class TestExtrudeStraightShape(unittest.TestCase):
def setUp(self):
self.test_shape = ExtrudeStraightShape(
points=[(10, 10), (10, 30), (30, 30), (30, 10)], distance=30
)
def test_default_parameters(self):
"""Checks that the default parameters of an ExtrudeStraightShape are correct."""
assert self.test_shape.rotation_angle == 360
assert self.test_shape.stp_filename == "ExtrudeStraightShape.stp"
assert self.test_shape.stl_filename == "ExtrudeStraightShape.stl"
assert self.test_shape.extrude_both
def test_absolute_shape_volume(self):
"""Creates an ExtrudeStraightShape and checks that the volume is correct."""
assert self.test_shape.solid is not None
assert self.test_shape.volume == pytest.approx(20 * 20 * 30)
def test_absolute_shape_areas(self):
"""Creates an ExtrudeStraightShape and checks that the volume is correct."""
assert self.test_shape.area == pytest.approx(
(20 * 20 * 2) + (20 * 30 * 4)
)
assert len(self.test_shape.areas) == 6
assert self.test_shape.areas.count(pytest.approx(20 * 20)) == 2
assert self.test_shape.areas.count(pytest.approx(20 * 30)) == 4
def test_relative_shape_volume(self):
"""Creates two ExtrudeStraightShapes and checks that their relative volumes
are correct."""
test_volume = self.test_shape.volume
self.test_shape.azimuth_placement_angle = [0, 90, 180, 270]
self.test_shape.rotation_axis = "Y"
assert self.test_shape.volume == pytest.approx(test_volume * 4)
def test_cut_volume(self):
"""Creates an ExtrudeStraightShape with another ExtrudeStraightShape cut out
and checks that the volume is correct."""
shape_with_cut = ExtrudeStraightShape(
points=[(0, 0), (0, 40), (40, 40), (40, 0)], distance=40,
cut=self.test_shape
)
assert shape_with_cut.volume == pytest.approx(
(40 * 40 * 40) - (20 * 20 * 30)
)
def test_union_volume(self):
"""Creates a union of two ExtrudeStraightShapes and checks that the volume is
correct."""
unioned_shape = ExtrudeStraightShape(
points=[(0, 10), (0, 30), (20, 30), (20, 10)], distance=30,
union=self.test_shape
)
assert unioned_shape.volume == pytest.approx(30 * 20 * 30)
def test_intersect_volume(self):
"""Creates an ExtrudeStraightShape with another ExtrudeStraightShape intersected
and checks that the volume is correct."""
intersected_shape = ExtrudeStraightShape(
points=[(0, 10), (0, 30), (20, 30), (20, 10)], distance=30,
intersect=self.test_shape
)
assert intersected_shape.volume == pytest.approx(10 * 20 * 30)
def test_rotation_angle(self):
"""Creates an ExtrudeStraightShape with a rotation_angle < 360 and checks that
the correct cut is performed and the volume is correct."""
self.test_shape.azimuth_placement_angle = [45, 135, 225, 315]
self.rotation_axis = "Y"
test_volume = self.test_shape.volume
self.test_shape.rotation_angle = 180
assert self.test_shape.volume == pytest.approx(
test_volume * 0.5, rel=0.01)
def test_extrude_both(self):
"""Creates an ExtrudeStraightShape with extrude_both = True and False and checks
that the volumes are correct."""
test_volume_extrude_both = self.test_shape.volume
self.test_shape.extrude_both = False
assert self.test_shape.volume == pytest.approx(
test_volume_extrude_both)
def test_export_stp(self):
"""Exports and stp file with mode = solid and wire and checks
that the outputs exist and relative file sizes are correct."""
os.system("rm test_solid.stp test_solid2.stp test_wire.stp")
self.test_shape.export_stp('test_solid.stp', mode='solid')
self.test_shape.export_stp('test_solid2.stp')
self.test_shape.export_stp('test_wire.stp', mode='wire')
assert Path("test_solid.stp").exists() is True
assert Path("test_solid2.stp").exists() is True
assert Path("test_wire.stp").exists() is True
assert Path("test_solid.stp").stat().st_size == \
Path("test_solid2.stp").stat().st_size
assert Path("test_wire.stp").stat().st_size < \
Path("test_solid2.stp").stat().st_size
os.system("rm test_solid.stp test_solid2.stp test_wire.stp")
class TestExtrudeStraightShape(unittest.TestCase):
def setUp(self):
self.test_shape = ExtrudeStraightShape(
points=[(10, 10), (10, 30), (30, 30), (30, 10)], distance=30
)
def test_default_parameters(self):
"""Checks that the default parameters of an ExtrudeStraightShape are correct."""
assert self.test_shape.rotation_angle == 360
assert self.test_shape.stp_filename == "ExtrudeStraightShape.stp"
assert self.test_shape.stl_filename == "ExtrudeStraightShape.stl"
assert self.test_shape.extrude_both
def test_absolute_shape_volume(self):
"""Creates an ExtrudeStraightShape and checks that the volume is correct."""
assert self.test_shape.solid is not None
assert self.test_shape.volume == pytest.approx(20 * 20 * 30)
def test_absolute_shape_areas(self):
"""Creates an ExtrudeStraightShape and checks that the volume is correct."""
assert self.test_shape.area == pytest.approx(
(20 * 20 * 2) + (20 * 30 * 4)
)
assert len(self.test_shape.areas) == 6
assert self.test_shape.areas.count(pytest.approx(20 * 20)) == 2
assert self.test_shape.areas.count(pytest.approx(20 * 30)) == 4
def test_relative_shape_volume(self):
"""Creates two ExtrudeStraightShapes and checks that their relative volumes
are correct."""
test_volume = self.test_shape.volume
self.test_shape.azimuth_placement_angle = [0, 90, 180, 270]
self.test_shape.rotation_axis = "Y"
assert self.test_shape.volume == pytest.approx(test_volume * 4)
def test_cut_volume(self):
"""Creates an ExtrudeStraightShape with another ExtrudeStraightShape cut out
and checks that the volume is correct."""
shape_with_cut = ExtrudeStraightShape(
points=[(0, 0), (0, 40), (40, 40), (40, 0)], distance=40,
cut=self.test_shape
)
assert shape_with_cut.volume == pytest.approx(
(40 * 40 * 40) - (20 * 20 * 30)
)
def test_union_volume(self):
"""Creates a union of two ExtrudeStraightShapes and checks that the volume is
correct."""
unioned_shape = ExtrudeStraightShape(
points=[(0, 10), (0, 30), (20, 30), (20, 10)], distance=30,
union=self.test_shape
)
assert unioned_shape.volume == pytest.approx(30 * 20 * 30)
def test_intersect_volume(self):
"""Creates an ExtrudeStraightShape with another ExtrudeStraightShape intersected
and checks that the volume is correct."""
intersected_shape = ExtrudeStraightShape(
points=[(0, 10), (0, 30), (20, 30), (20, 10)], distance=30,
intersect=self.test_shape
)
assert intersected_shape.volume == pytest.approx(10 * 20 * 30)
def test_rotation_angle(self):
"""Creates an ExtrudeStraightShape with a rotation_angle < 360 and checks that
the correct cut is performed and the volume is correct."""
self.test_shape.azimuth_placement_angle = [45, 135, 225, 315]
self.rotation_axis = "Y"
test_volume = self.test_shape.volume
self.test_shape.rotation_angle = 180
assert self.test_shape.volume == pytest.approx(
test_volume * 0.5, rel=0.01)
def test_extrude_both(self):
"""Creates an ExtrudeStraightShape with extrude_both = True and False and checks
that the volumes are correct."""
test_volume_extrude_both = self.test_shape.volume
self.test_shape.extrude_both = False
assert self.test_shape.volume == pytest.approx(
test_volume_extrude_both)
def test_export_stp(self):
"""Exports and stp file with mode = solid and wire and checks
that the outputs exist and relative file sizes are correct."""
os.system("rm test_solid.stp test_solid2.stp test_wire.stp")
self.test_shape.export_stp('test_solid.stp', mode='solid')
self.test_shape.export_stp('test_solid2.stp')
self.test_shape.export_stp('test_wire.stp', mode='wire')
assert Path("test_solid.stp").exists() is True
assert Path("test_solid2.stp").exists() is True
assert Path("test_wire.stp").exists() is True
assert Path("test_solid.stp").stat().st_size == \
Path("test_solid2.stp").stat().st_size
assert Path("test_wire.stp").stat().st_size < \
Path("test_solid2.stp").stat().st_size
os.system("rm test_solid.stp test_solid2.stp test_wire.stp")
def test_incorrect_points_input(self):
"""Checks that an error is raised when the points are input with the
connection"""
def incorrect_points_definition():
self.test_shape.points = [
(10, 10, 'straight'),
(10, 30, 'straight'),
(30, 30, 'straight'),
(30, 10, 'straight')
]
self.assertRaises(
ValueError,
incorrect_points_definition
)
def test_export_html_with_different_workplanes(self):
"""Checks that all the workplanes produce an html file when using the
export_html method and that the axis have the correct labels"""
os.system("rm *.html")
for workplane in ["XY", "YZ", "XZ", "YX", "ZY", "ZX"]:
self.test_shape.workplane = workplane
fig = self.test_shape.export_html(workplane + ".html")
assert Path(workplane + ".html").exists() is True
assert fig.layout.xaxis.title['text'] == workplane[0]
assert fig.layout.yaxis.title['text'] == workplane[1]
