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Add more tests for primitives

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This commit is contained in:
Hamilton Kibbe 2016-11-18 08:11:56 -05:00
parent 0ae5c48a65
commit 33e8494318
1 changed files with 87 additions and 12 deletions
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99
gerber/tests/test_primitives.py
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@ -192,16 +192,53 @@ def test_arc_sweep_angle():
def test_arc_bounds():
""" Test Arc primitive bounding box calculation
"""
cases = [((1, 0), (0, 1), (0, 0), 'clockwise', ((-1.5, 1.5), (-1.5, 1.5))),
((1, 0), (0, 1), (0, 0), 'counterclockwise',
((-0.5, 1.5), (-0.5, 1.5))),
# TODO: ADD MORE TEST CASES HERE
]
cases = [
((1, 0), (0, 1), (0, 0), 'clockwise', ((-1.5, 1.5), (-1.5, 1.5))),
((1, 0), (0, 1), (0, 0), 'counterclockwise',((-0.5, 1.5), (-0.5, 1.5))),
((0, 1), (-1, 0), (0, 0), 'clockwise', ((-1.5, 1.5), (-1.5, 1.5))),
((0, 1), (-1, 0), (0, 0), 'counterclockwise', ((-1.5, 0.5), (-0.5, 1.5))),
((-1, 0), (0, -1), (0, 0), 'clockwise', ((-1.5, 1.5), (-1.5, 1.5))),
((-1, 0), (0, -1), (0, 0), 'counterclockwise', ((-1.5, 0.5), (-1.5, 0.5))),
((0, -1), (1, 0), (0, 0), 'clockwise', ((-1.5, 1.5), (-1.5, 1.5))),
((0, -1), (1, 0), (0, 0), 'counterclockwise',((-0.5, 1.5), (-1.5, 0.5))),
# Arcs with the same start and end point render a full circle
((1, 0), (1, 0), (0, 0), 'clockwise', ((-1.5, 1.5), (-1.5, 1.5))),
((1, 0), (1, 0), (0, 0), 'counterclockwise', ((-1.5, 1.5), (-1.5, 1.5))),
]
for start, end, center, direction, bounds in cases:
c = Circle((0,0), 1)
a = Arc(start, end, center, direction, c, 'single-quadrant')
a = Arc(start, end, center, direction, c, 'multi-quadrant')
assert_equal(a.bounding_box, bounds)
def test_arc_bounds_no_aperture():
""" Test Arc primitive bounding box calculation ignoring aperture
"""
cases = [
((1, 0), (0, 1), (0, 0), 'clockwise', ((-1.0, 1.0), (-1.0, 1.0))),
((1, 0), (0, 1), (0, 0), 'counterclockwise',((0.0, 1.0), (0.0, 1.0))),
((0, 1), (-1, 0), (0, 0), 'clockwise', ((-1.0, 1.0), (-1.0, 1.0))),
((0, 1), (-1, 0), (0, 0), 'counterclockwise', ((-1.0, 0.0), (0.0, 1.0))),
((-1, 0), (0, -1), (0, 0), 'clockwise', ((-1.0, 1.0), (-1.0, 1.0))),
((-1, 0), (0, -1), (0, 0), 'counterclockwise', ((-1.0, 0.0), (-1.0, 0.0))),
((0, -1), (1, 0), (0, 0), 'clockwise', ((-1.0, 1.0), (-1.0, 1.0))),
((0, -1), (1, 0), (0, 0), 'counterclockwise',((-0.0, 1.0), (-1.0, 0.0))),
# Arcs with the same start and end point render a full circle
((1, 0), (1, 0), (0, 0), 'clockwise', ((-1.0, 1.0), (-1.0, 1.0))),
((1, 0), (1, 0), (0, 0), 'counterclockwise', ((-1.0, 1.0), (-1.0, 1.0))),
]
for start, end, center, direction, bounds in cases:
c = Circle((0,0), 1)
a = Arc(start, end, center, direction, c, 'multi-quadrant')
assert_equal(a.bounding_box_no_aperture, bounds)
def test_arc_conversion():
c = Circle((0, 0), 25.4, units='metric')
@ -438,6 +475,7 @@ def test_rectangle_ctor():
assert_equal(r.width, width)
assert_equal(r.height, height)
def test_rectangle_hole_radius():
""" Test rectangle hole diameter calculation
"""
@ -448,7 +486,6 @@ def test_rectangle_hole_radius():
assert_equal(0.5, r.hole_radius)
def test_rectangle_bounds():
""" Test rectangle bounding box calculation
"""
@ -461,6 +498,32 @@ def test_rectangle_bounds():
assert_array_almost_equal(xbounds, (-math.sqrt(2), math.sqrt(2)))
assert_array_almost_equal(ybounds, (-math.sqrt(2), math.sqrt(2)))
def test_rectangle_vertices():
sqrt2 = math.sqrt(2.0)
TEST_VECTORS = [
((0, 0), 2.0, 2.0, 0.0, ((-1.0, -1.0), (-1.0, 1.0), (1.0, 1.0), (1.0, -1.0))),
((0, 0), 2.0, 3.0, 0.0, ((-1.0, -1.5), (-1.0, 1.5), (1.0, 1.5), (1.0, -1.5))),
((0, 0), 2.0, 2.0, 90.0,((-1.0, -1.0), (-1.0, 1.0), (1.0, 1.0), (1.0, -1.0))),
((0, 0), 3.0, 2.0, 90.0,((-1.0, -1.5), (-1.0, 1.5), (1.0, 1.5), (1.0, -1.5))),
((0, 0), 2.0, 2.0, 45.0,((-sqrt2, 0.0), (0.0, sqrt2), (sqrt2, 0), (0, -sqrt2))),
]
for pos, width, height, rotation, expected in TEST_VECTORS:
r = Rectangle(pos, width, height, rotation=rotation)
for test, expect in zip(sorted(r.vertices), sorted(expected)):
assert_array_almost_equal(test, expect)
r = Rectangle((0, 0), 2.0, 2.0, rotation=0.0)
r.rotation = 45.0
for test, expect in zip(sorted(r.vertices), sorted(((-sqrt2, 0.0), (0.0, sqrt2), (sqrt2, 0), (0, -sqrt2)))):
assert_array_almost_equal(test, expect)
def test_rectangle_segments():
r = Rectangle((0, 0), 2.0, 2.0)
expected = [vtx for segment in r.segments for vtx in segment]
for vertex in r.vertices:
assert_in(vertex, expected)
def test_rectangle_conversion():
"""Test converting rectangles between units"""
@ -697,6 +760,18 @@ def test_chamfer_rectangle_offset():
r.offset(0, 1)
assert_equal(r.position, (1., 1.))
def test_chamfer_rectangle_vertices():
TEST_VECTORS = [
(1.0, (True, True, True, True), ((-2.5, -1.5), (-2.5, 1.5), (-1.5, 2.5), (1.5, 2.5), (2.5, 1.5), (2.5, -1.5), (1.5, -2.5), (-1.5, -2.5))),
(1.0, (True, False, False, False), ((-2.5, -2.5), (-2.5, 2.5), (1.5, 2.5), (2.5, 1.5), (2.5, -2.5))),
(1.0, (False, True, False, False), ((-2.5, -2.5), (-2.5, 1.5), (-1.5, 2.5), (2.5, 2.5), (2.5, -2.5))),
(1.0, (False, False, True, False), ((-2.5, -1.5), (-2.5, 2.5), (2.5, 2.5), (2.5, -2.5), (-1.5, -2.5))),
(1.0, (False, False, False, True), ((-2.5, -2.5), (-2.5, 2.5), (2.5, 2.5), (2.5, -1.5), (1.5, -2.5))),
]
for chamfer, corners, expected in TEST_VECTORS:
r = ChamferRectangle((0, 0), 5, 5, chamfer, corners)
assert_equal(set(r.vertices), set(expected))
def test_round_rectangle_ctor():
""" Test round rectangle creation
@ -1237,7 +1312,7 @@ def test_drill_conversion():
assert_equal(d.position, (0.1, 1.0))
assert_equal(d.diameter, 10.0)
d = Drill((0.1, 1.0), 10., None, units='inch')
d = Drill((0.1, 1.0), 10., units='inch')
# No effect
d.to_inch()
@ -1255,7 +1330,7 @@ def test_drill_conversion():
def test_drill_offset():
d = Drill((0, 0), 1., None)
d = Drill((0, 0), 1.)
d.offset(1, 0)
assert_equal(d.position, (1., 0.))
d.offset(0, 1)
@ -1263,8 +1338,8 @@ def test_drill_offset():
def test_drill_equality():
d = Drill((2.54, 25.4), 254., None)
d1 = Drill((2.54, 25.4), 254., None)
d = Drill((2.54, 25.4), 254.)
d1 = Drill((2.54, 25.4), 254.)
assert_equal(d, d1)
d1 = Drill((2.54, 25.4), 254.2, None)
d1 = Drill((2.54, 25.4), 254.2)
assert_not_equal(d, d1)