chore(doc): Docs for rosenpass::{config, cli}

rosenpass/tests/config_Rosenpass_add_if_any.rs

@@ -0,0 +1,10 @@
+use rosenpass::config::Rosenpass;
+
+#[test]
+fn config_Rosenpass_add_if_any_example() {
+    let mut v = Rosenpass::empty();
+    v.add_if_any(4000);
+
+    assert!(v.listen.iter().any(|a| format!("{a:?}") == "0.0.0.0:4000"));
+    assert!(v.listen.iter().any(|a| format!("{a:?}") == "[::]:4000"));
+}

rosenpass/tests/config_Rosenpass_new.rs

@@ -0,0 +1,18 @@
+use rosenpass::config::{Keypair, Rosenpass};
+
+#[test]
+fn example_config_rosenpass_new() {
+    let (sk, pk) = ("./example.sk", "./example.pk");
+
+    assert_eq!(Rosenpass::empty(), Rosenpass::new(None));
+    assert_eq!(Rosenpass::empty(), Rosenpass::default());
+
+    assert_eq!(
+        Rosenpass::from_sk_pk(sk, pk),
+        Rosenpass::new(Some(Keypair::new(pk, sk)))
+    );
+
+    let mut v = Rosenpass::empty();
+    v.keypair = Some(Keypair::new(pk, sk));
+    assert_eq!(Rosenpass::from_sk_pk(sk, pk), v);
+}

rosenpass/tests/config_Rosenpass_parse_args_simple.rs

@@ -0,0 +1,36 @@
+use std::{
+    net::{IpAddr, Ipv4Addr, SocketAddr},
+    path::PathBuf,
+};
+
+use rosenpass::config::{Keypair, Rosenpass, RosenpassPeer, Verbosity};
+
+#[test]
+fn parse_simple() {
+    let argv = "public-key /my/public-key secret-key /my/secret-key verbose \
+                listen 0.0.0.0:9999 peer public-key /peer/public-key endpoint \
+                peer.test:9999 outfile /peer/rp-out";
+    let argv = argv.split(' ').map(|s| s.to_string()).collect();
+
+    let config = Rosenpass::parse_args(argv).unwrap();
+
+    assert_eq!(
+        config.keypair,
+        Some(Keypair::new("/my/public-key", "/my/secret-key"))
+    );
+    assert_eq!(config.verbosity, Verbosity::Verbose);
+    assert_eq!(
+        &config.listen,
+        &vec![SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 9999)]
+    );
+    assert_eq!(
+        config.peers,
+        vec![RosenpassPeer {
+            public_key: PathBuf::from("/peer/public-key"),
+            endpoint: Some("peer.test:9999".into()),
+            pre_shared_key: None,
+            key_out: Some(PathBuf::from("/peer/rp-out")),
+            ..Default::default()
+        }]
+    );
+}

rosenpass/tests/config_Rosenpass_store.rs

@@ -0,0 +1,42 @@
+use std::path::PathBuf;
+
+use rosenpass::config::{Rosenpass, Verbosity};
+
+#[test]
+fn example_config_rosenpass_store() -> anyhow::Result<()> {
+    rosenpass_secret_memory::policy::secret_policy_use_only_malloc_secrets();
+
+    let tmpdir = tempfile::tempdir()?;
+
+    let sk = tmpdir.path().join("example.sk");
+    let pk = tmpdir.path().join("example.pk");
+    let cfg = tmpdir.path().join("config.toml");
+
+    let mut c = Rosenpass::from_sk_pk(&sk, &pk);
+
+    // Can not commit config, path not known
+    assert!(c.commit().is_err());
+
+    // We can store it to an explicit path though
+    c.store(&cfg)?;
+
+    // Storing does not set commitment path
+    assert!(c.commit().is_err());
+
+    // We can reload the config now and the configurations
+    // are equal if we adjust the commitment path
+    let mut c2 = Rosenpass::load(&cfg)?;
+    c.config_file_path = PathBuf::from(&cfg);
+    assert_eq!(c, c2);
+
+    // And this loaded config can now be committed
+    c2.verbosity = Verbosity::Verbose;
+    c2.commit()?;
+
+    // And the changes actually made it to disk
+    let c3 = Rosenpass::load(cfg)?;
+    assert_eq!(c2, c3);
+    assert_ne!(c, c3);
+
+    Ok(())
+}

rosenpass/tests/config_Rosenpass_validate.rs

@@ -0,0 +1,37 @@
+use std::fs;
+
+use rosenpass::{cli::generate_and_save_keypair, config::Rosenpass};
+
+#[test]
+fn example_config_rosenpass_validate() -> anyhow::Result<()> {
+    rosenpass_secret_memory::policy::secret_policy_use_only_malloc_secrets();
+
+    let tmpdir = tempfile::tempdir()?;
+
+    // Empty validates OK
+    assert!(Rosenpass::empty().validate().is_ok());
+
+    // Missing secret key does not pass usefulness
+    assert!(Rosenpass::empty().check_usefullness().is_err());
+
+    let sk = tmpdir.path().join("example.sk");
+    let pk = tmpdir.path().join("example.pk");
+    let cfg = Rosenpass::from_sk_pk(&sk, &pk);
+
+    // Missing secret key does not validate
+    assert!(cfg.validate().is_err());
+
+    // But passes usefulness (the configuration is useful but invalid)
+    assert!(cfg.check_usefullness().is_ok());
+
+    // Providing empty key files does not help
+    fs::write(&sk, b"")?;
+    fs::write(&pk, b"")?;
+    assert!(cfg.validate().is_err());
+
+    // But after providing proper key files, the configuration validates
+    generate_and_save_keypair(sk, pk)?;
+    assert!(cfg.validate().is_ok());
+
+    Ok(())
+}