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73 lines
1.4 KiB
73 lines
1.4 KiB
"""Provide base classes for the test system"""
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from unittest import TestCase
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import os
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import tempfile
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__all__ = ['TestBase', 'FileCreator']
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#{ Utilities
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class FileCreator(object):
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"""A instance which creates a temporary file with a prefix and a given size
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and provides this info to the user.
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Once it gets deleted, it will remove the temporary file as well."""
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__slots__ = ("_size", "_path")
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def __init__(self, size, prefix=''):
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assert size, "Require size to be larger 0"
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self._path = tempfile.mktemp(prefix=prefix)
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self._size = size
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with open(self._path, "wb") as fp:
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fp.seek(size - 1)
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fp.write(b'1')
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assert os.path.getsize(self.path) == size
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def __del__(self):
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try:
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os.remove(self.path)
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except OSError:
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pass
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# END exception handling
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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self.__del__()
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@property
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def path(self):
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return self._path
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@property
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def size(self):
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return self._size
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#} END utilities
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class TestBase(TestCase):
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"""Foundation used by all tests"""
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#{ Configuration
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k_window_test_size = 1000 * 1000 * 8 + 5195
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#} END configuration
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#{ Overrides
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@classmethod
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def setUpAll(cls):
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# nothing for now
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pass
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# END overrides
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#{ Interface
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#} END interface
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