153 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			153 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			Python
		
	
	
	
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""" File defining possible outcomes of running and also
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serialization of outcomes
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"""
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import py, sys
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class Outcome: 
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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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    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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class Passed(Outcome): 
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    pass
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class Failed(Outcome): 
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    pass
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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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class Skipped(Outcome): 
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    pass
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class SerializableOutcome(object):
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    def __init__(self, setupfailure=False, excinfo=None, skipped=None,
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            is_critical=False):
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        self.passed = not excinfo and not skipped
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        self.skipped = skipped 
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        self.setupfailure = setupfailure 
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        self.excinfo = excinfo
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        self.is_critical = is_critical
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        self.signal = 0
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        self.stdout = "" # XXX temporary
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        self.stderr = ""
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        assert bool(self.passed) + bool(excinfo) + bool(skipped) == 1
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    def make_excinfo_repr(self, excinfo, tbstyle):
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        if excinfo is None or isinstance(excinfo, basestring):
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            return excinfo
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        tb_info = [self.traceback_entry_repr(x, tbstyle)
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                   for x in excinfo.traceback]
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        rec_index = excinfo.traceback.recursionindex()
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        if hasattr(excinfo, 'type'):
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            etype = excinfo.type
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            if hasattr(etype, '__name__'):
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                etype = etype.__name__
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        else:
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            etype = excinfo.typename
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        val = getattr(excinfo, 'value', None)
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        if not val:
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            val = excinfo.exconly()
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        val = str(val)
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        return (etype, val, (tb_info, rec_index))
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    def traceback_entry_repr(self, tb_entry, tb_style):
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        lineno = tb_entry.lineno
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        relline = lineno - tb_entry.frame.code.firstlineno
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        path = str(tb_entry.path)
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        #try:
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        try:
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            if tb_style == 'long':
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                source = str(tb_entry.getsource())
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            else:
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                source = str(tb_entry.getsource()).split("\n")[relline]
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        except py.error.ENOENT:
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            source = "[cannot get source]"
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        name = str(tb_entry.frame.code.name)
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        # XXX: Bare except. What can getsource() raise anyway?
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        # SyntaxError, AttributeError, IndentationError for sure, check it
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        #except:
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        #    source = "<could not get source>"
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        return (relline, lineno, source, path, name)
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    def make_repr(self, tbstyle="long"):
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        return (self.passed, self.setupfailure, 
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                self.make_excinfo_repr(self.excinfo, tbstyle),
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                self.make_excinfo_repr(self.skipped, tbstyle),
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                self.is_critical, 0, self.stdout, self.stderr)
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class TracebackEntryRepr(object):
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    def __init__(self, tbentry):
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        relline, lineno, self.source, self.path, self.name = tbentry
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        self.relline = int(relline)
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        self.path = py.path.local(self.path)
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        self.lineno = int(lineno)
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        self.locals = {}
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    def __repr__(self):
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        return "line %s in %s\n  %s" %(self.lineno, self.path, self.source[100:])
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    def getsource(self):
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        return py.code.Source(self.source).strip()
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    def getfirstlinesource(self):
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        return self.lineno - self.relline
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class TracebackRepr(list):
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    def recursionindex(self):
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        return self.recursion_index
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class ExcInfoRepr(object):
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    def __init__(self, excinfo):
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        self.typename, self.value, tb_i = excinfo
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        tb, rec_index = tb_i
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        self.traceback = TracebackRepr([TracebackEntryRepr(x) for x in tb])
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        self.traceback.recursion_index = rec_index
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    def __repr__(self):
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        l = ["%s=%s" %(x, getattr(self, x))
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                for x in "typename value traceback".split()]
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        return "<ExcInfoRepr %s>" %(" ".join(l),)
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    def exconly(self, tryshort=False):
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        """ Somehow crippled version of original one
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        """
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        return "%s: %s" % (self.typename, self.value)
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    def errisinstance(self, exc_t):
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        if not isinstance(exc_t, tuple):
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            exc_t = (exc_t,)
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        for exc in exc_t:
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            if self.typename == str(exc).split('.')[-1]:
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                return True
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        return False
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class ReprOutcome(object):
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    def __init__(self, repr_tuple):
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        (self.passed, self.setupfailure, excinfo, skipped,
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         self.is_critical, self.signal, self.stdout, self.stderr) = repr_tuple
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        self.excinfo = self.unpack(excinfo)
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        self.skipped = self.unpack(skipped)
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    def unpack(self, what):
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        if what is None or isinstance(what, basestring):
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            return what
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        return ExcInfoRepr(what)
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    def __repr__(self):
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        l = ["%s=%s" %(x, getattr(self, x))
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                for x in "signal passed skipped setupfailure excinfo stdout stderr".split()]
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        return "<ReprOutcome %s>" %(" ".join(l),)
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