210 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			210 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			Python
		
	
	
	
| """
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| plugin with support classes and functions for testing pytest functionality 
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| """
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| import py
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| 
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| class PlugintesterPlugin:
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|     """ test support code for testing pytest plugins. """
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|     def pytest_pyfuncarg_plugintester(self, pyfuncitem):
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|         pt = PluginTester(pyfuncitem) 
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|         pyfuncitem.addfinalizer(pt.finalize)
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|         return pt
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| 
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| class Support(object):
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|     def __init__(self, pyfuncitem):
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|         """ instantiated per function that requests it. """
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|         self.pyfuncitem = pyfuncitem
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| 
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|     def getmoditem(self):
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|         for colitem in self.pyfuncitem.listchain():
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|             if isinstance(colitem, colitem.Module):
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|                 return colitem 
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| 
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|     def finalize(self):
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|         """ called after test function finished execution"""
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| 
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| class PluginTester(Support):
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|     def testdir(self):
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|         # XXX import differently, eg. 
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|         #     FSTester = self.pyfuncitem.config.pytestplugins.getpluginattr("pytester", "FSTester")
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|         from pytest_pytester import TmpTestdir
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|         crunner = TmpTestdir(self.pyfuncitem)
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|         # 
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|         for colitem in self.pyfuncitem.listchain():
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|             if isinstance(colitem, py.test.collect.Module) and \
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|                colitem.name.startswith("pytest_"):
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|                     crunner.plugins.append(colitem.fspath.purebasename)
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|                     break 
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|         return crunner 
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| 
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|     def apicheck(self, pluginclass):
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|         print "loading and checking", pluginclass 
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|         fail = False 
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|         pm = py.test._PytestPlugins()
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|         methods = collectattr(pluginclass)
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|         hooks = collectattr(PytestPluginHooks)
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|         getargs = py.std.inspect.getargs
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| 
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|         def isgenerichook(name):
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|             return name.startswith("pytest_pyfuncarg_")
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| 
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|         while methods:
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|             name, method = methods.popitem()
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|             if isgenerichook(name):
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|                 continue
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|             if name not in hooks:
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|                 print "found unknown hook: %s" % name 
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|                 fail = True
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|             else:
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|                 hook = hooks[name]
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|                 if not hasattr(hook, 'func_code'):
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|                     continue # XXX do some checks on attributes as well? 
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|                 method_args = getargs(method.func_code) 
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|                 if '__call__' in method_args[0]:
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|                     method_args[0].remove('__call__')
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|                 hookargs = getargs(hook.func_code)
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|                 for arg, hookarg in zip(method_args[0], hookargs[0]):
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|                     if arg != hookarg: 
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|                         print "argument mismatch:" 
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|                         print "actual  : %s.%s" %(pluginclass.__name__, formatdef(method))
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|                         print "required:", formatdef(hook)
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|                         fail = True
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|                         break 
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|                 if not fail:
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|                     print "matching hook:", formatdef(method)
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|         if fail:
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|             py.test.fail("Plugin API error")
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| 
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| def collectattr(obj, prefixes=("pytest_", "pyevent_")):
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|     methods = {}
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|     for apiname in vars(obj): 
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|         for prefix in prefixes:
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|             if apiname.startswith(prefix):
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|                 methods[apiname] = getattr(obj, apiname) 
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|     return methods 
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| 
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| def formatdef(func):
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|     formatargspec = py.std.inspect.formatargspec
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|     getargspec = py.std.inspect.formatargspec
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|     return "%s%s" %(
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|         func.func_name, 
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|         py.std.inspect.formatargspec(*py.std.inspect.getargspec(func))
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|     )
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| 
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| 
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| class PytestPluginHooks:
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|     def __init__(self):
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|         """ usually called only once per test process. """ 
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| 
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|     def pytest_addoption(self, parser):
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|         """ called before commandline parsing.  """
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| 
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|     def pytest_configure(self, config):
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|         """ called after command line options have been parsed. 
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|             and all plugins and initial conftest files been loaded. 
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|             ``config`` provides access to all such configuration values. 
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|         """
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|     def pytest_unconfigure(self, config):
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|         """ called before test process is exited. 
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|         """
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| 
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|     def pytest_event(self, event):
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|         """ called for each internal py.test event.  """
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| 
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|     #def pytest_pyfuncarg_NAME(self, pyfuncitem, argname):
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|     #    """ provide (value, finalizer) for an open test function argument. 
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|     #
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|     #            the finalizer (if not None) will be called after the test 
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|     #            function has been executed (i.e. pyfuncitem.execute() returns). 
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|     #    """ 
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| 
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|     def pytest_pyfunc_call(self, pyfuncitem, args, kwargs):
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|         """ return True if we consumed/did the call to the python function item. """
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| 
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|     def pytest_item_makereport(self, item, excinfo, when, outerr):
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|         """ return ItemTestReport event for the given test outcome. """
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| 
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|     # collection hooks
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|     def pytest_collect_file(self, path, parent):
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|         """ return Collection node or None. """
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| 
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|     def pytest_collect_recurse(self, path, parent):
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|         """ return True/False to cause/prevent recursion into given directory. 
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|             return None if you do not want to make the decision. 
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|         """ 
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| 
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|     def pytest_collect_directory(self, path, parent):
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|         """ return Collection node or None. """
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| 
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|     def pytest_pymodule_makeitem(self, modcol, name, obj):
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|         """ return custom item/collector for a python object in a module, or None.  """
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| 
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| 
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|     # from pytest_terminal plugin
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|     def pytest_report_teststatus(self, event):
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|         """ return shortletter and verbose word. """
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| 
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|     # from pytest_terminal plugin
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|     def pytest_report_teststatus(self, event):
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|         """ return shortletter and verbose word. """
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| 
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|     def pytest_terminal_summary(self, terminalreporter):
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|         """ add additional section in terminal summary reporting. """
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| 
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|     # events
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|     def pyevent(self, eventname, *args, **kwargs):
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|         """ called for each testing event. """
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| 
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|     def pyevent_trace(self, category, msg):
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|         """ called for tracing events events. """
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| 
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|     def pyevent_internalerror(self, event):
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|         """ called for internal errors. """
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| 
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|     def pyevent_itemstart(self, event):
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|         """ test item gets collected. """
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| 
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|     def pyevent_itemtestreport(self, event):
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|         """ test has been run. """
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| 
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|     def pyevent_deselected(self, event):
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|         """ item has been dselected. """
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| 
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|     def pyevent_collectionstart(self, event):
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|         """ collector starts collecting. """
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| 
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|     def pyevent_collectionreport(self, event):
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|         """ collector finished collecting. """
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| 
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|     def pyevent_testrunstart(self, event):
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|         """ whole test run starts. """
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| 
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|     def pyevent_testrunfinish(self, event):
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|         """ whole test run starts. """
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| 
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|     def pyevent_hostup(self, event):
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|         """ Host is up. """
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| 
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|     def pyevent_hostgatewayready(self, event):
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|         """ Connection to Host is ready. """
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| 
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|     def pyevent_hostdown(self, event):
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|         """ Host is down. """
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| 
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|     def pyevent_rescheduleitems(self, event):
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|         """ Items from a host that went down. """
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| 
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|     def pyevent_looponfailinginfo(self, event):
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|         """ info for repeating failing tests. """
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| 
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|     def pyevent_plugin_registered(self, plugin):
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|         """ a new py lib plugin got registered. """
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|         
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|    
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| # ===============================================================================
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| # plugin tests 
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| # ===============================================================================
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| 
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| def test_generic(plugintester):
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|     plugintester.apicheck(PlugintesterPlugin)
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