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How to use _dump_function_call method in autotest

Best Python code snippet using autotest_python
mock.py
Source:mock.py
...108            if key not in dargs:109                return False110        return True111    def __str__(self):112        return _dump_function_call(self.symbol, self.args, self.dargs)113class function_mapping(base_mapping):114    def __init__(self, symbol, return_val, *args, **dargs):115        super(function_mapping, self).__init__(symbol, return_val, *args,116                                               **dargs)117    def and_return(self, return_obj):118        self.return_obj = return_obj119    def and_raises(self, error):120        self.error = error121class function_any_args_mapping(function_mapping):122    """A mock function mapping that doesn't verify its arguments."""123    def match(self, *args, **dargs):124        return True125class mock_function(object):126    def __init__(self, symbol, default_return_val=None,127                 record=None, playback=None):128        self.default_return_val = default_return_val129        self.num_calls = 0130        self.args = []131        self.dargs = []132        self.symbol = symbol133        self.record = record134        self.playback = playback135        self.__name__ = symbol136    def __call__(self, *args, **dargs):137        self.num_calls += 1138        self.args.append(args)139        self.dargs.append(dargs)140        if self.playback:141            return self.playback(self.symbol, *args, **dargs)142        else:143            return self.default_return_val144    def expect_call(self, *args, **dargs):145        mapping = function_mapping(self.symbol, None, *args, **dargs)146        if self.record:147            self.record(mapping)148        return mapping149    def expect_any_call(self):150        """Like expect_call but don't give a hoot what arguments are passed."""151        mapping = function_any_args_mapping(self.symbol, None)152        if self.record:153            self.record(mapping)154        return mapping155class mask_function(mock_function):156    def __init__(self, symbol, original_function, default_return_val=None,157                 record=None, playback=None):158        super(mask_function, self).__init__(symbol,159                                            default_return_val,160                                            record, playback)161        self.original_function = original_function162    def run_original_function(self, *args, **dargs):163        return self.original_function(*args, **dargs)164class mock_class(object):165    def __init__(self, cls, name, default_ret_val=None,166                 record=None, playback=None):167        self.__name = name168        self.__record = record169        self.__playback = playback170        for symbol in dir(cls):171            if symbol.startswith("_"):172                continue173            orig_symbol = getattr(cls, symbol)174            if callable(orig_symbol):175                f_name = "%s.%s" % (self.__name, symbol)176                func = mock_function(f_name, default_ret_val,177                                     self.__record, self.__playback)178                setattr(self, symbol, func)179            else:180                setattr(self, symbol, orig_symbol)181    def __repr__(self):182        return '<mock_class: %s>' % self.__name183class mock_god(object):184    NONEXISTENT_ATTRIBUTE = object()185    def __init__(self, debug=False, fail_fast=True, ut=None):186        """187        With debug=True, all recorded method calls will be printed as188        they happen.189        With fail_fast=True, unexpected calls will immediately cause an190        exception to be raised.  With False, they will be silently recorded and191        only reported when check_playback() is called.192        """193        self.recording = collections.deque()194        self.errors = []195        self._stubs = []196        self._debug = debug197        self._fail_fast = fail_fast198        self._ut = ut199    def set_fail_fast(self, fail_fast):200        self._fail_fast = fail_fast201    def create_mock_class_obj(self, cls, name, default_ret_val=None):202        record = self.__record_call203        playback = self.__method_playback204        errors = self.errors205        class cls_sub(cls):206            cls_count = 0207            # overwrite the initializer208            def __init__(self, *args, **dargs):209                pass210            @classmethod211            def expect_new(typ, *args, **dargs):212                obj = typ.make_new(*args, **dargs)213                mapping = base_mapping(name, obj, *args, **dargs)214                record(mapping)215                return obj216            def __new__(typ, *args, **dargs):217                return playback(name, *args, **dargs)218            @classmethod219            def make_new(typ, *args, **dargs):220                obj = super(cls_sub, typ).__new__(typ, *args,221                                                  **dargs)222                typ.cls_count += 1223                obj_name = "%s_%s" % (name, typ.cls_count)224                for symbol in dir(obj):225                    if (symbol.startswith("__") and226                        symbol.endswith("__")):227                        continue228                    if isinstance(getattr(typ, symbol, None), property):229                        continue230                    orig_symbol = getattr(obj, symbol)231                    if callable(orig_symbol):232                        f_name = ("%s.%s" %233                                  (obj_name, symbol))234                        func = mock_function(f_name,235                                        default_ret_val,236                                        record,237                                        playback)238                        setattr(obj, symbol, func)239                    else:240                        setattr(obj, symbol,241                                orig_symbol)242                return obj243        return cls_sub244    def create_mock_class(self, cls, name, default_ret_val=None):245        """246        Given something that defines a namespace cls (class, object,247        module), and a (hopefully unique) name, will create a248        mock_class object with that name and that possessess all249        the public attributes of cls.  default_ret_val sets the250        default_ret_val on all methods of the cls mock.251        """252        return mock_class(cls, name, default_ret_val,253                          self.__record_call, self.__method_playback)254    def create_mock_function(self, symbol, default_return_val=None):255        """256        create a mock_function with name symbol and default return257        value of default_ret_val.258        """259        return mock_function(symbol, default_return_val,260                             self.__record_call, self.__method_playback)261    def mock_up(self, obj, name, default_ret_val=None):262        """263        Given an object (class instance or module) and a registration264        name, then replace all its methods with mock function objects265        (passing the orignal functions to the mock functions).266        """267        for symbol in dir(obj):268            if symbol.startswith("__"):269                continue270            orig_symbol = getattr(obj, symbol)271            if callable(orig_symbol):272                f_name = "%s.%s" % (name, symbol)273                func = mask_function(f_name, orig_symbol,274                                     default_ret_val,275                                     self.__record_call,276                                     self.__method_playback)277                setattr(obj, symbol, func)278    def stub_with(self, namespace, symbol, new_attribute):279        original_attribute = getattr(namespace, symbol,280                                     self.NONEXISTENT_ATTRIBUTE)281        # You only want to save the original attribute in cases where it is282        # directly associated with the object in question. In cases where283        # the attribute is actually inherited via some sort of hierarchy284        # you want to delete the stub (restoring the original structure)285        attribute_is_inherited = (hasattr(namespace, '__dict__') and286                                  symbol not in namespace.__dict__)287        if attribute_is_inherited:288            original_attribute = self.NONEXISTENT_ATTRIBUTE289        newstub = (namespace, symbol, original_attribute, new_attribute)290        self._stubs.append(newstub)291        setattr(namespace, symbol, new_attribute)292    def stub_function(self, namespace, symbol):293        mock_attribute = self.create_mock_function(symbol)294        self.stub_with(namespace, symbol, mock_attribute)295    def stub_class_method(self, cls, symbol):296        mock_attribute = self.create_mock_function(symbol)297        self.stub_with(cls, symbol, staticmethod(mock_attribute))298    def stub_class(self, namespace, symbol):299        attr = getattr(namespace, symbol)300        mock_class = self.create_mock_class_obj(attr, symbol)301        self.stub_with(namespace, symbol, mock_class)302    def stub_function_to_return(self, namespace, symbol, object_to_return):303        """Stub out a function with one that always returns a fixed value.304        @param namespace The namespace containing the function to stub out.305        @param symbol The attribute within the namespace to stub out.306        @param object_to_return The value that the stub should return whenever307            it is called.308        """309        self.stub_with(namespace, symbol,310                       lambda *args, **dargs: object_to_return)311    def _perform_unstub(self, stub):312        namespace, symbol, orig_attr, new_attr = stub313        if orig_attr == self.NONEXISTENT_ATTRIBUTE:314            delattr(namespace, symbol)315        else:316            setattr(namespace, symbol, orig_attr)317    def unstub(self, namespace, symbol):318        for stub in reversed(self._stubs):319            if (namespace, symbol) == (stub[0], stub[1]):320                self._perform_unstub(stub)321                self._stubs.remove(stub)322                return323        raise StubNotFoundError()324    def unstub_all(self):325        self._stubs.reverse()326        for stub in self._stubs:327            self._perform_unstub(stub)328        self._stubs = []329    def __method_playback(self, symbol, *args, **dargs):330        if self._debug:331            print >> sys.__stdout__, (' * Mock call: ' +332                                      _dump_function_call(symbol, args, dargs))333        if len(self.recording) != 0:334            func_call = self.recording[0]335            if func_call.symbol != symbol:336                msg = ("Unexpected call: %s\nExpected: %s"337                    % (_dump_function_call(symbol, args, dargs),338                       func_call))339                self._append_error(msg)340                return None341            if not func_call.match(*args, **dargs):342                msg = ("Incorrect call: %s\nExpected: %s"343                    % (_dump_function_call(symbol, args, dargs),344                      func_call))345                self._append_error(msg)346                return None347            # this is the expected call so pop it and return348            self.recording.popleft()349            if func_call.error:350                raise func_call.error351            else:352                return func_call.return_obj353        else:354            msg = ("unexpected call: %s"355                   % (_dump_function_call(symbol, args, dargs)))356            self._append_error(msg)357            return None358    def __record_call(self, mapping):359        self.recording.append(mapping)360    def _append_error(self, error):361        if self._debug:362            print >> sys.__stdout__, ' *** ' + error363        if self._fail_fast:364            raise CheckPlaybackError(error)365        self.errors.append(error)366    def check_playback(self):367        """368        Report any errors that were encounterd during calls369        to __method_playback().370        """371        if len(self.errors) > 0:372            if self._debug:373                print '\nPlayback errors:'374            for error in self.errors:375                print >> sys.__stdout__, error376            if self._ut:377                self._ut.fail('\n'.join(self.errors))378            raise CheckPlaybackError379        elif len(self.recording) != 0:380            errors = []381            for func_call in self.recording:382                error = "%s not called" % (func_call,)383                errors.append(error)384                print >> sys.__stdout__, error385            if self._ut:386                self._ut.fail('\n'.join(errors))387            raise CheckPlaybackError388        self.recording.clear()389    def mock_io(self):390        """Mocks and saves the stdout & stderr output"""391        self.orig_stdout = sys.stdout392        self.orig_stderr = sys.stderr393        self.mock_streams_stdout = StringIO.StringIO('')394        self.mock_streams_stderr = StringIO.StringIO('')395        sys.stdout = self.mock_streams_stdout396        sys.stderr = self.mock_streams_stderr397    def unmock_io(self):398        """Restores the stdout & stderr, and returns both399        output strings"""400        sys.stdout = self.orig_stdout401        sys.stderr = self.orig_stderr402        values = (self.mock_streams_stdout.getvalue(),403                  self.mock_streams_stderr.getvalue())404        self.mock_streams_stdout.close()405        self.mock_streams_stderr.close()406        return values407def _arg_to_str(arg):408    if isinstance(arg, argument_comparator):409        return str(arg)410    return repr(arg)411def _dump_function_call(symbol, args, dargs):412    arg_vec = []413    for arg in args:414        arg_vec.append(_arg_to_str(arg))415    for key, val in dargs.iteritems():416        arg_vec.append("%s=%s" % (key, _arg_to_str(val)))...
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