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67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
"""
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Map exceptions to test outcomes.
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This plugin implements :func:`setTestOutcome` to enable simple mapping
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of exception classes to existing test outcomes.
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By setting a list of exception classes in a nose2 config file, you can
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configure exceptions that would otherwise be treated as test errors,
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to be treated as failures or skips instead:
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.. code-block :: ini
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[outcomes]
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always-on = True
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treat-as-fail = NotImplementedError
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treat-as-skip = TodoError
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IOError
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"""
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from nose2.events import Plugin
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__unittest = True
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class Outcomes(Plugin):
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"""Map exceptions to other test outcomes"""
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configSection = 'outcomes'
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commandLineSwitch = (None, 'set-outcomes',
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'Treat some configured exceptions as failure or skips')
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def __init__(self):
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self.treatAsFail = set(self.config.as_list('treat-as-fail', []))
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self.treatAsSkip = set(self.config.as_list('treat-as-skip', []))
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def setTestOutcome(self, event):
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"""Update outcome, exc_info and reason based on configured mappings"""
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if event.exc_info:
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ec, ev, tb = event.exc_info
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classname = ec.__name__
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if classname in self.treatAsFail:
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short, long_ = self.labels(classname)
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self._setOutcome(event, 'failed', short, long_)
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elif classname in self.treatAsSkip:
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short, long_ = self.labels(classname, upper=False)
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self._setOutcome(
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event, 'skipped', short, "%s: '%s'" % (long_, ev), str(ev))
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def labels(self, label, upper=True):
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if upper:
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label = label.upper()
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else:
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label = label.lower()
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short = label[0]
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return short, label
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def _setOutcome(self, event, outcome, shortLabel, longLabel, reason=None):
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event.outcome = outcome
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event.shortLabel = shortLabel
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event.longLabel = longLabel
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if reason:
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event.exc_info = None
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event.reason = reason
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