Resolve "Features with multiple module dependencies are not correctly added to...

Resolve "Features with multiple module dependencies are not correctly added to the dependency graph"

armarx_setup/core/module_graph/module_graph.py

@@ -41,19 +41,22 @@ class ModuleGraph(nx.DiGraph):
         # Add edges by implicitly enabled features.
         for _, module in self.nodes(data="module"):
             module: Module
-            for feature_name, required_name in module.features.items():
-                # Check whether the module required by this feature is active.
-                if self.has_node(required_name):
-                    edge = (module.name, required_name)
-                    if not self.has_edge(*edge):
-                        # We should respect the optional dependency even
-                        # though the feature was not enabled explicitly.
-                        # => Consider the feature be enabled.
-                        dependency = Dependency(feature_name=feature_name)
-                        module.required_modules[required_name] = dependency
-                        self.add_edge(*edge, dependency=dependency)
-
-                    assert self.has_edge(*edge)
+            for feature_name, required_modules in module.features.items():
+                required_modules = [required_modules] if isinstance(required_modules, str)\
+                    else required_modules
+                # Check whether all modules required by this feature are active.
+                if all(self.has_node(required_module) for required_module in required_modules):
+                    edges = [(module.name, required_module) for required_module in required_modules]
+                    for edge in edges:
+                        if not self.has_edge(*edge):
+                            # We should respect the optional dependency even
+                            # though the feature was not enabled explicitly.
+                            # => Consider the feature be enabled.
+                            dependency = Dependency(feature_name=feature_name)
+                            module.required_modules[edge[1]] = dependency
+                            self.add_edge(*edge, dependency=dependency)
+
+                        assert self.has_edge(*edge)
 
         return self