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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Author: Hamilton Kibbe <ham@hamiltonkib.be>
from ..primitives import *
from tests import *
def test_line_angle():
""" Test Line primitive angle calculation
"""
cases = [((0, 0), (1, 0), math.radians(0)),
((0, 0), (1, 1), math.radians(45)),
((0, 0), (0, 1), math.radians(90)),
((0, 0), (-1, 1), math.radians(135)),
((0, 0), (-1, 0), math.radians(180)),
((0, 0), (-1, -1), math.radians(225)),
((0, 0), (0, -1), math.radians(270)),
((0, 0), (1, -1), math.radians(315)),]
for start, end, expected in cases:
l = Line(start, end, 0)
line_angle = (l.angle + 2 * math.pi) % (2 * math.pi)
assert_almost_equal(line_angle, expected)
def test_line_bounds():
""" Test Line primitive bounding box calculation
"""
cases = [((0, 0), (1, 1), ((0, 1), (0, 1))),
((-1, -1), (1, 1), ((-1, 1), (-1, 1))),
((1, 1), (-1, -1), ((-1, 1), (-1, 1))),
((-1, 1), (1, -1), ((-1, 1), (-1, 1))),]
for start, end, expected in cases:
l = Line(start, end, 0)
assert_equal(l.bounding_box, expected)
def test_arc_radius():
""" Test Arc primitive radius calculation
"""
cases = [((-3, 4), (5, 0), (0, 0), 5),
((0, 1), (1, 0), (0, 0), 1),]
for start, end, center, radius in cases:
a = Arc(start, end, center, 'clockwise', 0)
assert_equal(a.radius, radius)
def test_arc_sweep_angle():
""" Test Arc primitive sweep angle calculation
"""
cases = [((1, 0), (0, 1), (0, 0), 'counterclockwise', math.radians(90)),
((1, 0), (0, 1), (0, 0), 'clockwise', math.radians(270)),
((1, 0), (-1, 0), (0, 0), 'clockwise', math.radians(180)),
((1, 0), (-1, 0), (0, 0), 'counterclockwise', math.radians(180)),]
for start, end, center, direction, sweep in cases:
a = Arc(start, end, center, direction, 0)
assert_equal(a.sweep_angle, sweep)
def test_arc_bounds():
""" Test Arc primitive bounding box calculation
"""
cases = [((1, 0), (0, 1), (0, 0), 'clockwise', ((-1, 1), (-1, 1))),
((1, 0), (0, 1), (0, 0), 'counterclockwise', ((0, 1), (0, 1))),
#TODO: ADD MORE TEST CASES HERE
]
for start, end, center, direction, bounds in cases:
a = Arc(start, end, center, direction, 0)
assert_equal(a.bounding_box, bounds)
def test_circle_radius():
""" Test Circle primitive radius calculation
"""
c = Circle((1, 1), 2)
assert_equal(c.radius, 1)
def test_circle_bounds():
""" Test Circle bounding box calculation
"""
c = Circle((1, 1), 2)
assert_equal(c.bounding_box, ((0, 2), (0, 2)))
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