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Verify that we can locate and load packages, modules, submodules, and
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These tests share setup/cleanup behavior of creating a dummy package and
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Make sure the module list comes back as we expect from iterModules on a
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These tests verify that the default path interrogation API works properly
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Tests for the class which provides the implementation for all of the
public API of L{twisted.python.modules}, L{PythonPath}.
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Make sure that the behavior when encountering an unknown importer
type is not catastrophic failure.
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present in the path importer cache, a warning is emitted, but the
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L{PythonPath} implements the C{in} operator so that when it is the
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L{PythonPath} implements the C{in} operator so that when it is the
right-hand argument and the name of a module which does not exist on
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