Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Testing and debugging Step Functions state machines

Step Functions provides the following ways to test and debug state machines:

Test with Test State in console and API

In the Step Functions console, you can test an individual state with Test State. You provide the state definition and inputs in the console, then Step Functions runs the state and shows the outputs, all without creating a state machine.

Or, you can use the TestState API to test an individual state. You provide the definition of a single state, and the API will execute the state and report results, also without creating an actual state machine.

See Testing with TestState through the TestState API to test your states.

Data flow simulator (unsupported)

Data flow simulator is a console tool that was built to test JSONPath syntax. The data flow simulator is unsupported.

See Testing with TestState through the TestState API to test your states.

Step Functions Local (unsupported)

With Amazon Step Functions Local, a downloadable version of Step Functions, you can test applications with Step Functions running in your own development environment.

Step Functions Local does not provide feature parity. For example, there is no support for optimized service integrations, cross-account access, or distributed map.