update tests to unittest2 (or unittest py2.7)

2012-06-08 11:47:19 -06:00
parent a45c84c183
commit 7559887e0f
7 changed files with 4 additions and 28 deletions
@@ -0,0 +1,86 @@
+import unittest
+
+from surf.geometry import Vertex
+
+
+class TestVertex(unittest.TestCase):
+
+    def setUp(self):
+        self.origin = Vertex(0, 0, 0)
+        self.v1 = Vertex(-1, -1, -1)
+        self.v2 = Vertex(1, 1, 1)
+
+        self.v3 = Vertex(5, 4, 3)
+        self.v4 = Vertex(10, -2, 13)
+        self.v5 = Vertex(-4, 15.3, 100)
+
+    def test_addition(self):
+        added_v = self.v1 + self.v2
+        self.assertEqual(added_v, self.origin)
+        self.assertEqual(self.v3 + self.v4, Vertex(15, 2, 16))
+
+    def test_summation(self):
+        v = sum((self.v1, self.v2, self.v3, self.v4), Vertex())
+        self.assertEqual(v, Vertex(15, 2, 16))
+        v = sum((self.v1, self.v2, self.v3, self.v4, self.v5), Vertex())
+        self.assertEqual(v, Vertex(11, 17.3, 116))
+
+    def test_float_int_division(self):
+        v1 = self.v1 / 2
+        v2 = self.v1 / 2.0
+        self.assertEqual(v1, v2)
+
+    def test_division(self):
+        v1 = Vertex(36, 12, 48)
+        v2 = v1 / 12
+        self.assertEqual(v2, Vertex(3, 1, 4))
+        v1 = Vertex(36.0, 12.0, 48.0)
+        v2 = v1 / 12.0
+        self.assertEqual(v2, Vertex(3.0, 1.0, 4.0))
+        v1 = Vertex(36, 12, 48)
+        v2 = v1 / 12.0
+        self.assertEqual(v2, Vertex(3, 1, 4))
+        v1 = Vertex(36., 12., 48.)
+        v2 = v1 / 12
+        self.assertEqual(v2, Vertex(3.0, 1.0, 4.0))
+
+    def test_inappropriate_division(self):
+        with self.assertRaises(TypeError):
+            self.v1 / self.v2
+        with self.assertRaises(TypeError):
+            1.0 / self.v1
+        with self.assertRaises(TypeError):
+            self.v1 / 'asdf'
+
+    def test_multiply(self):
+        self.assertEqual(type(self.v1 * 2), Vertex)
+        self.assertEqual(type(self.v1 * self.v1), Vertex)
+        self.assertEqual(self.v1 * 2, Vertex(-2, -2, -2))
+        self.assertEqual(self.v1 * self.v1, Vertex(0, 0, 0))
+        self.assertEqual(self.v1 * self.v2, Vertex(0, 0, 0))
+        self.assertEqual(self.v3 * self.v4, Vertex(58, -35, -50))
+
+    def test_cross(self):
+        i = Vertex(1, 0, 0)
+        j = Vertex(0, 1, 0)
+        k = Vertex(0, 0, 1)
+
+        self.assertEqual(i * j, k)
+        self.assertEqual(j * k, i)
+        self.assertEqual(k * i, j)
+
+        self.assertEqual(j * i, -k)
+        self.assertEqual(k * j, -i)
+        self.assertEqual(i * k, -j)
+
+        self.assertEqual(i * i, self.origin)
+        self.assertEqual(j * j, self.origin)
+        self.assertEqual(k * k, self.origin)
+
+    def test_negative(self):
+        self.assertEqual(-self.v1, self.v2)
+        self.assertEqual(-self.v2, self.v1)
+
+
+if __name__ == '__main__':
+    unittest.main(verbosity=3)