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"""
This plugin implements :func:`startTestRun`, which excludes all test objects
that define a ``__test__`` attribute with a truth value of False.
"""
from unittest import TestSuite
from nose2 import events
__unittest = True
class DunderTestFilter(events.Plugin):
"""
Exclude all tests defining a ``__test__`` attribute with a truth value of
False.
"""
alwaysOn = True
def startTestRun(self, event):
"""
Recurse :attr:`event.suite` and remove all test suites and test cases
that define a ``__test__`` attribute with a truth value of False.
"""
self.removeNonTests(event.suite)
def removeNonTests(self, suite):
for test in list(suite):
if not getattr(test, '__test__', True):
suite._tests.remove(test)
elif isinstance(test, TestSuite):
self.removeNonTests(test)
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