Add Tor feature flag and only run test if enabled

.github/workflows/ci.yml

@@ -46,6 +46,9 @@ jobs:
   build_test:
     runs-on: ubuntu-latest
     steps:
+      - name: Install tor
+        run: sudo apt-get tor
+
       - name: Checkout sources
         uses: actions/checkout@v2
 

xmr-btc/Cargo.toml

@@ -22,7 +22,7 @@ serde_json = "1"
 sha2 = "0.9"
 thiserror = "1"
 tokio = { version = "0.2", default-features = false, features = ["blocking", "macros", "rt-core", "time", "rt-threaded"] }
-torut = "0.1"
+torut = { version = "0.1", optional = true }
 tracing = "0.1"
 
 [dev-dependencies]
@@ -35,3 +35,7 @@ spectral = "0.6"
 testcontainers = "0.10"
 tracing = "0.1"
 tracing-subscriber = "0.2"
+
+[features]
+default = []
+tor = ["torut"]

xmr-btc/src/lib.rs

@@ -49,5 +49,6 @@ pub mod alice;
 pub mod bitcoin;
 pub mod bob;
 pub mod monero;
+#[cfg(feature = "tor")]
 pub mod tor;
 pub mod transport;

xmr-btc/tests/tor.rs

@@ -1,3 +1,6 @@
+#[cfg(feature = "tor")]
+mod tor_test {
+
     use anyhow::Result;
     use hyper::service::{make_service_fn, service_fn};
     use reqwest::StatusCode;
@@ -14,7 +17,8 @@ async fn hello_world(
     }
 
     fn start_test_service(port: u16, rx: Receiver<()>) {
-    let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(hello_world)) });
+        let make_svc =
+            make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(hello_world)) });
         let addr = ([127, 0, 0, 1], port).into();
         let server = hyper::Server::bind(&addr).serve(make_svc);
         let graceful = server.with_graceful_shutdown(async {
@@ -62,3 +66,4 @@ async fn test_tor_control_port() -> Result<()> {
         let _ = tx.send(());
         Ok(())
     }
+}