You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
176 lines
5.9 KiB
Python
176 lines
5.9 KiB
Python
import itertools
|
|
|
|
import numpy
|
|
import matplotlib.pyplot as plt
|
|
from matplotlib.testing.decorators import image_comparison
|
|
|
|
import pytest
|
|
|
|
|
|
def check_shared(axs, x_shared, y_shared):
|
|
"""
|
|
x_shared and y_shared are n x n boolean matrices; entry (i, j) indicates
|
|
whether the x (or y) axes of subplots i and j should be shared.
|
|
"""
|
|
for (i1, ax1), (i2, ax2), (i3, (name, shared)) in itertools.product(
|
|
enumerate(axs),
|
|
enumerate(axs),
|
|
enumerate(zip("xy", [x_shared, y_shared]))):
|
|
if i2 <= i1:
|
|
continue
|
|
assert \
|
|
(getattr(axs[0], "_shared_{}_axes".format(name)).joined(ax1, ax2)
|
|
== shared[i1, i2]), \
|
|
"axes %i and %i incorrectly %ssharing %s axis" % (
|
|
i1, i2, "not " if shared[i1, i2] else "", name)
|
|
|
|
|
|
def check_visible(axs, x_visible, y_visible):
|
|
for i, (ax, vx, vy) in enumerate(zip(axs, x_visible, y_visible)):
|
|
for l in ax.get_xticklabels() + [ax.get_xaxis().offsetText]:
|
|
assert l.get_visible() == vx, \
|
|
f"Visibility of x axis #{i} is incorrectly {vx}"
|
|
for l in ax.get_yticklabels() + [ax.get_yaxis().offsetText]:
|
|
assert l.get_visible() == vy, \
|
|
f"Visibility of y axis #{i} is incorrectly {vy}"
|
|
|
|
|
|
def test_shared():
|
|
rdim = (4, 4, 2)
|
|
share = {
|
|
'all': numpy.ones(rdim[:2], dtype=bool),
|
|
'none': numpy.zeros(rdim[:2], dtype=bool),
|
|
'row': numpy.array([
|
|
[False, True, False, False],
|
|
[True, False, False, False],
|
|
[False, False, False, True],
|
|
[False, False, True, False]]),
|
|
'col': numpy.array([
|
|
[False, False, True, False],
|
|
[False, False, False, True],
|
|
[True, False, False, False],
|
|
[False, True, False, False]]),
|
|
}
|
|
visible = {
|
|
'x': {
|
|
'all': [False, False, True, True],
|
|
'col': [False, False, True, True],
|
|
'row': [True] * 4,
|
|
'none': [True] * 4,
|
|
False: [True] * 4,
|
|
True: [False, False, True, True],
|
|
},
|
|
'y': {
|
|
'all': [True, False, True, False],
|
|
'col': [True] * 4,
|
|
'row': [True, False, True, False],
|
|
'none': [True] * 4,
|
|
False: [True] * 4,
|
|
True: [True, False, True, False],
|
|
},
|
|
}
|
|
share[False] = share['none']
|
|
share[True] = share['all']
|
|
|
|
# test default
|
|
f, ((a1, a2), (a3, a4)) = plt.subplots(2, 2)
|
|
axs = [a1, a2, a3, a4]
|
|
check_shared(axs, share['none'], share['none'])
|
|
plt.close(f)
|
|
|
|
# test all option combinations
|
|
ops = [False, True, 'all', 'none', 'row', 'col']
|
|
for xo in ops:
|
|
for yo in ops:
|
|
f, ((a1, a2), (a3, a4)) = plt.subplots(2, 2, sharex=xo, sharey=yo)
|
|
axs = [a1, a2, a3, a4]
|
|
check_shared(axs, share[xo], share[yo])
|
|
check_visible(axs, visible['x'][xo], visible['y'][yo])
|
|
plt.close(f)
|
|
|
|
# test label_outer
|
|
f, ((a1, a2), (a3, a4)) = plt.subplots(2, 2, sharex=True, sharey=True)
|
|
axs = [a1, a2, a3, a4]
|
|
for ax in axs:
|
|
ax.label_outer()
|
|
check_visible(axs, [False, False, True, True], [True, False, True, False])
|
|
|
|
|
|
def test_label_outer_span():
|
|
fig = plt.figure()
|
|
gs = fig.add_gridspec(3, 3)
|
|
# +---+---+---+
|
|
# | 1 | |
|
|
# +---+---+---+
|
|
# | | | 3 |
|
|
# + 2 +---+---+
|
|
# | | 4 | |
|
|
# +---+---+---+
|
|
a1 = fig.add_subplot(gs[0, 0:2])
|
|
a2 = fig.add_subplot(gs[1:3, 0])
|
|
a3 = fig.add_subplot(gs[1, 2])
|
|
a4 = fig.add_subplot(gs[2, 1])
|
|
for ax in fig.axes:
|
|
ax.label_outer()
|
|
check_visible(
|
|
fig.axes, [False, True, False, True], [True, True, False, False])
|
|
|
|
|
|
def test_shared_and_moved():
|
|
# test if sharey is on, but then tick_left is called that labels don't
|
|
# re-appear. Seaborn does this just to be sure yaxis is on left...
|
|
f, (a1, a2) = plt.subplots(1, 2, sharey=True)
|
|
check_visible([a2], [True], [False])
|
|
a2.yaxis.tick_left()
|
|
check_visible([a2], [True], [False])
|
|
|
|
f, (a1, a2) = plt.subplots(2, 1, sharex=True)
|
|
check_visible([a1], [False], [True])
|
|
a2.xaxis.tick_bottom()
|
|
check_visible([a1], [False], [True])
|
|
|
|
|
|
def test_exceptions():
|
|
# TODO should this test more options?
|
|
with pytest.raises(ValueError):
|
|
plt.subplots(2, 2, sharex='blah')
|
|
with pytest.raises(ValueError):
|
|
plt.subplots(2, 2, sharey='blah')
|
|
# We filter warnings in this test which are genuine since
|
|
# the point of this test is to ensure that this raises.
|
|
with pytest.warns(UserWarning, match='.*sharex argument to subplots'), \
|
|
pytest.raises(ValueError):
|
|
plt.subplots(2, 2, -1)
|
|
with pytest.warns(UserWarning, match='.*sharex argument to subplots'), \
|
|
pytest.raises(ValueError):
|
|
plt.subplots(2, 2, 0)
|
|
with pytest.warns(UserWarning, match='.*sharex argument to subplots'), \
|
|
pytest.raises(ValueError):
|
|
plt.subplots(2, 2, 5)
|
|
|
|
|
|
@image_comparison(['subplots_offset_text'], remove_text=False)
|
|
def test_subplots_offsettext():
|
|
x = numpy.arange(0, 1e10, 1e9)
|
|
y = numpy.arange(0, 100, 10)+1e4
|
|
fig, axs = plt.subplots(2, 2, sharex='col', sharey='all')
|
|
axs[0, 0].plot(x, x)
|
|
axs[1, 0].plot(x, x)
|
|
axs[0, 1].plot(y, x)
|
|
axs[1, 1].plot(y, x)
|
|
|
|
|
|
def test_get_gridspec():
|
|
# ahem, pretty trivial, but...
|
|
fig, ax = plt.subplots()
|
|
assert ax.get_subplotspec().get_gridspec() == ax.get_gridspec()
|
|
|
|
|
|
def test_dont_mutate_kwargs():
|
|
subplot_kw = {'sharex': 'all'}
|
|
gridspec_kw = {'width_ratios': [1, 2]}
|
|
fig, ax = plt.subplots(1, 2, subplot_kw=subplot_kw,
|
|
gridspec_kw=gridspec_kw)
|
|
assert subplot_kw == {'sharex': 'all'}
|
|
assert gridspec_kw == {'width_ratios': [1, 2]}
|