migration: preserve frontend shell pages and styles

2026-07-31 15:08:57 +08:00
parent 26e67b3a92
commit 66c22a5449
64 changed files with 9918 additions and 9443 deletions
@@ -0,0 +1,100 @@
+from __future__ import annotations
+
+import re
+import unittest
+
+from backend.bootstrap.config import APP_DIR, STATIC_DIR
+from tests.preservation_helpers import (
+    FRONTEND_ROOT,
+    ORIGINAL_STATIC,
+    assert_moved_asset_matches,
+    assert_page_prefix_matches,
+    reassembled_frontend_runtime,
+)
+
+
+class FrontendPreservationSliceTests(unittest.TestCase):
+    def test_split_runtime_reassembles_to_the_exact_original(self) -> None:
+        self.assertEqual(
+            reassembled_frontend_runtime(),
+            (ORIGINAL_STATIC / "app.js").read_text(encoding="utf-8"),
+        )
+
+    def test_index_diff_is_limited_to_asset_relocation_and_split_loading(self) -> None:
+        migrated = (FRONTEND_ROOT / "index.html").read_text(encoding="utf-8")
+        restored = migrated
+        for current, original in (
+            ("/styles/styles.css", "/styles.css"),
+            ("/styles/renovation.css", "/renovation.css"),
+            ("/styles/redesign-v2.css", "/redesign-v2.css"),
+            ("/styles/design-system.css", "/design-system.css"),
+            ("/styles/theme.css", "/theme.css"),
+            ("/pages/heaven/page.css", "/wentian-v2.css"),
+            ("/shared/ui-core.js", "/ui-core.js"),
+            ("/pages/heaven/loading-v2.js", "/heaven-loading-v2.js"),
+        ):
+            restored = restored.replace(current, original)
+        restored = restored.replace(
+            '  <script src="/pages/market/runtime.js?v=20260731-1" defer></script>\n',
+            "",
+        )
+        restored = restored.replace(
+            '  <script src="/shared/export.js?v=20260731-1" defer></script>\n',
+            "",
+        )
+        self.assertEqual(
+            restored,
+            (ORIGINAL_STATIC / "index.html").read_text(encoding="utf-8"),
+        )
+
+    def test_complete_stylesheet_stack_is_byte_identical_after_relocation(self) -> None:
+        for original, migrated in (
+            ("shared/tokens.css", "shared/tokens.css"),
+            ("styles.css", "styles/styles.css"),
+            ("renovation.css", "styles/renovation.css"),
+            ("redesign-v2.css", "styles/redesign-v2.css"),
+            ("design-system.css", "styles/design-system.css"),
+            ("theme.css", "styles/theme.css"),
+            ("wentian-v2.css", "pages/heaven/page.css"),
+        ):
+            with self.subTest(asset=original):
+                assert_moved_asset_matches(self, original, migrated)
+
+    def test_shared_vendor_and_animation_assets_are_byte_identical(self) -> None:
+        for original, migrated in (
+            ("ui-core.js", "shared/ui-core.js"),
+            ("heaven-loading-v2.js", "pages/heaven/loading-v2.js"),
+            ("heaven-loading.js", "heaven-loading.js"),
+            ("vendor/lucide.min.js", "vendor/lucide.min.js"),
+            ("pages.config.js", "pages.config.js"),
+            ("pages/runtime.js", "pages/runtime.js"),
+            ("shared/api.js", "shared/api.js"),
+            ("shared/components.js", "shared/components.js"),
+            ("shared/shell.js", "shared/shell.js"),
+            ("shared/state.js", "shared/state.js"),
+        ):
+            with self.subTest(asset=original):
+                assert_moved_asset_matches(self, original, migrated)
+
+    def test_original_page_registration_prefixes_are_preserved(self) -> None:
+        for path in sorted((ORIGINAL_STATIC / "pages").glob("*/page.js")):
+            relative = path.relative_to(ORIGINAL_STATIC).as_posix()
+            with self.subTest(page=relative):
+                assert_page_prefix_matches(self, relative)
+
+    def test_frontend_is_the_only_served_static_root(self) -> None:
+        self.assertEqual(STATIC_DIR, APP_DIR / "frontend")
+        self.assertFalse((APP_DIR / "static").exists())
+
+    def test_shared_api_remains_the_only_fetch_exit(self) -> None:
+        consumers = []
+        for path in FRONTEND_ROOT.rglob("*.js"):
+            if "vendor" in path.parts:
+                continue
+            if re.search(r"\bfetch\s*\(", path.read_text(encoding="utf-8")):
+                consumers.append(path.relative_to(FRONTEND_ROOT).as_posix())
+        self.assertEqual(consumers, ["shared/api.js"])
+
+
+if __name__ == "__main__":
+    unittest.main()