def test_calculate_area(self):
name = 'Test1'
side1 = 12
side2 = 13
side3 = 14
expected_area = 72.31
actual_area = Triangle(name, side1, side2, side3).area
self.assertEqual(actual_area, expected_area)
def test_make3(self): self.assertEqual(Triangle(1, 2, 3, 6, 2, 8).make3(), [ Triangle(1, 2, 3, 6, 2, 5), Triangle(3, 6, 2, 8, 2, 5), Triangle(1, 2, 2, 8, 2, 5) ]) self.assertEqual(Triangle(-12, 3, 5, 9, 2, -3).make3(), [ Triangle(- 12, 3, 5, 9, -2, 3), Triangle(5, 9, 2, -3, -2, 3), Triangle(-12, 3, 2, -3, -2, 3) ])
def test_eq_tri(self):
self.assertEqual(self.t1 == Triangle(1,2,1,3,2,2), True)
self.assertEqual(self.t1 == Triangle(1, 2, 2, 2, 1, 3), True)
self.assertEqual(self.t1 == Triangle(1, 3, 1, 2, 2, 2), True)
self.assertEqual(self.t1 == Triangle(1, 3, 2, 2, 1, 2), True)
self.assertEqual(self.t1 == Triangle(2, 2, 1, 3, 1, 2), True)
self.assertEqual(self.t1 == Triangle(2, 2, 1, 2, 1, 3), True)
self.assertEqual(self.t1 == Triangle(1,1,2,1,3,3), False)
def test_triangle_area(self):
options = [
[(1, 2, 3), None],
[(1, 2, 30), None],
[(2, 2, 2), 1.0],
[(2.0, 2.0, 2.0), 1.0],
[(100, 100, 100), 353.5534],
]
for sides, result in options:
self.assertEqual(Triangle.triangle_area(sides), result)
def makeCircle(radius, height):
# return list of triangles
circularPointCount = 20
center = Point(0, 0, 0)
points = []
for i in range(circularPointCount):
angle = (math.pi * 2 / circularPointCount) * i
x = math.cos(angle) * radius
z = math.sin(angle) * radius
y = z / 3
points.append(Point(x, y, z))
triangles = []
for p1, p2 in zip(points, points[1:] + points[:1]):
triangles.append(Triangle(p1, p2, center))
renderTriangles(triangles)
class TestTriangle(unittest.TestCase):
def setUp(self):
self.t1 = Triangle(1,2,1,3,2,2)
self.t2 = Triangle(1,2,2,4,1,3)
def test_init_tri(self):
with self.assertRaises(ValueError):
Triangle(1,1,1,1)
with self.assertRaises(ValueError):
Triangle(1,1,1,2,1,3)
def test_eq_tri(self):
self.assertEqual(self.t1 == Triangle(1,2,1,3,2,2), True)
self.assertEqual(self.t1 == Triangle(1, 2, 2, 2, 1, 3), True)
self.assertEqual(self.t1 == Triangle(1, 3, 1, 2, 2, 2), True)
self.assertEqual(self.t1 == Triangle(1, 3, 2, 2, 1, 2), True)
self.assertEqual(self.t1 == Triangle(2, 2, 1, 3, 1, 2), True)
self.assertEqual(self.t1 == Triangle(2, 2, 1, 2, 1, 3), True)
self.assertEqual(self.t1 == Triangle(1,1,2,1,3,3), False)
def test_center_tri(self):
self.assertEqual(self.t2.center(), Point(1,3.0))
self.assertNotEqual(self.t1.center(), Point(1,1))
def test_area_tri(self):
self.assertEqual(self.t1.area(), 0.5)
self.assertNotEqual(self.t1.area(), 1.0)
def test_move_tri(self):
self.assertEqual(self.t1.move(99,99), Triangle(100,101, 100,102, 101,101))
self.assertNotEqual(self.t1.move(99,99), Triangle(1,1,2,1,3,3))
def test_make4_tri(self):
self.assertEqual(self.t1.make4(), [Triangle(1, 2, 1.0, 2.5, 1.5, 2.0), Triangle(1.0, 2.5, 1, 3, 1.5, 2.5), Triangle(1.0, 2.5, 1.5, 2.0, 1.5, 2.5), Triangle(1.5, 2.0, 1.5, 2.5, 2, 2)])
def tearDown(self): pass
from triangles import Triangle trg1 = Triangle(-2, 1, 0, 5, 3, -2) trg2 = Triangle(-3, 0, 1, -4, 2, 1) trg1.__str__() trg2.__repr__() print trg1._eq_(trg2) print trg2._ne_(trg1)
def setUp(self):
self.t1 = Triangle(1,2,1,3,2,2)
self.t2 = Triangle(1,2,2,4,1,3)
def test_make4_tri(self):
self.assertEqual(self.t1.make4(), [Triangle(1, 2, 1.0, 2.5, 1.5, 2.0), Triangle(1.0, 2.5, 1, 3, 1.5, 2.5), Triangle(1.0, 2.5, 1.5, 2.0, 1.5, 2.5), Triangle(1.5, 2.0, 1.5, 2.5, 2, 2)])
def test_move_tri(self):
self.assertEqual(self.t1.move(99,99), Triangle(100,101, 100,102, 101,101))
self.assertNotEqual(self.t1.move(99,99), Triangle(1,1,2,1,3,3))
def test_init_tri(self):
with self.assertRaises(ValueError):
Triangle(1,1,1,1)
with self.assertRaises(ValueError):
Triangle(1,1,1,2,1,3)
def test_move(self): self.assertEqual(Triangle(1, 2, 3, 6, -2, -8).move(3, -1), Triangle(4, 1, 6, 5, 1, -9)) self.assertEqual(Triangle(-2, 3, 5, 9, 2, -3).move(1, 1), Triangle(-1, 4, 6, 10, 3, -2))
def test_area(self): self.assertEqual(Triangle(1, 2, 3, 6, 2, 8).area(), 4) self.assertEqual(Triangle(-10, -3, 3, 7, 6, 1).area(), 54) self.assertEqual(Triangle(-12, 3, 5, 9, 2, -3).area(), 93)
def test_center(self): self.assertEqual(Triangle(1, 2, 3, 6, 2, 8).center(), Point(2, 5)) self.assertEqual(Triangle(-12, 3, 5, 9, 2, -3).center(), Point(- 2, 3)) self.assertEqual(Triangle(-8, 2, 5, -8, 19, 2).center(), Point(16 / 3, - 4 / 3))
def test_eq(self): self.assertTrue(Triangle(1, 2, 3, 6.7, 0.2, -4) == Triangle(1, 2, 3, 6.7, 0.2, -4)) self.assertTrue(Triangle(1.5, 2, 3, 6.23, -1, -1) != Triangle(3, 6.23, -1, -1, 1.5, 2)) self.assertTrue(Triangle(5, 1, 12, 9, 2, 5) != Triangle(5, 1, 9, 2, 0.87, 4))
def test_print(self): self.assertEqual(str(Triangle(1, 2, 3, 6, 0, 5)), "[(1, 2), (3, 6), (0, 5)]") self.assertEqual(str(Triangle(5, -2.5, 8.23, 7, -1, -3)), "[(5, -2.5), (8.23, 7), (-1, -3)]") self.assertEqual(repr(Triangle(2, -2, 5, 5, 1, 7)), "Triangle(2, -2, 5, 5, 1, 7)")