add mockrepo tests

tests/profile/read_mock_profile.rs

@@ -0,0 +1,71 @@
+use std::env::args;
+
+use gentoo_utils::{atom::Atom, repo::Repo, useflag::UseFlag};
+use itertools::Itertools;
+
+fn main() {
+    let repo_path = args()
+        .nth(1)
+        .expect("expected path to mockrepo as first argument");
+    let repo = Repo::new(&repo_path).expect("failed to read repo");
+    let profile = repo
+        .evaluate_profile("gentoo-desktop")
+        .expect("failed to evaluate profile");
+
+    let r#use = profile.make_defaults()["USE"]
+        .split_ascii_whitespace()
+        .sorted()
+        .collect::<Vec<_>>();
+
+    assert_eq!(r#use, vec!["emacs", "selinux",]);
+
+    let packages = profile
+        .packages()
+        .iter()
+        .map(Atom::to_string)
+        .sorted()
+        .collect::<Vec<_>>();
+
+    assert_eq!(
+        packages,
+        vec!["app-editors/emacs", "sec-policy/selinux-base"]
+    );
+
+    let packages_mask = profile
+        .package_mask()
+        .iter()
+        .map(Atom::to_string)
+        .sorted()
+        .collect::<Vec<_>>();
+
+    assert_eq!(packages_mask, vec!["app-editors/vim"]);
+
+    let emacs_use = profile
+        .package_use()
+        .iter()
+        .find_map(|(atom, flags)| {
+            if atom.clone().into_cp().to_string() == "app-editors/emacs" {
+                Some(flags)
+            } else {
+                None
+            }
+        })
+        .unwrap()
+        .iter()
+        .map(UseFlag::to_string)
+        .sorted()
+        .collect::<Vec<_>>();
+
+    assert_eq!(emacs_use, vec!["gui"]);
+
+    let use_force = profile
+        .use_force()
+        .iter()
+        .map(UseFlag::to_string)
+        .sorted()
+        .collect::<Vec<_>>();
+
+    assert_eq!(use_force, vec!["base", "caps", "default", "gui"]);
+
+    assert!(profile.use_mask().is_empty());
+}