"""Tests for Langfuse tracing — works without Langfuse configured (no-op mode)."""

import pytest

from detect.tracing import trace_node, SpanContext, flush


def test_trace_node_noop():
    """Without LANGFUSE_SECRET_KEY, tracing is a no-op but doesn't error."""
    state = {"job_id": "test-job", "profile_name": "soccer_broadcast"}

    with trace_node(state, "extract_frames") as span:
        assert isinstance(span, SpanContext)
        span.set_output({"frames": 42})

    assert span.metadata["frames"] == 42
    assert span.metadata["status"] == "ok"
    assert "duration_seconds" in span.metadata


def test_trace_node_error():
    """Span records error status on exception."""
    state = {"job_id": "test-job"}

    with pytest.raises(ValueError):
        with trace_node(state, "bad_node") as span:
            raise ValueError("boom")

    assert span.metadata["status"] == "error"


def test_flush_noop():
    """Flush works when Langfuse is not configured."""
    flush()