# -*- coding: utf-8 -*-
from unittest import TestCase
from ....Classes.PolarArc import PolarArc
from ....Classes.Arc1 import Arc1
from ....Classes.Segment import Segment
from numpy import pi
from mock import MagicMock
from ddt import ddt, data
# Dictionary to test rotate
rotate_test = list()
rotate_test.append({"ref": 1, "angle": pi / 4, "H": 2, "alpha": pi / 2, "exp_ref": 1j})
rotate_test.append({"ref": 1j, "angle": pi / 4, "H": 2, "alpha": -pi / 2, "exp_ref": 1})
rotate_test.append(
{"ref": 1 + 1j, "angle": pi / 2, "H": 1, "alpha": pi / 2, "exp_ref": -1 + 1j}
)
# Dictionary to test translate
translate_test = list()
translate_test.append(
{"ref": 1, "angle": pi / 4, "H": 2, "delta": 1j, "exp_ref": 1 + 1j}
)
translate_test.append(
{"ref": 1j, "angle": pi / 4, "H": 2, "delta": -2, "exp_ref": -2 + 1j}
)
translate_test.append(
{"ref": 1 + 1j, "angle": pi / 2, "H": 1, "delta": 1 + 1j, "exp_ref": 2 + 2j}
)
[docs]@ddt
class test_PolarArc_meth(TestCase):
"""Unittest for PolarArc methods"""
@data(*rotate_test)
def test_rotate(self, test_dict):
"""Check that you can rotate the polararc
"""
surface = PolarArc(
label="test",
point_ref=test_dict["ref"],
angle=test_dict["angle"],
height=test_dict["H"],
)
surface.rotate(test_dict["alpha"])
self.assertAlmostEqual(abs(surface.point_ref - test_dict["exp_ref"]), 0)
self.assertAlmostEqual(abs(surface.angle - test_dict["angle"]), 0)
self.assertAlmostEqual(abs(surface.height - test_dict["H"]), 0)
@data(*translate_test)
def test_translate(self, test_dict):
"""Check that you can translate the polararc
"""
surface = PolarArc(
label="test",
point_ref=test_dict["ref"],
angle=test_dict["angle"],
height=test_dict["H"],
)
surface.translate(test_dict["delta"])
self.assertAlmostEqual(abs(surface.point_ref - test_dict["exp_ref"]), 0)
self.assertAlmostEqual(abs(surface.angle - test_dict["angle"]), 0)
self.assertAlmostEqual(abs(surface.height - test_dict["H"]), 0)
[docs] def test_get_lines(self):
"""Check that you get the correct lines to drow the polar arc
"""
surface = PolarArc(label="test", point_ref=0, angle=pi / 4, height=2)
lines = surface.get_lines()
cpt_Arc1 = 0
cpt_Segment = 0
for line in lines:
self.assertTrue(type(line) in [Arc1, Segment])
if isinstance(line, Arc1):
cpt_Arc1 += 1
elif isinstance(line, Segment):
cpt_Segment += 1
self.assertEqual(cpt_Arc1, 2)
self.assertEqual(cpt_Segment, 2)
[docs] def test_comp_length(self):
"""Check that you can compute the length of the polar arc
"""
surface = PolarArc(label="test", point_ref=1, angle=pi / 4, height=2)
surface.get_lines = MagicMock(return_value=[Segment(begin=0, end=1)])
length = surface.comp_length()
expected = 1
self.assertAlmostEqual(abs(length - expected), 0)
