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43 lines
1.4 KiB
Python
Executable file
43 lines
1.4 KiB
Python
Executable file
#!/usr/bin/env python
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"""Test the copy of nose in this directory, by running that nose against itself.
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You can test nose using nose in other ways, but if you don't use this script,
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you might have one installation of nose testing another installation, which is
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not supported.
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"""
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# More detail:
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# In the absence of some sort of deep renaming magic, nose can't reasonably
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# test a different installation of itself, given the existence of the global
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# module registry sys.modules .
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# If installed system-wide with setuptools, setuptools (via the site-packages
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# easy-install.pth) takes you at your word and ensures that the installed nose
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# comes first on sys.path . So the only way to test a copy of nose other than
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# the installed one is to install that version (e.g. by running python setup.py
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# develop).
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# This script provides a way of running nose on nose's own tests without
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# installing the version to be tested, nor uninstalling the currently-installed
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# version.
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import os
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import sys
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if __name__ == "__main__":
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this_dir = os.path.normpath(os.path.abspath(os.path.dirname(__file__)))
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try:
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import pkg_resources
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except ImportError:
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sys.path.insert(0, this_dir)
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else:
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env = pkg_resources.Environment(search_path=[this_dir])
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distributions = env["nose"]
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assert len(distributions) == 1
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dist = distributions[0]
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dist.activate()
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import nose
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nose.run_exit()
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