[QC-1147] Bug in CustomParameters::getAllDefaults (#2239)

* [QC-1147] Bug in CustomParameters::getAllDefaults

* format

Author: Barthelemy

Framework/src/CustomParameters.cxx

@@ -52,7 +52,12 @@ const std::unordered_map<std::string, std::string>& CustomParameters::getAllForR
 
 const std::unordered_map<std::string, std::string>& CustomParameters::getAllDefaults()
 {
-  return getAllForRunBeam("default", "default");
+  try {
+    return getAllForRunBeam("default", "default");
+  } catch (std::out_of_range outOfRange) {
+    // we ignore the fact that we could not find anything and return an empty map
+    return mCustomParameters["null"]["null"];
+  }
 }
 
 std::string CustomParameters::at(const std::string& key, const std::string& runType, const std::string& beamType) const

Framework/test/testCustomParameters.cxx

@@ -258,3 +258,10 @@ TEST_CASE("test_default_if_not_found_at")
   CHECK(cp.at("key", "TECHNICAL", "STRANGE") == "valueDefaultDefault");       // key is not defined for run nor beam
   CHECK(cp.at("key", "TECHNICAL", "PROTON-PROTON") == "valueCosmicsDefault"); // key is not defined for technical
 }
+
+TEST_CASE("test_getAllDefaults")
+{
+  CustomParameters cp;
+  auto result = cp.getAllDefaults();
+  CHECK(result.size() == 0);
+}