How to use _diff_message method in Testify

Best Python code snippet using Testify_python

json_diff.py

Source:json_diff.py

...14        self.destination = destination15    @abstractmethod16    def __str__(self):17        pass18def _diff_message(hint, source, destination):19    return f"{hint}:\n< {source}\n---\n> {destination}"20_TYPE_DIFF_TYPE = "TYPE_MISMATCH"21_VALUE_DIFF_TYPE = "VALUE_MISMATCH"22class TypeDiff(Diff):23    def __init__(self, source, destination, counters):24        super().__init__(source, destination)25        counters[_TYPE_DIFF_TYPE] = counters[_TYPE_DIFF_TYPE] + 126    def __str__(self):27        return _diff_message("TYPE_MISMATCH", f"{type(self.source)}':'{self.source}",28                             f"{type(self.destination)}':'{self.destination}")29    def __eq__(self, other):30        return str(self) == str(other)31class ValueDiff(Diff):32    def __init__(self, source, destination, counters):33        super().__init__(source, destination)34        counters[_VALUE_DIFF_TYPE] = counters[_VALUE_DIFF_TYPE] + 135    def __str__(self):36        return _diff_message(_VALUE_DIFF_TYPE, self.source, self.destination)37    def __eq__(self, other):38        return str(self) == str(other)39class DictDiff(AbstractDiff):40    def __init__(self):41        super().__init__()42        self.children = {}43    def __str__(self):44        return str({key: str(self.children[key]) for key in sorted(self.children.keys())})45    def __eq__(self, other):46        return str(self) == str(other)47    def add_child(self, key, diff):48        assert key not in self.children49        self.children[key] = diff50    def has_diff(self):...

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