# gdtest_page_status > A test package for the page status badges feature ## Docs ### API Reference #### Classes > Core classes - [Processor](reference/Processor.html): A data processor that runs a pipeline of steps #### Exceptions > Exception classes - [PipelineError](reference/PipelineError.html): Raised when a pipeline step fails #### Functions > Public functions - [run_pipeline](reference/run_pipeline.html): Run a named pipeline