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# Copyright (c) 2021-2023, Manfred Moitzi
# License: MIT License
import pytest
import ezdxf
from ezdxf import gfxattribs, const, colors
from ezdxf.gfxattribs import GfxAttribs
from ezdxf.entities import factory
class TestDefaultGfxAttribs:
def test_default_init(self):
attribs = GfxAttribs()
assert attribs.layer == "0"
assert attribs.color == ezdxf.colors.BYLAYER
assert attribs.rgb is None
assert attribs.linetype == "ByLayer"
assert attribs.lineweight == ezdxf.const.LINEWEIGHT_BYLAYER
assert attribs.transparency is None
assert attribs.ltscale == 1.0
def test_str(self):
assert str(GfxAttribs()) == ""
def test_repr(self):
assert repr(GfxAttribs()) == "GfxAttribs()"
def test_as_dict(self):
assert dict(GfxAttribs()) == dict()
def test_as_dict_default_values(self):
assert GfxAttribs().asdict(default_values=True) == {
"layer": gfxattribs.DEFAULT_LAYER,
"color": gfxattribs.DEFAULT_ACI_COLOR,
"linetype": gfxattribs.DEFAULT_LINETYPE,
"lineweight": gfxattribs.DEFAULT_LINEWEIGHT,
"ltscale": gfxattribs.DEFAULT_LTSCALE,
}
class TestGfxAttribsFromDict:
def test_set_aci_color(self):
attribs = GfxAttribs.from_dict({"color": 10})
assert attribs.layer == "0"
assert attribs.color == 10
assert attribs.rgb is None
assert attribs.linetype == "ByLayer"
assert attribs.lineweight == ezdxf.const.LINEWEIGHT_BYLAYER
assert attribs.transparency is None
assert attribs.ltscale == 1.0
def test_set_transparency_as_float(self):
attribs = GfxAttribs.from_dict({"transparency": 0.5})
assert attribs.transparency == 0.5
def test_set_transparency_by_block(self):
attribs = GfxAttribs.from_dict({"transparency": colors.TRANSPARENCY_BYBLOCK})
assert attribs.transparency == -1.0
def test_set_transparency_as_raw_dxf_value(self):
attribs = GfxAttribs.from_dict({"transparency": colors.TRANSPARENCY_40})
assert attribs.transparency == pytest.approx(0.4)
def test_validation_errors(self):
with pytest.raises(const.DXFValueError):
GfxAttribs.from_dict({"color": 300})
with pytest.raises(const.DXFValueError):
GfxAttribs.from_dict({"rgb": (0, )})
class TestGfxAttribLayer:
def test_init_by_value(self):
assert GfxAttribs(layer="Test").layer == "Test"
def test_init_by_invalid_value_raises_exception(self):
with pytest.raises(ezdxf.DXFValueError):
assert GfxAttribs(layer="Test*")
def test_set_value(self):
attribs = GfxAttribs()
attribs.layer = "Test"
assert attribs.layer == "Test"
def test_set_invalid_value_raises_exception(self):
attribs = GfxAttribs()
with pytest.raises(ezdxf.DXFValueError):
attribs.layer = "Test*"
def test_str(self):
assert str(GfxAttribs(layer="Test")) == "layer='Test'"
def test_repr(self):
assert repr(GfxAttribs(layer="Test")) == "GfxAttribs(layer='Test')"
class TestGfxAttribColor:
def test_init_by_value(self):
assert GfxAttribs(color=ezdxf.colors.RED).color == ezdxf.colors.RED
def test_init_by_invalid_value_raises_exception(self):
"""ACI color tests see validator test suite 020: is_valid_aci_color()"""
with pytest.raises(ezdxf.DXFValueError):
assert GfxAttribs(color=300)
def test_set_value(self):
attribs = GfxAttribs()
attribs.color = ezdxf.colors.RED
assert attribs.color == ezdxf.colors.RED
def test_set_invalid_value_raises_exception(self):
attribs = GfxAttribs()
with pytest.raises(ezdxf.DXFValueError):
attribs.color = 300
def test_str(self):
assert str(GfxAttribs(color=1)) == "color=1"
def test_repr(self):
assert repr(GfxAttribs(color=1)) == "GfxAttribs(color=1)"
class TestGfxAttribTrueColor:
def test_init_by_value(self):
assert GfxAttribs(rgb=(10, 20, 30)).rgb == (10, 20, 30)
def test_init_by_invalid_value_raises_exception(self):
"""RGB color tests see validator test suite 020: is_valid_rgb()"""
with pytest.raises(ezdxf.DXFValueError):
assert GfxAttribs(rgb=(-1, 0, 0))
def test_set_value(self):
attribs = GfxAttribs()
attribs.rgb = (10, 20, 30)
assert attribs.rgb == (10, 20, 30)
def test_reset_value(self):
attribs = GfxAttribs(rgb=(10, 20, 30))
attribs.rgb = None
assert attribs.rgb is None
def test_set_invalid_value_raises_exception(self):
attribs = GfxAttribs()
with pytest.raises(ezdxf.DXFValueError):
attribs.rgb = (-1, 0, 0)
def test_str(self):
assert str(GfxAttribs(rgb=(10, 20, 30))) == "rgb=(10, 20, 30)"
def test_repr(self):
assert repr(GfxAttribs(rgb=(10, 20, 30))) == "GfxAttribs(rgb=(10, 20, 30))"
class TestGfxAttribLinetype:
def test_init_by_value(self):
assert GfxAttribs(linetype="Test").linetype == "Test"
def test_init_by_invalid_value_raises_exception(self):
with pytest.raises(ezdxf.DXFValueError):
assert GfxAttribs(linetype="*Test")
def test_set_value(self):
attribs = GfxAttribs()
attribs.linetype = "Test"
assert attribs.linetype == "Test"
def test_set_invalid_value_raises_exception(self):
attribs = GfxAttribs()
with pytest.raises(ezdxf.DXFValueError):
attribs.linetype = "*Test"
def test_str(self):
assert str(GfxAttribs(linetype="Test")) == "linetype='Test'"
def test_repr(self):
assert repr(GfxAttribs(linetype="Test")) == "GfxAttribs(linetype='Test')"
class TestGfxAttribLineweight:
def test_init_by_value(self):
assert GfxAttribs(lineweight=18).lineweight == 18
def test_init_by_invalid_value_raises_exception(self):
"""lineweight tests see validator test suite 020: is_valid_lineweight()"""
with pytest.raises(ezdxf.DXFValueError):
assert GfxAttribs(lineweight=300)
def test_set_value(self):
attribs = GfxAttribs()
attribs.lineweight = 25
assert attribs.lineweight == 25
def test_set_invalid_value_raises_exception(self):
attribs = GfxAttribs()
with pytest.raises(ezdxf.DXFValueError):
attribs.lineweight = 300
def test_str(self):
assert str(GfxAttribs(lineweight=18)) == "lineweight=18"
def test_repr(self):
assert repr(GfxAttribs(lineweight=18)) == "GfxAttribs(lineweight=18)"
class TestGfxAttribTransparency:
def test_init_by_value(self):
assert GfxAttribs(transparency=0.5).transparency == 0.5
def test_init_by_invalid_value_raises_exception(self):
with pytest.raises(ezdxf.DXFValueError):
assert GfxAttribs(transparency=2.0)
@pytest.mark.parametrize("value", [0.0, 0.5, 1.0])
def test_set_value(self, value):
attribs = GfxAttribs()
attribs.transparency = value
assert attribs.transparency == value
def test_set_by_block_value(self):
attribs = GfxAttribs()
attribs.transparency = gfxattribs.TRANSPARENCY_BYBLOCK
assert attribs.transparency == gfxattribs.TRANSPARENCY_BYBLOCK
def test_reset_value(self):
attribs = GfxAttribs(transparency=0.5)
attribs.transparency = None
assert attribs.transparency is None
def test_set_invalid_value_raises_exception(self):
attribs = GfxAttribs()
with pytest.raises(ezdxf.DXFValueError):
attribs.transparency = 2.0
def test_str(self):
assert str(GfxAttribs(transparency=0.5001)) == "transparency=0.5"
def test_by_block_str(self):
assert str(GfxAttribs(transparency=-1)) == "transparency=-1.0"
def test_repr(self):
assert repr(GfxAttribs(transparency=0.5001)) == "GfxAttribs(transparency=0.5)"
class TestGfxAttribLinetypeScale:
def test_init_by_value(self):
assert GfxAttribs(ltscale=0.5).ltscale == 0.5
def test_init_by_invalid_value_raises_exception(self):
with pytest.raises(ezdxf.DXFValueError):
assert GfxAttribs(ltscale=-1.0)
@pytest.mark.parametrize("value", [0.5, 1.0, 2.0, 1])
def test_set_value(self, value):
attribs = GfxAttribs()
attribs.ltscale = value
assert attribs.ltscale == value
@pytest.mark.parametrize("value", [-1.0, 0.0, -1])
def test_set_invalid_value_raises_exception(self, value):
attribs = GfxAttribs()
with pytest.raises(ezdxf.DXFValueError):
attribs.ltscale = value
def test_str(self):
assert str(GfxAttribs(ltscale=0.5001)) == "ltscale=0.5"
def test_repr(self):
assert repr(GfxAttribs(ltscale=0.5001)) == "GfxAttribs(ltscale=0.5)"
def test_gfx_attribs_as_dict():
attribs = GfxAttribs(
layer="Test",
color=1,
rgb=(0xA, 0xB, 0xC),
linetype="SOLID",
lineweight=50,
transparency=0.5,
ltscale=2,
)
expected = {
"layer": "Test",
"color": 1,
"true_color": 0x0A0B0C,
"linetype": "SOLID",
"lineweight": 50,
"transparency": 0x200007F,
"ltscale": 2.0,
}
assert sorted(attribs.items()) == sorted(expected.items())
assert attribs.asdict() == expected
assert dict(attribs) == expected
def test_transparency_by_block_as_dict():
attribs = GfxAttribs(
transparency=gfxattribs.TRANSPARENCY_BYBLOCK,
)
expected = [("transparency", ezdxf.colors.TRANSPARENCY_BYBLOCK)]
assert attribs.items() == expected
assert attribs.asdict() == dict(expected)
assert dict(attribs) == dict(expected)
def test_gfx_attribs_string():
attribs = GfxAttribs(layer="Test", color=1, ltscale=2)
assert str(attribs) == "layer='Test', color=1, ltscale=2.0"
def test_gfx_attribs_repr():
attribs = GfxAttribs(layer="Test", color=1, ltscale=2)
assert repr(attribs) == "GfxAttribs(layer='Test', color=1, ltscale=2.0)"
def test_load_header_defaults():
doc = ezdxf.new()
attribs = GfxAttribs.load_from_header(doc)
assert attribs.layer == "0"
assert attribs.color == ezdxf.colors.BYLAYER
assert attribs.linetype == "ByLayer"
assert attribs.lineweight == ezdxf.const.LINEWEIGHT_BYLAYER
assert attribs.ltscale == 1.0
def test_write_back_header_defaults():
doc = ezdxf.new()
doc.layers.new("Test")
doc.linetypes.new("SOLID")
attribs = GfxAttribs(
layer="Test",
color=1,
linetype="SOLID",
lineweight=50,
ltscale=2,
)
attribs.write_to_header(doc)
assert doc.header["$CLAYER"] == "Test"
assert doc.header["$CECOLOR"] == 1
assert doc.header["$CELTYPE"] == "SOLID"
assert doc.header["$CELWEIGHT"] == 50
assert doc.header["$CELTSCALE"] == 2.0
def test_from_entity():
line = factory.new(
"LINE",
dict(
GfxAttribs(
layer="Test",
color=3,
rgb=(10, 20, 30),
transparency=0.3019607843137255,
linetype="SOLID",
lineweight=50,
ltscale=3.0,
)
),
)
attribs = GfxAttribs.from_entity(line)
assert attribs.layer == "Test"
assert attribs.color == 3
assert attribs.rgb == (10, 20, 30)
assert attribs.transparency == 0.3019607843137255
assert attribs.linetype == "SOLID"
assert attribs.ltscale == 3.0
def test_update_dxf_attributes_from_gfx_attribs():
attribs = GfxAttribs(
layer="Test",
color=3,
rgb=(10, 20, 30),
transparency=0.3019607843137255,
linetype="SOLID",
lineweight=50,
ltscale=3.0,
)
line = factory.new("LINE")
line.update_dxf_attribs(dict(attribs))
assert attribs.layer == line.dxf.layer
assert attribs.color == line.dxf.color
assert attribs.rgb == ezdxf.colors.int2rgb(line.dxf.true_color)
assert attribs.transparency == ezdxf.colors.transparency2float(
line.dxf.transparency
)
assert attribs.linetype == line.dxf.linetype
assert attribs.ltscale == line.dxf.ltscale
line = factory.new("LINE")
line.dxf.update(dict(attribs))
assert attribs.layer == line.dxf.layer
assert attribs.color == line.dxf.color
assert attribs.rgb == ezdxf.colors.int2rgb(line.dxf.true_color)
assert attribs.transparency == ezdxf.colors.transparency2float(
line.dxf.transparency
)
assert attribs.linetype == line.dxf.linetype
assert attribs.ltscale == line.dxf.ltscale
def test_update_transparency_by_block_from_gfx_attribs():
attribs = GfxAttribs(
transparency=gfxattribs.TRANSPARENCY_BYBLOCK,
)
line = factory.new("LINE")
line.dxf.update(dict(attribs))
assert line.dxf.transparency == ezdxf.colors.TRANSPARENCY_BYBLOCK
if __name__ == "__main__":
pytest.main([__file__])
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