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executionerrors

ExecutionErrors

Represents errors occurred during the execution of tests.

An error might be, for example, that importing a library has failed.

Source code in src/robot/result/executionerrors.py 
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class ExecutionErrors:
    """Represents errors occurred during the execution of tests.

    An error might be, for example, that importing a library has failed.
    """
    id = 'errors'

    def __init__(self, messages: Sequence[Message] = ()):
        self.messages = messages

    @setter
    def messages(self, messages) -> ItemList[Message]:
        return ItemList(Message, {'parent': self}, items=messages)

    def add(self, other: 'ExecutionErrors'):
        self.messages.extend(other.messages)

    def visit(self, visitor):
        visitor.visit_errors(self)

    def __iter__(self) -> Iterator[Message]:
        return iter(self.messages)

    def __len__(self) -> int:
        return len(self.messages)

    def __getitem__(self, index) -> Message:
        return self.messages[index]

    def __str__(self) -> str:
        if not self:
            return 'No execution errors'
        if len(self) == 1:
            return f'Execution error: {self[0]}'
        return '\n'.join(['Execution errors:'] + ['- ' + str(m) for m in self])