def test_sort_points_singleelement(self):
"test sort_points_on_circle one element list"
sorted_list = pp.sort_points_on_circle([Vec2D(1, 0)], Circle())
self.assertTrue(len(sorted_list) == 1)
self.assertTrue(sorted_list[0] == Vec2D(1, 0))
def test_sort_points_singleelement(self):
"test sort_points_on_circle one element list"
sorted_list = pp.sort_points_on_circle([Vec2D(1, 0)], Circle())
self.assertTrue(len(sorted_list) == 1)
self.assertTrue(sorted_list[0] == Vec2D(1, 0))
def test_neighs_circle_one_element(self):
"single point has no neighbours"
points = [Vec2D(1, 0)]
circle = Circle()
(pos, neg) = pp.neighbours_on_circle(points, circle, Vec2D(1, 0))
self.assertTrue(pos is None)
self.assertTrue(neg is None)
def test_neighs_circle_one_element(self):
"single point has no neighbours"
points = [Vec2D(1, 0)]
circle = Circle()
(pos, neg) = pp.neighbours_on_circle(points, circle, Vec2D(1, 0))
self.assertTrue(pos is None)
self.assertTrue(neg is None)
def test_neighs_circle_two_elements(self):
"point has only one neighbour"
point1 = Vec2D(1, 0)
point2 = point1.rotate(pi/2)
points = [point1, point2]
(pos, neg) = pp.neighbours_on_circle(points, Circle(), point1)
self.assertTrue(pos == point2)
self.assertTrue(neg == point2)
def test_neighs_circle_two_elements(self):
"point has only one neighbour"
point1 = Vec2D(1, 0)
point2 = point1.rotate(pi / 2)
points = [point1, point2]
(pos, neg) = pp.neighbours_on_circle(points, Circle(), point1)
self.assertTrue(pos == point2)
self.assertTrue(neg == point2)
def test_start_circles(self):
"test generation of starting circles"
pos = Vec2D()
direction = Vec2D(0, 1)
pos_circ = Circle(Vec2D(-1, 0), 1)
neg_circ = Circle(Vec2D(1, 0), 1)
(test_pos, test_neg) = pp.get_start_circles(pos, direction, 1)
self.assertTrue(test_pos == pos_circ)
self.assertTrue(test_neg == neg_circ)
def test_start_circles(self):
"test generation of starting circles"
pos = Vec2D()
direction = Vec2D(0, 1)
pos_circ = Circle(Vec2D(-1, 0), 1)
neg_circ = Circle(Vec2D(1, 0), 1)
(test_pos, test_neg) = pp.get_start_circles(pos, direction, 1)
self.assertTrue(test_pos == pos_circ)
self.assertTrue(test_neg == neg_circ)
def test_all_tangents_simple2(self):
"test that all_tangents returns all tangents of a circle \
and a polygon and additionally all sides of the polygon"
circ = Circle(Vec2D(4, 4), 1)
poly = dummy_polygon()
correct_tans = circ.tangent_polygon(poly) + poly.sides
to_test = pp.all_tangents([circ], [poly])
verificator = all(test in correct_tans for test in to_test)
self.assertTrue(verificator)
def test_all_tangents_simple1(self):
"test that all_tangents returns all tangents of two circles \
when only those 2 circles are present"
circ1 = Circle(Vec2D(-2, 0), 1)
circ2 = Circle(Vec2D(2, 0), 1)
tangents = circ1.tangent_circle(circ2)
to_test = pp.all_tangents([circ1, circ2], [])
verificator = all(test in tangents for test in to_test)
self.assertTrue(verificator)
def test_neighs_circle_general(self):
"point has two distinct neighbours"
point1 = Vec2D(1, 0)
point2 = point1.rotate(pi/2)
point3 = point1.rotate(pi)
point4 = point1.rotate(-pi/2)
unsorted = [point2, point4, point3, point1]
(pos, neg) = pp.neighbours_on_circle(unsorted, Circle(), Vec2D(1, 0))
self.assertTrue(pos == point2)
self.assertTrue(neg == point4)
def test_neighs_circle_general(self):
"point has two distinct neighbours"
point1 = Vec2D(1, 0)
point2 = point1.rotate(pi / 2)
point3 = point1.rotate(pi)
point4 = point1.rotate(-pi / 2)
unsorted = [point2, point4, point3, point1]
(pos, neg) = pp.neighbours_on_circle(unsorted, Circle(), Vec2D(1, 0))
self.assertTrue(pos == point2)
self.assertTrue(neg == point4)
def test_all_tangents_simple1(self):
"test that all_tangents returns all tangents of two circles \
when only those 2 circles are present"
circ1 = Circle(Vec2D(-2, 0), 1)
circ2 = Circle(Vec2D(2, 0), 1)
tangents = circ1.tangent_circle(circ2)
to_test = pp.all_tangents([circ1, circ2], [])
verificator = all(test in tangents for test in to_test)
self.assertTrue(verificator)
def test_all_tangents_simple2(self):
"test that all_tangents returns all tangents of a circle \
and a polygon and additionally all sides of the polygon"
circ = Circle(Vec2D(4, 4), 1)
poly = dummy_polygon()
correct_tans = circ.tangent_polygon(poly) + poly.sides
to_test = pp.all_tangents([circ], [poly])
verificator = all(test in correct_tans for test in to_test)
self.assertTrue(verificator)
def test_sort_points_general(self):
"general test on unit circle"
point1 = Vec2D(1, 0)
point2 = point1.rotate(pi/2)
point3 = point1.rotate(pi)
point4 = point1.rotate(-pi/2)
unsorted = [point2, point4, point3, point1]
to_test = pp.sort_points_on_circle(unsorted, Circle())
self.assertTrue(len(to_test) == 4)
self.assertTrue(to_test[0] == point2)
self.assertTrue(to_test[1] == point3)
self.assertTrue(to_test[2] == point4)
self.assertTrue(to_test[3] == point1)
def test_sort_points_general(self):
"general test on unit circle"
point1 = Vec2D(1, 0)
point2 = point1.rotate(pi / 2)
point3 = point1.rotate(pi)
point4 = point1.rotate(-pi / 2)
unsorted = [point2, point4, point3, point1]
to_test = pp.sort_points_on_circle(unsorted, Circle())
self.assertTrue(len(to_test) == 4)
self.assertTrue(to_test[0] == point2)
self.assertTrue(to_test[1] == point3)
self.assertTrue(to_test[2] == point4)
self.assertTrue(to_test[3] == point1)
def test_sort_points_empty(self):
"test sort_points_on_circle on empty list"
self.assertTrue(not pp.sort_points_on_circle([], Circle()))
def test_sort_points_empty(self):
"test sort_points_on_circle on empty list"
self.assertTrue(not pp.sort_points_on_circle([], Circle()))