"""Tests for the shared metric registry factory."""

from unittest.mock import MagicMock

from ragas.llms.base import InstructorBaseRagasLLM
from ragas.embeddings.base import BaseRagasEmbedding

from rag_eval.metrics.factory import build_metric_registry


def _mock_llm():
    """Return a mock that passes RAGAS InstructorLLM type checks."""
    return MagicMock(spec=InstructorBaseRagasLLM)


def _mock_emb():
    """Return a mock that passes RAGAS embedding type checks."""
    return MagicMock(spec=BaseRagasEmbedding)


def test_build_metric_registry_has_all_seven_metrics():
    """The registry exposes every supported metric keyed by its canonical name."""
    registry = build_metric_registry(llm=_mock_llm(), embeddings=_mock_emb())
    assert set(registry) == {
        "faithfulness", "answer_relevancy", "context_recall", "context_precision",
        "noise_sensitivity", "factual_correctness", "semantic_similarity",
    }