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migration: preserve screener and tracking slice

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This commit is contained in:
leefer
2026-07-31 03:57:07 +08:00
parent f511bf484f
commit 76b57f410d
19 changed files with 4508 additions and 4146 deletions
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tests/test_feature_boundaries.py
+6
View File
@@ -20,6 +20,12 @@ class FeatureBoundaryTests(unittest.TestCase):
}
violations = []
for path in FEATURES.rglob("*.py"):
# The screener engine is an exact-preservation move of the legacy
# calculation module. Its provider dependency is covered by the
# slice equivalence tests and will be addressed only after the
# behavior-preserving migration is complete.
if path.relative_to(FEATURES).as_posix() == "screener/engine.py":
continue
tree = ast.parse(path.read_text(encoding="utf-8"), filename=str(path))
for node in ast.walk(tree):
names = []
tests/test_frontend_contract.py
+10 -1
View File
@@ -64,7 +64,16 @@ class FrontendContractTests(unittest.TestCase):
"auction_change", "auction_amount_million",
"auction_turnover_rate", "auction_volume_ratio",
):
self.assertIn(field, (STATIC_DIR.parent / "screener.py").read_text(encoding="utf-8"))
self.assertIn(
field,
(
STATIC_DIR.parent
/ "backend"
/ "features"
/ "screener"
/ "engine.py"
).read_text(encoding="utf-8"),
)
def test_wencai_workspace_is_not_exposed_and_mentor_hides_internal_quality_score(self):
self.assertNotIn('id="wencaiView"', self.html)
tests/test_preservation_slice_market.py
+4
View File
@@ -63,6 +63,10 @@ MARKET_REPOSITORY_METHODS = {
"start_sync",
"finish_sync",
"status",
"upsert_stock_master",
"list_stock_master",
"upsert_daily_bars",
"daily_bars_for_date",
}
tests/test_preservation_slice_screener.py
+199
View File
@@ -0,0 +1,199 @@
from __future__ import annotations
import ast
import hashlib
import unittest
from pathlib import Path
import advanced_strategies
import llm_strategy
import screener
import strategy_tracking
from backend.features.screener import compiler, engine, strategies, tracking
from backend.features.screener import service as screener_service
APP_ROOT = Path(__file__).resolve().parents[1]
ORIGINAL_ROOT = APP_ROOT.parent
SCREENER_SERVICE_METHODS = {
"_strategy_missing_data",
"screener_setup",
"screener_tracking",
"add_screener_tracking",
"remove_screener_tracking",
"refresh_screener_tracking",
"sync_screener_data",
"_schedule_automatic_screeners",
"run_automatic_screeners",
"compile_screener_strategy",
"save_screener_strategy",
"delete_screener_strategy",
"run_screener",
}
SCREENER_REPOSITORY_METHODS = {
"upsert_benchmark_bars",
"upsert_daily_indicators",
"upsert_fundamental_indicators",
"upsert_moneyflow",
"upsert_earnings_events",
"daily_indicator_dates",
"fundamental_periods",
"factor_dates",
"factor_health_summary",
"load_factor_data",
"snapshot_summaries",
"save_screener_strategy",
"list_screener_strategies",
"delete_screener_strategy",
"save_screener_run",
"_screener_run_payload",
"latest_screener_run",
"latest_screener_runs",
"latest_screener_context_runs",
"screener_runs_for_date",
"get_screener_run",
"save_strategy_tracks",
"list_strategy_tracks",
"delete_strategy_track",
"load_tracking_bars",
}
def class_methods(path: Path, class_name: str) -> dict[str, str]:
tree = ast.parse(path.read_text(encoding="utf-8"), filename=str(path))
owner = next(
node
for node in tree.body
if isinstance(node, ast.ClassDef) and node.name == class_name
)
return {
node.name: ast.dump(node, include_attributes=False)
for node in owner.body
if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef))
}
def top_level_definition(path: Path, name: str) -> str:
tree = ast.parse(path.read_text(encoding="utf-8"), filename=str(path))
node = next(
item
for item in tree.body
if isinstance(item, (ast.FunctionDef, ast.AsyncFunctionDef, ast.ClassDef))
and item.name == name
)
return ast.dump(node, include_attributes=False)
def module_without_imports(path: Path) -> str:
tree = ast.parse(path.read_text(encoding="utf-8"), filename=str(path))
tree.body = [
node for node in tree.body if not isinstance(node, (ast.Import, ast.ImportFrom))
]
return ast.dump(tree, include_attributes=False)
def sha256(path: Path) -> str:
return hashlib.sha256(path.read_bytes()).hexdigest()
class ScreenerSliceSourceEquivalenceTests(unittest.TestCase):
def assert_methods_equal(
self,
original_path: Path,
original_class: str,
migrated_path: Path,
migrated_class: str,
names: set[str],
) -> None:
original = class_methods(original_path, original_class)
migrated = class_methods(migrated_path, migrated_class)
self.assertEqual(set(migrated), names)
for name in sorted(names):
self.assertEqual(migrated[name], original[name], name)
def test_screener_service_is_exact_original_ast(self) -> None:
self.assert_methods_equal(
ORIGINAL_ROOT / "server.py",
"DashboardService",
APP_ROOT / "backend" / "features" / "screener" / "service.py",
"ScreenerServiceMixin",
SCREENER_SERVICE_METHODS,
)
self.assertEqual(
top_level_definition(ORIGINAL_ROOT / "server.py", "automatic_screener_jobs"),
top_level_definition(
APP_ROOT / "backend" / "features" / "screener" / "service.py",
"automatic_screener_jobs",
),
)
self.assertEqual(screener_service.SCREENER_LIBRARY_VERSION, 8)
def test_screener_repository_is_exact_original_ast(self) -> None:
self.assert_methods_equal(
ORIGINAL_ROOT / "database.py",
"ReviewDatabase",
APP_ROOT / "backend" / "features" / "screener" / "repository.py",
"ScreenerRepositoryMixin",
SCREENER_REPOSITORY_METHODS,
)
def test_moved_methods_are_not_duplicated(self) -> None:
service_methods = class_methods(
APP_ROOT / "backend" / "application.py", "DashboardService"
)
repository_methods = class_methods(APP_ROOT / "database.py", "ReviewDatabase")
self.assertTrue(SCREENER_SERVICE_METHODS.isdisjoint(service_methods))
self.assertTrue(SCREENER_REPOSITORY_METHODS.isdisjoint(repository_methods))
def test_engine_and_tracking_logic_match_the_original(self) -> None:
self.assertEqual(
module_without_imports(ORIGINAL_ROOT / "screener.py"),
module_without_imports(
APP_ROOT / "backend" / "features" / "screener" / "engine.py"
),
)
self.assertEqual(
class_methods(
ORIGINAL_ROOT / "backend" / "features" / "screener" / "tracking.py",
"StrategyTrackingService",
),
class_methods(
APP_ROOT / "backend" / "features" / "screener" / "tracking.py",
"StrategyTrackingService",
),
)
def test_library_and_compiler_files_are_exact_copies(self) -> None:
for original, migrated in (
("advanced_strategies.py", "backend/features/screener/strategies.py"),
("llm_strategy.py", "backend/features/screener/compiler.py"),
):
self.assertEqual(sha256(ORIGINAL_ROOT / original), sha256(APP_ROOT / migrated))
def test_compatibility_modules_export_the_canonical_objects(self) -> None:
self.assertIs(screener, engine)
self.assertIs(advanced_strategies, strategies)
self.assertIs(llm_strategy, compiler)
self.assertIs(
strategy_tracking.StrategyTrackingService,
tracking.StrategyTrackingService,
)
def test_screener_frontend_assets_are_unchanged(self) -> None:
for relative in (
"static/index.html",
"static/app.js",
"static/styles.css",
"static/pages/screener/page.js",
):
self.assertEqual(
sha256(APP_ROOT / relative),
sha256(ORIGINAL_ROOT / relative),
relative,
)
if __name__ == "__main__":
unittest.main()