unit tests

2026-07-16 08:37:09 +00:00 · 2017-05-13 21:02:27 +03:00
parent bb0f74c6d9
commit dc90aab445
12 changed files with 512 additions and 6 deletions
@@ -0,0 +1,123 @@
+import unittest
+
+from cnc.coordinates import *
+
+
+class TestCoordinates(unittest.TestCase):
+    def setUp(self):
+        self.default = Coordinates(96, 102, 150)
+
+    def tearDown(self):
+        pass
+
+    def test_constructor(self):
+        # constructor rounds values to 10 digits after the point
+        self.assertRaises(TypeError, Coordinates)
+        c = Coordinates(1.00000000005, 2.00000000004, -3.5000000009)
+        self.assertEquals(c.x, 1.0000000001)
+        self.assertEquals(c.y, 2.0)
+        self.assertEquals(c.z, -3.5000000009)
+
+    def test_zero(self):
+        c = Coordinates(0, 0, 0)
+        self.assertTrue(c.is_zero())
+
+    def test_aabb(self):
+        # aabb - Axis Aligned Bounded Box.
+        # original method checks if point belongs aabb.
+        p1 = Coordinates(0, 0, 0)
+        p2 = Coordinates(2, 2, 2)
+        c = Coordinates(1, 1, 1)
+        self.assertTrue(c.is_in_aabb(p1, p2))
+        self.assertTrue(c.is_in_aabb(p2, p1))
+        c = Coordinates(0, 0, 0)
+        self.assertTrue(c.is_in_aabb(p1, p2))
+        c = Coordinates(2, 2, 2)
+        self.assertTrue(c.is_in_aabb(p1, p2))
+        c = Coordinates(2, 3, 2)
+        self.assertFalse(c.is_in_aabb(p1, p2))
+        c = Coordinates(-1, 1, 1)
+        self.assertFalse(c.is_in_aabb(p1, p2))
+        c = Coordinates(1, 1, 3)
+        self.assertFalse(c.is_in_aabb(p1, p2))
+
+    def test_length(self):
+        c = Coordinates(-1, 0, 0)
+        self.assertEquals(c.length(), 1)
+        c = Coordinates(0, 3, -4)
+        self.assertEquals(c.length(), 5)
+        c = Coordinates(3, 4, 12)
+        self.assertEquals(c.length(), 13)
+
+    def test_round(self):
+        # round works in another way then Python's round.
+        # This round() rounds digits with specified step.
+        c = Coordinates(1.5, -1.4, 3.05)
+        r = c.round(1)
+        self.assertEquals(r.x, 2.0)
+        self.assertEquals(r.y, -1.0)
+        self.assertEquals(r.z, 3.0)
+        r = c.round(0.25)
+        self.assertEquals(r.x, 1.5)
+        self.assertEquals(r.y, -1.5)
+        self.assertEquals(r.z, 3.0)
+
+    def test_max(self):
+        self.assertEquals(self.default.find_max(), max(self.default.x,
+                                                       self.default.y,
+                                                       self.default.z))
+
+    # build-in function overriding tests
+    def test_add(self):
+        r = self.default + Coordinates(1, 2, 3)
+        self.assertEquals(r.x, self.default.x + 1)
+        self.assertEquals(r.y, self.default.y + 2)
+        self.assertEquals(r.z, self.default.z + 3)
+
+    def test_sub(self):
+        r = self.default - Coordinates(1, 2, 3)
+        self.assertEquals(r.x, self.default.x - 1)
+        self.assertEquals(r.y, self.default.y - 2)
+        self.assertEquals(r.z, self.default.z - 3)
+
+    def test_mul(self):
+        r = self.default * 2
+        self.assertEquals(r.x, self.default.x * 2)
+        self.assertEquals(r.y, self.default.y * 2)
+        self.assertEquals(r.z, self.default.z * 2)
+
+    def test_div(self):
+        r = self.default / 2
+        self.assertEquals(r.x, self.default.x / 2)
+        self.assertEquals(r.y, self.default.y / 2)
+        self.assertEquals(r.z, self.default.z / 2)
+
+    def test_truediv(self):
+        r = self.default / 3.0
+        self.assertEquals(r.x, self.default.x / 3.0)
+        self.assertEquals(r.y, self.default.y / 3.0)
+        self.assertEquals(r.z, self.default.z / 3.0)
+
+    def test_eq(self):
+        a = Coordinates(self.default.x, self.default.y, self.default.z)
+        self.assertTrue(a == self.default)
+        a = Coordinates(-self.default.x, self.default.y, self.default.z)
+        self.assertFalse(a == self.default)
+        a = Coordinates(self.default.x, -self.default.y, self.default.z)
+        self.assertFalse(a == self.default)
+        a = Coordinates(self.default.x, self.default.y, -self.default.z)
+        self.assertFalse(a == self.default)
+
+    def test_str(self):
+        self.assertTrue(isinstance(str(self.default), str))
+
+    def test_abs(self):
+        c = Coordinates(-1, -2.5, -99)
+        r = abs(c)
+        self.assertEquals(r.x, 1.0)
+        self.assertEquals(r.y, 2.5)
+        self.assertEquals(r.z, 99.0)
+
+
+if __name__ == '__main__':
+    unittest.main()