from __future__ import annotations

from smriti_cli.formatters import format_metrics


def test_format_metrics_omits_empty_agent_distribution():
    out = format_metrics({
        "space_name": "empty",
        "coordination": {
            "total_checkpoints": 0,
            "unique_agents": 0,
            "agent_checkpoints": {},
        },
        "state_quality": {},
        "branches": {},
    })

    assert "0 checkpoints · 0 agents\n" in out
    assert "0 agents ()" not in out


def test_format_metrics_names_checkpoint_task_counts():
    out = format_metrics({
        "space_name": "demo",
        "coordination": {},
        "state_quality": {
            "checkpoints_with_structured_tasks": 5,
            "checkpoints_with_task_ids": 5,
        },
        "branches": {},
    })

    assert "5 checkpoints with structured tasks · 5 checkpoints with task IDs" in out