wehub-resource-sync
39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
import matplotlib.pyplot as plt
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import numpy as np
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import pytest
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from numpy.testing import assert_allclose
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from pytest import param
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from shap.plots import colors
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def test_colors():
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assert_allclose(colors.blue_rgb, np.array([0.0, 0.54337757, 0.98337906]))
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assert_allclose(colors.gray_rgb, np.array([0.51615537, 0.51615111, 0.5161729]))
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assert_allclose(colors.light_blue_rgb, np.array([0.49803922, 0.76862745, 0.98823529]))
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assert_allclose(colors.light_red_rgb, np.array([1.0, 0.49803922, 0.65490196]))
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assert_allclose(colors.red_rgb, np.array([1.0, 0.0, 0.31796406]))
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@pytest.mark.mpl_image_compare
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@pytest.mark.parametrize(
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"cmap",
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[
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param(colors.red_blue, id="red_blue"),
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param(colors.red_blue_circle, id="red_blue_circle"),
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param(colors.red_blue_no_bounds, id="red_blue_no_bounds"),
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param(colors.red_blue_transparent, id="red_blue_transparent"),
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param(colors.red_transparent_blue, id="red_transparent_blue"),
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param(colors.red_white_blue, id="red_white_blue"),
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param(colors.transparent_blue, id="transparent_blue"),
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param(colors.transparent_red, id="transparent_red"),
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],
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)
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def test_colormaps(cmap):
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gradient = np.linspace(0, 1, 256).reshape(1, -1)
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fig = plt.figure(figsize=(6, 0.6))
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plt.imshow(gradient, aspect="auto", cmap=cmap)
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plt.axis("off")
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plt.tight_layout()
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return fig
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