def test_git_head_commit_hash_valid(init_git_and_commit, tempdir_path):
repo_path = tempdir_path / "repo"
repo_path.mkdir()
(repo_path / "myfile").write_text("hi")
init_git_and_commit(repo_path)
assert 40 == len(_git_head_commit_hash(repo_path))
def test_git_head_ref_valid_detached(init_git_and_commit, call_git,
tempdir_path):
repo_path = tempdir_path / "repo"
repo_path.mkdir()
(repo_path / "myfile").write_text("hi")
init_git_and_commit(repo_path)
# Detach the HEAD
commit_hash = _git_head_commit_hash(repo_path)
call_git(f"git checkout {commit_hash}", cwd=repo_path)
assert _git_resolve_head(repo_path) is None
def test_git_head_commit_hash_invalid(tempdir_path):
# tempdir_path is not under a git repo.
with pytest.raises(RuntimeError):
_git_head_commit_hash(tempdir_path)