fix(raw): replace NaN values by 'NaN' inside output matrices

antarest/study/storage/rawstudy/model/filesystem/matrix/output_series_matrix.py

@@ -93,10 +93,11 @@ def parse_dataframe(
         date, body = self.date_serializer.extract_date(df)
 
         matrix = rename_unnamed(body).astype(float)
-        matrix = matrix.where(pd.notna(matrix), None)
-        matrix.index = date
-        matrix.columns = body.columns
-        return matrix
+        # replace NaN values by "NaN" for the front-end
+        final_matrix = matrix.fillna("NaN")
+        final_matrix.index = date
+        final_matrix.columns = body.columns
+        return final_matrix
 
     def parse(
         self,

tests/helpers.py

@@ -10,7 +10,6 @@
 #
 # This file is part of the Antares project.
 
-import math
 import time
 import uuid
 from datetime import datetime, timedelta, timezone
@@ -79,8 +78,6 @@ def assert_study(a: SUB_JSON, b: SUB_JSON) -> None:
         _assert_list(cast(List[float], a.tolist()), b)
     elif isinstance(a, list) and isinstance(b, np.ndarray):
         _assert_list(a, cast(List[float], b.tolist()))
-    elif isinstance(a, float) and math.isnan(a):
-        assert math.isnan(b)
     else:
         _assert_others(a, b)
 

tests/integration/raw_studies_blueprint/test_fetch_raw_data.py

@@ -290,7 +290,7 @@ def test_get_study_data(self, client: TestClient, user_access_token: str, intern
         if study_type == "raw":
             res = client.get(raw_url, params={"path": "output/20201014-1427eco/economy/mc-all/areas/de/id-monthly"})
             assert res.status_code == 200
-            assert np.isnan(res.json()["data"][0]).any()
+            assert "NaN" in res.json()["data"][0]
 
         # Iterate over all possible combinations of path and depth
         for path, depth in itertools.product([None, "", "/"], [0, 1, 2]):

tests/storage/integration/data/set_id_annual.py

@@ -10,8 +10,6 @@
 #
 # This file is part of the Antares project.
 
-import math
-
 set_id_annual = {
     "columns": [
         ("OP. COST", "Euro", "min"),
@@ -253,14 +251,14 @@
             1.0,
             1.0,
             1.0,
-            math.nan,
-            math.nan,
+            "NaN",
+            "NaN",
             1.0,
             1.0,
-            math.nan,
-            math.nan,
-            math.nan,
-            math.nan,
+            "NaN",
+            "NaN",
+            "NaN",
+            "NaN",
             1.0,
             1.0,
             1.0,