add tests

src/antares/craft/model/binding_constraint.py

@@ -91,11 +91,6 @@ class ConstraintTerm(ConstraintTermData):
     def weight_offset(self) -> str:
         return f"{self.weight}%{self.offset}" if self.offset != 0 else f"{self.weight}"
 
-    def from_update_model(self, update_model: ConstraintTermUpdate) -> "ConstraintTerm":
-        return ConstraintTerm(
-            data=self.data, weight=update_model.weight or self.weight, offset=update_model.offset or self.offset
-        )
-
 
 @dataclass
 class BindingConstraintPropertiesUpdate:
@@ -159,13 +154,8 @@ def delete_term(self, term: ConstraintTerm) -> None:
 
     def update_term(self, term: ConstraintTermUpdate) -> None:
         existing_term = self._terms[term.id]
-        if not term.weight:
-            term.weight = existing_term.weight
-        self._binding_constraint_service.update_binding_constraint_term(self.id, term)
-        if term.offset:
-            existing_term.offset = term.offset
-        existing_term.weight = term.weight
-        self._terms[term.id] = existing_term
+        new_term = self._binding_constraint_service.update_binding_constraint_term(self.id, term, existing_term)
+        self._terms[term.id] = new_term
 
     def update_properties(self, properties: BindingConstraintPropertiesUpdate) -> None:
         new_properties = self._binding_constraint_service.update_binding_constraint_properties(self, properties)

src/antares/craft/service/api_services/services/binding_constraint.py

@@ -122,16 +122,24 @@ def delete_binding_constraint_term(self, constraint_id: str, term_id: str) -> No
             raise ConstraintTermDeletionError(constraint_id, term_id, e.message) from e
 
     @override
-    def update_binding_constraint_term(self, constraint_id: str, term: ConstraintTermUpdate) -> None:
+    def update_binding_constraint_term(
+        self, constraint_id: str, term: ConstraintTermUpdate, existing_term: ConstraintTerm
+    ) -> ConstraintTerm:
         url = f"{self._base_url}/studies/{self.study_id}/bindingconstraints/{constraint_id}/term"
         try:
-            body: dict[str, Any] = {"data": asdict(term.data), "weight": term.weight}
+            body: dict[str, Any] = {"data": asdict(term.data), "weight": term.weight or existing_term.weight}
             if term.offset:
                 body["offset"] = term.offset
             self._wrapper.put(url, json=body)
         except APIError as e:
             raise ConstraintTermEditionError(constraint_id, term.id, e.message) from e
 
+        if term.weight:
+            existing_term.weight = term.weight
+        if term.offset:
+            existing_term.offset = term.offset
+        return existing_term
+
     @override
     def update_binding_constraint_properties(
         self, binding_constraint: BindingConstraint, properties: BindingConstraintPropertiesUpdate

src/antares/craft/service/base_services.py

@@ -541,11 +541,14 @@ def delete_binding_constraint_term(self, constraint_id: str, term_id: str) -> No
         pass
 
     @abstractmethod
-    def update_binding_constraint_term(self, constraint_id: str, term: "ConstraintTermUpdate") -> None:
+    def update_binding_constraint_term(
+        self, constraint_id: str, term: "ConstraintTermUpdate", existing_term: "ConstraintTerm"
+    ) -> "ConstraintTerm":
         """
         Args:
             constraint_id: binding constraint's id containing the term
-            term: binding constraint term to be updated
+            term: term with new values
+            existing_term: existing term with existing values
         """
         pass
 

src/antares/craft/service/local_services/services/binding_constraint.py

@@ -158,7 +158,9 @@ def delete_binding_constraint_term(self, constraint_id: str, term_id: str) -> No
         raise NotImplementedError
 
     @override
-    def update_binding_constraint_term(self, constraint_id: str, term: ConstraintTermUpdate) -> None:
+    def update_binding_constraint_term(
+        self, constraint_id: str, term: ConstraintTermUpdate, existing_term: ConstraintTerm
+    ) -> ConstraintTerm:
         raise NotImplementedError
 
     @override