"""Envelope tests for conflicts command."""
from __future__ import annotations
from collections.abc import Mapping
import json
import tempfile
import pathlib
import pytest
from tests.cli_test_helper import CliRunner

runner = CliRunner()

_FIELDS = ("muse_version", "schema", "timestamp", "warnings")


def _check(d: Mapping[str, object]) -> None:
    for f in _FIELDS:
        assert f in d, f"missing {f}"
    assert "schema_version" not in d


class TestConflictsEnvelope:
    def test_conflicts_no_merge_has_envelope(self) -> None:
        # Run in a fresh repo so no stale MERGE_STATE.json can bleed in
        with tempfile.TemporaryDirectory() as tmp:
            repo = pathlib.Path(tmp)
            runner.invoke(None, ["init"], cwd=repo)
            r = runner.invoke(None, ["conflicts", "--json"], cwd=repo)
        assert r.exit_code == 0, r.output
        d = json.loads(r.output)
        _check(d)
        assert d["merge_in_progress"] is False