113 lines
3.3 KiB
Python
113 lines
3.3 KiB
Python
import py
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from inspect import isclass, ismodule
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from py.__.test.outcome import Skipped, Failed, Passed
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_dummy = object()
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class SetupState(object):
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""" shared state for setting up/tearing down tests. """
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def __init__(self):
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self.stack = []
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def teardown_all(self):
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while self.stack:
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col = self.stack.pop()
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col.teardown()
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def prepare(self, colitem):
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""" setup objects along the collector chain to the test-method
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Teardown any unneccessary previously setup objects.
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"""
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needed_collectors = colitem.listchain()
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while self.stack:
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if self.stack == needed_collectors[:len(self.stack)]:
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break
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col = self.stack.pop()
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col.teardown()
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for col in needed_collectors[len(self.stack):]:
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#print "setting up", col
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col.setup()
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self.stack.append(col)
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class Item(py.test.collect.Collector):
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def startcapture(self):
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if not self._config.option.nocapture:
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self._capture = py.io.StdCaptureFD()
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def finishcapture(self):
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if hasattr(self, '_capture'):
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capture = self._capture
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del self._capture
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self._captured_out, self._captured_err = capture.reset()
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class Function(Item):
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""" a Function Item is responsible for setting up
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and executing a Python callable test object.
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"""
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_state = SetupState()
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def __init__(self, name, parent, args=(), obj=_dummy, sort_value = None):
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super(Function, self).__init__(name, parent)
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self._args = args
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if obj is not _dummy:
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self._obj = obj
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self._sort_value = sort_value
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def __repr__(self):
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return "<%s %r>" %(self.__class__.__name__, self.name)
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def _getpathlineno(self):
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code = py.code.Code(self.obj)
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return code.path, code.firstlineno
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def _getsortvalue(self):
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if self._sort_value is None:
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return self._getpathlineno()
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return self._sort_value
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def run(self):
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""" setup and execute the underlying test function. """
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self._state.prepare(self)
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self.execute(self.obj, *self._args)
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def execute(self, target, *args):
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""" execute the given test function. """
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target(*args)
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def setup(self):
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""" perform setup for this test function. """
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if getattr(self.obj, 'im_self', None):
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name = 'setup_method'
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else:
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name = 'setup_function'
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obj = self.parent.obj
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meth = getattr(obj, name, None)
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if meth is not None:
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return meth(self.obj)
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def teardown(self):
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""" perform teardown for this test function. """
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if getattr(self.obj, 'im_self', None):
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name = 'teardown_method'
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else:
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name = 'teardown_function'
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obj = self.parent.obj
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meth = getattr(obj, name, None)
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if meth is not None:
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return meth(self.obj)
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#
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# triggering specific outcomes while executing Items
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#
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def skip(msg="unknown reason"):
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""" skip with the given Message. """
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__tracebackhide__ = True
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raise Skipped(msg=msg)
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def fail(msg="unknown failure"):
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""" fail with the given Message. """
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__tracebackhide__ = True
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raise Failed(msg=msg)
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