def setUp(self):
# Probamos con el triangulo:
# (0,0) (20,0) (10,1)
self.function = TriangularFunction(
Point(0, 0),
Point(20, 0),
Point(10, 1)
)
class TriangularTests(unittest.TestCase):
def setUp(self):
# Probamos con el triangulo:
# (0,0) (20,0) (10,1)
self.function = TriangularFunction(
Point(0, 0),
Point(20, 0),
Point(10, 1)
)
def test_evaluate_equal_to_A(self):
self.assertEqual(self.function.evaluate(0), 0)
def test_evaluate_equal_to_B(self):
self.assertEqual(self.function.evaluate(20), 0)
def test_evaluate_lower_than_A(self):
self.assertEqual(self.function.evaluate(-1), 0)
def test_evaluate_greather_than_B(self):
self.assertEqual(self.function.evaluate(21), 0)
def test_evaluate_between_A_C(self):
self.assertEqual(self.function.evaluate(5), 0.5)
def test_evaluate_between_C_B(self):
self.assertEqual(self.function.evaluate(15), 0.5)
def test_evaluate_in_the_middle(self):
self.assertEqual(self.function.evaluate(10), 1)
def test_truncate_middle(self):
func = self.function.truncate(0.5)
self.assertIsInstance(func, TrapezoidalFunction)
self.assertEqual(func.a, self.function.a)
self.assertEqual(func.b, self.function.b)
self.assertEqual(func.c, Point(5, 0.5))
self.assertEqual(func.d, Point(15, 0.5))
def test_truncate_higher(self):
func = self.function.truncate(1.1)
self.assertIsInstance(func, TriangularFunction)
self.assertEqual(func.a, self.function.a)
self.assertEqual(func.b, self.function.b)
self.assertEqual(func.c, self.function.c)
def test_truncate_zero(self):
func = self.function.truncate(0)
self.assertIsInstance(func, TrapezoidalFunction)
self.assertEqual(func.a, self.function.a)
self.assertEqual(func.b, self.function.b)
self.assertEqual(func.c, self.function.a)
self.assertEqual(func.d, self.function.b)
def test_truncate_triangle_rectangle(self):
# Cambiamos los puntos para que sea un triangulo rectangulo
self.function.b = Point(10, 0)
self.function.c = Point(10, 1)
func = self.function.truncate(0.5)
self.assertIsInstance(func, TrapezoidalFunction)
self.assertEqual(func.a, self.function.a)
self.assertEqual(func.b, self.function.b)
self.assertEqual(func.c, Point(5, 0.5))
self.assertEqual(func.d, Point(10, 0.5))
