130 lines
3 KiB
Python
130 lines
3 KiB
Python
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""" Testing decorators module
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"""
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import numpy as np
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from numpy.testing import assert_equal
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from skimage._shared.testing import doctest_skip_parser, test_parallel
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from skimage._shared import testing
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import pytest
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from skimage._shared._warnings import expected_warnings
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from warnings import warn
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def test_skipper():
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def f():
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pass
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class c():
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def __init__(self):
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self.me = "I think, therefore..."
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docstring = \
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""" Header
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>>> something # skip if not HAVE_AMODULE
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>>> something + else
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>>> a = 1 # skip if not HAVE_BMODULE
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>>> something2 # skip if HAVE_AMODULE
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"""
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f.__doc__ = docstring
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c.__doc__ = docstring
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global HAVE_AMODULE, HAVE_BMODULE
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HAVE_AMODULE = False
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HAVE_BMODULE = True
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f2 = doctest_skip_parser(f)
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c2 = doctest_skip_parser(c)
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assert f is f2
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assert c is c2
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expected = \
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""" Header
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>>> something # doctest: +SKIP
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>>> something + else
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>>> a = 1
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>>> something2
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"""
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assert_equal(f2.__doc__, expected)
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assert_equal(c2.__doc__, expected)
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HAVE_AMODULE = True
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HAVE_BMODULE = False
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f.__doc__ = docstring
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c.__doc__ = docstring
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f2 = doctest_skip_parser(f)
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c2 = doctest_skip_parser(c)
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assert f is f2
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expected = \
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""" Header
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>>> something
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>>> something + else
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>>> a = 1 # doctest: +SKIP
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>>> something2 # doctest: +SKIP
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"""
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assert_equal(f2.__doc__, expected)
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assert_equal(c2.__doc__, expected)
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del HAVE_AMODULE
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f.__doc__ = docstring
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c.__doc__ = docstring
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with testing.raises(NameError):
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doctest_skip_parser(f)
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with testing.raises(NameError):
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doctest_skip_parser(c)
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def test_test_parallel():
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state = []
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@test_parallel()
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def change_state1():
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state.append(None)
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change_state1()
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assert len(state) == 2
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@test_parallel(num_threads=1)
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def change_state2():
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state.append(None)
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change_state2()
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assert len(state) == 3
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@test_parallel(num_threads=3)
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def change_state3():
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state.append(None)
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change_state3()
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assert len(state) == 6
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def test_parallel_warning():
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@test_parallel()
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def change_state_warns_fails():
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warn("Test warning for test parallel", stacklevel=2)
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with expected_warnings(['Test warning for test parallel']):
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change_state_warns_fails()
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@test_parallel(warnings_matching=['Test warning for test parallel'])
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def change_state_warns_passes():
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warn("Test warning for test parallel", stacklevel=2)
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change_state_warns_passes()
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def test_expected_warnings_noop():
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# This will ensure the line beolow it behaves like a no-op
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with expected_warnings(['Expected warnings test']):
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# This should behave as a no-op
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with expected_warnings(None):
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warn('Expected warnings test')
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if __name__ == '__main__':
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np.testing.run_module_suite()
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