121 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
| """
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|     Test OutcomeExceptions and helpers for creating them. 
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|     py.test.skip|fail|raises helper implementations 
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| 
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| """
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| 
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| import py
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| import sys
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| 
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| class OutcomeException(Exception): 
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|     """ OutcomeException and its subclass instances indicate and 
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|         contain info about test and collection outcomes. 
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|     """ 
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|     def __init__(self, msg=None, excinfo=None): 
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|         self.msg = msg 
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|         self.excinfo = excinfo
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| 
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|     def __repr__(self):
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|         if self.msg: 
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|             return repr(self.msg) 
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|         return "<%s instance>" %(self.__class__.__name__,)
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|     __str__ = __repr__
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| 
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| class Passed(OutcomeException): 
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|     pass
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| 
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| class Skipped(OutcomeException): 
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|     pass
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| 
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| class Failed(OutcomeException): 
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|     pass
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| 
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| class ExceptionFailure(Failed): 
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|     def __init__(self, expr, expected, msg=None, excinfo=None): 
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|         Failed.__init__(self, msg=msg, excinfo=excinfo) 
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|         self.expr = expr 
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|         self.expected = expected
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| 
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| class Exit(KeyboardInterrupt):
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|     """ for immediate program exits without tracebacks and reporter/summary. """
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|     def __init__(self, msg="unknown reason"):
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|         self.msg = msg 
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|         KeyboardInterrupt.__init__(self, msg)
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| 
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| # exposed helper methods 
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| 
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| def exit(msg): 
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|     """ exit testing process immediately. """ 
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|     __tracebackhide__ = True
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|     raise Exit(msg)
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| 
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| def skip(msg=""):
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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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| 
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| def importorskip(modname, minversion=None):
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|     """ return imported module or skip() """
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|     compile(modname, '', 'eval') # to catch syntaxerrors
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|     try:
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|         mod = __import__(modname)
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|     except ImportError:
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|         py.test.skip("could not import %r" %(modname,))
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|     if minversion is None:
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|         return mod
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|     verattr = getattr(mod, '__version__', None)
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|     if isinstance(minversion, str):
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|         minver = minversion.split(".")
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|     else:
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|         minver = list(minversion)
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|     if verattr is None or verattr.split(".") < minver:
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|         py.test.skip("module %r has __version__ %r, required is: %r" %(
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|                      modname, verattr, minversion))
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|     return mod
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| 
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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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| 
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| def raises(ExpectedException, *args, **kwargs):
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|     """ raise AssertionError, if target code does not raise the expected
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|         exception.
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|     """
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|     __tracebackhide__ = True 
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|     assert args
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|     if isinstance(args[0], str):
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|         code, = args
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|         assert isinstance(code, str)
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|         frame = sys._getframe(1)
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|         loc = frame.f_locals.copy()
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|         loc.update(kwargs)
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|         #print "raises frame scope: %r" % frame.f_locals
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|         try:
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|             code = py.code.Source(code).compile()
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|             py.builtin.exec_(code, frame.f_globals, loc)
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|             # XXX didn'T mean f_globals == f_locals something special?
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|             #     this is destroyed here ...
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|         except ExpectedException:
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|             return py.code.ExceptionInfo()
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|     else:
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|         func = args[0]
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|         try:
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|             func(*args[1:], **kwargs)
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|         except ExpectedException:
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|             return py.code.ExceptionInfo()
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|         k = ", ".join(["%s=%r" % x for x in kwargs.items()])
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|         if k:
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|             k = ', ' + k
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|         expr = '%s(%r%s)' %(func.__name__, args, k)
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|     raise ExceptionFailure(msg="DID NOT RAISE", 
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|                            expr=args, expected=ExpectedException) 
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| 
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| 
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| # exitcodes for the command line
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| EXIT_OK = 0
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| EXIT_TESTSFAILED = 1
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| EXIT_INTERRUPTED = 2
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| EXIT_INTERNALERROR = 3
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| EXIT_NOHOSTS = 4
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