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[MRG+1] plot_date() after axhline() doesn't rescale axes #8205

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[MRG+1] plot_date() after axhline() doesn't rescale axes #8205

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f758834
Allow choosing logit scale in qt figure options.
anntzer Feb 4, 2017
24b21ae
Merge pull request #2 from matplotlib/master
Feb 5, 2017
45eadc1
Merge pull request #3 from matplotlib/master
Mar 4, 2017
7eceed5
fix #7742
Yasaman-Mah Mar 4, 2017
52beee2
test case for bug fix 7742
Yasaman-Mah Mar 4, 2017
a3dbc3c
fixed indentation
Yasaman-Mah Mar 4, 2017
b37ffc5
fix pep8
Mar 7, 2017
e083a81
fix merge conflict (add both tests)
Mar 7, 2017
ad03e22
Merge branch 'matplotlib-master' into fix7742
Mar 7, 2017
4fa59c6
added similar changes to axvline.
Yasaman-Mah Mar 16, 2017
4e516f2
resolved merge conflicts in test_axes.py.
Yasaman-Mah Mar 16, 2017
8c9ef18
fixed pep8 errors.
Yasaman-Mah Mar 16, 2017
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22 changes: 18 additions & 4 deletions lib/matplotlib/tests/test_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4973,24 +4973,26 @@ def test_bar_single_height():
# Check that a horizontal chart with one width works
ax.bar(0, 1, bottom=range(4), width=1, orientation='horizontal')


def test_datetime_axhline_same_axes():
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The pep8 checker is probably going to want 2 blank lines between functions

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Looks like you'll also need to trim trailing whitespace:
https://travis-ci.org/matplotlib/matplotlib/jobs/208246492#L1683

# This test was suggested by Paul Hobson (@phobson) regarding issue 7742
# Check when ploting datetime data and horizontal line
# Check when ploting datetime data and horizontal line
# order of plotting doesn't matter.
# axhline() should not change x axis limits.
from datetime import datetime
fig, axs = plt.subplots(2, 1)
xvalues = [datetime(2016, 1, 1, 0, 0, 0), datetime(2016, 1, 2, 0, 0, 0)]
yvalues = [1, 2]

axs[0].plot(xvalues, yvalues)
axs[0].axhline(1.5)

axs[1].axhline(1.5)
axs[1].plot(xvalues, yvalues)

assert (axs[0].get_xlim() == axs[1].get_xlim())


def test_datetime_axvline_same_axes():
# This is similar to test above
from datetime import datetime
Expand All @@ -5005,3 +5007,15 @@ def test_datetime_axvline_same_axes():
axs[1].plot(xvalues, yvalues)

assert (axs[0].get_ylim() == axs[1].get_ylim())


def test_invalid_axis_limits():
plt.plot([0, 1], [0, 1])
with pytest.raises(ValueError):
plt.xlim(np.nan)
with pytest.raises(ValueError):
plt.xlim(np.inf)
with pytest.raises(ValueError):
plt.ylim(np.nan)
with pytest.raises(ValueError):
plt.ylim(np.inf)