mirror of
https://github.com/wassname/scikit-image.git
synced 2026-06-28 05:27:15 +08:00
Egor Panfilov
42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
"""Tests for the version requirement functions.
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"""
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import numpy as np
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from numpy.testing import assert_raises, assert_equal
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import nose
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from skimage._shared import version_requirements as version_req
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def test_get_module_version():
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assert version_req.get_module_version('numpy')
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assert version_req.get_module_version('scipy')
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assert_raises(ImportError,
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lambda: version_req.get_module_version('fakenumpy'))
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def test_is_installed():
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assert version_req.is_installed('python', '>=2.7')
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assert not version_req.is_installed('numpy', '<1.0')
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def test_require():
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# A function that only runs on Python >2.7 and numpy > 1.5 (should pass)
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@version_req.require('python', '>2.7')
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@version_req.require('numpy', '>1.5')
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def foo():
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return 1
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assert_equal(foo(), 1)
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# function that requires scipy < 0.1 (should fail)
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@version_req.require('scipy', '<0.1')
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def bar():
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return 0
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assert_raises(ImportError, lambda: bar())
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def test_get_module():
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assert_equal(version_req.get_module('numpy'), np)
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assert_equal(version_req.get_module('nose'), nose)
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