src/snakeoil/test/modules.py


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from . import mixins


class ExportedModules(mixins.PythonNamespaceWalker):

    target_namespace = "snakeoil"

    def test__all__accuracy(self):
        failures = []
        for module in self.walk_namespace(self.target_namespace):
            for target in getattr(module, "__all__", ()):
                if not hasattr(module, target):
                    failures.append((module, target))
        assert not failures, f"nonexistent __all__ targets spotted: {failures}"