test: add test for delete item site

Reviewed-by: andriac
[Refs_ticket]: #5 , #6

backend/gn_module_monitoring/routes/site.py

@@ -155,8 +155,9 @@ def post_sites():
 
 @blueprint.route("/sites/<int:_id>", methods=["DELETE"])
 def delete_site(_id):
-    item_schema = MonitoringSitesSchema()
     item = TMonitoringSites.find_by_id(_id)
-    TMonitoringSites.query.filter_by(id_g=_id).delete()
+    db.session.delete(item)
     db.session.commit()
-    return item_schema.dump(item), 201
+    return {
+        "success": f"Item with {item.id_g} from table {item.__tablename__} is successfully deleted"
+    }, 200

backend/gn_module_monitoring/tests/test_routes/test_site.py

@@ -1,6 +1,7 @@
 import pytest
 from flask import url_for
 
+from gn_module_monitoring.monitoring.models import TMonitoringSites
 from gn_module_monitoring.monitoring.schemas import BibTypeSiteSchema, MonitoringSitesSchema
 from gn_module_monitoring.monitoring.models import TMonitoringSites
 
@@ -175,3 +176,17 @@ def test_post_sites(self, site_to_post_with_types, types_site, site_group_withou
             res.as_dict()["base_site_name"]
             == site_to_post_with_types["properties"]["base_site_name"]
         )
+
+    def test_delete_site(self, sites):
+        site = list(sites.values())[0]
+        id_base_site = site.id_base_site
+        item = TMonitoringSites.find_by_id(id_base_site)
+        r = self.client.delete(url_for("monitorings.delete_site", _id=id_base_site))
+
+        assert (
+            r.json["success"]
+            == f"Item with {item.id_g} from table {item.__tablename__} is successfully deleted"
+        )
+        with pytest.raises(Exception) as e:
+            TMonitoringSites.query.get_or_404(id_base_site)
+        assert "404 Not Found" in str(e.value)