A whole bunch of new usecases for managing IFC library information and references

src/ifcopenshell-python/test/api/library/test_remove_reference.py

@@ -0,0 +1,12 @@
+import test.bootstrap
+import ifcopenshell.api
+
+
+class TestRemoveReference(test.bootstrap.IFC4):
+    def test_removing_a_reference(self):
+        reference = self.file.createIfcLibraryReference()
+        product = self.file.createIfcWall()
+        ifcopenshell.api.run("library.assign_reference", self.file, product=product, reference=reference)
+        ifcopenshell.api.run("library.remove_reference", self.file, reference=reference)
+        assert len(self.file.by_type("IfcLibraryReference")) == 0
+        assert len(self.file.by_type("IfcRelAssociatesLibrary")) == 0