Which function do you want to add comments to?
newTestJindoEngine in pkg\ddc\jindo\delete_volume_test.go.
What comments do you want to add?
// newTestJindoEngine creates a mock JindoEngine instance for testing purposes.
// This helper function is used to simulate JindoEngine behavior under different runtime conditions.
// It accepts a Kubernetes client, a runtime name and namespace, and a boolean flag indicating whether
// to initialize the engine with a runtime.
//
// Parameters:
// - client: a fake or real Kubernetes client used by the engine to interact with cluster resources.
// - name: the name of the JindoRuntime, used to build runtime metadata.
// - namespace: the namespace of the JindoRuntime.
// - withRunTime: if true, the engine will be initialized with a valid JindoRuntime and runtimeInfo;
// if false, the runtime and runtimeInfo will be set to nil, simulating a missing runtime.
//
// Returns:
// - A pointer to the initialized JindoEngine instance, ready for use in unit tests.