tests for author/committer/user (#331)

Author: Byron

Diff for: git-repository/tests/fixtures/generated-archives/make_config_repo.tar.xz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:506336963df7857dadb52b694cdaa19679b63419f114bc91ae0ef25728a5c01a
-size 9320
+oid sha256:035cf83cc4e212ac2df20c905dd09f27142832fc5ad5c7950d9b85ea51a672cd
+size 9360

Diff for: git-repository/tests/fixtures/make_config_repo.sh

@@ -19,12 +19,20 @@ cat <<EOF >>.git/config
 
 [include]
   path = ../a.config
+
+[user]
+  name = user
+  email = user@email
 EOF
 
 
 cat <<EOF >>a.config
 [a]
   local-override = from-a.config
+
+[committer]
+  name = committer
+  email = committer@email
 EOF
 cat <<EOF >>b.config
 [a]

Diff for: git-repository/tests/repository/config.rs

@@ -16,6 +16,9 @@ fn access_values() {
                 "GIT_CONFIG_SYSTEM",
                 work_dir.join("system.config").display().to_string(),
             )
+            .set("GIT_AUTHOR_NAME", "author")
+            .set("GIT_AUTHOR_EMAIL", "author@email")
+            .set("GIT_AUTHOR_DATE", "1979-02-26 18:30:00")
             .set("GIT_CONFIG_COUNT", "1")
             .set("GIT_CONFIG_KEY_0", "include.path")
             .set("GIT_CONFIG_VALUE_0", work_dir.join("c.config").display().to_string());
@@ -32,6 +35,36 @@ fn access_values() {
         )
         .unwrap();
 
+        assert_eq!(
+            repo.author(),
+            Some(git_actor::SignatureRef {
+                name: "author".into(),
+                email: "author@email".into(),
+                time: git_date::Time {
+                    seconds_since_unix_epoch: 42,
+                    offset_in_seconds: 1800,
+                    sign: git_date::time::Sign::Plus
+                }
+            }),
+            "the only parsesable marker time we know right now, indicating time parse success"
+        );
+        assert_eq!(
+            repo.committer(),
+            Some(git_actor::SignatureRef {
+                name: "committer".into(),
+                email: "committer@email".into(),
+                time: git_date::Time::now_local_or_utc()
+            })
+        );
+        assert_eq!(
+            repo.user_default(),
+            git_actor::SignatureRef {
+                name: "gitoxide".into(),
+                email: "gitoxide@localhost".into(),
+                time: git_date::Time::now_local_or_utc()
+            }
+        );
+
         let config = repo.config_snapshot();
 
         assert_eq!(config.boolean("core.bare"), Some(false));