refactor: decompose explorer.py into analysis/tabs/ and add scheduler
- Extract 6 tab functions from explorer.py (3097 → 543 lines) - Create analysis/tabs/_rendering.py with shared plotly helpers - Move data logic to analysis/explorer_data.py - Add lazy-import wrappers in explorer.py for backward compat - Add scheduler.py with PipelineScheduler for daily pipeline runs - Add test_explorer_decomposition.py (5 tests, all pass) - Add test_scheduler.py (13 tests, all pass) - Full test suite: 222 passed, 2 skipped
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"""Tests for explorer.py decomposition (P3-001).
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Acceptance criteria:
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- explorer.py must be under 1500 lines.
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- Tab modules must define their build functions locally (not re-export from explorer).
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- No circular imports between explorer.py and analysis.tabs.
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"""
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import ast
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import inspect
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import pathlib
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class TestExplorerDecomposition:
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"""RED test: explorer.py must be under 1500 lines."""
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def test_explorer_line_count_under_1500(self):
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path = pathlib.Path("explorer.py")
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lines = path.read_text(encoding="utf-8").splitlines()
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assert len(lines) < 1500, (
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f"explorer.py has {len(lines)} lines; target is < 1500. "
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f"Extract tab functions and rendering helpers into analysis/tabs/."
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)
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def test_tab_modules_define_functions_locally(self):
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"""Each tab module must define its build_*_tab without delegating to explorer."""
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tabs = [
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("analysis/tabs/compass.py", "build_compass_tab"),
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("analysis/tabs/trajectories.py", "build_trajectories_tab"),
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("analysis/tabs/search.py", "build_search_tab"),
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("analysis/tabs/browser.py", "build_browser_tab"),
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("analysis/tabs/components.py", "build_svd_components_tab"),
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("analysis/tabs/quiz.py", "build_mp_quiz_tab"),
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]
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for module_path, func_name in tabs:
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source = pathlib.Path(module_path).read_text(encoding="utf-8")
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tree = ast.parse(source)
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func_def = None
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for node in ast.walk(tree):
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if isinstance(node, ast.FunctionDef) and node.name == func_name:
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func_def = node
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break
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assert func_def is not None, (
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f"{module_path} must define {func_name}"
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)
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# Ensure it's not a one-liner stub that imports from explorer
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body = func_def.body
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assert len(body) > 3, (
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f"{module_path}.{func_name} looks like a stub ({len(body)} lines). "
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f"Extract the real implementation from explorer.py."
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)
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def test_rendering_helpers_extracted(self):
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"""Rendering helpers should not live in explorer.py."""
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helpers = [
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"_render_scree_plot",
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"_build_party_axis_figure",
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"_render_party_axis_chart",
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"_render_party_axis_chart_1d",
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"_render_svd_time_trajectory",
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"_render_voting_results",
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"_add_y_direction_annotations",
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]
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source = pathlib.Path("explorer.py").read_text(encoding="utf-8")
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tree = ast.parse(source)
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defined = {node.name for node in ast.walk(tree) if isinstance(node, ast.FunctionDef)}
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for helper in helpers:
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assert helper not in defined, (
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f"{helper} should be extracted from explorer.py "
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f"into analysis/tabs/_rendering.py"
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)
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def test_no_circular_import_tabs_to_explorer(self):
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"""Tab modules must not import from explorer."""
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tab_modules = [
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"analysis/tabs/compass.py",
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"analysis/tabs/trajectories.py",
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"analysis/tabs/search.py",
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"analysis/tabs/browser.py",
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"analysis/tabs/components.py",
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"analysis/tabs/quiz.py",
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"analysis/tabs/_rendering.py",
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]
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for module_path in tab_modules:
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if not pathlib.Path(module_path).exists():
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continue
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source = pathlib.Path(module_path).read_text(encoding="utf-8")
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assert "from explorer import" not in source, (
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f"{module_path} imports from explorer.py — "
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f"move shared helpers to explorer_data.py or _rendering.py instead"
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)
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assert "import explorer" not in source, (
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f"{module_path} imports explorer module — "
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f"move shared helpers to explorer_data.py or _rendering.py instead"
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)
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"""Tests for scheduler.py — automated pipeline scheduling.
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TDD: write failing test, implement, refactor.
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"""
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from __future__ import annotations
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import signal
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from unittest.mock import MagicMock, patch
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import pytest
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class TestPipelineSchedulerInit:
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def test_default_db_path(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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assert sched.db_path == "data/motions.db"
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assert not sched._running
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def test_custom_db_path(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler(db_path="/tmp/test.db")
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assert sched.db_path == "/tmp/test.db"
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class TestPipelineSchedulerRunPipeline:
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def test_calls_pipeline_run_with_db_path(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler(db_path="/tmp/test.db")
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with patch("scheduler.run_pipeline") as mock_run:
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mock_run.return_value = 0
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sched.run_pipeline()
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mock_run.assert_called_once()
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# Verify args contain db_path via Namespace
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args = mock_run.call_args[0][0]
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assert args.db_path == "/tmp/test.db"
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def test_logs_error_on_pipeline_failure(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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with patch("scheduler.run_pipeline") as mock_run:
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mock_run.side_effect = RuntimeError("pipeline failed")
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with patch("scheduler._logger") as mock_logger:
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result = sched.run_pipeline()
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assert result == 1
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mock_logger.exception.assert_called_once()
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class TestPipelineSchedulerRunSummarizer:
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def test_calls_summarizer_update(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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with patch("scheduler.summarizer") as mock_summarizer:
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sched.run_summarizer()
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mock_summarizer.update_motion_summaries.assert_called_once()
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def test_logs_error_on_summarizer_failure(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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with patch("scheduler.summarizer") as mock_summarizer:
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mock_summarizer.update_motion_summaries.side_effect = RuntimeError(
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"summarizer failed"
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)
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with patch("scheduler._logger") as mock_logger:
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sched.run_summarizer()
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mock_logger.exception.assert_called_once()
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class TestPipelineSchedulerSchedule:
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def test_schedule_daily_adds_job(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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with patch("scheduler.schedule") as mock_schedule:
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mock_job = MagicMock()
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mock_schedule.every.return_value.day.at.return_value.do = mock_job
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sched.schedule_daily("02:00")
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mock_schedule.every.assert_called_once()
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def test_schedule_summarizer_adds_job(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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with patch("scheduler.schedule") as mock_schedule:
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mock_job = MagicMock()
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mock_schedule.every.return_value.hour.do = mock_job
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sched.schedule_summarizer(every_n_hours=6)
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mock_schedule.every.assert_called_once()
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class TestPipelineSchedulerLoop:
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def test_start_runs_pending_jobs(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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call_count = 0
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def _stop_after_first(*args, **kwargs):
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nonlocal call_count
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call_count += 1
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if call_count >= 3:
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sched.stop()
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with patch("scheduler.schedule.run_pending") as mock_run_pending:
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with patch("scheduler.time.sleep", side_effect=_stop_after_first):
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with patch("scheduler.signal.signal"):
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sched.start()
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assert mock_run_pending.called
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assert not sched._running
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def test_stop_sets_running_false(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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sched._running = True
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sched.stop()
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assert not sched._running
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def test_signal_handler_stops_scheduler(self):
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from scheduler import PipelineScheduler
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sched = PipelineScheduler()
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sched._running = True
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with patch.object(sched, "stop") as mock_stop:
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sched._signal_handler(signal.SIGINT, None)
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mock_stop.assert_called_once()
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class TestSchedulerCLI:
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def test_main_parses_args(self):
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from scheduler import main
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with patch("scheduler.PipelineScheduler") as mock_sched_class:
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mock_sched = MagicMock()
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mock_sched_class.return_value = mock_sched
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rc = main(["--pipeline-time", "03:00"])
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assert rc == 0
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mock_sched_class.assert_called_once_with(db_path="data/motions.db")
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mock_sched.schedule_daily.assert_called_once_with("03:00")
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mock_sched.start.assert_called_once()
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def test_main_custom_db_path(self):
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from scheduler import main
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with patch("scheduler.PipelineScheduler") as mock_sched_class:
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mock_sched = MagicMock()
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mock_sched.run_pipeline.return_value = 0
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mock_sched_class.return_value = mock_sched
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rc = main(["--db-path", "/tmp/test.db", "--once"])
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assert rc == 0
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mock_sched_class.assert_called_once_with(db_path="/tmp/test.db")
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mock_sched.run_pipeline.assert_called_once()
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