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# Shadow-based integration test

This is an integration test for arti that uses the
[shadow](https://shadow.github.io/) simulator. It creates a simulation of a
small Tor network, uses the `arti` client to perform some transfers across this
simulated network, and validates that the transfers succeeded.

## Running locally

To run locally, you'll need to install shadow itself somewhere on our `PATH`,
following [shadow's installation
instructions](https://shadow.github.io/docs/guide/supported_platforms.html).

Next you'll need to install executables that will run inside the simulation, in the
locations where [`shadow.yaml`](./shadow.yaml) expects to find them.

* Ensure [`tgen`](https://github.com/shadow/tgen/) is on your PATH.

* Ensure [`tor`](https://gitlab.torproject.org/tpo/core/tor) is on your PATH.
  Typically you can install it using your host system's package manager.

* Build the `arti` client for target `x86_64-unknown-linux-gnu`, so that the
  binary is at: `../../target/x86_64-unknown-linux-gnu/debug/arti`.

Once those are installed, you can invoke the [`run.sh`](./run.sh) script from
this directory.