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test_110_dxfentity.py
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test_110_dxfentity.py
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# Copyright (c) 2019 Manfred Moitzi
# License: MIT License
# created 2019-02-14
import pytest
import ezdxf
from ezdxf.lldxf.const import DXFAttributeError, DXF12, DXFValueError
from ezdxf.lldxf.tagwriter import TagCollector
from ezdxf.entities.dxfentity import DXFEntity
from ezdxf.lldxf.extendedtags import DXFTag
from ezdxf.entities.line import Line
ENTITY = """0
DXFENTITY
5
FFFF
330
ABBA
"""
@pytest.fixture
def entity():
return DXFEntity.from_text(ENTITY)
def test_default_constructor():
entity = DXFEntity()
assert entity.dxftype() == 'DXFENTITY'
assert entity.dxf.handle is None
assert entity.dxf.owner is None
assert entity.priority == 0
assert entity == entity
assert entity != DXFEntity()
def test_init_with_tags(entity):
assert entity.dxftype() == 'DXFENTITY'
assert entity.dxf.handle == 'FFFF'
assert entity.dxf.owner == 'ABBA'
assert str(entity) == 'DXFENTITY(#FFFF)'
assert repr(entity) == "<class 'ezdxf.entities.dxfentity.DXFEntity'> DXFENTITY(#FFFF)"
def test_invalid_dxf_attrib(entity):
with pytest.raises(DXFAttributeError):
_ = entity.dxf.color
def test_get_all_dxf_attribs(entity):
dxfattribs = entity.dxfattribs()
assert len(dxfattribs) == 2
assert dxfattribs['handle'] == 'FFFF'
assert dxfattribs['owner'] == 'ABBA'
def test_get_dxf_attribs_and_discard_some(entity):
dxfattribs = entity.dxfattribs(ignore={'owner'})
assert len(dxfattribs) == 1
assert dxfattribs['handle'] == 'FFFF'
assert 'owner' not in dxfattribs
def test_write_r12_dxf(entity):
tagwriter = TagCollector(dxfversion=DXF12)
entity.export_dxf(tagwriter)
tag = tagwriter.tags
assert len(tag) == 2
assert tag[0] == (0, 'DXFENTITY')
assert tag[1] == (5, 'FFFF')
def test_write_latest_dxf(entity):
tagwriter = TagCollector()
entity.export_dxf(tagwriter)
tag = tagwriter.tags
assert len(tag) == 3
assert tag[0] == (0, 'DXFENTITY')
assert tag[1] == (5, 'FFFF')
assert tag[2] == (330, 'ABBA')
def test_is_alive(entity):
assert entity.is_alive is True
entity.destroy()
assert entity.is_alive is False
def test_dont_write_handles_for_R12(entity):
from ezdxf.lldxf.tagwriter import TagWriter
from io import StringIO
s = StringIO()
t = TagWriter(s)
t.dxfversion = DXF12
t.write_handles = False
entity.export_dxf(t)
result = s.getvalue()
assert '5\nFFFF\n' not in result
LINE_DATA = """ 0
LINE
5
0
330
0
100
AcDbEntity
8
0
100
AcDbLine
10
0.0
20
0.0
30
0.0
11
1.0
21
1.0
31
1.0
"""
@pytest.fixture
def line():
return Line.from_text(LINE_DATA)
def test_str(line):
assert str(line) == "LINE(#0)"
assert repr(line) == "<class 'ezdxf.entities.line.Line'> LINE(#0)"
def test_get_dxf_defaul(line):
# get_dxf_default returns the DXF default value for unset attributes
assert line.dxf.get_default('thickness') == 0
# get returns the given default for unset attributes, which is None by default :)
assert line.dxf.get('thickness') is None
def test_ocs(line):
ocs = line.ocs()
assert ocs.uz == (0, 0, 1)
assert ocs.transform is False
class TestAppData:
@pytest.fixture
def entity(self):
return Line.from_text(LINE_DATA)
def test_new_app_data(self, entity):
assert entity.has_app_data('{MOZMAN') is False
entity.set_app_data('{MOZMAN', tags=[DXFTag(330, 'DEAD')])
assert entity.has_app_data('{MOZMAN') is True
def test_get_app_data(self, entity):
entity.set_app_data('{MOZMAN', tags=[DXFTag(330, 'DEAD')])
app_data = entity.get_app_data('{MOZMAN')
assert len(app_data) == 1
assert DXFTag(330, 'DEAD') == app_data[0]
def test_set_app_data(self, entity):
entity.set_app_data('{MOZMAN', tags=[DXFTag(330, 'DEAD')])
app_data = entity.get_app_data('{MOZMAN')
assert 1 == len(app_data)
assert DXFTag(330, 'DEAD') == app_data[0]
app_data.append(DXFTag(360, 'DEAD2'))
entity.set_app_data('{MOZMAN', app_data)
app_data = entity.get_app_data('{MOZMAN')
assert 2 == len(app_data)
assert DXFTag(330, 'DEAD') == app_data[0]
assert DXFTag(360, 'DEAD2') == app_data[1]
def test_not_existing_appid(self, entity):
with pytest.raises(DXFValueError):
entity.get_app_data("XYZ")
class TestXData:
@pytest.fixture
def entity(self):
return Line.from_text(LINE_DATA)
def test_new_app_data(self, entity):
assert entity.has_xdata('MOZMAN') is False
entity.set_xdata('MOZMAN', tags=[DXFTag(1000, 'Extended Data String')])
assert entity.has_xdata('MOZMAN') is True
def test_get_xdata(self, entity):
entity.set_xdata('MOZMAN', tags=[DXFTag(1000, 'Extended Data String')])
xdata = entity.get_xdata('MOZMAN')
assert len(xdata) == 1
assert DXFTag(1000, 'Extended Data String') == xdata[0]
def test_set_xdata(self, entity):
entity.set_xdata('MOZMAN', tags=[DXFTag(1000, 'Extended Data String')])
xdata = entity.get_xdata('MOZMAN')
assert 1 == len(xdata)
assert DXFTag(1000, 'Extended Data String') == xdata[0]
xdata.append(DXFTag(1000, 'Extended Data String2'))
entity.set_xdata('MOZMAN', xdata)
xdata = entity.get_xdata('MOZMAN')
assert 2 == len(xdata)
assert DXFTag(1000, 'Extended Data String') == xdata[0]
assert DXFTag(1000, 'Extended Data String2') == xdata[1]
def test_not_existing_appid(self, entity):
with pytest.raises(DXFValueError):
entity.get_xdata("XYZ")
def test_get_xdata_list_exception(self, entity):
with pytest.raises(DXFValueError):
_ = entity.get_xdata_list('ACAD', 'DSTYLE')
entity.set_xdata('ACAD', tags=[DXFTag(1000, 'Extended Data String')])
with pytest.raises(DXFValueError):
_ = entity.get_xdata_list('ACAD', 'DSTYLE')
def test_has_xdata_list(self, entity):
assert entity.has_xdata_list('ACAD', 'DSTYLE') is False
entity.set_xdata('ACAD', tags=[DXFTag(1000, 'Extended Data String')])
assert entity.has_xdata_list('ACAD', 'DSTYLE') is False
def test_set_xdata_list(self, entity):
entity.set_xdata_list('ACAD', 'DSTYLE', [(1070, 1), (1000, 'String')])
xdata_list = entity.get_xdata_list('ACAD', 'DSTYLE')
assert len(xdata_list) == 5
assert xdata_list == [
(1000, 'DSTYLE'),
(1002, '{'),
(1070, 1),
(1000, 'String'),
(1002, '}'),
]
# add another list to ACAD
entity.set_xdata_list('ACAD', 'MOZMAN', [(1070, 2), (1000, 'mozman')])
xdata = entity.get_xdata_list('ACAD', 'MOZMAN')
assert len(xdata) == 5
assert xdata == [
(1000, 'MOZMAN'),
(1002, '{'),
(1070, 2),
(1000, 'mozman'),
(1002, '}'),
]
xdata = entity.get_xdata('ACAD')
assert len(xdata) == 10
def test_discard_xdata_list(self, entity):
entity.set_xdata_list('ACAD', 'DSTYLE', [(1070, 1), (1000, 'String')])
xdata_list = entity.get_xdata_list('ACAD', 'DSTYLE')
assert len(xdata_list) == 5
entity.discard_xdata_list('ACAD', 'DSTYLE')
with pytest.raises(DXFValueError):
_ = entity.get_xdata_list('ACAD', 'DSTYLE')
entity.discard_xdata_list('ACAD', 'DSTYLE')
def test_replace_xdata_list(self, entity):
entity.set_xdata_list('ACAD', 'DSTYLE', [(1070, 1), (1000, 'String')])
xdata_list = entity.get_xdata_list('ACAD', 'DSTYLE')
assert len(xdata_list) == 5
assert xdata_list == [
(1000, 'DSTYLE'),
(1002, '{'),
(1070, 1),
(1000, 'String'),
(1002, '}'),
]
entity.set_xdata_list('ACAD', 'DSTYLE', [(1070, 2), (1000, 'mozman'), (1000, 'data')])
xdata_list = entity.get_xdata_list('ACAD', 'DSTYLE')
assert len(xdata_list) == 6
assert xdata_list == [
(1000, 'DSTYLE'),
(1002, '{'),
(1070, 2),
(1000, 'mozman'),
(1000, 'data'),
(1002, '}'),
]
# replace not existing list -> append list
entity.replace_xdata_list('ACAD', 'MOZMAN', [(1070, 3), (1000, 'new')])
xdata_list = entity.get_xdata_list('ACAD', 'MOZMAN')
assert len(xdata_list) == 5
assert xdata_list == [
(1000, 'MOZMAN'),
(1002, '{'),
(1070, 3),
(1000, 'new'),
(1002, '}'),
]
xdata = entity.get_xdata('ACAD')
assert len(xdata) == 6+5
class TestReactors:
@pytest.fixture
def entity(self):
return Line.from_text(LINE_DATA)
def test_has_no_reactors(self, entity):
assert entity.has_reactors() is False
def test_set_reactors(self, entity):
entity.set_reactors(['A000', 'B000', 'C000'])
assert entity.has_reactors() is True
handles = entity.get_reactors()
assert ['A000', 'B000', 'C000'] == handles
def test_append_handle(self, entity):
entity.set_reactors([])
assert 0 == len(entity.get_reactors())
entity.append_reactor_handle('A000')
assert 'A000' in entity.get_reactors()
entity.append_reactor_handle('B000')
assert 'B000' in entity.get_reactors()
assert 2 == len(entity.get_reactors())
entity.append_reactor_handle('B000') # same handle again
assert 'B000' in entity.get_reactors()
assert 2 == len(entity.get_reactors()), 'handle entries should be unique'
entity.append_reactor_handle('FF') # smallest handle, should be first handle in reactors
assert entity.get_reactors()[0] == 'FF'
entity.append_reactor_handle('FFFF') # biggest handle, should be last handle in reactors
assert 'FFFF' == entity.get_reactors()[-1]
def test_discard_handle(self, entity):
entity.set_reactors(['A000', 'B000', 'C000'])
entity.discard_reactor_handle('A000')
assert 2 == len(entity.get_reactors()), 'Handle not deleted'
entity.discard_reactor_handle('FFFF') # ignore not existing handles
assert 2 == len(entity.get_reactors())
class TestGetLayout:
@pytest.fixture(scope='class')
def doc(self):
return ezdxf.new()
def test_get_layout_model_space(self, doc):
msp = doc.modelspace()
circle = msp.add_circle(center=(0, 0), radius=1)
layout = circle.get_layout()
assert msp.name == layout.name
def test_get_layout_paper_space(self, doc):
psp = doc.layout()
circle = psp.add_circle(center=(0, 0), radius=1)
layout = circle.get_layout()
assert psp.name == layout.name
def test_get_layout_block(self, doc):
block = doc.blocks.new('TEST')
circle = block.add_circle(center=(0, 0), radius=1)
layout = circle.get_layout()
assert block.name == layout.name
def test_get_layout_without_layout(self, doc):
msp = doc.modelspace()
circle = msp.add_circle(center=(0, 0), radius=1)
msp.unlink_entity(circle)
assert circle.get_layout() is None