# Dispatcher tests | |
These cover the client/server message dispatching layer: | |
- client/server endpoints | |
- client binding API | |
- client internals | |
* `fidl::internal::ResponseContext` | |
* `fidl::internal::ClientBase` | |
- server binding API | |
- server internals | |
* `fidl::Transaction` | |
It is preferable to keep tests self-contained and focused. |