refactor(natu): rename xatu

src/natu/file_store_test.rs

@@ -0,0 +1,33 @@
+use std::path::PathBuf;
+
+use natu::{FileStore, SourceFile};
+
+fn source_file(path: &str, source: &str) -> SourceFile {
+    SourceFile {
+        path: PathBuf::from(path),
+        source: source.to_owned(),
+    }
+}
+
+#[test]
+fn added_file_can_be_retrieved_by_id() {
+    let mut store = FileStore::default();
+
+    let id = store.add(source_file("first.nix", "{ inherit foo; }"));
+    let file = store.get(id);
+
+    assert_eq!(PathBuf::from("first.nix"), file.path);
+    assert_eq!("{ inherit foo; }", file.source);
+}
+
+#[test]
+fn file_ids_refer_to_their_added_files() {
+    let mut store = FileStore::default();
+
+    let first = store.add(source_file("first.nix", "first"));
+    let second = store.add(source_file("second.nix", "second"));
+
+    assert_ne!(first, second);
+    assert_eq!("first", store.get(first).source);
+    assert_eq!("second", store.get(second).source);
+}