Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/scipy/spatial/tests/test__plotutils.py

@@ -0,0 +1,54 @@
+import pytest
+from numpy.testing import assert_, assert_array_equal, suppress_warnings
+try:
+    import matplotlib
+    matplotlib.rcParams['backend'] = 'Agg'
+    import matplotlib.pyplot as plt
+    has_matplotlib = True
+except Exception:
+    has_matplotlib = False
+
+from scipy.spatial import \
+     delaunay_plot_2d, voronoi_plot_2d, convex_hull_plot_2d, \
+     Delaunay, Voronoi, ConvexHull
+
+
+@pytest.mark.skipif(not has_matplotlib, reason="Matplotlib not available")
+class TestPlotting:
+    points = [(0,0), (0,1), (1,0), (1,1)]
+
+    def test_delaunay(self):
+        # Smoke test
+        fig = plt.figure()
+        obj = Delaunay(self.points)
+        s_before = obj.simplices.copy()
+        with suppress_warnings() as sup:
+            # filter can be removed when matplotlib 1.x is dropped
+            sup.filter(message="The ishold function was deprecated in version")
+            r = delaunay_plot_2d(obj, ax=fig.gca())
+        assert_array_equal(obj.simplices, s_before)  # shouldn't modify
+        assert_(r is fig)
+        delaunay_plot_2d(obj, ax=fig.gca())
+
+    def test_voronoi(self):
+        # Smoke test
+        fig = plt.figure()
+        obj = Voronoi(self.points)
+        with suppress_warnings() as sup:
+            # filter can be removed when matplotlib 1.x is dropped
+            sup.filter(message="The ishold function was deprecated in version")
+            r = voronoi_plot_2d(obj, ax=fig.gca())
+        assert_(r is fig)
+        voronoi_plot_2d(obj)
+        voronoi_plot_2d(obj, show_vertices=False)
+
+    def test_convex_hull(self):
+        # Smoke test
+        fig = plt.figure()
+        tri = ConvexHull(self.points)
+        with suppress_warnings() as sup:
+            # filter can be removed when matplotlib 1.x is dropped
+            sup.filter(message="The ishold function was deprecated in version")
+            r = convex_hull_plot_2d(tri, ax=fig.gca())
+        assert_(r is fig)
+        convex_hull_plot_2d(tri)