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Minor cleanup and add test for offsetbox #24486

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Merged
merged 1 commit into from
Feb 2, 2023
Merged

Minor cleanup and add test for offsetbox #24486

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Binary file added lib/matplotlib/tests/baseline_images/test_offsetbox/paddedbox.png
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65 changes: 61 additions & 4 deletions lib/matplotlib/tests/test_offsetbox.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,15 @@
from numpy.testing import assert_allclose
import pytest

from matplotlib.testing.decorators import image_comparison
from matplotlib.testing.decorators import check_figures_equal, image_comparison
import matplotlib.pyplot as plt
import matplotlib.patches as mpatches
import matplotlib.lines as mlines
from matplotlib.backend_bases import MouseButton, MouseEvent

from matplotlib.offsetbox import (
AnchoredOffsetbox, AnnotationBbox, AnchoredText, DrawingArea, OffsetBox,
OffsetImage, PaddedBox, TextArea, _get_packed_offsets, HPacker, VPacker)
AnchoredOffsetbox, AnnotationBbox, AnchoredText, DrawingArea, HPacker,
OffsetBox, OffsetImage, PaddedBox, TextArea, VPacker, _get_packed_offsets)


@image_comparison(['offsetbox_clipping'], remove_text=True)
Expand All @@ -28,6 +28,7 @@ def test_offsetbox_clipping():
fig, ax = plt.subplots()
size = 100
da = DrawingArea(size, size, clip=True)
assert da.clip_children
bg = mpatches.Rectangle((0, 0), size, size,
facecolor='#CCCCCC',
edgecolor='None',
Expand Down Expand Up @@ -386,10 +387,66 @@ def test_packers(align):
[(px + x_height, py), (px, py - y2)])


def test_paddedbox():
def test_paddedbox_default_values():
# smoke test paddedbox for correct default value
fig, ax = plt.subplots()
at = AnchoredText("foo", 'upper left')
pb = PaddedBox(at, patch_attrs={'facecolor': 'r'}, draw_frame=True)
ax.add_artist(pb)
fig.draw_without_rendering()


def test_annotationbbox_properties():
ab = AnnotationBbox(DrawingArea(20, 20, 0, 0, clip=True), (0.5, 0.5),
xycoords='data')
assert ab.xyann == (0.5, 0.5) # xy if xybox not given
assert ab.anncoords == 'data' # xycoords if boxcoords not given

ab = AnnotationBbox(DrawingArea(20, 20, 0, 0, clip=True), (0.5, 0.5),
xybox=(-0.2, 0.4), xycoords='data',
boxcoords='axes fraction')
assert ab.xyann == (-0.2, 0.4) # xybox if given
assert ab.anncoords == 'axes fraction' # boxcoords if given


def test_textarea_properties():
ta = TextArea('Foo')
assert ta.get_text() == 'Foo'
assert not ta.get_multilinebaseline()

ta.set_text('Bar')
ta.set_multilinebaseline(True)
assert ta.get_text() == 'Bar'
assert ta.get_multilinebaseline()


@check_figures_equal()
def test_textarea_set_text(fig_test, fig_ref):
ax_ref = fig_ref.add_subplot()
text0 = AnchoredText("Foo", "upper left")
ax_ref.add_artist(text0)

ax_test = fig_test.add_subplot()
text1 = AnchoredText("Bar", "upper left")
ax_test.add_artist(text1)
text1.txt.set_text("Foo")


@image_comparison(['paddedbox.png'], remove_text=True, style='mpl20')
def test_paddedbox():
fig, ax = plt.subplots()

ta = TextArea("foo")
pb = PaddedBox(ta, pad=5, patch_attrs={'facecolor': 'r'}, draw_frame=True)
ab = AnchoredOffsetbox('upper left', child=pb)
ax.add_artist(ab)

ta = TextArea("bar")
pb = PaddedBox(ta, pad=10, patch_attrs={'facecolor': 'b'})
ab = AnchoredOffsetbox('upper right', child=pb)
ax.add_artist(ab)

ta = TextArea("foobar")
pb = PaddedBox(ta, pad=15, draw_frame=True)
ab = AnchoredOffsetbox('lower right', child=pb)
ax.add_artist(ab)