def readLines(fileName, ignoreDiagonals=False):
pattern = re.compile(r"(\d+),(\d+) -> (\d+),(\d+)")
for line in base.getInputLines(fileName):
match = pattern.match(line)
if match:
x1, y1, x2, y2 = match.groups()
if not ignoreDiagonals or x1 == x2 or y1 == y2:
yield lines.Line((x1, y1), (x2, y2))
def test_monopoint_1_4(self):
point = (1, 4)
l = lines.Line(point, point)
self.assertEqual([point], list(l.points()))
def test_monopoint_neg2_3(self):
point = (-2, 3)
l = lines.Line(point, point)
self.assertEqual([point], list(l.points()))
def test_line_vertical_up_right(self):
offset = 9
points = [(offset, i) for i in range(-5, 6)]
# print(points)
l = lines.Line(points[0], points[-1])
self.assertEqual(points, list(l.points()))
def test_monopoint_origin(self):
point = (0, 0)
l = lines.Line(point, point)
self.assertEqual([point], list(l.points()))
def test_line_horizontal_ltor_origin(self):
points = [(i, 0) for i in range(-5, 6)]
# print(points)
l = lines.Line(points[0], points[-1])
self.assertEqual(points, list(l.points()))
def test_line_vertical_up_origin(self):
points = [(0, i) for i in range(-5, 6)]
# print(points)
l = lines.Line(points[0], points[-1])
self.assertEqual(points, list(l.points()))
def test_line_45_degrees_above(self):
offset = 2
points = [(i, i + offset) for i in range(-5, 6)]
# print(points)
l = lines.Line(points[0], points[-1])
self.assertEqual(points, list(l.points()))
def test_line_horizontal_ltor_below(self):
offset = 2
points = [(i, -offset) for i in range(-5, 6)]
# print(points)
l = lines.Line(points[0], points[-1])
self.assertEqual(points, list(l.points()))
def test_line_135_degrees_origin(self):
points = [(-i, i) for i in range(-5, 6)]
# print(points)
l = lines.Line(points[0], points[-1])
self.assertEqual(points, list(l.points()))
def test_line_135_degrees_below(self):
offset = 1
points = [(-i, i - offset) for i in range(-5, 6)]
# print(points)
l = lines.Line(points[0], points[-1])
self.assertEqual(points, list(l.points()))
def test_monopoint_5_neg1(self):
point = (5, -1)
l = lines.Line(point, point)
self.assertEqual([point], list(l.points()))
