def test_binned_colormap():
"""Test a binned colormap."""
colors = np.array([[0, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 1]])
cmap = Colormap(colors, name='testing', interpolation='zero')
assert cmap.name == 'testing'
assert cmap.interpolation == 'zero'
assert len(cmap.controls) == len(colors) + 1
np.testing.assert_almost_equal(cmap.colors, colors)
np.testing.assert_almost_equal(cmap.map([0.4]), [[0, 1, 0, 1]])
def test_linear_colormap():
"""Test a linear colormap."""
colors = np.array([[0, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 1]])
cmap = Colormap(colors, name='testing')
assert cmap.name == 'testing'
assert cmap.interpolation == 'linear'
assert len(cmap.controls) == len(colors)
np.testing.assert_almost_equal(cmap.colors, colors)
np.testing.assert_almost_equal(cmap.map([0.75]), [[0, 0.5, 0.5, 1]])