def test_cell_edges_callback():
with _cleanup_fname() as prefix:
ds = fake_amr_ds(fields=("density", ))
for ax in 'xyz':
p = ProjectionPlot(ds, ax, "density")
p.annotate_cell_edges()
assert_fname(p.save(prefix)[0])
p = ProjectionPlot(ds, ax, "density", weight_field="density")
p.annotate_cell_edges()
assert_fname(p.save(prefix)[0])
p = SlicePlot(ds, ax, "density")
p.annotate_cell_edges()
assert_fname(p.save(prefix)[0])
# Now we'll check a few additional minor things
p = SlicePlot(ds, "x", "density")
p.annotate_cell_edges(alpha=0.7, line_width=0.9, color=(0.0, 1.0, 1.0))
p.save(prefix)
with _cleanup_fname() as prefix:
ds = load(cyl_2d)
slc = SlicePlot(ds, "theta", "density")
slc.annotate_cell_edges()
assert_fname(slc.save(prefix)[0])
with _cleanup_fname() as prefix:
ds = fake_amr_ds(fields=("density", ), geometry="spherical")
p = SlicePlot(ds, "r", "density")
p.annotate_cell_edges()
assert_raises(YTDataTypeUnsupported, p.save, prefix)
