Create probe factory registry

force_bdss/tests/probe_classes/factory_registry_plugin.py

+from traits.api import List
+
+from force_bdss.factory_registry_plugin import FactoryRegistryPlugin
+
+from .kpi_calculator import ProbeKPICalculatorFactory
+
+
+class ProbeFactoryRegistryPlugin(FactoryRegistryPlugin):
+    mco_factories = List()
+    kpi_calculator_factories = List()
+    data_source_factories = List()
+    notification_listener_factories = List()
+
+    def _kpi_calculator_factories_default(self):
+        return ProbeKPICalculatorFactory(self)