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# Copyright (c) 2020, Manfred Moitzi
# License: MIT License
import pytest
from ezdxf.tools import pattern
def test_load_iso_pattern():
p = pattern.load()
assert p["ANSI31"][0] == [
45.0,
(0.0, 0.0),
(-2.2450640303, 2.2450640303),
[],
]
def test_load_scaled_iso_pattern():
p = pattern.load(factor=2)
assert p["ANSI31"][0] == [
45.0,
(0.0, 0.0),
(-4.4901280606, 4.4901280606),
[],
]
def test_load_imperial_pattern():
p = pattern.load(measurement=0)
assert p["ANSI31"][0] == [
45.0,
(0.0, 0.0),
(-0.0883883476, 0.0883883476),
[],
]
def test_scale_pattern():
p = pattern.load()
ansi31 = p["ANSI31"]
s = pattern.scale_pattern(ansi31, 2, angle=90)
angle, base, offset, lines = s[0]
assert angle == 135
assert base == (0, 0)
assert offset == (-4.4901280606, -4.4901280606)
def test_scale_all_pattern():
r = pattern.scale_all(pattern.ISO_PATTERN)
assert len(r) == len(pattern.ISO_PATTERN)
TEST_PATTERN = """; Hatch Patterns adapted to ISO scaling
;; Note: Dummy pattern description used for 'Solid fill'.
*SOLID, Solid fill
45, 0,0, 0,.125
*ANSI31, ANSI Iron, Brick, Stone masonry
45, 0,0, 0,3.175
*ANSI32, ANSI Steel
45, 0,0, 0,9.525
45, 4.490128053,0, 0,9.525
*ANSI33, ANSI Bronze, Brass, Copper
45, 0,0, 0,6.35
45, 4.490128053,0, 0,6.35, 3.175,-1.5875
*ANSI34, ANSI Plastic, Rubber
45, 0,0, 0,19.05
45, 4.490128053,0, 0,19.05
45, 8.9802561314,0, 0,19.05
45, 13.4703841844,0, 0,19.05
*ANSI35, ANSI Fire brick, Refractory material
45, 0,0, 0,6.35
45, 4.490128053,0, 0,6.35, 7.9375,-1.5875,0,-1.5875
*ANSI36, ANSI Marble, Slate, Glass
45, 0,0, 5.55625,3.175, 7.9375,-1.5875,0,-1.5875
*ANSI37, ANSI Lead, Zinc, Magnesium, Sound/Heat/Elec Insulation
45, 0,0, 0,3.175
135, 0,0, 0,3.175
*ANSI38, ANSI Aluminum
45, 0,0, 0,3.175
135, 0,0, 6.35,3.175, 7.9375,-4.7625
"""
def test_parse_pattern_file():
result = pattern.parse(TEST_PATTERN)
assert len(result) == 9
assert result["SOLID"] == [
[45.0, (0.0, 0.0), (-0.0883883476, 0.0883883476), []]
]
assert result["ANSI33"] == [
[45.0, (0.0, 0.0), (-4.4901280605, 4.4901280605), []],
[
45.0,
(4.490128053, 0.0),
(-4.4901280605, 4.4901280605),
[3.175, -1.5875],
],
]
def analyse(name):
return pattern.PatternAnalyser(pattern.ISO_PATTERN[name])
class TestPatternAnalyser:
@pytest.mark.parametrize("name", ["ISO02W100", "DASH", "CLAY", "FLEXIBLE"])
def test_has_horizontal_lines(self, name):
result = analyse(name)
assert result.has_angle(0) is True
@pytest.mark.parametrize(
"name",
[
"GOST_WOOD",
"V_ZINC",
],
)
def test_has_vertical_lines(self, name):
result = analyse(name)
assert result.has_angle(90) is True
@pytest.mark.parametrize(
"name", ["ANSI31", "BRICK_INSULATING", "BUTTERFLY", "CROSSES"]
)
def test_has_45_deg_lines(self, name):
result = analyse(name)
assert result.has_angle(45) is True
@pytest.mark.parametrize("name", ["BUTTERFLY", "CROSSES"])
def test_has_135_deg_lines(self, name):
result = analyse(name)
assert result.has_angle(135) is True
@pytest.mark.parametrize("name", ["DIAMONDS", "ESCHER"])
def test_has_60_deg_lines(self, name):
result = analyse(name)
assert result.has_angle(60) is True
@pytest.mark.parametrize("name", ["ANSI31", "BRICK_EXISTING"])
def test_all_45_deg_lines(self, name):
result = analyse(name)
assert result.all_angles(45) is True
@pytest.mark.parametrize("name", ["ANSI31", "BRICK_EXISTING"])
def test_all_solid_lines(self, name):
result = analyse(name)
assert result.all_solid_lines() is True
def test_analyse_ansi31(self):
result = analyse("ANSI31")
assert result.has_angle(45) is True
assert result.all_angles(45) is True
assert result.all_solid_lines() is True
assert result.has_dashed_line() is False
def test_analyse_checker(self):
result = analyse("CHECKER")
assert result.has_angle(0) is True
assert result.has_angle(90) is True
assert result.all_dashed_lines() is True
def test_rotated_checker(self):
pat = pattern.ISO_PATTERN["CHECKER"]
result = pattern.PatternAnalyser(pattern.scale_pattern(pat, 2, 45))
assert result.has_angle(45) is True
assert result.has_angle(135) is True
def test_analyse_crosses(self):
result = analyse("CROSSES")
assert result.has_angle(45) is True
assert result.has_angle(135) is True
assert result.all_dashed_lines() is True
@pytest.mark.parametrize(
"angle,expected",
[
(0, 0),
(45, 45),
(90, 90),
(135, 135),
(22, 15), # round to nearest 15° main angle
(23, 30), # round to nearest 15° main angle
(45, 45), # round to nearest 15° main angle
(180, 0), # only 1st and 2nd quadrant
(270, 90), # only 1st and 2nd quadrant
],
)
def test_round_angle_15_deg(angle, expected):
assert pattern.round_angle_15_deg(angle) == expected
if __name__ == "__main__":
pytest.main([__file__])
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