Removing a person no longer has the potential to leave files in an invalid state

src/ifcopenshell-python/test/api/owner/test_remove_person.py

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+import test.bootstrap
+import ifcopenshell.api
+
+
+class TestRemovePerson(test.bootstrap.IFC4):
+    def test_removing_a_person(self):
+        person = self.file.createIfcPerson()
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert len(self.file.by_type("IfcPerson")) == 0
+
+    def test_removing_roles_and_addresses_only_used_by_the_person(self):
+        role = self.file.createIfcActorRole()
+        address = self.file.createIfcPostalAddress()
+        person = self.file.createIfcPerson()
+        person.Roles = [role]
+        person.Addresses = [address]
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert len(self.file.by_type("IfcPerson")) == 0
+        assert len(self.file.by_type("IfcActorRole")) == 0
+        assert len(self.file.by_type("IfcPostalAddress")) == 0
+
+    def test_not_removing_roles_and_addresses_used_elsewhere(self):
+        role = self.file.createIfcActorRole()
+        address = self.file.createIfcPostalAddress()
+        person = self.file.createIfcPerson()
+        person2 = self.file.createIfcPerson()
+        person.Roles = [role]
+        person.Addresses = [address]
+        person2.Roles = [role]
+        person2.Addresses = [address]
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert len(self.file.by_type("IfcPerson")) == 1
+        assert len(self.file.by_type("IfcActorRole")) == 1
+        assert len(self.file.by_type("IfcPostalAddress")) == 1
+
+    def test_ensuring_work_controls_should_not_be_left_in_an_invalid_set_cardinality(self):
+        person = self.file.createIfcPerson()
+        work_control = self.file.createIfcWorkControl(Creators=[person])
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert work_control.Creators is None
+
+    def test_ensuring_inventory_should_not_be_left_in_an_invalid_set_cardinality(self):
+        person = self.file.createIfcPerson()
+        inventory = self.file.createIfcInventory(ResponsiblePersons=[person])
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert inventory.ResponsiblePersons is None
+
+    def test_deleting_person_and_organisations(self):
+        person = self.file.createIfcPerson()
+        self.file.createIfcPersonAndOrganization(ThePerson=person)
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert len(self.file.by_type("IfcPersonAndOrganization")) == 0
+
+    def test_deleting_actors(self):
+        person = self.file.createIfcPerson()
+        self.file.createIfcActor(GlobalId=ifcopenshell.guid.new(), TheActor=person)
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert len(self.file.by_type("IfcActor")) == 0
+
+    def test_ensuring_document_information_should_not_be_left_in_an_invalid_set_cardinality(self):
+        person = self.file.createIfcPerson()
+        document_information = self.file.createIfcDocumentInformation(Editors=[person])
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert document_information.Editors is None
+
+    def test_deleting_resource_approval_relationships(self):
+        person = self.file.createIfcPerson()
+        self.file.createIfcResourceApprovalRelationship(RelatedResourceObjects=[person])
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert len(self.file.by_type("IfcResourceApprovalRelationship")) == 0
+
+    def test_deleting_resource_constraint_relationships(self):
+        person = self.file.createIfcPerson()
+        self.file.createIfcResourceConstraintRelationship(RelatedResourceObjects=[person])
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert len(self.file.by_type("IfcResourceConstraintRelationship")) == 0
+
+    def test_deleting_external_reference_relationships(self):
+        person = self.file.createIfcPerson()
+        self.file.createIfcExternalReferenceRelationship(RelatedResourceObjects=[person])
+        ifcopenshell.api.run("owner.remove_person", self.file, person=person)
+        assert len(self.file.by_type("IfcExternalReferenceRelationship")) == 0