diff --git a/rp/tests/smoketest.rs b/rp/tests/smoketest.rs
new file mode 100644
index 0000000..894f77f
--- /dev/null
+++ b/rp/tests/smoketest.rs
@@ -0,0 +1,50 @@
+use std::process::Command;
+
+#[test]
+fn smoketest() -> anyhow::Result<()> {
+    let tmpdir = tempfile::tempdir()?;
+
+    let secret = tmpdir.path().join("server.secret");
+    let public = tmpdir.path().join("server.public");
+    let invalid = tmpdir.path().join("invalid.secret");
+    let toml = tmpdir.path().join("config.toml");
+
+    let invalid_config = r#"
+        verbose = false
+        private_keys_dir = "invliad"
+
+        [[peers]]
+        public_keys_dir = "invliad"
+    "#;
+
+    // Generate keys
+    let status = Command::new(env!("CARGO_BIN_EXE_rp"))
+        .args(["genkey", secret.to_str().unwrap()])
+        .spawn()?
+        .wait()?;
+    assert!(status.success());
+
+    // Derive Public keys
+    let status = Command::new(env!("CARGO_BIN_EXE_rp"))
+        .args(["pubkey", secret.to_str().unwrap(), public.to_str().unwrap()])
+        .spawn()?
+        .wait()?;
+    assert!(status.success());
+
+    // Can not exchange keys using exchange with invalid keys
+    let out = Command::new(env!("CARGO_BIN_EXE_rp"))
+        .args(["exchange", invalid.to_str().unwrap()])
+        .output()?;
+    assert!(!out.status.success());
+
+    std::fs::write(toml, invalid_config)?;
+    let out = Command::new(env!("CARGO_BIN_EXE_rp"))
+        .args([
+            "exchange-config",
+            tmpdir.path().join("invalid_config").to_str().unwrap(),
+        ])
+        .output()?;
+    assert!(!out.status.success());
+
+    Ok(())
+}