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Timmy-time-dashboard/tests/test_agentic_loop.py
2026-03-18 20:54:02 -04:00

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"""Unit tests for the agentic loop module.
Tests cover data structures, plan parsing, planning, execution,
max_steps enforcement, failure adaptation, double-failure,
progress callbacks, broadcast helper, summary logic, and
response cleaning.
"""
from unittest.mock import AsyncMock, MagicMock, patch
import pytest
from timmy.agentic_loop import (
AgenticResult,
AgenticStep,
_broadcast_progress,
_parse_steps,
run_agentic_loop,
)
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
def _mock_run(content: str):
"""Create a mock return value for agent.run()."""
m = MagicMock()
m.content = content
return m
# ---------------------------------------------------------------------------
# _parse_steps
# ---------------------------------------------------------------------------
class TestDataStructures:
def test_agentic_step_fields(self):
step = AgenticStep(
step_num=1, description="Do X", result="Done", status="completed", duration_ms=42
)
assert step.step_num == 1
assert step.status == "completed"
assert step.duration_ms == 42
def test_agentic_result_defaults(self):
r = AgenticResult(task_id="abc", task="test", summary="ok")
assert r.steps == []
assert r.status == "completed"
assert r.total_duration_ms == 0
# ---------------------------------------------------------------------------
# _parse_steps
# ---------------------------------------------------------------------------
class TestParseSteps:
def test_numbered_with_dot(self):
text = "1. Search for data\n2. Write to file\n3. Verify"
assert _parse_steps(text) == ["Search for data", "Write to file", "Verify"]
def test_numbered_with_paren(self):
text = "1) Read config\n2) Update value\n3) Restart"
assert _parse_steps(text) == ["Read config", "Update value", "Restart"]
def test_fallback_plain_lines(self):
text = "Search the web\nWrite results\nDone"
assert _parse_steps(text) == ["Search the web", "Write results", "Done"]
def test_empty_returns_empty(self):
assert _parse_steps("") == []
def test_whitespace_only_returns_empty(self):
assert _parse_steps(" \n \n ") == []
def test_leading_whitespace_in_numbered(self):
text = " 1. First\n 2. Second"
assert _parse_steps(text) == ["First", "Second"]
def test_mixed_numbered_and_plain(self):
"""When numbered lines are present, only those are returned."""
text = "Here is the plan:\n1. Step one\n2. Step two\nGood luck!"
result = _parse_steps(text)
assert result == ["Step one", "Step two"]
# ---------------------------------------------------------------------------
# run_agentic_loop
# ---------------------------------------------------------------------------
@pytest.mark.asyncio
async def test_planning_phase_produces_steps():
"""Planning prompt returns numbered step list."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. Search AI news\n2. Write to file\n3. Verify"),
_mock_run("Found 5 articles about AI."),
_mock_run("Wrote summary to /tmp/ai_news.md"),
_mock_run("File verified, 15 lines."),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Search AI news and write summary")
assert result.status == "completed"
assert len(result.steps) == 3
@pytest.mark.asyncio
async def test_loop_executes_all_steps():
"""Loop calls agent.run() for plan + each step + summary."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. Do A\n2. Do B"),
_mock_run("A done"),
_mock_run("B done"),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Do A and B")
# plan + 2 steps = 3 calls
assert mock_agent.run.call_count == 3
assert len(result.steps) == 2
@pytest.mark.asyncio
async def test_loop_respects_max_steps():
"""Loop stops at max_steps and returns status='partial'."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. A\n2. B\n3. C\n4. D\n5. E"),
_mock_run("A done"),
_mock_run("B done"),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Do 5 things", max_steps=2)
assert len(result.steps) == 2
assert result.status == "partial"
@pytest.mark.asyncio
async def test_failure_triggers_adaptation():
"""Failed step feeds error back to model, step marked as adapted."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. Read config\n2. Update setting\n3. Verify"),
_mock_run("Config: timeout=30"),
Exception("Permission denied"),
_mock_run("Adapted: wrote to ~/config.yaml instead"),
_mock_run("Verified: timeout=60"),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Update config timeout to 60")
assert result.status == "completed"
assert any(s.status == "adapted" for s in result.steps)
@pytest.mark.asyncio
async def test_progress_callback_fires():
"""on_progress called for each step completion."""
events = []
async def on_progress(desc, step, total):
events.append((step, total))
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. Do A\n2. Do B"),
_mock_run("A done"),
_mock_run("B done"),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
await run_agentic_loop("Do A and B", on_progress=on_progress)
assert len(events) == 2
assert events[0] == (1, 2)
assert events[1] == (2, 2)
@pytest.mark.asyncio
async def test_result_contains_step_metadata():
"""AgenticResult.steps has status and duration per step."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. Search\n2. Write"),
_mock_run("Found results"),
_mock_run("Written to file"),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Search and write")
for step in result.steps:
assert step.status in ("completed", "failed", "adapted")
assert step.duration_ms >= 0
assert step.description
assert step.result
@pytest.mark.asyncio
async def test_config_default_used():
"""When max_steps=0, uses settings.max_agent_steps."""
mock_agent = MagicMock()
# Return more steps than default config allows (10)
steps_text = "\n".join(f"{i}. Step {i}" for i in range(1, 15))
side_effects = [_mock_run(steps_text)]
# 10 step results
for i in range(1, 11):
side_effects.append(_mock_run(f"Step {i} done"))
mock_agent.run = MagicMock(side_effect=side_effects)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Do 14 things", max_steps=0)
# Should be capped at 10 (config default)
assert len(result.steps) == 10
@pytest.mark.asyncio
async def test_planning_failure_returns_failed():
"""If the planning phase fails, result.status is 'failed'."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(side_effect=Exception("Model offline"))
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Do something")
assert result.status == "failed"
assert "Planning failed" in result.summary
@pytest.mark.asyncio
async def test_empty_plan_returns_failed():
"""Planning that produces no steps results in 'failed'."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(return_value=_mock_run(""))
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Do nothing")
assert result.status == "failed"
assert "no steps" in result.summary.lower()
@pytest.mark.asyncio
async def test_double_failure_marks_step_failed():
"""When both execution and adaptation fail, step status is 'failed'."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. Do something"),
Exception("Step failed"),
Exception("Adaptation also failed"),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Try and fail", max_steps=1)
assert len(result.steps) == 1
assert result.steps[0].status == "failed"
assert "Failed" in result.steps[0].result
assert result.status == "partial"
@pytest.mark.asyncio
async def test_broadcast_progress_ignores_ws_errors():
"""_broadcast_progress swallows import/connection errors."""
with patch(
"timmy.agentic_loop.ws_manager",
create=True,
side_effect=ImportError("no ws"),
):
# Should not raise
await _broadcast_progress("test.event", {"key": "value"})
@pytest.mark.asyncio
async def test_broadcast_progress_sends_to_ws():
"""_broadcast_progress calls ws_manager.broadcast."""
mock_ws = AsyncMock()
with patch("infrastructure.ws_manager.handler.ws_manager", mock_ws):
await _broadcast_progress("agentic.plan_ready", {"task_id": "abc"})
mock_ws.broadcast.assert_awaited_once_with("agentic.plan_ready", {"task_id": "abc"})
@pytest.mark.asyncio
async def test_summary_counts_step_statuses():
"""Summary string includes completed, adapted, and failed counts."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. A\n2. B\n3. C"),
_mock_run("A done"),
Exception("B broke"),
_mock_run("B adapted"),
Exception("C broke"),
Exception("C adapt broke too"),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("A B C", max_steps=3)
assert "1 adapted" in result.summary
assert "1 failed" in result.summary
assert result.status == "partial"
@pytest.mark.asyncio
async def test_task_id_is_set():
"""Result has a non-empty task_id."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(side_effect=[_mock_run("1. X"), _mock_run("done")])
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("One step")
assert result.task_id
assert len(result.task_id) == 8
@pytest.mark.asyncio
async def test_total_duration_is_set():
"""Result.total_duration_ms is a positive integer."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(side_effect=[_mock_run("1. X"), _mock_run("done")])
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Quick task")
assert result.total_duration_ms >= 0
@pytest.mark.asyncio
async def test_agent_run_without_content_attr():
"""When agent.run() returns an object without .content, str() is used."""
class PlanResult:
def __str__(self):
return "1. Only step"
class StepResult:
def __str__(self):
return "Step result"
mock_agent = MagicMock()
mock_agent.run = MagicMock(side_effect=[PlanResult(), StepResult()])
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
result = await run_agentic_loop("Fallback test", max_steps=1)
assert len(result.steps) == 1
@pytest.mark.asyncio
async def test_adapted_step_calls_on_progress():
"""on_progress is called even for adapted steps."""
events = []
async def on_progress(desc, step, total):
events.append((desc, step))
mock_agent = MagicMock()
mock_agent.run = MagicMock(
side_effect=[
_mock_run("1. Risky step"),
Exception("boom"),
_mock_run("Adapted result"),
]
)
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", new_callable=AsyncMock),
):
await run_agentic_loop("Adapt test", max_steps=1, on_progress=on_progress)
assert len(events) == 1
assert "[Adapted]" in events[0][0]
@pytest.mark.asyncio
async def test_broadcast_called_for_each_phase():
"""_broadcast_progress is called for plan_ready, step_complete, and task_complete."""
mock_agent = MagicMock()
mock_agent.run = MagicMock(side_effect=[_mock_run("1. Do it"), _mock_run("Done")])
broadcast = AsyncMock()
with (
patch("timmy.agentic_loop._get_loop_agent", return_value=mock_agent),
patch("timmy.agentic_loop._broadcast_progress", broadcast),
):
await run_agentic_loop("One step task", max_steps=1)
event_names = [call.args[0] for call in broadcast.call_args_list]
assert "agentic.plan_ready" in event_names
assert "agentic.step_complete" in event_names
assert "agentic.task_complete" in event_names