Removing contexts now also reassign to parent or remove references to the context.

src/ifcopenshell-python/test/api/context/test_remove_context.py

@@ -0,0 +1,32 @@
+import test.bootstrap
+import ifcopenshell.api
+
+
+class TestRemoveContext(test.bootstrap.IFC4):
+    def test_removing_a_context(self):
+        context = self.file.createIfcGeometricRepresentationContext()
+        ifcopenshell.api.run("context.remove_context", self.file, context=context)
+        assert len(self.file.by_type("IfcGeometricRepresentationContext")) == 0
+
+    def test_removing_a_context_with_subcontexts(self):
+        context = self.file.createIfcGeometricRepresentationContext()
+        subcontext = self.file.createIfcGeometricRepresentationSubcontext()
+        subcontext.ParentContext = context
+        ifcopenshell.api.run("context.remove_context", self.file, context=context)
+        assert len(self.file.by_type("IfcGeometricRepresentationContext")) == 0
+
+    def test_removing_a_subcontext_and_reassigning_references_to_its_parent(self):
+        context = self.file.createIfcGeometricRepresentationContext()
+        subcontext = self.file.createIfcGeometricRepresentationSubcontext()
+        subcontext.ParentContext = context
+        representation = self.file.createIfcRepresentation(ContextOfItems=subcontext)
+        ifcopenshell.api.run("context.remove_context", self.file, context=subcontext)
+        assert len(self.file.by_type("IfcGeometricRepresentationSubcontext")) == 0
+        assert representation in self.file.get_inverse(context)
+
+    def test_removing_a_context_with_references(self):
+        subcontext = self.file.createIfcGeometricRepresentationSubContext()
+        representation = self.file.createIfcRepresentation(ContextOfItems=subcontext)
+        map_conversion = self.file.createIfcMapConversion(SourceCRS=subcontext)
+        ifcopenshell.api.run("context.remove_context", self.file, context=subcontext)
+        assert len([e for e in self.file]) == 0