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Merge pull request #1976 from stefanv/mpl_warnings

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Fix tests for matplotlib warnings generated by Template backend
This commit is contained in:
Josh Warner
2016-03-03 18:28:05 -06:00
parent 0d7289ea76 9e9207c718
commit deaac9cce5
1 changed files with 19 additions and 7 deletions
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skimage/io/tests/test_mpl_imshow.py
+19 -7
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@@ -43,7 +43,9 @@ def n_subplots(ax_im):
def test_uint8():
plt.figure()
ax_im = io.imshow(im8)
with expected_warnings(["tight_layout : Falling back to Agg|\A\Z",
"CObject type is marked|\A\Z"]):
ax_im = io.imshow(im8)
assert ax_im.cmap.name == 'gray'
assert ax_im.get_clim() == (0, 255)
assert n_subplots(ax_im) == 1
@@ -52,7 +54,9 @@ def test_uint8():
def test_uint16():
plt.figure()
ax_im = io.imshow(im16)
with expected_warnings(["tight_layout : Falling back to Agg|\A\Z",
"CObject type is marked|\A\Z"]):
ax_im = io.imshow(im16)
assert ax_im.cmap.name == 'gray'
assert ax_im.get_clim() == (0, 65535)
assert n_subplots(ax_im) == 1
@@ -61,7 +65,9 @@ def test_uint16():
def test_float():
plt.figure()
ax_im = io.imshow(imf)
with expected_warnings(["tight_layout : Falling back to Agg|\A\Z",
"CObject type is marked|\A\Z"]):
ax_im = io.imshow(imf)
assert ax_im.cmap.name == 'gray'
assert ax_im.get_clim() == (0, 1)
assert n_subplots(ax_im) == 1
@@ -69,7 +75,8 @@ def test_float():
def test_low_dynamic_range():
with expected_warnings(["Low image dynamic range"]):
with expected_warnings(["Low image dynamic range|CObject type is marked",
"tight_layout : Falling back to Agg|\A\Z"]):
ax_im = io.imshow(im_lo)
assert ax_im.get_clim() == (im_lo.min(), im_lo.max())
# check that a colorbar was created
@@ -82,7 +89,8 @@ def test_outside_standard_range():
# "The CObject type is marked Pending Deprecation in Python 2.7.
# Please use capsule objects instead."
# Ref: https://docs.python.org/2/c-api/cobject.html
with expected_warnings(["out of standard range|CObject type is marked"]):
with expected_warnings(["out of standard range|CObject type is marked",
"tight_layout : Falling back to Agg|\A\Z"]):
ax_im = io.imshow(im_hi)
assert ax_im.get_clim() == (im_hi.min(), im_hi.max())
assert n_subplots(ax_im) == 2
@@ -95,7 +103,8 @@ def test_nonstandard_type():
# "The CObject type is marked Pending Deprecation in Python 2.7.
# Please use capsule objects instead."
# Ref: https://docs.python.org/2/c-api/cobject.html
with expected_warnings(["Low image dynamic range|CObject type is marked"]):
with expected_warnings(["Low image dynamic range|CObject type is marked",
"tight_layout : Falling back to Agg|\A\Z"]):
ax_im = io.imshow(im64)
assert ax_im.get_clim() == (im64.min(), im64.max())
assert n_subplots(ax_im) == 2
@@ -105,7 +114,10 @@ def test_nonstandard_type():
def test_signed_image():
plt.figure()
im_signed = np.array([[-0.5, -0.2], [0.1, 0.4]])
ax_im = io.imshow(im_signed)
with expected_warnings(["tight_layout : Falling back to Agg|\A\Z",
"CObject type is marked|\A\Z"]):
ax_im = io.imshow(im_signed)
assert ax_im.get_clim() == (-0.5, 0.5)
assert n_subplots(ax_im) == 2
assert ax_im.colorbar is not None