460 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			460 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
| """
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| funcargs and support code for testing py.test's own functionality. 
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| """
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| 
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| import py
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| import sys, os
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| import inspect
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| from py.impl.test.config import Config as pytestConfig
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| from py.plugin import hookspec
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| from py.builtin import print_
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| 
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| pytest_plugins = '_pytest'
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| 
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| def pytest_funcarg__linecomp(request):
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|     return LineComp()
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| 
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| def pytest_funcarg__LineMatcher(request):
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|     return LineMatcher
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| 
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| def pytest_funcarg__testdir(request):
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|     tmptestdir = TmpTestdir(request)
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|     return tmptestdir
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| 
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| def pytest_funcarg__reportrecorder(request):
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|     reprec = ReportRecorder(py._com.comregistry)
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|     request.addfinalizer(lambda: reprec.comregistry.unregister(reprec))
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|     return reprec
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| 
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| class RunResult:
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|     def __init__(self, ret, outlines, errlines):
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|         self.ret = ret
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|         self.outlines = outlines
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|         self.errlines = errlines
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|         self.stdout = LineMatcher(outlines)
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|         self.stderr = LineMatcher(errlines)
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| 
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| class TmpTestdir:
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|     def __init__(self, request):
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|         self.request = request
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|         self._pytest = request.getfuncargvalue("_pytest")
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|         # XXX remove duplication with tmpdir plugin 
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|         basetmp = request.config.ensuretemp("testdir")
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|         name = request.function.__name__
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|         for i in range(100):
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|             try:
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|                 tmpdir = basetmp.mkdir(name + str(i))
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|             except py.error.EEXIST:
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|                 continue
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|             break
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|         # we need to create another subdir
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|         # because Directory.collect() currently loads
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|         # conftest.py from sibling directories
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|         self.tmpdir = tmpdir.mkdir(name)
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|         self.plugins = []
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|         self._syspathremove = []
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|         self.chdir() # always chdir
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|         assert hasattr(self, '_olddir')
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|         self.request.addfinalizer(self.finalize)
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| 
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|     def __repr__(self):
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|         return "<TmpTestdir %r>" % (self.tmpdir,)
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| 
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|     def Config(self, comregistry=None, topdir=None):
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|         if topdir is None:
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|             topdir = self.tmpdir.dirpath()
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|         return pytestConfig(comregistry, topdir=topdir)
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| 
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|     def finalize(self):
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|         for p in self._syspathremove:
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|             py.std.sys.path.remove(p)
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|         if hasattr(self, '_olddir'):
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|             self._olddir.chdir()
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|         # delete modules that have been loaded from tmpdir
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|         for name, mod in list(sys.modules.items()):
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|             if mod:
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|                 fn = getattr(mod, '__file__', None)
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|                 if fn and fn.startswith(str(self.tmpdir)):
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|                     del sys.modules[name]
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| 
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|     def getreportrecorder(self, obj):
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|         if isinstance(obj, py._com.Registry):
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|             registry = obj
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|         elif hasattr(obj, 'comregistry'):
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|             registry = obj.comregistry
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|         elif hasattr(obj, 'pluginmanager'):
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|             registry = obj.pluginmanager.comregistry
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|         elif hasattr(obj, 'config'):
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|             registry = obj.config.pluginmanager.comregistry
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|         else:
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|             raise ValueError("obj %r provides no comregistry" %(obj,))
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|         assert isinstance(registry, py._com.Registry)
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|         reprec = ReportRecorder(registry)
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|         reprec.hookrecorder = self._pytest.gethookrecorder(hookspec, registry)
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|         reprec.hook = reprec.hookrecorder.hook
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|         return reprec
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| 
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|     def chdir(self):
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|         old = self.tmpdir.chdir()
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|         if not hasattr(self, '_olddir'):
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|             self._olddir = old 
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| 
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|     def _makefile(self, ext, args, kwargs):
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|         items = list(kwargs.items())
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|         if args:
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|             source = "\n".join(map(str, args))
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|             basename = self.request.function.__name__
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|             items.insert(0, (basename, source))
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|         ret = None
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|         for name, value in items:
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|             p = self.tmpdir.join(name).new(ext=ext)
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|             source = py.code.Source(value)
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|             p.write(str(py.code.Source(value)).lstrip())
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|             if ret is None:
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|                 ret = p
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|         return ret 
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| 
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| 
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|     def makefile(self, ext, *args, **kwargs):
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|         return self._makefile(ext, args, kwargs)
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| 
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|     def makeconftest(self, source):
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|         return self.makepyfile(conftest=source)
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| 
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|     def makepyfile(self, *args, **kwargs):
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|         return self._makefile('.py', args, kwargs)
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| 
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|     def maketxtfile(self, *args, **kwargs):
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|         return self._makefile('.txt', args, kwargs)
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| 
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|     def syspathinsert(self, path=None):
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|         if path is None:
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|             path = self.tmpdir
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|         py.std.sys.path.insert(0, str(path))
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|         self._syspathremove.append(str(path))
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|             
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|     def mkdir(self, name):
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|         return self.tmpdir.mkdir(name)
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| 
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|     def mkpydir(self, name):
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|         p = self.mkdir(name)
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|         p.ensure("__init__.py")
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|         return p
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| 
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|     def genitems(self, colitems):
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|         return list(self.session.genitems(colitems))
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| 
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|     def inline_genitems(self, *args):
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|         #config = self.parseconfig(*args)
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|         config = self.parseconfig(*args)
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|         session = config.initsession()
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|         rec = self.getreportrecorder(config)
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|         colitems = [config.getfsnode(arg) for arg in config.args]
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|         items = list(session.genitems(colitems))
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|         return items, rec 
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| 
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|     def runitem(self, source):
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|         # used from runner functional tests 
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|         item = self.getitem(source)
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|         # the test class where we are called from wants to provide the runner 
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|         testclassinstance = py.builtin._getimself(self.request.function)
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|         runner = testclassinstance.getrunner()
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|         return runner(item)
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| 
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|     def inline_runsource(self, source, *cmdlineargs):
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|         p = self.makepyfile(source)
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|         l = list(cmdlineargs) + [p]
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|         return self.inline_run(*l)
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| 
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|     def inline_runsource1(self, *args):
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|         args = list(args)
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|         source = args.pop()
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|         p = self.makepyfile(source)
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|         l = list(args) + [p]
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|         reprec = self.inline_run(*l)
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|         reports = reprec.getreports("pytest_runtest_logreport")
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|         assert len(reports) == 1, reports 
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|         return reports[0]
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| 
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|     def inline_run(self, *args):
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|         config = self.parseconfig(*args)
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|         config.pluginmanager.do_configure(config)
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|         session = config.initsession()
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|         reprec = self.getreportrecorder(config)
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|         session.main()
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|         config.pluginmanager.do_unconfigure(config)
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|         return reprec 
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| 
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|     def config_preparse(self):
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|         config = self.Config()
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|         for plugin in self.plugins:
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|             if isinstance(plugin, str):
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|                 config.pluginmanager.import_plugin(plugin)
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|             else:
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|                 if isinstance(plugin, dict):
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|                     plugin = PseudoPlugin(plugin) 
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|                 if not config.pluginmanager.isregistered(plugin):
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|                     config.pluginmanager.register(plugin)
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|         return config
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| 
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|     def parseconfig(self, *args):
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|         if not args:
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|             args = (self.tmpdir,)
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|         config = self.config_preparse()
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|         args = list(args) + ["--basetemp=%s" % self.tmpdir.dirpath('basetemp')]
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|         config.parse(args)
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|         return config 
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| 
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|     def parseconfigure(self, *args):
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|         config = self.parseconfig(*args)
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|         config.pluginmanager.do_configure(config)
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|         return config
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| 
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|     def getitem(self,  source, funcname="test_func"):
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|         modcol = self.getmodulecol(source)
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|         moditems = modcol.collect()
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|         for item in modcol.collect():
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|             if item.name == funcname:
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|                 return item 
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|         else:
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|             assert 0, "%r item not found in module:\n%s" %(funcname, source)
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| 
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|     def getitems(self,  source):
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|         modcol = self.getmodulecol(source)
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|         return list(modcol.config.initsession().genitems([modcol]))
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|         #assert item is not None, "%r item not found in module:\n%s" %(funcname, source)
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|         #return item 
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| 
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|     def getfscol(self,  path, configargs=()):
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|         self.config = self.parseconfig(path, *configargs)
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|         self.session = self.config.initsession()
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|         return self.config.getfsnode(path)
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| 
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|     def getmodulecol(self,  source, configargs=(), withinit=False):
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|         kw = {self.request.function.__name__: py.code.Source(source).strip()}
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|         path = self.makepyfile(**kw)
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|         if withinit:
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|             self.makepyfile(__init__ = "#")
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|         self.config = self.parseconfig(path, *configargs)
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|         self.session = self.config.initsession()
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|         #self.config.pluginmanager.do_configure(config=self.config)
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|         # XXX 
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|         self.config.pluginmanager.import_plugin("runner") 
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|         plugin = self.config.pluginmanager.getplugin("runner") 
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|         plugin.pytest_configure(config=self.config)
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| 
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|         return self.config.getfsnode(path)
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| 
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|     def prepare(self):
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|         p = self.tmpdir.join("conftest.py") 
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|         if not p.check():
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|             plugins = [x for x in self.plugins if isinstance(x, str)]
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|             if not plugins:
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|                 return
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|             p.write("import py ; pytest_plugins = %r" % plugins)
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|         else:
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|             if self.plugins:
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|                 print ("warning, ignoring reusing existing %s" % p)
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| 
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|     def popen(self, cmdargs, stdout, stderr, **kw):
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|         if not hasattr(py.std, 'subprocess'):
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|             py.test.skip("no subprocess module")
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|         env = os.environ.copy()
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|         env['PYTHONPATH'] = ":".join(filter(None, [
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|             str(os.getcwd()), env.get('PYTHONPATH', '')]))
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|         kw['env'] = env
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|         #print "env", env
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|         return py.std.subprocess.Popen(cmdargs, stdout=stdout, stderr=stderr, **kw)
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| 
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|     def run(self, *cmdargs):
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|         self.prepare()
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|         old = self.tmpdir.chdir()
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|         #print "chdir", self.tmpdir
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|         try:
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|             return self._run(*cmdargs)
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|         finally:
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|             old.chdir()
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| 
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|     def _run(self, *cmdargs):
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|         cmdargs = [str(x) for x in cmdargs]
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|         p1 = py.path.local("stdout")
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|         p2 = py.path.local("stderr")
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|         print_("running", cmdargs, "curdir=", py.path.local())
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|         f1 = p1.open("w")
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|         f2 = p2.open("w")
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|         popen = self.popen(cmdargs, stdout=f1, stderr=f2, 
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|             close_fds=(sys.platform != "win32"))
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|         ret = popen.wait()
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|         f1.close()
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|         f2.close()
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|         out, err = p1.readlines(cr=0), p2.readlines(cr=0)
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|         if err:
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|             for line in err: 
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|                 py.builtin.print_(line, file=sys.stderr)
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|         if out:
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|             for line in out: 
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|                 py.builtin.print_(line, file=sys.stdout)
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|         return RunResult(ret, out, err)
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| 
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|     def runpybin(self, scriptname, *args):
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|         fullargs = self._getpybinargs(scriptname) + args
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|         return self.run(*fullargs)
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| 
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|     def _getpybinargs(self, scriptname):
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|         bindir = py._dir.dirpath('bin')
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|         if not bindir.check():
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|             script = py.path.local.sysfind(scriptname)
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|         else:
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|             script = bindir.join(scriptname)
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|         assert script.check()
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|         return py.std.sys.executable, script
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| 
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|     def runpython(self, script):
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|         return self.run(py.std.sys.executable, script)
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| 
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|     def runpytest(self, *args):
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|         p = py.path.local.make_numbered_dir(prefix="runpytest-", 
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|             keep=None, rootdir=self.tmpdir)
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|         args = ('--basetemp=%s' % p, ) + args 
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|         return self.runpybin("py.test", *args)
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| 
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|     def spawn_pytest(self, string, expect_timeout=10.0):
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|         pexpect = py.test.importorskip("pexpect", "2.4")
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|         basetemp = self.tmpdir.mkdir("pexpect")
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|         invoke = "%s %s" % self._getpybinargs("py.test")
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|         cmd = "%s --basetemp=%s %s" % (invoke, basetemp, string)
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|         child = pexpect.spawn(cmd, logfile=basetemp.join("spawn.out").open("w"))
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|         child.timeout = expect_timeout
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|         return child
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| 
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| class PseudoPlugin:
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|     def __init__(self, vars):
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|         self.__dict__.update(vars) 
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| 
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| class ReportRecorder(object):
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|     def __init__(self, comregistry):
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|         self.comregistry = comregistry
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|         comregistry.register(self)
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| 
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|     def getcall(self, name):
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|         return self.hookrecorder.getcall(name)
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| 
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|     def popcall(self, name):
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|         return self.hookrecorder.popcall(name)
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| 
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|     def getcalls(self, names):
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|         """ return list of ParsedCall instances matching the given eventname. """
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|         return self.hookrecorder.getcalls(names)
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| 
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|     # functionality for test reports 
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| 
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|     def getreports(self, names="pytest_runtest_logreport pytest_collectreport"):
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|         return [x.report for x in self.getcalls(names)]
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| 
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|     def matchreport(self, inamepart="", names="pytest_runtest_logreport pytest_collectreport"):
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|         """ return a testreport whose dotted import path matches """
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|         l = []
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|         for rep in self.getreports(names=names):
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|             colitem = rep.getnode()
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|             if not inamepart or inamepart in colitem.listnames():
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|                 l.append(rep)
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|         if not l:
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|             raise ValueError("could not find test report matching %r: no test reports at all!" %
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|                 (inamepart,))
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|         if len(l) > 1:
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|             raise ValueError("found more than one testreport matching %r: %s" %(
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|                              inamepart, l))
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|         return l[0]
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| 
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|     def getfailures(self, names='pytest_runtest_logreport pytest_collectreport'):
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|         return [rep for rep in self.getreports(names) if rep.failed]
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| 
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|     def getfailedcollections(self):
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|         return self.getfailures('pytest_collectreport')
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| 
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|     def listoutcomes(self):
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|         passed = []
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|         skipped = []
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|         failed = []
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|         for rep in self.getreports("pytest_runtest_logreport"):
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|             if rep.passed: 
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|                 if rep.when == "call": 
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|                     passed.append(rep) 
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|             elif rep.skipped: 
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|                 skipped.append(rep) 
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|             elif rep.failed:
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|                 failed.append(rep) 
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|         return passed, skipped, failed 
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| 
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|     def countoutcomes(self):
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|         return [len(x) for x in self.listoutcomes()]
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| 
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|     def assertoutcome(self, passed=0, skipped=0, failed=0):
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|         realpassed, realskipped, realfailed = self.listoutcomes()
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|         assert passed == len(realpassed)
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|         assert skipped == len(realskipped)
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|         assert failed == len(realfailed)
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| 
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|     def clear(self):
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|         self.hookrecorder.calls[:] = []
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| 
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|     def unregister(self):
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|         self.comregistry.unregister(self)
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|         self.hookrecorder.finish_recording()
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| 
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| class LineComp:
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|     def __init__(self):
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|         self.stringio = py.io.TextIO()
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| 
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|     def assert_contains_lines(self, lines2):
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|         """ assert that lines2 are contained (linearly) in lines1. 
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|             return a list of extralines found.
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|         """
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|         __tracebackhide__ = True
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|         val = self.stringio.getvalue()
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|         self.stringio.truncate(0)  # remove what we got 
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|         lines1 = val.split("\n")
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|         return LineMatcher(lines1).fnmatch_lines(lines2)
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|             
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| class LineMatcher:
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|     def __init__(self,  lines):
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|         self.lines = lines
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| 
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|     def str(self):
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|         return "\n".join(self.lines)
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| 
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|     def fnmatch_lines(self, lines2):
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|         if isinstance(lines2, str):
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|             lines2 = py.code.Source(lines2)
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|         if isinstance(lines2, py.code.Source):
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|             lines2 = lines2.strip().lines
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| 
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|         from fnmatch import fnmatch
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|         __tracebackhide__ = True
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|         lines1 = self.lines[:]
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|         nextline = None
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|         extralines = []
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|         for line in lines2:
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|             nomatchprinted = False
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|             while lines1:
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|                 nextline = lines1.pop(0)
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|                 if line == nextline:
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|                     print_("exact match:", repr(line))
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|                     break 
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|                 elif fnmatch(nextline, line):
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|                     print_("fnmatch:", repr(line))
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|                     print_("   with:", repr(nextline))
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|                     break
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|                 else:
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|                     if not nomatchprinted:
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|                         print_("nomatch:", repr(line))
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|                         nomatchprinted = True
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|                     print_("    and:", repr(nextline))
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|                 extralines.append(nextline)
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|             else:
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|                 if line != nextline:
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|                     #__tracebackhide__ = True
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|                     raise AssertionError("expected line not found: %r" % line)
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|         extralines.extend(lines1)
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|         return extralines 
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