return hash(self.nodeid)
 | |
| 
 | |
|     def setup(self):
 | |
|         pass
 | |
| 
 | |
|     def teardown(self):
 | |
|         pass
 | |
| 
 | |
|     def _memoizedcall(self, attrname, function):
 | |
|         exattrname = "_ex_" + attrname
 | |
|         failure = getattr(self, exattrname, None)
 | |
|         if failure is not None:
 | |
|             py.builtin._reraise(failure[0], failure[1], failure[2])
 | |
|         if hasattr(self, attrname):
 | |
|             return getattr(self, attrname)
 | |
|         try:
 | |
|             res = function()
 | |
|         except py.builtin._sysex:
 | |
|             raise
 | |
|         except:
 | |
|             failure = sys.exc_info()
 | |
|             setattr(self, exattrname, failure)
 | |
|             raise
 | |
|         setattr(self, attrname, res)
 | |
|         return res
 | |
| 
 | |
|     def listchain(self):
 | |
|         """ return list of all parent collectors up to self,
 | |
|             starting from root of collection tree. """
 | |
|         chain = []
 | |
|         item = self
 | |
|         while item is not None:
 | |
|             chain.append(item)
 | |
|             item = item.parent
 | |
|         chain.reverse()
 | |
|         return chain
 | |
| 
 | |
|     def add_marker(self, marker):
 | |
|         """ dynamically add a marker object to the node.
 | |
| 
 | |
|         ``marker`` can be a string or pytest.mark.* instance.
 | |
|         """
 | |
|         from _pytest.mark import MarkDecorator, MARK_GEN
 | |
|         if isinstance(marker, py.builtin._basestring):
 | |
|             marker = getattr(MARK_GEN, marker)
 | |
|         elif not isinstance(marker, MarkDecorator):
 | |
|             raise ValueError("is not a string or pytest.mark.* Marker")
 | |
|         self.keywords[marker.name] = marker
 | |
| 
 | |
|     def get_marker(self, name):
 | |
|         """ get a marker object from this node or None if
 | |
|         the node doesn't have a marker with that name. """
 | |
|         val = self.keywords.get(name, None)
 | |
|         if val is not None:
 | |
|             from _pytest.mark import MarkInfo, MarkDecorator
 | |
|             if isinstance(val, (MarkDecorator, MarkInfo)):
 | |
|                 return val
 | |
| 
 | |
|     def listextrakeywords(self):
 | |
|         """ Return a set of all extra keywords in self and any parents."""
 | |
|         extra_keywords = set()
 | |
|         item = self
 | |
|         for item in self.listchain():
 | |
|             extra_keywords.update(item.extra_keyword_matches)
 | |
|         return extra_keywords
 | |
| 
 | |
|     def listnames(self):
 | |
|         return [x.name for x in self.listchain()]
 | |
| 
 | |
|     def addfinalizer(self, fin):
 | |
|         """ register a function to be called when this node is finalized.
 | |
| 
 | |
|         This method can only be called when this node is active
 | |
|         in a setup chain, for example during self.setup().
 | |
|         """
 | |
|         self.session._setupstate.addfinalizer(fin, self)
 | |
| 
 | |
|     def getparent(self, cls):
 | |
|         """ get the next parent node (including ourself)
 | |
|         which is an instance of the given class"""
 | |
|         current = self
 | |
|         while current and not isinstance(current, cls):
 | |
|             current = current.parent
 | |
|         return current
 | |
| 
 | |
|     def _prunetraceback(self, excinfo):
 | |
|         pass
 | |
| 
 | |
|     def _repr_failure_py(self, excinfo, style=None):
 | |
|         fm = self.session._fixturemanager
 | |
|         if excinfo.errisinstance(fm.FixtureLookupError):
 | |
|             return excinfo.value.formatrepr()
 | |
|         tbfilter = True
 | |
|         if self.config.option.fulltrace:
 | |
|             style = "long"
 | |
|         else:
 | |
|             tb = _pytest._code.Traceback([excinfo.traceback[-1]])
 | |
|             self._prunetraceback(excinfo)
 | |
|             if len(excinfo.traceback) == 0:
 | |
|                 excinfo.traceback = tb
 | |
|             tbfilter = False  # prunetraceback already does it
 | |
|             if style == "auto":
 | |
|                 style = "long"
 | |
|         # XXX should excinfo.getrepr record all data and toterminal() process it?
 | |
|         if style is None:
 | |
|             if self.config.option.tbstyle == "short":
 | |
|                 style = "short"
 | |
|             else:
 | |
|                 style = "long"
 | |
| 
 | |
|         try:
 | |
|             os.getcwd()
 | |
|             abspath = False
 | |
|         except OSError:
 | |
|             abspath = True
 | |
| 
 | |
|         return excinfo.getrepr(funcargs=True, abspath=abspath,
 | |
|                                showlocals=self.config.option.showlocals,
 | |
|                                style=style, tbfilter=tbfilter)
 | |
| 
 | |
|     repr_failure = _repr_failure_py
 | |
| 
 | |
| 
 | |
| class Collector(Node):
 | |
|     """ Collector instances create children through collect()
 | |
|         and thus iteratively build a tree.
 | |
|     """
 | |
| 
 | |
|     class CollectError(Exception):
 | |
|         """ an error during collection, contains a custom message. """
 | |
| 
 | |
|     def collect(self):
 | |
|         """ returns a list of children (items and collectors)
 | |
|             for this collection node.
 | |
|         """
 | |
|         raise NotImplementedError("abstract")
 | |
| 
 | |
|     def repr_failure(self, excinfo):
 | |
|         """ represent a collection failure. """
 | |
|         if excinfo.errisinstance(self.CollectError):
 | |
|             exc = excinfo.value
 | |
|             return str(exc.args[0])
 | |
|         return self._repr_failure_py(excinfo, style="short")
 | |
| 
 | |
|     def _prunetraceback(self, excinfo):
 | |
|         if hasattr(self, 'fspath'):
 | |
|             traceback = excinfo.traceback
 | |
|             ntraceback = traceback.cut(path=self.fspath)
 | |
|             if ntraceback == traceback:
 | |
|                 ntraceback = ntraceback.cut(excludepath=tracebackcutdir)
 | |
|             excinfo.traceback = ntraceback.filter()
 | |
| 
 | |
| 
 | |
| class FSCollector(Collector):
 | |
|     def __init__(self, fspath, parent=None, config=None, session=None):
 | |
|         fspath = py.path.local(fspath)  # xxx only for test_resultlog.py?
 | |
|         name = fspath.basename
 | |
|         if parent is not None:
 | |
|             rel = fspath.relto(parent.fspath)
 | |
|             if rel:
 | |
|                 name = rel
 | |
|             name = name.replace(os.sep, "/")
 | |
|         super(FSCollector, self).__init__(name, parent, config, session)
 | |
|         self.fspath = fspath
 | |
| 
 | |
|     def _makeid(self):
 | |
|         relpath = self.fspath.relto(self.config.rootdir)
 | |
|         if os.sep != "/":
 | |
|             relpath = relpath.replace(os.sep, "/")
 | |
|         return relpath
 | |
| 
 | |
| 
 | |
| class File(FSCollector):
 | |
|     """ base class for collecting tests from a file. """
 | |
| 
 | |
| 
 | |
| class Item(Node):
 | |
|     """ a basic test invocation item. Note that for a single function
 | |
|     there might be multiple test invocation items.
 | |
|     """
 | |
|     nextitem = None
 | |
| 
 | |
|     def __init__(self, name, parent=None, config=None, session=None):
 | |
|         super(Item, self).__init__(name, parent, config, session)
 | |
|         self._report_sections = []
 | |
| 
 | |
|     def add_report_section(self, when, key, content):
 | |
|         """
 | |
|         Adds a new report section, similar to what's done internally to add stdout and
 | |
|         stderr captured output::
 | |
| 
 | |
|             item.add_report_section("call", "stdout", "report section contents")
 | |
| 
 | |
|         :param str when:
 | |
|             One of the possible capture states, ``"setup"``, ``"call"``, ``"teardown"``.
 | |
|         :param str key:
 | |
|             Name of the section, can be customized at will. Pytest uses ``"stdout"`` and
 | |
|             ``"stderr"`` internally.
 | |
| 
 | |
|         :param str content:
 | |
|             The full contents as a string.
 | |
|         """
 | |
|         if content:
 | |
|             self._report_sections.append((when, key, content))
 | |
| 
 | |
|     def reportinfo(self):
 | |
|         return self.fspath, None, ""
 | |
| 
 | |
|     @property
 | |
|     def location(self):
 | |
|         try:
 | |
|             return self._location
 | |
|         except AttributeError:
 | |
|             location = self.reportinfo()
 | |
|             # bestrelpath is a quite slow function
 | |
|             cache = self.config.__dict__.setdefault("_bestrelpathcache", {})
 | |
|             try:
 | |
|                 fspath = cache[location[0]]
 | |
|             except KeyError:
 | |
|                 fspath = self.session.fspath.bestrelpath(location[0])
 | |
|                 cache[location[0]] = fspath
 | |
|             location = (fspath, location[1], str(location[2]))
 | |
|             self._location = location
 | |
|             return location
 | |
| 
 | |
| 
 | |
| class NoMatch(Exception):
 | |
|     """ raised if matching cannot locate a matching names. """
 | |
| 
 | |
| 
 | |
| class Interrupted(KeyboardInterrupt):
 | |
|     """ signals an interrupted test run. """
 | |
|     __module__ = 'builtins'  # for py3
 | |
| 
 | |
| 
 | |
| class Session(FSCollector):
 | |
|     Interrupted = Interrupted
 | |
| 
 | |
|     def __init__(self, config):
 | |
|         FSCollector.__init__(self, config.rootdir, parent=None,
 | |
|                              config=config, session=self)
 | |
|         self.testsfailed = 0
 | |
|         self.testscollected = 0
 | |
|         self.shouldstop = False
 | |
|         self.trace = config.trace.root.get("collection")
 | |
|         self._norecursepatterns = config.getini("norecursedirs")
 | |
|         self.startdir = py.path.local()
 | |
|         self.config.pluginmanager.register(self, name="session")
 | |
| 
 | |
|     def _makeid(self):
 | |
|         return ""
 | |
| 
 | |
|     @hookimpl(tryfirst=True)
 | |
|     def pytest_collectstart(self):
 | |
|         if self.shouldstop:
 | |
|             raise self.Interrupted(self.shouldstop)
 | |
| 
 | |
|     @hookimpl(tryfirst=True)
 | |
|     def pytest_runtest_logreport(self, report):
 | |
|         if report.failed and not hasattr(report, 'wasxfail'):
 | |
|             self.testsfailed += 1
 | |
|             maxfail = self.config.getvalue("maxfail")
 | |
|             if maxfail and self.testsfailed >= maxfail:
 | |
|                 self.shouldstop = "stopping after %d failures" % (
 | |
|                     self.testsfailed)
 | |
|     pytest_collectreport = pytest_runtest_logreport
 | |
| 
 | |
|     def isinitpath(self, path):
 | |
|         return path in self._initialpaths
 | |
| 
 | |
|     def gethookproxy(self, fspath):
 | |
|         # check if we have the common case of running
 | |
|         # hooks with all conftest.py filesall conftest.py
 | |
|         pm = self.config.pluginmanager
 | |
|         my_conftestmodules = pm._getconftestmodules(fspath)
 | |
|         remove_mods = pm._conftest_plugins.difference(my_conftestmodules)
 | |
|         if remove_mods:
 | |
|             # one or more conftests are not in use at this fspath
 | |
|             proxy = FSHookProxy(fspath, pm, remove_mods)
 | |
|         else:
 | |
|             # all plugis are active for this fspath
 | |
|             proxy = self.config.hook
 | |
|         return proxy
 | |
| 
 | |
|     def perform_collect(self, args=None, genitems=True):
 | |
|         hook = self.config.hook
 | |
|         try:
 | |
|             items = self._perform_collect(args, genitems)
 | |
|             self.config.pluginmanager.check_pending()
 | |
|             hook.pytest_collection_modifyitems(session=self,
 | |
|                                                config=self.config, items=items)
 | |
|         finally:
 | |
|             hook.pytest_collection_finish(session=self)
 | |
|         self.testscollected = len(items)
 | |
|         return items
 | |
| 
 | |
|     def _perform_collect(self, args, genitems):
 | |
|         if args is None:
 | |
|             args = self.config.args
 | |
|         self.trace("perform_collect", self, args)
 | |
|         self.trace.root.indent += 1
 | |
|         self._notfound = []
 | |
|         self._initialpaths = set()
 | |
|         self._initialparts = []
 | |
|         self.items = items = []
 | |
|         for arg in args:
 | |
|             parts = self._parsearg(arg)
 | |
|             self._initialparts.append(parts)
 | |
|             self._initialpaths.add(parts[0])
 | |
|         rep = collect_one_node(self)
 | |
|         self.ihook.pytest_collectreport(report=rep)
 | |
|         self.trace.root.indent -= 1
 | |
|         if self._notfound:
 | |
|             errors = []
 | |
|             for arg, exc in self._notfound:
 | |
|                 line = "(no name %r in any of %r)" % (arg, exc.args[0])
 | |
|                 errors.append("not found: %s\n%s" % (arg, line))
 | |
|                 # XXX: test this
 | |
|             raise UsageError(*errors)
 | |
|         if not genitems:
 | |
|             return rep.result
 | |
|         else:
 | |
|             if rep.passed:
 | |
|                 for node in rep.result:
 | |
|                     self.items.extend(self.genitems(node))
 | |
|             return items
 | |
| 
 | |
|     def collect(self):
 | |
|         for parts in self._initialparts:
 | |
|             arg = "::".join(map(str, parts))
 | |
|             self.trace("processing argument", arg)
 | |
|             self.trace.root.indent += 1
 | |
|             try:
 | |
|                 for x in self._collect(arg):
 | |
|                     yield x
 | |
|             except NoMatch:
 | |
|                 # we are inside a make_report hook so
 | |
|                 # we cannot directly pass through the exception
 | |
|                 self._notfound.append((arg, sys.exc_info()[1]))
 | |
| 
 | |
|             self.trace.root.indent -= 1
 | |
| 
 | |
|     def _collect(self, arg):
 | |
|         names = self._parsearg(arg)
 | |
|         path = names.pop(0)
 | |
|         if path.check(dir=1):
 | |
|             assert not names, "invalid arg %r" % (arg,)
 | |
|             for path in path.visit(fil=lambda x: x.check(file=1),
 | |
|                                    rec=self._recurse, bf=True, sort=True):
 | |
|                 for x in self._collectfile(path):
 | |
|                     yield x
 | |
|         else:
 | |
|             assert path.check(file=1)
 | |
|             for x in self.matchnodes(self._collectfile(path), names):
 | |
|                 yield x
 | |
| 
 | |
|     def _collectfile(self, path):
 | |
|         ihook = self.gethookproxy(path)
 | |
|         if not self.isinitpath(path):
 | |
|             if ihook.pytest_ignore_collect(path=path, config=self.config):
 | |
|                 return ()
 | |
|         return ihook.pytest_collect_file(path=path, parent=self)
 | |
| 
 | |
|     def _recurse(self, path):
 | |
|         ihook = self.gethookproxy(path.dirpath())
 | |
|         if ihook.pytest_ignore_collect(path=path, config=self.config):
 | |
|             return
 | |
|         for pat in self._norecursepatterns:
 | |
|             if path.check(fnmatch=pat):
 | |
|                 return False
 | |
|         ihook = self.gethookproxy(path)
 | |
|         ihook.pytest_collect_directory(path=path, parent=self)
 | |
|         return True
 | |
| 
 | |
|     def _tryconvertpyarg(self, x):
 | |
|         """Convert a dotted module name to path.
 | |
| 
 | |
|         """
 | |
|         import pkgutil
 | |
|         try:
 | |
|             loader = pkgutil.find_loader(x)
 | |
|         except ImportError:
 | |
|             return x
 | |
|         if loader is None:
 | |
|             return x
 | |
|         # This method is sometimes invoked when AssertionRewritingHook, which
 | |
|         # does not define a get_filename method, is already in place:
 | |
|         try:
 | |
|             path = loader.get_filename(x)
 | |
|         except AttributeError:
 | |
|             # Retrieve path from AssertionRewritingHook:
 | |
|             path = loader.modules[x][0].co_filename
 | |
|         if loader.is_package(x):
 | |
|             path = os.path.dirname(path)
 | |
|         return path
 | |
| 
 | |
|     def _parsearg(self, arg):
 | |
|         """ return (fspath, names) tuple after checking the file exists. """
 | |
|         parts = str(arg).split("::")
 | |
|         if self.config.option.pyargs:
 | |
|             parts[0] = self._tryconvertpyarg(parts[0])
 | |
|         relpath = parts[0].replace("/", os.sep)
 | |
|         path = self.config.invocation_dir.join(relpath, abs=True)
 | |
|         if not path.check():
 | |
|             if self.config.option.pyargs:
 | |
|                 raise UsageError(
 | |
|                     "file or package not found: " + arg +
 | |
|                     " (missing __init__.py?)")
 | |
|             else:
 | |
|                 raise UsageError("file not found: " + arg)
 | |
|         parts[0] = path
 | |
|         return parts
 | |
| 
 | |
|     def matchnodes(self, matching, names):
 | |
|         self.trace("matchnodes", matching, names)
 | |
|         self.trace.root.indent += 1
 | |
|         nodes = self._matchnodes(matching, names)
 | |
|         num = len(nodes)
 | |
|         self.trace("matchnodes finished -> ", num, "nodes")
 | |
|         self.trace.root.indent -= 1
 | |
|         if num == 0:
 | |
|             raise NoMatch(matching, names[:1])
 | |
|         return nodes
 | |
| 
 | |
|     def _matchnodes(self, matching, names):
 | |
|         if not matching or not names:
 | |
|             return matching
 | |
|         name = names[0]
 | |
|         assert name
 | |
|         nextnames = names[1:]
 | |
|         resultnodes = []
 | |
|         for node in matching:
 | |
|             if isinstance(node, Item):
 | |
|                 if not names:
 | |
|                     resultnodes.append(node)
 | |
|                 continue
 | |
|             assert isinstance(node, Collector)
 | |
|             rep = collect_one_node(node)
 | |
|             if rep.passed:
 | |
|                 has_matched = False
 | |
|                 for x in rep.result:
 | |
|                     # TODO: remove parametrized workaround once collection structure contains parametrization
 | |
|                     if x.name == name or x.name.split("[")[0] == name:
 | |
|                         resultnodes.extend(self.matchnodes([x], nextnames))
 | |
|                         has_matched = True
 | |
|                 # XXX accept IDs that don't have "()" for class instances
 | |
|                 if not has_matched and len(rep.result) == 1 and x.name == "()":
 | |
|                     nextnames.insert(0, name)
 | |
|                     resultnodes.extend(self.matchnodes([x], nextnames))
 | |
|             else:
 | |
|                 # report collection failures here to avoid failing to run some test
 | |
|                 # specified in the command line because the module could not be
 | |
|                 # imported (#134)
 | |
|                 node.ihook.pytest_collectreport(report=rep)
 | |
|         return resultnodes
 | |
| 
 | |
|     def genitems(self, node):
 | |
|         self.trace("genitems", node)
 | |
|         if isinstance(node, Item):
 | |
|             node.ihook.pytest_itemcollected(item=node)
 | |
|             yield node
 | |
|         else:
 | |
|             assert isinstance(node, Collector)
 | |
|             rep = collect_one_node(node)
 | |
|             if rep.passed:
 | |
|                 for subnode in rep.result:
 | |
|                     for x in self.genitems(subnode):
 | |
|                         yield x
 | |
|             node.ihook.pytest_collectreport(report=rep)
 |