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Backport PR #16656 on branch v3.2.x (Make test_imagegrid_cbar_mode_edge less flaky.) #16705

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Merged
merged 1 commit into from
Mar 7, 2020
Merged

Backport PR #16656 on branch v3.2.x (Make test_imagegrid_cbar_mode_edge less flaky.) #16705

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12 changes: 9 additions & 3 deletions lib/mpl_toolkits/tests/test_axes_grid.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,10 +12,16 @@
# The original version of this test relied on mpl_toolkits's slightly different
# colorbar implementation; moving to matplotlib's own colorbar implementation
# caused the small image comparison error.
@pytest.mark.parametrize("legacy_colorbar", [False, True])
@image_comparison(['imagegrid_cbar_mode.png'],
@image_comparison(['imagegrid_cbar_mode.png', 'imagegrid_cbar_mode.png'],
remove_text=True, style='mpl20', tol=0.3)
def test_imagegrid_cbar_mode_edge(legacy_colorbar):
def test_imagegrid_cbar_mode_edge():
# Note, we don't use @pytest.mark.parametrize, because in parallel this
# might cause one process result to overwrite another's.
for legacy_colorbar in [False, True]:
_test_imagegrid_cbar_mode_edge(legacy_colorbar)


def _test_imagegrid_cbar_mode_edge(legacy_colorbar):
mpl.rcParams["mpl_toolkits.legacy_colorbar"] = legacy_colorbar

X, Y = np.meshgrid(np.linspace(0, 6, 30), np.linspace(0, 6, 30))
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