diff --git a/lib/matplotlib/tests/test_datetime.py b/lib/matplotlib/tests/test_datetime.py index 276b7c179afe..ca8b746bad0d 100644 --- a/lib/matplotlib/tests/test_datetime.py +++ b/lib/matplotlib/tests/test_datetime.py @@ -32,11 +32,42 @@ def test_axhline(self): fig, ax = plt.subplots() ax.axhline(...) - @pytest.mark.xfail(reason="Test for axhspan not written yet") @mpl.style.context("default") def test_axhspan(self): - fig, ax = plt.subplots() - ax.axhspan(...) + mpl.rcParams["date.converter"] = 'concise' + + start_date = datetime.datetime(2023, 1, 1) + dates = [start_date + datetime.timedelta(days=i) for i in range(31)] + numbers = list(range(1, 32)) + + fig, (ax1, ax2, ax3) = plt.subplots(3, 1, + constrained_layout=True, + figsize=(10, 12)) + + ax1.plot(dates, numbers, marker='o', color='blue') + for i in range(0, 31, 2): + ax1.axhspan(ymin=i+1, ymax=i+2, facecolor='green', alpha=0.5) + ax1.set_title('Datetime vs. Number') + ax1.set_xlabel('Date') + ax1.set_ylabel('Number') + + ax2.plot(numbers, dates, marker='o', color='blue') + for i in range(0, 31, 2): + ymin = start_date + datetime.timedelta(days=i) + ymax = ymin + datetime.timedelta(days=1) + ax2.axhspan(ymin=ymin, ymax=ymax, facecolor='green', alpha=0.5) + ax2.set_title('Number vs. Datetime') + ax2.set_xlabel('Number') + ax2.set_ylabel('Date') + + ax3.plot(dates, dates, marker='o', color='blue') + for i in range(0, 31, 2): + ymin = start_date + datetime.timedelta(days=i) + ymax = ymin + datetime.timedelta(days=1) + ax3.axhspan(ymin=ymin, ymax=ymax, facecolor='green', alpha=0.5) + ax3.set_title('Datetime vs. Datetime') + ax3.set_xlabel('Date') + ax3.set_ylabel('Date') @pytest.mark.xfail(reason="Test for axline not written yet") @mpl.style.context("default")