mirror of
https://github.com/thegeeklab/ansible-later.git
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429 lines
14 KiB
Python
429 lines
14 KiB
Python
from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import os
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import warnings
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import py
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import six
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import _pytest._code
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from _pytest.compat import getfslineno
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from _pytest.mark.structures import NodeKeywords
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from _pytest.outcomes import fail
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SEP = "/"
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tracebackcutdir = py.path.local(_pytest.__file__).dirpath()
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def _splitnode(nodeid):
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"""Split a nodeid into constituent 'parts'.
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Node IDs are strings, and can be things like:
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''
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'testing/code'
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'testing/code/test_excinfo.py'
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'testing/code/test_excinfo.py::TestFormattedExcinfo'
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Return values are lists e.g.
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[]
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['testing', 'code']
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['testing', 'code', 'test_excinfo.py']
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['testing', 'code', 'test_excinfo.py', 'TestFormattedExcinfo', '()']
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"""
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if nodeid == "":
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# If there is no root node at all, return an empty list so the caller's logic can remain sane
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return []
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parts = nodeid.split(SEP)
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# Replace single last element 'test_foo.py::Bar' with multiple elements 'test_foo.py', 'Bar'
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parts[-1:] = parts[-1].split("::")
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return parts
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def ischildnode(baseid, nodeid):
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"""Return True if the nodeid is a child node of the baseid.
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E.g. 'foo/bar::Baz' is a child of 'foo', 'foo/bar' and 'foo/bar::Baz', but not of 'foo/blorp'
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"""
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base_parts = _splitnode(baseid)
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node_parts = _splitnode(nodeid)
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if len(node_parts) < len(base_parts):
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return False
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return node_parts[: len(base_parts)] == base_parts
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class Node(object):
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""" base class for Collector and Item the test collection tree.
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Collector subclasses have children, Items are terminal nodes."""
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def __init__(
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self, name, parent=None, config=None, session=None, fspath=None, nodeid=None
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):
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#: a unique name within the scope of the parent node
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self.name = name
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#: the parent collector node.
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self.parent = parent
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#: the pytest config object
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self.config = config or parent.config
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#: the session this node is part of
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self.session = session or parent.session
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#: filesystem path where this node was collected from (can be None)
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self.fspath = fspath or getattr(parent, "fspath", None)
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#: keywords/markers collected from all scopes
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self.keywords = NodeKeywords(self)
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#: the marker objects belonging to this node
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self.own_markers = []
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#: allow adding of extra keywords to use for matching
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self.extra_keyword_matches = set()
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# used for storing artificial fixturedefs for direct parametrization
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self._name2pseudofixturedef = {}
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if nodeid is not None:
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assert "::()" not in nodeid
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self._nodeid = nodeid
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else:
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self._nodeid = self.parent.nodeid
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if self.name != "()":
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self._nodeid += "::" + self.name
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@property
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def ihook(self):
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""" fspath sensitive hook proxy used to call pytest hooks"""
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return self.session.gethookproxy(self.fspath)
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def __repr__(self):
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return "<%s %s>" % (self.__class__.__name__, getattr(self, "name", None))
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def warn(self, warning):
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"""Issue a warning for this item.
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Warnings will be displayed after the test session, unless explicitly suppressed
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:param Warning warning: the warning instance to issue. Must be a subclass of PytestWarning.
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:raise ValueError: if ``warning`` instance is not a subclass of PytestWarning.
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Example usage:
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.. code-block:: python
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node.warn(PytestWarning("some message"))
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"""
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from _pytest.warning_types import PytestWarning
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if not isinstance(warning, PytestWarning):
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raise ValueError(
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"warning must be an instance of PytestWarning or subclass, got {!r}".format(
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warning
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)
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)
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path, lineno = get_fslocation_from_item(self)
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warnings.warn_explicit(
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warning,
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category=None,
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filename=str(path),
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lineno=lineno + 1 if lineno is not None else None,
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)
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# methods for ordering nodes
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@property
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def nodeid(self):
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""" a ::-separated string denoting its collection tree address. """
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return self._nodeid
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def __hash__(self):
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return hash(self.nodeid)
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def setup(self):
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pass
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def teardown(self):
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pass
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def listchain(self):
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""" return list of all parent collectors up to self,
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starting from root of collection tree. """
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chain = []
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item = self
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while item is not None:
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chain.append(item)
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item = item.parent
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chain.reverse()
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return chain
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def add_marker(self, marker, append=True):
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"""dynamically add a marker object to the node.
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:type marker: ``str`` or ``pytest.mark.*`` object
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:param marker:
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``append=True`` whether to append the marker,
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if ``False`` insert at position ``0``.
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"""
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from _pytest.mark import MarkDecorator, MARK_GEN
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if isinstance(marker, six.string_types):
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marker = getattr(MARK_GEN, marker)
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elif not isinstance(marker, MarkDecorator):
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raise ValueError("is not a string or pytest.mark.* Marker")
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self.keywords[marker.name] = marker
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if append:
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self.own_markers.append(marker.mark)
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else:
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self.own_markers.insert(0, marker.mark)
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def iter_markers(self, name=None):
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"""
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:param name: if given, filter the results by the name attribute
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iterate over all markers of the node
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"""
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return (x[1] for x in self.iter_markers_with_node(name=name))
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def iter_markers_with_node(self, name=None):
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"""
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:param name: if given, filter the results by the name attribute
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iterate over all markers of the node
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returns sequence of tuples (node, mark)
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"""
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for node in reversed(self.listchain()):
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for mark in node.own_markers:
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if name is None or getattr(mark, "name", None) == name:
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yield node, mark
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def get_closest_marker(self, name, default=None):
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"""return the first marker matching the name, from closest (for example function) to farther level (for example
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module level).
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:param default: fallback return value of no marker was found
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:param name: name to filter by
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"""
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return next(self.iter_markers(name=name), default)
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def listextrakeywords(self):
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""" Return a set of all extra keywords in self and any parents."""
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extra_keywords = set()
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for item in self.listchain():
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extra_keywords.update(item.extra_keyword_matches)
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return extra_keywords
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def listnames(self):
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return [x.name for x in self.listchain()]
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def addfinalizer(self, fin):
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""" register a function to be called when this node is finalized.
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This method can only be called when this node is active
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in a setup chain, for example during self.setup().
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"""
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self.session._setupstate.addfinalizer(fin, self)
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def getparent(self, cls):
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""" get the next parent node (including ourself)
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which is an instance of the given class"""
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current = self
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while current and not isinstance(current, cls):
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current = current.parent
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return current
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def _prunetraceback(self, excinfo):
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pass
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def _repr_failure_py(self, excinfo, style=None):
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if excinfo.errisinstance(fail.Exception):
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if not excinfo.value.pytrace:
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return six.text_type(excinfo.value)
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fm = self.session._fixturemanager
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if excinfo.errisinstance(fm.FixtureLookupError):
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return excinfo.value.formatrepr()
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tbfilter = True
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if self.config.option.fulltrace:
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style = "long"
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else:
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tb = _pytest._code.Traceback([excinfo.traceback[-1]])
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self._prunetraceback(excinfo)
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if len(excinfo.traceback) == 0:
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excinfo.traceback = tb
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tbfilter = False # prunetraceback already does it
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if style == "auto":
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style = "long"
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# XXX should excinfo.getrepr record all data and toterminal() process it?
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if style is None:
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if self.config.option.tbstyle == "short":
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style = "short"
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else:
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style = "long"
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if self.config.option.verbose > 1:
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truncate_locals = False
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else:
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truncate_locals = True
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try:
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os.getcwd()
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abspath = False
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except OSError:
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abspath = True
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return excinfo.getrepr(
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funcargs=True,
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abspath=abspath,
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showlocals=self.config.option.showlocals,
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style=style,
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tbfilter=tbfilter,
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truncate_locals=truncate_locals,
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)
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repr_failure = _repr_failure_py
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def get_fslocation_from_item(item):
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"""Tries to extract the actual location from an item, depending on available attributes:
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* "fslocation": a pair (path, lineno)
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* "obj": a Python object that the item wraps.
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* "fspath": just a path
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:rtype: a tuple of (str|LocalPath, int) with filename and line number.
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"""
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result = getattr(item, "location", None)
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if result is not None:
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return result[:2]
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obj = getattr(item, "obj", None)
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if obj is not None:
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return getfslineno(obj)
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return getattr(item, "fspath", "unknown location"), -1
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class Collector(Node):
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""" Collector instances create children through collect()
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and thus iteratively build a tree.
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"""
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class CollectError(Exception):
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""" an error during collection, contains a custom message. """
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def collect(self):
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""" returns a list of children (items and collectors)
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for this collection node.
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"""
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raise NotImplementedError("abstract")
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def repr_failure(self, excinfo):
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""" represent a collection failure. """
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if excinfo.errisinstance(self.CollectError):
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exc = excinfo.value
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return str(exc.args[0])
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# Respect explicit tbstyle option, but default to "short"
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# (None._repr_failure_py defaults to "long" without "fulltrace" option).
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tbstyle = self.config.getoption("tbstyle")
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if tbstyle == "auto":
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tbstyle = "short"
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return self._repr_failure_py(excinfo, style=tbstyle)
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def _prunetraceback(self, excinfo):
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if hasattr(self, "fspath"):
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traceback = excinfo.traceback
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ntraceback = traceback.cut(path=self.fspath)
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if ntraceback == traceback:
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ntraceback = ntraceback.cut(excludepath=tracebackcutdir)
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excinfo.traceback = ntraceback.filter()
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def _check_initialpaths_for_relpath(session, fspath):
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for initial_path in session._initialpaths:
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if fspath.common(initial_path) == initial_path:
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return fspath.relto(initial_path)
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class FSCollector(Collector):
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def __init__(self, fspath, parent=None, config=None, session=None, nodeid=None):
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fspath = py.path.local(fspath) # xxx only for test_resultlog.py?
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name = fspath.basename
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if parent is not None:
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rel = fspath.relto(parent.fspath)
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if rel:
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name = rel
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name = name.replace(os.sep, SEP)
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self.fspath = fspath
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session = session or parent.session
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if nodeid is None:
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nodeid = self.fspath.relto(session.config.rootdir)
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if not nodeid:
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nodeid = _check_initialpaths_for_relpath(session, fspath)
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if nodeid and os.sep != SEP:
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nodeid = nodeid.replace(os.sep, SEP)
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super(FSCollector, self).__init__(
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name, parent, config, session, nodeid=nodeid, fspath=fspath
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)
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class File(FSCollector):
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""" base class for collecting tests from a file. """
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class Item(Node):
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""" a basic test invocation item. Note that for a single function
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there might be multiple test invocation items.
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"""
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nextitem = None
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def __init__(self, name, parent=None, config=None, session=None, nodeid=None):
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super(Item, self).__init__(name, parent, config, session, nodeid=nodeid)
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self._report_sections = []
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#: user properties is a list of tuples (name, value) that holds user
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#: defined properties for this test.
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self.user_properties = []
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def add_report_section(self, when, key, content):
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"""
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Adds a new report section, similar to what's done internally to add stdout and
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stderr captured output::
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item.add_report_section("call", "stdout", "report section contents")
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:param str when:
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One of the possible capture states, ``"setup"``, ``"call"``, ``"teardown"``.
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:param str key:
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Name of the section, can be customized at will. Pytest uses ``"stdout"`` and
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``"stderr"`` internally.
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:param str content:
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The full contents as a string.
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"""
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if content:
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self._report_sections.append((when, key, content))
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def reportinfo(self):
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return self.fspath, None, ""
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@property
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def location(self):
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try:
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return self._location
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except AttributeError:
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location = self.reportinfo()
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fspath = self.session._node_location_to_relpath(location[0])
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location = (fspath, location[1], str(location[2]))
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self._location = location
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return location
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