add test

libpysal/graph/_plotting.py

@@ -212,8 +212,8 @@ def _explore_graph(
             focal = [focal]
         adj = adj[adj["focal"].isin(focal)].reset_index()
 
-    origins = gdf.loc[adj.focal].get_coordinates().values
-    destinations = gdf.loc[adj.neighbor].get_coordinates().values
+    origins = gdf.loc[adj.focal].geometry.get_coordinates().values
+    destinations = gdf.loc[adj.neighbor].geometry.get_coordinates().values
     lines = gpd.GeoSeries(
         shapely.linestrings(np.hstack([origins, destinations]).reshape(-1, 2, 2)),
         crs=gdf.crs,

libpysal/graph/tests/test_plotting.py

@@ -5,6 +5,7 @@
 import shapely
 
 from libpysal import graph
+from libpysal.graph.tests.test_utils import fetch_map_string
 
 matplotlib = pytest.importorskip("matplotlib")
 
@@ -253,3 +254,28 @@ def test_focal_kws(self):
         np.testing.assert_array_equal(
             pathcollection_focal.get_facecolor(), np.array([[0.0, 0.0, 1.0, 1.0]])
         )
+
+    def test_explore(self):
+        m = self.G_str.explore(self.nybb_str)
+        s = fetch_map_string(m)
+
+        assert '"focal":"Queens","neighbor":"Bronx","weight":1}' in s
+        assert s.count("black") ==20
+        assert s.count("Brooklyn") ==6
+
+    def test_explore_options(self):
+        m = self.nybb.explore(tiles="CartoDB Positron", tooltip=False)
+        m = self.G_str.explore(self.nybb_str, m=m)
+        m = self.G_str.explore(
+            self.nybb_str,
+            focal="Queens",
+            m=m,
+            edge_kws={"color": "red"},
+            focal_kws={"color": "blue", "marker_kwds": {"radius": 8}},
+        )
+        s = fetch_map_string(m)
+        assert s.count("Manhattan") == 12
+        assert s.count("Queens") == 14
+        assert s.count("Brooklyn") == 10
+        assert s.count("black") == 25
+        assert '"focal":"Queens","neighbor":"Bronx","weight":1}' in s

libpysal/graph/tests/test_utils.py

@@ -132,3 +132,8 @@ def test_validate_raises(
         _validate_geometry_input(
             numpy.arange(20).reshape(-1, 2), valid_geometry_types=contiguity_types
         )
+
+def fetch_map_string(m):
+    out = m._parent.render()
+    out_str = "".join(out.split())
+    return out_str