fix typing in test folder

also include test folder in mypy check in ci

Author: BenediktSeidl

build.sh

@@ -269,7 +269,7 @@ if [ "$1" = "mypy" ]; then
         $PREFIX/bin/pip install $WHEELDIR/pygit2*-$PYTHON_TAG-*.whl
     fi
     $PREFIX/bin/pip install -r requirements-test.txt
-    $PREFIX/bin/mypy pygit2
+    $PREFIX/bin/mypy pygit2 test
 fi
 
 # Test .pyi stub file

pygit2/_pygit2.pyi

@@ -286,6 +286,8 @@ class Object:
     short_id: str
     type: 'Literal[GIT_OBJ_COMMIT] | Literal[GIT_OBJ_TREE] | Literal[GIT_OBJ_TAG] | Literal[GIT_OBJ_BLOB]'
     type_str: "Literal['commit'] | Literal['tree'] | Literal['tag'] | Literal['blob']"
+    author: Signature
+    tree: Tree
     @overload
     def peel(
         self, target_type: 'Literal[GIT_OBJ_COMMIT] | Type[Commit]'
@@ -675,9 +677,11 @@ class Branches:
     def __getitem__(self, name: str) -> Branch: ...
     def get(self, key: str) -> Branch: ...
     def __iter__(self) -> Iterator[str]: ...
-    def create(self, name: str, commit: Commit, force: bool = False) -> Branch: ...
+    def create(
+        self, name: str, commit: Object | Commit, force: bool = False
+    ) -> Branch: ...
     def delete(self, name: str) -> None: ...
-    def with_commit(self, commit: Commit | _OidArg | None) -> 'Branches': ...
+    def with_commit(self, commit: Object | Commit | _OidArg | None) -> 'Branches': ...
     def __contains__(self, name: _OidArg) -> bool: ...
 
 class Repository:

test/test_refs.py

@@ -61,6 +61,7 @@ def test_refs_list(testrepo: Repository) -> None:
 def test_head(testrepo: Repository) -> None:
     head = testrepo.head
     assert LAST_COMMIT == testrepo[head.target].id
+    assert not isinstance(head.raw_target, bytes)
     assert LAST_COMMIT == testrepo[head.raw_target].id
 
 
@@ -248,6 +249,7 @@ def test_refs_create_symbolic(testrepo: Repository) -> None:
 def test_refs_peel(testrepo: Repository) -> None:
     ref = testrepo.references.get('refs/heads/master')
     assert testrepo[ref.target].id == ref.peel().id
+    assert not isinstance(ref.raw_target, bytes)
     assert testrepo[ref.raw_target].id == ref.peel().id
 
     commit = ref.peel(Commit)