tree-diff] another test

Author: Byron

git-diff/src/visit/changes.rs

@@ -100,9 +100,8 @@ impl<'a> visit::Changes<'a> {
                                             )?;
                                             break 'inner_less;
                                         } else {
-                                            todo!("need test: inner loop handle cursor next");
-                                            // delegate.pop_path_component();
-                                            // delete_entry_schedule_recursion(lhs, &mut state.trees, delegate)?;
+                                            delegate.pop_path_component();
+                                            delete_entry_schedule_recursion(lhs, &mut state.trees, delegate)?;
                                         }
                                     }
                                     None => {

git-diff/tests/fixtures/make_diff_repo.sh

@@ -66,3 +66,6 @@ mkdir g
 touch g/a
 git add g
 git commit -qam 'add g/a'
+
+git rm c d e
+git commit -qam 'remove /c /d /e'

git-diff/tests/visit/mod.rs

@@ -15,6 +15,7 @@ mod changes {
         const COMMIT_13: &str = "05533d594489fae72d4e7422fbdf061c1b70bc22";
         const COMMIT_14: &str = "ac7c4c37c3939b820f3ff9003a7ed11d6143dc2b";
         const COMMIT_15: &str = "6112ecdac98a18bcbdbd83f0b180b3e1df12e293";
+        const COMMIT_16: &str = "0ca25edc0c0b38fd6b6a0f6e4797dc08bf0c55c2";
 
         fn db() -> crate::Result<linked::Db> {
             linked::Db::at(
@@ -257,6 +258,29 @@ mod changes {
                 ],
                 ":000000 100644 0000000000000000000000000000000000000000 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 A	g/a"
             );
+            assert_eq!(
+                diff_with_previous_commit_from(&db, COMMIT_16)?,
+                vec![
+                    recorder::Change::Deletion {
+                        entry_mode: EntryMode::Blob,
+                        oid: hex_to_id("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"),
+                        path: "c".into()
+                    },
+                    recorder::Change::Deletion {
+                        entry_mode: EntryMode::Blob,
+                        oid: hex_to_id("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"),
+                        path: "d".into()
+                    },
+                    recorder::Change::Deletion {
+                        entry_mode: EntryMode::Blob,
+                        oid: hex_to_id("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"),
+                        path: "e".into()
+                    },
+                ],
+                ":100644 000000 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0000000000000000000000000000000000000000 D	c
+                 :100644 000000 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0000000000000000000000000000000000000000 D	d
+                 :100644 000000 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0000000000000000000000000000000000000000 D	e"
+            );
             Ok(())
         }
     }