test(integration): add cross-crate boundary tests

tests/integration/Cargo.toml

@@ -9,6 +9,10 @@ publish = false
 name = "bootstrap"
 path = "tests/bootstrap.rs"
 
+[[test]]
+name = "cross_crate"
+path = "tests/cross_crate.rs"
+
 [dev-dependencies]
 notstrap  = { path = "../../crates/notstrap" }
 notfiles  = { path = "../../crates/notfiles" }

tests/integration/tests/cross_crate.rs

@@ -0,0 +1,112 @@
+use std::fs;
+use std::path::Path;
+use tempfile::TempDir;
+
+use notcore::{HookPhase, HookSpec};
+use nothooks::{HookResult, HookRunner};
+use notsecrets::{resolve_age_key, AgeKeySource, FileSource};
+use notfiles::{link, LinkOptions};
+
+/// Test that notsecrets and nothooks can each be used independently
+/// in the same integration boundary — resolving an age key from a file
+/// and running a dot-phase hook both succeed without coupling.
+#[test]
+fn test_nothooks_notsecrets_independent() {
+    let dir = TempDir::new().unwrap();
+
+    // Write a fake age key via FileSource
+    let key_path = dir.path().join("age.key");
+    fs::write(&key_path, "AGE-SECRET-KEY-1CROSSCRATE\n").unwrap();
+
+    let sources: Vec<Box<dyn AgeKeySource>> = vec![Box::new(FileSource::new(key_path))];
+    let key = resolve_age_key(sources).unwrap();
+    assert!(
+        key.trim().starts_with("AGE-SECRET-KEY-"),
+        "expected age key prefix, got: {key:?}"
+    );
+
+    // Write a hook that just prints
+    let script = dir.path().join("chain.nu");
+    fs::write(&script, "print chain-ok\n").unwrap();
+
+    let spec = HookSpec {
+        name: "chain".to_string(),
+        script: script.to_str().unwrap().to_string(),
+        phase: HookPhase::Dot,
+    };
+
+    let runner = HookRunner::new(dir.path().to_path_buf());
+    let result = runner.run_hook(&spec);
+    assert!(
+        matches!(result, HookResult::Ok),
+        "expected HookResult::Ok, got: {result:?}"
+    );
+}
+
+/// Test that notfiles ignores .notfiles-state.toml and .nothooks-state.toml
+/// by default — they must not be symlinked into the target directory and must
+/// not appear in the returned State.
+#[test]
+fn test_notfiles_respects_default_ignore() {
+    let dotfiles = TempDir::new().unwrap();
+    let home = TempDir::new().unwrap();
+    let d = dotfiles.path();
+
+    // notfiles.toml — package "pkg" targeting home tempdir
+    fs::write(
+        d.join("notfiles.toml"),
+        format!(
+            "[defaults]\nmethod = \"symlink\"\ntarget = \"{}\"\n",
+            home.path().display()
+        ),
+    )
+    .unwrap();
+
+    // Package dir with a normal file and two state files that should be ignored
+    let pkg = d.join("pkg");
+    fs::create_dir_all(&pkg).unwrap();
+    fs::write(pkg.join("foo.txt"), "hello\n").unwrap();
+    fs::write(pkg.join(".notfiles-state.toml"), "# state\n").unwrap();
+    fs::write(pkg.join(".nothooks-state.toml"), "# state\n").unwrap();
+
+    let opts = LinkOptions { force: false, no_backup: false, dry_run: false, verbose: false };
+    let state = link(d, &[], &opts).unwrap();
+
+    // foo.txt linked
+    assert!(
+        home.path().join("foo.txt").exists(),
+        "foo.txt should be linked"
+    );
+
+    // state files NOT linked
+    assert!(
+        !home.path().join(".notfiles-state.toml").exists(),
+        ".notfiles-state.toml must not be linked"
+    );
+    assert!(
+        !home.path().join(".nothooks-state.toml").exists(),
+        ".nothooks-state.toml must not be linked"
+    );
+
+    // state doesn't record them either
+    let names: Vec<_> = state
+        .entries
+        .iter()
+        .map(|e| {
+            Path::new(&e.source)
+                .file_name()
+                .unwrap()
+                .to_str()
+                .unwrap()
+                .to_string()
+        })
+        .collect();
+    assert!(
+        !names.contains(&".notfiles-state.toml".to_string()),
+        ".notfiles-state.toml must not be in state entries"
+    );
+    assert!(
+        !names.contains(&".nothooks-state.toml".to_string()),
+        ".nothooks-state.toml must not be in state entries"
+    );
+}