update tests to unittest2 (or unittest py2.7)

surf/test/subd/test_cc.py

@@ -0,0 +1,47 @@
+import json
+import os
+import unittest
+
+from surf.geometry import PolygonMesh
+from surf.subd import cc
+
+
+class TestCC(unittest.TestCase):
+
+    def setUp(self):
+        path, file_name = os.path.split(__file__)
+        self.samples_dir = os.path.join(path, os.pardir, os.pardir, os.pardir,
+                'blender', 'samples')
+        cube_file_name = os.path.join(self.samples_dir, 'cube.json')
+        with open(cube_file_name, 'r') as cube_file:
+            self.cube = json.load(cube_file)
+        cube_file_name = os.path.join(self.samples_dir,
+                'cube-blender-cc-1.json')
+        with open(cube_file_name, 'r') as cube_file:
+            self.cube1 = json.load(cube_file)
+
+    def test_refined_vertex_location(self):
+        p = PolygonMesh(**self.cube)
+        p2 = cc.refine(p)
+        v2 = [list(i) for i in p2.vertices]
+        for a, b in zip(sorted(self.cube1['vertices']), sorted(v2)):
+            for i in range(len(a)):
+                self.assertAlmostEqual(a[i], b[i])
+
+    def test_vert_count(self):
+        p = PolygonMesh(**self.cube)
+        p2 = cc.refine(p)
+        self.assertEqual(len(p2.vertices), 26)
+
+    def test_edge_count(self):
+        p = PolygonMesh(**self.cube)
+        p2 = cc.refine(p)
+        self.assertEqual(len(p2.edges), 48)
+
+    def test_face_count(self):
+        p = PolygonMesh(**self.cube)
+        p2 = cc.refine(p)
+        self.assertEqual(len(p2.faces), 24)
+
+if __name__ == '__main__':
+    unittest.main(verbosity=3)