🧪 [test] split_repo 테스트 커버리지 보완 및 base branch 충돌 해소

scripts/ci/pr_review_merge_scheduler.py

@@ -1414,6 +1414,23 @@ def summarize_action_error(exc: RuntimeError) -> str:
 
 def self_test() -> None:
     """Exercise scheduler invariants without GitHub network access."""
+    assert split_repo("owner/name") == ("owner", "name")
+    assert split_repo("owner/name/extra") == ("owner", "name/extra")
+    try:
+        split_repo("owner")
+        raise AssertionError("expected ValueError")
+    except ValueError:
+        pass
+    try:
+        split_repo("/name")
+        raise AssertionError("expected ValueError")
+    except ValueError:
+        pass
+    try:
+        split_repo("owner/")
+        raise AssertionError("expected ValueError")
+    except ValueError:
+        pass
     sample = {
         "number": 1,
         "headRefOid": "abc",

tests/test_pr_review_merge_scheduler.py

@@ -1147,6 +1147,19 @@ def test_print_summary_self_test_parse_args_and_main(monkeypatch, capsys):
     sched.self_test()
     assert "self-test passed" in capsys.readouterr().out
 
+    real_split_repo = sched.split_repo
+    invalid_inputs = ["owner", "/name", "owner/"]
+    for accepted_invalid in invalid_inputs:
+        def fake_split_repo(repo, accepted_invalid=accepted_invalid):
+            if repo == accepted_invalid:
+                return ("accepted", "invalid")
+            return real_split_repo(repo)
+
+        monkeypatch.setattr(sched, "split_repo", fake_split_repo)
+        with pytest.raises(AssertionError, match="expected ValueError"):
+            sched.self_test()
+    monkeypatch.setattr(sched, "split_repo", real_split_repo)
+
     parsed = sched.parse_args(
         [
             "--repo",