61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
import pytest
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from pandas import DataFrame
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from pandas.tests.plotting.common import (
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_check_plot_works,
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_check_ticks_props,
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_gen_two_subplots,
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)
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plt = pytest.importorskip("matplotlib.pyplot")
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class TestCommon:
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def test__check_ticks_props(self):
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# GH 34768
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df = DataFrame({"b": [0, 1, 0], "a": [1, 2, 3]})
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ax = _check_plot_works(df.plot, rot=30)
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ax.yaxis.set_tick_params(rotation=30)
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msg = "expected 0.00000 but got "
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with pytest.raises(AssertionError, match=msg):
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_check_ticks_props(ax, xrot=0)
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with pytest.raises(AssertionError, match=msg):
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_check_ticks_props(ax, xlabelsize=0)
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with pytest.raises(AssertionError, match=msg):
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_check_ticks_props(ax, yrot=0)
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with pytest.raises(AssertionError, match=msg):
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_check_ticks_props(ax, ylabelsize=0)
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def test__gen_two_subplots_with_ax(self):
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fig = plt.gcf()
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gen = _gen_two_subplots(f=lambda **kwargs: None, fig=fig, ax="test")
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# On the first yield, no subplot should be added since ax was passed
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next(gen)
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assert fig.get_axes() == []
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# On the second, the one axis should match fig.subplot(2, 1, 2)
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next(gen)
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axes = fig.get_axes()
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assert len(axes) == 1
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subplot_geometry = list(axes[0].get_subplotspec().get_geometry()[:-1])
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subplot_geometry[-1] += 1
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assert subplot_geometry == [2, 1, 2]
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def test_colorbar_layout(self):
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fig = plt.figure()
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axes = fig.subplot_mosaic(
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"""
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AB
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CC
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"""
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)
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x = [1, 2, 3]
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y = [1, 2, 3]
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cs0 = axes["A"].scatter(x, y)
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axes["B"].scatter(x, y)
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fig.colorbar(cs0, ax=[axes["A"], axes["B"]], location="right")
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DataFrame(x).plot(ax=axes["C"])
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