Dec 15, 2023 · Dec 20, 2023 · Dec 20, 2023 · Dec 20, 2023 · Dec 20, 2023
diff --git a/lib/matplotlib/tests/test_datetime.py b/lib/matplotlib/tests/test_datetime.py
 import datetime
 from datetime import timedelta
 import numpy as np

 import pytest
    @pytest.mark.xfail(reason="Test for violinplot not written yet")
    @mpl.style.context("default")
    def test_violinplot(self):
        np.random.seed(19680801)
        n_samples = 100
        values = np.random.randn(n_samples)
        fig, ax = plt.subplots()
        ax.violinplot(...)
        result = ax.violinplot(values, positions=[datetime(2023, 1, 10)], widths=[
                               timedelta(days=10)], showmeans=True, showextrema=True)
        assert isinstance(result, dict), "Failed to create violin plot"
        assert 'bodies' in result, "Violin plot bodies are missing"
        assert len(result['bodies']) > 0, "Violin plot bodies are empty"
        result1 = ax.violinplot(values, positions=[datetime(2023, 1, 15)], widths=[
                                timedelta(days=6)], showmeans=True, showextrema=True)
        assert isinstance(result1, dict), "Failed to create violin plot"
        assert 'bodies' in result1, "Violin plot bodies are missing"
        assert len(result1['bodies']) > 0, "Violin plot bodies are empty"
        result2 = ax.violinplot(values, positions=[datetime(2023, 1, 25)], widths=[
                                timedelta(days=12)], showmeans=True, showextrema=True)
        assert isinstance(result2, dict), "Failed to create violin plot"
        assert 'bodies' in result2, "Violin plot bodies are missing"
        assert len(result2['bodies']) > 0, "Violin plot bodies are empty"
        result3 = ax.violinplot(values, positions=[datetime(2023, 2, 5)], widths=[
                                timedelta(days=8)], showmeans=True, showextrema=True)
        assert isinstance(result3, dict), "Failed to create violin plot"
        assert 'bodies' in result3, "Violin plot bodies are missing"
        assert len(result3['bodies']) > 0, "Violin plot bodies are empty"
        ax.set_title(
            'Violin Plot with DateTime Positions and Timedelta Widths')
        ax.set_xlabel('Dates')
        ax.set_ylabel('Values')
        plt.xticks(rotation=90)
        assert result is not None, "Failed to create violin plot"

    @mpl.style.context("default")
    def test_vlines(self):
Original file line number	Diff line number	Diff line change
		@@ -1,4 +1,5 @@
		import datetime
		from datetime import timedelta
		import numpy as np

		import pytest
Expand DownExpand Up		@@ -838,8 +839,36 @@ def test_violin(self):
		@pytest.mark.xfail(reason="Test for violinplot not written yet")
		@mpl.style.context("default")
		def test_violinplot(self):
		np.random.seed(19680801)
		n_samples = 100
		values = np.random.randn(n_samples)
		fig, ax = plt.subplots()
		ax.violinplot(...)
		result = ax.violinplot(values, positions=[datetime(2023, 1, 10)], widths=[
		timedelta(days=10)], showmeans=True, showextrema=True)
		assert isinstance(result, dict), "Failed to create violin plot"
		assert 'bodies' in result, "Violin plot bodies are missing"
		assert len(result['bodies']) > 0, "Violin plot bodies are empty"
		result1 = ax.violinplot(values, positions=[datetime(2023, 1, 15)], widths=[
		timedelta(days=6)], showmeans=True, showextrema=True)
		assert isinstance(result1, dict), "Failed to create violin plot"
		assert 'bodies' in result1, "Violin plot bodies are missing"
		assert len(result1['bodies']) > 0, "Violin plot bodies are empty"
		result2 = ax.violinplot(values, positions=[datetime(2023, 1, 25)], widths=[
		timedelta(days=12)], showmeans=True, showextrema=True)
		assert isinstance(result2, dict), "Failed to create violin plot"
		assert 'bodies' in result2, "Violin plot bodies are missing"
		assert len(result2['bodies']) > 0, "Violin plot bodies are empty"
		result3 = ax.violinplot(values, positions=[datetime(2023, 2, 5)], widths=[
		timedelta(days=8)], showmeans=True, showextrema=True)
		assert isinstance(result3, dict), "Failed to create violin plot"
		assert 'bodies' in result3, "Violin plot bodies are missing"
		assert len(result3['bodies']) > 0, "Violin plot bodies are empty"
		ax.set_title(
		'Violin Plot with DateTime Positions and Timedelta Widths')
		ax.set_xlabel('Dates')
		ax.set_ylabel('Values')
		plt.xticks(rotation=90)
		assert result is not None, "Failed to create violin plot"

		@mpl.style.context("default")
		def test_vlines(self):
Expand Down