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TST: Add a test of bar3d from two more angles #12273

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TST: Add a test of bar3d from two more angles #12273

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Binary file added lib/mpl_toolkits/tests/baseline_images/test_mplot3d/bar3d_shaded[-120-30].png
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Binary file renamed ...line_images/test_mplot3d/bar3d_shaded.png → ...ges/test_mplot3d/bar3d_shaded[-60-30].png
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Binary file added lib/mpl_toolkits/tests/baseline_images/test_mplot3d/bar3d_shaded[120--30].png
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17 changes: 15 additions & 2 deletions lib/mpl_toolkits/tests/test_mplot3d.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,17 @@
import numpy as np


@pytest.fixture
def baseline_images(request, extension):
# strip the leading test_, and the file extension from the parameters
name = request.node.name
if name.startswith('test_'):
name = name[5:]
name = name.replace('[{}-'.format(extension), '[')
name = name.replace('[]', '')
return [name]


@image_comparison(baseline_images=['bar3d'], remove_text=True)
def test_bar3d():
fig = plt.figure()
Expand All @@ -21,12 +32,13 @@ def test_bar3d():
ax.bar(xs, ys, zs=z, zdir='y', align='edge', color=cs, alpha=0.8)


@pytest.mark.parametrize('azim, elev', [(-60, 30), (-120, 30), (120, -30)])
@image_comparison(
baseline_images=['bar3d_shaded'],
baseline_images=None,
remove_text=True,
extensions=['png']
)
def test_bar3d_shaded():
def test_bar3d_shaded(baseline_images, azim, elev):
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
x = np.arange(4)
Expand All @@ -35,6 +47,7 @@ def test_bar3d_shaded():
x2d, y2d = x2d.ravel(), y2d.ravel()
z = x2d + y2d
ax.bar3d(x2d, y2d, x2d * 0, 1, 1, z, shade=True)
ax.view_init(azim=azim, elev=elev)
fig.canvas.draw()


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