from pathlib import Path

from gpu_rent.remote.civitai_fetch import should_skip


def test_should_skip_missing(tmp_path: Path):
    skip, _ = should_skip(tmp_path / "nope.safetensors", "abc")
    assert skip is False


def test_should_skip_exists_no_sha(tmp_path: Path):
    dest = tmp_path / "a.safetensors"
    dest.write_bytes(b"weights")
    skip, reason = should_skip(dest, "")
    assert skip is True
    assert "уже есть" in reason


def test_should_skip_sha_match(tmp_path: Path):
    dest = tmp_path / "a.safetensors"
    dest.write_bytes(b"weights")
    import hashlib

    digest = hashlib.sha256(b"weights").hexdigest()
    skip, reason = should_skip(dest, digest)
    assert skip is True
    assert "sha ok" in reason


def test_should_not_skip_bad_sha(tmp_path: Path):
    dest = tmp_path / "a.safetensors"
    dest.write_bytes(b"weights")
    skip, reason = should_skip(dest, "deadbeef" * 8)
    assert skip is False
    assert "перекачиваю" in reason