Merge pull request #611 from jlaura/network_docs

stubbed in minimal tests

pysal/network/tests/test_network.py

@@ -0,0 +1,36 @@
+import pysal as ps
+import unittest
+
+class TestNetwork(unittest.TestCase):
+
+    def setUp(self):
+        self.ntw = ps.Network(ps.examples.get_path('geodanet/streets.shp'))
+
+    def tearDown(self):
+        pass
+
+    def test_extract_network(self):
+        self.assertEqual(len(self.ntw.edges), 303)
+        self.assertEqual(len(self.ntw.nodes), 230)
+
+        edgelengths = self.ntw.edge_lengths.values()
+        self.assertAlmostEqual(sum(edgelengths), 104414.0920159, places=5)
+
+
+        self.assertIn(0,self.ntw.adjacencylist[1])
+        self.assertIn(0, self.ntw.adjacencylist[2])
+        self.assertNotIn(0, self.ntw.adjacencylist[3])
+
+    def test_contiguity_weights(self):
+        w = self.ntw.contiguityweights(graph=False)
+
+        self.assertEqual(w.n, 303)
+        self.assertEqual(w.histogram,
+                         [(2, 35), (3, 89), (4, 105), (5, 61), (6, 13)])
+
+    def test_contiguity_weights_graph(self):
+        w = self.ntw.contiguityweights(graph=True)
+
+        self.assertEqual(w.n, 179)
+        self.assertEqual(w.histogram,
+                         [(2, 2), (3, 2), (4, 45), (5, 82), (6, 48)])