mirror of
https://github.com/wassname/scikit-image.git
synced 2026-06-29 01:43:45 +08:00
emmanuelle
74 lines
1.8 KiB
Python
74 lines
1.8 KiB
Python
import numpy as np
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import skimage.data as data
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from numpy.testing import assert_equal, assert_almost_equal
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def test_lena():
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""" Test that "Lena" image can be loaded. """
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lena = data.lena()
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assert_equal(lena.shape, (512, 512, 3))
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def test_astronaut():
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""" Test that "astronaut" image can be loaded. """
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astronaut = data.astronaut()
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assert_equal(astronaut.shape, (512, 512, 3))
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def test_camera():
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""" Test that "camera" image can be loaded. """
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cameraman = data.camera()
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assert_equal(cameraman.ndim, 2)
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def test_checkerboard():
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""" Test that "checkerboard" image can be loaded. """
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data.checkerboard()
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def test_text():
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""" Test that "text" image can be loaded. """
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data.text()
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def test_moon():
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""" Test that "moon" image can be loaded. """
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data.moon()
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def test_page():
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""" Test that "page" image can be loaded. """
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data.page()
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def test_clock():
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""" Test that "clock" image can be loaded. """
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data.clock()
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def test_chelsea():
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""" Test that "chelsea" image can be loaded. """
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data.chelsea()
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def test_coffee():
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""" Test that "coffee" image can be loaded. """
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data.coffee()
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def test_binary_blobs():
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blobs = data.binary_blobs(length=128)
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assert_almost_equal(blobs.mean(), 0.5, decimal=1)
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blobs = data.binary_blobs(length=128, volume_fraction=0.25)
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assert_almost_equal(blobs.mean(), 0.25, decimal=1)
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blobs = data.binary_blobs(length=32, volume_fraction=0.25, n_dim=3)
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assert_almost_equal(blobs.mean(), 0.25, decimal=1)
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other_realization = data.binary_blobs(length=32, volume_fraction=0.25,
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n_dim=3)
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assert not np.all(blobs == other_realization)
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if __name__ == "__main__":
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from numpy.testing import run_module_suite
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run_module_suite()
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