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test_generations.py
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import contextlib
import filecmp
import io
import os
import tempfile
import unittest
from collections import namedtuple
import generate_basic_ramp
import generate_cycloid
import generate_helix
import generate_hypotrochoid
import generate_limacon
import generate_lissajous
import generate_snail
import generate_trig
import generate_tube
import generate_zigzag
Test = namedtuple('Test', ['name', 'model', 'args', 'gold_file'])
TESTS = [Test(name='Tube Basic',
model=generate_tube,
args=["--num_time_steps", "25",
"--tube_sides", "16",
"--slope_angle", "10"],
gold_file='test_files/tube_basic.stl'),
Test(name='Tube High Slope',
model=generate_tube,
args=["--num_time_steps", "25",
"--tube_sides", "16",
"--slope_angle", "45"],
gold_file='test_files/tube_slope.stl'),
Test(name='Tube Rotation',
model=generate_tube,
args=["--num_time_steps", "25",
"--tube_sides", "16",
"--slope_angle", "10",
"--rotation", "45"],
gold_file='test_files/tube_rotation.stl'),
Test(name='Helix Basic',
model=generate_helix,
args=["--slope_angle", "5",
"--helix_sides", "16",
"--tube_sides", "16"],
gold_file='test_files/helix_basic.stl'),
# test various alternate parameters for the helix
Test(name='Helix Adjusted',
model=generate_helix,
args=["--slope_angle", "4.5",
"--helix_sides", "10",
"--helix_radius", "17",
"--tube_sides", "15",
"--rotations", ".7"],
gold_file='test_files/helix_adjusted.stl'),
# test rotating the helix. also, test a helix with more than 1 rotation
Test(name='Helix Rotated',
model=generate_helix,
args=["--vertical_displacement", '30',
"--initial_rotation", '36',
"--helix_sides", "10",
"--helix_radius", "17",
"--tube_sides", "15",
"--rotations", "1.5"],
gold_file='test_files/helix_rotated.stl'),
# clockwise test starting from 0 rotation.
Test(name='Helix Clockwise',
model=generate_helix,
args=["--vertical_displacement", '30',
"--clockwise",
"--initial_rotation", '0',
"--helix_sides", "10",
"--helix_radius", "17",
"--tube_sides", "15",
"--rotations", "0.3"],
gold_file='test_files/helix_clockwise.stl'),
# clockwise test starting from 72 rotation.
Test(name='Helix Clockwise Rotated',
model=generate_helix,
args=["--vertical_displacement", '30',
"--clockwise",
"--initial_rotation", '72',
"--helix_sides", "10",
"--helix_radius", "17",
"--tube_sides", "15",
"--rotations", "1.5"],
gold_file='test_files/helix_clockwise_rotated.stl'),
Test(name='Basic Ramp',
model=generate_basic_ramp,
args=["--num_time_steps", "24",
"--tube_sides", "10",
"--slope_angle", "2.9"],
gold_file='test_files/basic_ramp.stl'),
Test(name='Basic Ramp Counterclockwise',
model=generate_basic_ramp,
args=["--num_time_steps", "24",
"--tube_sides", "10",
"--post_exit_counterclockwise",
"--slope_angle", "2.9"],
gold_file='test_files/basic_ramp_ccw.stl'),
Test(name='Basic Ramp Hole',
model=generate_basic_ramp,
args=["--num_time_steps", "24",
"--tube_sides", "10",
"--tube_radius", "10.5",
"--wall_thickness", "11",
"--post_effective_tube_radius", "12.5",
"--post_effective_wall_thickness", "2",
"--tube_start_angle", "0",
"--tube_end_angle", "360",
"--ramp_extension", "0.0",
"--slope_angle", "10"],
gold_file='test_files/basic_ramp_hole.stl'),
Test(name='Snail Same Side',
model=generate_snail,
args=["--num_time_steps", "36",
"--tube_sides", "8",
"--slope_angle", "3",
"--post_exit_clockwise",
"--post_entrance_clockwise",
"--tube_end_angle", "240",
"--overlaps", "((13, 23))",
"--overlap_separation", "37"],
gold_file='test_files/snail_same_side.stl'),
# note that this is testing the opposite side
Test(name='Snail Same Side Hole',
model=generate_snail,
args=["--num_time_steps", "36",
"--tube_sides", "8",
"--slope_angle", "3",
"--post_exit_counterclockwise",
"--post_entrance_counterclockwise",
"--tube_end_angle", "360",
"--overlaps", "((13, 23))",
"--overlap_separation", "37",
"--wall_thickness", "11",
"--tube_radius", "10.5",
"--post_effective_tube_radius", "12.5",
"--post_effective_wall_thickness", "2"],
gold_file='test_files/snail_same_side_hole.stl'),
Test(name='Snail Opposite Sides',
model=generate_snail,
args=["--num_time_steps", "36",
"--tube_sides", "8",
"--slope_angle", "3",
"--post_exit_counterclockwise",
"--post_entrance_clockwise",
"--tube_end_angle", "240",
"--overlaps", "((13, 23))",
"--overlap_separation", "37"],
gold_file='test_files/snail_opposite_sides.stl'),
Test(name='Limacon Basic',
model=generate_limacon,
args=["--time_steps", "30",
"--tube_sides", "10"],
gold_file='test_files/limacon_basic.stl'),
Test(name='Limacon Hole',
model=generate_limacon,
args=["--tube_radius", "10.5",
"--wall_thickness", "11",
"--tube_start_angle", "0",
"--tube_end_angle", "360",
"--time_steps", "30",
"--tube_sides", "10"],
gold_file='test_files/limacon_hole.stl'),
Test(name='Limacon Stretched',
model=generate_limacon,
args=['--time_steps', '30',
'--tube_sides', '10',
'--length', '200',
'--cosine_factor', '2.5',
'--constant_factor', '1.5'],
gold_file='test_files/limacon_stretched.stl'),
Test(name='Cycloid with two loops',
model=generate_cycloid,
args=["--extra_t", "0.1",
"--scale", "32.3547",
"--slope_angle", "3.0",
"--tube_method", "oval",
"--tube_wall_height", "6",
"--overlaps", "((.16675,1.40405),(-.16675,-1.40405))",
"--overlap_separation", "25",
"--tube_sides", "10",
"--num_time_steps", "40"],
gold_file='test_files/cycloid_two_loops.stl'),
# Test that the extra_t production works at a different angle
Test(name='Cycloid with two omegas',
model=generate_cycloid,
args=["--extra_t", "0.3",
"--slope_angle", "9.0",
"--tube_method", "ellipse",
"--scale", "40",
"--x_coeff", "-0.8",
"--x_t_coeff", "4",
"--y0", "0",
"--y_coeff", "1.5",
"--y_t_coeff", "2",
"--y_phase", "1.5708",
"--min_domain", "-1.5708",
"--max_domain", "1.5708",
"--no_use_sign",
"--tube_sides", "10",
"--num_time_steps", "40"],
gold_file='test_files/cycloid_two_omegas.stl'),
# Test overhangs on both start & end angle
Test(name='Cycloid with two omegas and overhangs',
model=generate_cycloid,
args=["--extra_t", "0.0",
"--slope_angle", "9.0",
"--tube_method", "ellipse",
"--scale", "40",
"--x_coeff", "-0.8",
"--x_t_coeff", "4",
"--y0", "0",
"--y_coeff", "1.5",
"--y_t_coeff", "2",
"--y_phase", "1.5708",
"--min_domain", "-0.5",
"--max_domain", "0.5",
"--no_use_sign",
"--tube_sides", "8",
"--tube_end_angle", "((-0.2,240),(0.0,180))",
"--tube_start_angle", "((0.0,0),(0.2,-60))",
"--num_time_steps", "40"],
gold_file='test_files/cycloid_two_omegas_overhangs.stl'),
# This tests a variety of cycloid arguments and the old style
# of smoothing kinks
Test(name='Cycloid with crazy shape',
model=generate_cycloid,
args=["--extra_t", "0.0",
"--min_domain", "-2.3562",
"--max_domain", "2.3562",
"--x_coeff", "-1",
"--y0", "0.0",
"--y_coeff", "1.0",
"--y_t_coeff", "3",
"--scale", "46.3392",
"--no_use_sign",
"--y_scale", "1.2",
"--y_phase", "1.5708",
"--reg_x", "0.4",
"--overlaps", "((0.95215,2.18945),(-0.95215,-2.18945))",
"--overlap_separation", "23",
"--slope_angle", "2.19",
"--tube_method", "ellipse",
"--wall_thickness", "2.5",
"--kinks", "(-0.3927, 0.3927)",
"--kink_width", "0.15",
"--kink_slope", "0.5",
"--tube_sides", "8",
"--num_time_steps", "80"],
gold_file='test_files/cycloid_crazy.stl'),
Test(name='Hypo with 3 leaves tube',
model=generate_hypotrochoid,
args=['--hypoA', '9',
'--hypoB', '3',
'--hypoC', '6',
'--start_t', '1.0472',
'--scale', '10',
'--tube_end_angle', '240',
'--slope_angle', '12',
'--regularization', '0.07',
'--tube_sides', '16',
'--num_time_steps', '80'],
gold_file='test_files/hypo_three_leaf_flower_tube.stl'),
Test(name='Hypo with 3 leaves tunnel',
model=generate_hypotrochoid,
args=['--hypoA', '9',
'--hypoB', '3',
'--hypoC', '6',
'--start_t', '1.0472',
'--scale', '10',
'--tube_end_angle', '360',
'--slope_angle', '12',
'--regularization', '0.07',
'--tube_sides', '12',
'--num_time_steps', '60'],
gold_file='test_files/hypo_three_leaf_flower_tunnel.stl'),
Test(name='Hypo with 3 leaves holes',
model=generate_hypotrochoid,
args=['--hypoA', '9',
'--hypoB', '3',
'--hypoC', '6',
'--start_t', '1.0472',
'--scale', '10',
'--tube_end_angle', '360',
'--slope_angle', '12',
'--regularization', '0.07',
'--tube_radius', '10.5',
'--wall_thickness', '11',
'--tube_sides', '12',
'--num_time_steps', '60'],
gold_file='test_files/hypo_three_leaf_flower_holes.stl'),
Test(name='Hypo with four leaves and a zero circle',
model=generate_hypotrochoid,
args=['--hypoA', '12',
'--hypoB', '3',
'--hypoC', '6',
'--slope_angle', '3',
'--tube_method', 'OVAL',
'--tube_wall_height', '7',
'--closest_approach', '26',
'--regularization', '0.05',
'--overlap_separation', '23',
'--overlaps', "((0.9117, 2.2299),(2.4825, 3.8007))",
'--zero_circle',
'--start_t', '0.88',
'--end_t', '3.83',
'--num_time_steps', '30',
'--zero_circle_sides', '8',
'--tube_sides', '14'],
gold_file='test_files/hypo_four_leaves_zero_circle.stl'),
Test(name='Hypo with single overlap',
model=generate_hypotrochoid,
args=["--hypoA", "12",
"--hypoB", "3",
"--hypoC", "6",
"--start_t", "0.5",
"--end_t", "2.5",
"--slope_angle", "5",
"--tube_method", "OVAL",
"--tube_wall_height", "7",
"--closest_approach", "26",
"--regularization", "0.05",
"--overlap_separation", "23",
"--overlaps", "(0.9117, 2.2299)",
"--tube_sides", "16",
"--num_time_steps", "40"],
gold_file='test_files/hypo_single_overlap.stl'),
Test(name='Hypo with 5 petals - tests rebalanced time',
model=generate_hypotrochoid,
args=["--hypoA", "15",
"--hypoB", "6",
"--hypoC", "8.2",
"--tube_wall_height", "6",
"--slope_angle", "3",
"--scale", "37",
"--regularization", "0.27",
"--overlap_separation", "25",
"--overlaps", "(1.382,3.644)",
"--start_t", "1.3066", "--end_t", "3.7",
"--regularization_radius", "0.2",
"--rebalance_time",
"--num_time_steps", "20",
"--tube_sides", "10"],
gold_file='test_files/hypo_rebalance_time.stl'),
# test a shallow roof
Test(name='Hypo segment with triangle roof (30) and overlap',
model=generate_hypotrochoid,
args=["--hypoA", "3",
"--hypoB", "5",
"--hypoC", "2",
"--slope_angle", "8",
"--scale", "15",
"--start_t", "7",
"--end_t", "14",
"--tube_method", "TRIANGLE_TOP",
"--tube_radius", "10.5",
"--wall_thickness", "11",
"--overlaps", "(8.2279,12.7160)",
"--overlap_separation", "40",
"--tube_roof_angle", "30",
"--num_time_steps", "35",
"--tube_sides", "12"],
gold_file='test_files/hypo_triangle_30.stl'),
# test a steep roof
Test(name='Hypo segment with triangle roof (60) and overlap',
model=generate_hypotrochoid,
args=["--hypoA", "3",
"--hypoB", "5",
"--hypoC", "2",
"--slope_angle", "8",
"--scale", "15",
"--start_t", "7",
"--end_t", "14",
"--tube_method", "TRIANGLE_TOP",
"--tube_radius", "10.5",
"--wall_thickness", "11",
"--overlaps", "(8.2279,12.7160)",
"--overlap_separation", "40",
"--tube_roof_angle", "60",
"--num_time_steps", "35",
"--tube_sides", "12"],
gold_file='test_files/hypo_triangle_60.stl'),
# Tests the 5 pointed star along with the 'regularization' used to create it
Test(name='Hypo segment with logistic regularization',
model=generate_hypotrochoid,
args=["--hypoA", "5",
"--hypoB", "3",
"--hypoC", "5",
"--tube_method", "oval",
"--tube_wall_height", "6",
"--slope_angle", "4.0",
"--closest_approach", "26",
"--start_t", "2.2850",
"--end_t", "9.0248",
"--rebalance_time",
"--regularization_method", "LOGISTIC",
"--regularization_x_trans", "2.5",
"--regularization_y_trans", "-1.0",
"--regularization_x_scale", "0.8",
"--regularization_y_scale", "4.25",
"--num_time_steps", "30",
"--tube_sides", "8"],
gold_file='test_files/hypo_star_reg.stl'),
Test(name='Epitrochoid',
model=generate_hypotrochoid,
args=["--hypoA", "7",
"--hypoB", "2",
"--hypoC", "5",
"--slope_angle", "3.2",
"--closest_approach", "26",
"--trochoid", "EPITROCHOID",
"--overlaps", "(1.2602, 2.3302)",
"--zero_circle",
"--zero_circle_sides", "10",
"--start_t", "0.3",
"--end_t", "3.0",
"--tube_sides", "10",
"--num_time_steps", "30"],
gold_file='test_files/epitrochoid.stl'),
Test(name='Trig - deep oval with kinks',
model=generate_trig,
args=["--y_coeff", "4.1",
"--power", "2",
"--slope_angle", "10.35",
"--tube_method", "deep_oval",
"--tube_wall_height", "3",
"--kink_replace_circle", "((1.0,2.0),(4.14,5.14))",
"--start_t", "0",
"--end_t", "5.8",
"--scale", "5.8572",
"--num_time_steps", "40",
"--tube_sides", "12"],
gold_file='test_files/trig_deep_oval.stl'),
Test(name='Trig - deep oval with curved overhang',
model=generate_trig,
args=["--y_coeff", "4.1",
"--power", "2",
"--slope_angle", "10.35",
"--tube_method", "deep_oval",
"--tube_wall_height", "3",
"--kink_replace_circle", "((1.0,2.0))",
"--start_t", "0",
"--end_t", "3",
"--scale", "5.8572",
"--num_time_steps", "25",
"--tube_start_angle", "0",
"--tube_end_angle", "225",
"--tube_sides", "12"],
gold_file='test_files/trig_overhang.stl'),
# Test that the overhang can be modified by specifying intervals on the tube_end_angle
Test(name='Trig - deep oval with partial overhang',
model=generate_trig,
args=["--y_coeff", "4.1",
"--power", "2",
"--slope_angle", "10.35",
"--tube_method", "deep_oval",
"--tube_wall_height", "3",
"--kink_replace_circle", "((1.0,2.0))",
"--start_t", "0",
"--end_t", "3",
"--scale", "5.8572",
"--num_time_steps", "25",
"--tube_start_angle", "0",
"--tube_end_angle", "((1.0,225),(2.0,180))",
"--tube_sides", "12"],
gold_file='test_files/trig_partial_overhang.stl'),
Test(name='Trig - deep ellipse with kinks',
model=generate_trig,
args=["--y_coeff", "4.1",
"--power", "2",
"--slope_angle", "10.35",
"--tube_method", "deep_ellipse",
"--tube_start_angle", "0",
"--tube_end_angle", "360",
"--wall_thickness", "13",
"--kink_replace_circle", "((1.0,2.0),(4.14,5.14))",
"--start_t", "0",
"--end_t", "5.8",
"--scale", "5.8572",
"--num_time_steps", "40",
"--tube_sides", "8"],
gold_file='test_files/trig_deep_ellipse.stl'),
Test(name='Lissajous - basic, CCW kink',
model=generate_lissajous,
args=["--lissA", "5",
"--lissB", "0",
"--lissC", "3",
"--y_scale", "54",
"--x_scale", "40",
"--slope_angle", "4",
"--tube_sides", "10",
"--start_t", "0",
"--end_t", "0.4",
"--num_time_steps", "40",
"--kink_replace_circle", "(0.10,0.21)"],
gold_file='test_files/lissajous_basic_ccw.stl'),
Test(name='Lissajous - basic, CW kink',
model=generate_lissajous,
args=["--lissA", "5",
"--lissB", "0",
"--lissC", "3",
"--y_scale", "54",
"--x_scale", "40",
"--slope_angle", "4",
"--tube_sides", "10",
"--start_t", "-0.4",
"--end_t", "0",
"--num_time_steps", "40",
"--kink_replace_circle", "(-0.21,-0.10)"],
gold_file='test_files/lissajous_basic_cw.stl'),
Test(name='Lissajous - sum of harmonics',
model=generate_lissajous,
args=["--lissajous", "SUM_HARMONICS",
"--lissA", "1",
"--lissB", "0.5",
"--lissC", "1",
"--lissD", "0",
"--lissN", "3",
"--x_scale", "87",
"--y_scale", "88.5",
"--slope_angle", "2.9",
"--start_t", "0.11",
"--end_t", "0.39",
"--num_time_steps", "40",
"--tube_sides", "10"],
gold_file='test_files/lissajous_sum_harmonics.stl'),
Test(name='Lissajous - sum of harmonics, start_angle overhang',
model=generate_lissajous,
args=["--lissajous", "SUM_HARMONICS",
"--lissA", "2",
"--lissB", "0",
"--lissC", "1",
"--lissD", "-0.5",
"--lissN", "2.5",
"--x_scale", "55.416",
"--y_scale", "110.832",
"--slope_angle", "3.7",
"--start_t", "-0.036",
"--end_t", "0.07",
"--tube_radius", "12.5",
"--tube_method", "oval",
"--tube_start_angle", "((-0.02,-45),(0.04,0))",
"--tube_wall_height", "6",
"--num_time_steps", "30",
"--tube_sides", "16"],
gold_file='test_files/lissajous_sum_start_overhang.stl'),
Test(name='Lissajous - product of harmonics',
model=generate_lissajous,
args=["--lissajous", "PRODUCT_HARMONICS",
"--lissA", "2",
"--lissB", "0.0",
"--lissC", "1",
"--lissD", "0.5",
"--lissN", "7",
"--x_scale", "94.9873",
"--y_scale", "85.93",
"--slope_angle", "7.10198",
"--start_t", "-0.02",
"--end_t", "0.02",
"--tube_start_angle", "((-0.018,-60),(-0.005,-90),(0.005,-90),(0.018,-60))",
"--tube_end_angle", "((-0.018,240),(-0.005,270),(0.005,270),(0.018,240))",
"--num_time_steps", "40",
"--tube_sides", "10"],
gold_file='test_files/lissajous_product.stl'),
Test(name='Lissajous - compound butterfly',
model=generate_lissajous,
args=["--lissajous", "COMPOUND_HARMONICS",
"--lissA", "2",
"--lissB", "0.0",
"--lissC", "1",
"--lissD", "0",
"--lissN", "1",
"--x_scale", "80",
"--y_scale", "80",
"--slope_angle", "4",
"--y_regularization", "0.4",
"--regularization", "0.2",
"--regularization_radius", "0.2",
"--start_t", "0.0",
"--end_t", "0.25",
"--overlaps", "((0.01,0.24))",
"--overlap_separation", "24",
"--num_time_steps", "25",
"--tube_sides", "10"],
gold_file='test_files/lissajous_compound_butterfly.stl'),
Test(name='Lissajous - compound harmonics splitter',
model=generate_lissajous,
args=["--lissajous", "COMPOUND_HARMONICS",
"--lissA", "2",
"--lissB", "0.25",
"--lissC", "1",
"--lissD", "0",
"--lissN", "1",
"--x_scale", "80",
"--y_scale", "80",
"--slope_angle", "9",
"--extra_start_t", "0.04",
"--start_t", "0.25",
"--end_t", "0.5625",
"--num_time_steps", "40",
"--tube_sides", "10"],
gold_file='test_files/lissajous_compound_harmonics_splitter.stl'),
Test(name='Zigzag',
model=generate_zigzag,
args=["--tube_sides", "10",
"--slope_angle", "15",
"--subdivisions_per_zigzag", "6"],
gold_file='test_files/zigzag.stl'),]
class TestGenerations(unittest.TestCase):
def setUp(self):
self.test_file = tempfile.NamedTemporaryFile(suffix=".stl", delete=False)
self.test_file.close()
def tearDown(self):
os.unlink(self.test_file.name)
def test_generations(self):
for test in TESTS:
with self.subTest(name=test.name):
print("Running %s" % test.name)
with contextlib.redirect_stdout(io.StringIO()) as stdout:
args = ['--output_name', self.test_file.name] + test.args
test.model.main(sys_args=args)
self.assertTrue(filecmp.cmp(self.test_file.name, test.gold_file))
if __name__ == '__main__':
unittest.main()