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TST pandas support bar #13255

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Jan 21, 2019
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TST pandas support bar #13255

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20 changes: 20 additions & 0 deletions lib/matplotlib/tests/test_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1524,6 +1524,26 @@ def test_bar_timedelta():
(10, 20))


def test_bar_pandas(pd):
# Smoke test for pandas

fig, ax = plt.subplots()

df = pd.DataFrame(
{'year': [2018, 2018, 2018],
'month': [1, 1, 1],
'day': [1, 2, 3],
'value': [1, 2, 3]})
df['date'] = pd.to_datetime(df[['year', 'month', 'day']])

monthly = df[['date', 'value']].groupby(['date']).sum()
dates = monthly.index
forecast = monthly['value']
baseline = monthly['value']
ax.bar(dates, forecast, width=10, align='center')
ax.plot(dates, baseline, color='orange', lw=4)


@image_comparison(baseline_images=['hist_log'],
remove_text=True)
def test_hist_log():
Expand Down