pset.assign_pset, pset.unassign_pset

src/ifcopenshell-python/test/api/pset/test_assign_pset.py

@@ -0,0 +1,58 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import test.bootstrap
+import ifcopenshell.api.pset
+import ifcopenshell.util.element
+
+
+class TestAssignPset(test.bootstrap.IFC4):
+    def test_assign_pset_to_occurrence(self):
+        elements = [self.file.create_entity("IfcWall") for _ in range(3)]
+        pset = self.file.create_entity("IfcPropertySet")
+        rel = ifcopenshell.api.pset.assign_pset(self.file, elements, pset)
+        assert rel
+
+        assert len(self.file.by_type("IfcRelDefinesByProperties")) == 1
+        assert rel.RelatingPropertyDefinition == pset
+        assert set(rel.RelatedObjects) == set(elements)
+
+    def test_assign_pset_to_occurrence_preexisting_rel(self):
+        elements = [self.file.create_entity("IfcWall") for _ in range(3)]
+        pset = self.file.create_entity("IfcPropertySet")
+        rel = ifcopenshell.api.pset.assign_pset(self.file, elements[:1], pset)
+        assert rel
+
+        rel_updated = ifcopenshell.api.pset.assign_pset(self.file, elements[1:], pset)
+        assert rel_updated == rel
+        assert len(self.file.by_type("IfcRelDefinesByProperties")) == 1
+        assert rel.RelatingPropertyDefinition == pset
+        assert set(rel.RelatedObjects) == set(elements)
+
+    def test_assign_pset_to_type(self):
+        elements = [self.file.create_entity("IfcWallType") for _ in range(3)]
+        pset = self.file.create_entity("IfcPropertySet")
+        ret = ifcopenshell.api.pset.assign_pset(self.file, elements, pset)
+        assert ret is None
+
+        assert len(self.file.by_type("IfcRelDefinesByProperties")) == 0
+        assert set(pset.DefinesType) == set(elements)
+
+
+class TestAssignPsetIFC2X3(test.bootstrap.IFC2X3, TestAssignPset):
+    pass

src/ifcopenshell-python/test/api/pset/test_unassign_pset.py

@@ -0,0 +1,66 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import test.bootstrap
+import ifcopenshell.api.pset
+import ifcopenshell.util.element
+
+
+class TestUnassignPset(test.bootstrap.IFC4):
+    def test_unassign_pset_from_last_occurrence_and_remove_rel(self):
+        elements = [self.file.create_entity("IfcWall") for _ in range(3)]
+        pset = self.file.create_entity("IfcPropertySet")
+        ifcopenshell.api.pset.assign_pset(self.file, elements, pset)
+
+        ifcopenshell.api.pset.unassign_pset(self.file, elements, pset)
+        assert len(self.file.by_type("IfcRelDefinesByProperties")) == 0
+
+    def test_unassign_pset_from_non_last_occurrence_and_reuse_rel(self):
+        elements = [self.file.create_entity("IfcWall") for _ in range(3)]
+        pset = self.file.create_entity("IfcPropertySet")
+        rel = ifcopenshell.api.pset.assign_pset(self.file, elements, pset)
+        assert rel
+
+        ifcopenshell.api.pset.unassign_pset(self.file, elements[1:], pset)
+        assert rel.RelatedObjects == (elements[0],)
+
+    def test_unassign_non_last_pset_from_type(self):
+        elements = [self.file.create_entity("IfcWallType") for _ in range(3)]
+        pset = self.file.create_entity("IfcPropertySet")
+        pset2 = self.file.create_entity("IfcPropertySet")
+        ifcopenshell.api.pset.assign_pset(self.file, elements, pset)
+        ifcopenshell.api.pset.assign_pset(self.file, elements, pset2)
+
+        ifcopenshell.api.pset.unassign_pset(self.file, elements, pset)
+        assert pset.DefinesType == tuple()
+        assert set(pset2.DefinesType) == set(elements)
+        for element in elements:
+            assert element.HasPropertySets == (pset2,)
+
+    def test_unassign_last_pset_from_type_and_set_prop_to_none(self):
+        elements = [self.file.create_entity("IfcWallType") for _ in range(3)]
+        pset = self.file.create_entity("IfcPropertySet")
+        ifcopenshell.api.pset.assign_pset(self.file, elements, pset)
+        ifcopenshell.api.pset.unassign_pset(self.file, elements, pset)
+        assert pset.DefinesType == tuple()
+        for element in elements:
+            assert element.HasPropertySets is None
+
+
+class TestUnassignPsetIFC2X3(test.bootstrap.IFC2X3, TestUnassignPset):
+    pass