migration: establish exact preserved app baseline
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leefer
@@ -0,0 +1,133 @@
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from __future__ import annotations
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import json
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import re
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import unittest
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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STATIC = ROOT / "static"
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class FrontendBoundaryTests(unittest.TestCase):
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def test_shared_api_is_the_only_application_fetch_exit(self) -> None:
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fetch_files = []
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for path in STATIC.rglob("*.js"):
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if "vendor" in path.parts:
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continue
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if re.search(r"\bfetch\s*\(", path.read_text(encoding="utf-8")):
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fetch_files.append(path.relative_to(STATIC).as_posix())
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self.assertEqual(fetch_files, ["shared/api.js"])
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def test_shared_dependencies_load_before_application(self) -> None:
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html = (STATIC / "index.html").read_text(encoding="utf-8")
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ui_position = html.index('/ui-core.js')
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components_position = html.index('/shared/components.js')
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pages_position = html.index('/pages.config.js')
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runtime_position = html.index('/pages/runtime.js')
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state_position = html.index('/shared/state.js')
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api_position = html.index('/shared/api.js')
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shell_position = html.index('/shared/shell.js')
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app_position = html.index('/app.js')
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self.assertLess(ui_position, components_position)
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self.assertLess(components_position, pages_position)
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self.assertLess(pages_position, state_position)
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self.assertLess(pages_position, runtime_position)
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self.assertLess(runtime_position, state_position)
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self.assertLess(state_position, api_position)
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self.assertLess(api_position, shell_position)
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self.assertLess(shell_position, app_position)
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def test_application_state_is_created_through_shared_boundary(self) -> None:
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app = (STATIC / "app.js").read_text(encoding="utf-8")
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self.assertIn("const state = window.XiaobaiState.create({", app)
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self.assertNotIn("const state = {", app)
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def test_runtime_page_registry_matches_governance_registry(self) -> None:
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expected = json.loads(
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(ROOT / "config" / "pages.config.json").read_text(encoding="utf-8")
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)["pages"]
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runtime = (STATIC / "pages.config.js").read_text(encoding="utf-8")
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rows = re.findall(
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r'^\s*\["([^"]+)", "([^"]+)", "([^"]+)", "([^"]+)", "([^"]+)", (true|false)\],$',
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runtime,
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re.MULTILINE,
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)
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actual = [
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{
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"id": row[0],
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"title": row[1],
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"feature": row[2],
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"group": row[3],
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"access": row[4],
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"default": row[5] == "true",
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"desktop_scroll": "page",
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"mobile_layout": "dedicated",
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}
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for row in rows
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]
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self.assertEqual(actual, expected)
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def test_shell_owns_navigation_and_page_mounting(self) -> None:
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app = (STATIC / "app.js").read_text(encoding="utf-8")
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shell = (STATIC / "shared" / "shell.js").read_text(encoding="utf-8")
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self.assertNotIn("function syncNavigationState", app)
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self.assertNotIn("function initializeApplicationShell", app)
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self.assertIn("function syncNavigation(viewId)", shell)
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self.assertIn("function mount(viewId, mountOptions = {})", shell)
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self.assertIn("function openModalDialog(dialog)", shell)
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self.assertNotIn('document.querySelectorAll(".module-tab").forEach', app)
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def test_every_registered_view_has_one_feature_page_module(self) -> None:
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html = (STATIC / "index.html").read_text(encoding="utf-8")
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runtime_position = html.index('/pages/runtime.js')
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app_position = html.index('/app.js')
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expected = {
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page["id"]: page["feature"]
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for page in json.loads(
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(ROOT / "config" / "pages.config.json").read_text(encoding="utf-8")
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)["pages"]
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}
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expected["screenerTrackingView"] = "screener"
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actual: dict[str, str] = {}
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for path in (STATIC / "pages").glob("*/page.js"):
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script_url = f'/pages/{path.parent.name}/page.js'
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self.assertIn(script_url, html)
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self.assertLess(runtime_position, html.index(script_url))
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self.assertLess(html.index(script_url), app_position)
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script = path.read_text(encoding="utf-8")
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for match in re.finditer(
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r'XiaobaiPageModules\.register\("([^"]+)",\s*\[(.*?)\]',
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script,
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re.DOTALL,
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):
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feature = match.group(1)
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for view_id in re.findall(r'"([A-Za-z][A-Za-z0-9]+)"', match.group(2)):
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self.assertNotIn(view_id, actual)
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actual[view_id] = feature
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self.assertEqual(actual, expected)
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def test_page_lifecycle_is_owned_outside_application_monolith(self) -> None:
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app = (STATIC / "app.js").read_text(encoding="utf-8")
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runtime = (STATIC / "pages" / "runtime.js").read_text(encoding="utf-8")
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start = app.index("function openView(")
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end = app.index("\nfunction initializeAutoTableSorting", start)
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open_view = app[start:end]
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self.assertIn("pageModules.beforeMount(viewId, previousView);", open_view)
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self.assertIn("pageModules.afterMount(viewId, previousView);", open_view)
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self.assertNotRegex(open_view, r'viewId\s*[!=]==?\s*"')
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self.assertIn("function beforeMount(viewId, previousView)", runtime)
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self.assertIn("function afterMount(viewId, previousView)", runtime)
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def test_shared_empty_state_component_is_used_by_multiple_features(self) -> None:
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components = (STATIC / "shared" / "components.js").read_text(encoding="utf-8")
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app = (STATIC / "app.js").read_text(encoding="utf-8")
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self.assertIn("function emptyStateHtml(message, options = {})", components)
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self.assertIn("function renderEmptyState(target, message, options = {})", components)
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self.assertGreaterEqual(app.count("renderEmptyState("), 8)
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self.assertGreaterEqual(app.count("emptyStateHtml("), 8)
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if __name__ == "__main__":
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unittest.main()
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