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Adding test for axes.streamplot using datetime #27489

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Adding test for axes.streamplot using datetime #27489

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16 changes: 14 additions & 2 deletions lib/matplotlib/tests/test_datetime.py
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Original file line number Diff line number Diff line change
@@ -694,11 +694,23 @@ def test_step(self):
ax2.step(range(1, N), x)
ax3.step(x, x)

@pytest.mark.xfail(reason="Test for streamplot not written yet")
@mpl.style.context("default")
def test_streamplot(self):
mpl.rcParams["date.converter"] = "concise"
fig, ax = plt.subplots()
ax.streamplot(...)

np.random.seed(19680801)
limit_value = 30

date_array = np.array(
[datetime.datetime(2023, 12, n) for n in range(1, limit_value)]
)
date_array_converted = mpl.dates.date2num(date_array)
X, Y = np.meshgrid(date_array_converted, np.arange(0, limit_value-1))
U = np.random.rand(limit_value-1, limit_value-1)
V = np.random.rand(limit_value-1, limit_value-1)

ax.streamplot(X, Y, U, V)

@mpl.style.context("default")
def test_text(self):