database removed outside

tests/database-root-static.test.js

@@ -0,0 +1,64 @@
+/*
+ * Description: Static regression tests for keeping mxPIC EDA runtime data outside the repository.
+ * Inside functions: N/A - assertion-based test/module script.
+ * Developer : Qin Yue @ 2026
+ * Organization : OptiHK Limited
+ */
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+const root = path.resolve(__dirname, '..');
+const backend = path.join(root, 'backend');
+const storagePathsPath = path.join(backend, 'storage_paths.py');
+const storagePathsPy = fs.existsSync(storagePathsPath)
+  ? fs.readFileSync(storagePathsPath, 'utf8')
+  : '';
+const databasePy = fs.readFileSync(path.join(backend, 'database.py'), 'utf8');
+const serverPy = fs.readFileSync(path.join(backend, 'server.py'), 'utf8');
+const gitignore = fs.readFileSync(path.join(root, '.gitignore'), 'utf8');
+
+assert(
+  fs.existsSync(storagePathsPath),
+  'backend/storage_paths.py should be the single source of truth for runtime storage paths'
+);
+assert(
+  storagePathsPy.includes('MXPIC_DATABASE_ROOT'),
+  'storage path layer should support MXPIC_DATABASE_ROOT override'
+);
+assert(
+  storagePathsPy.includes('mxpic_EDA_database'),
+  'default runtime database folder should be sibling mxpic_EDA_database'
+);
+assert(
+  storagePathsPy.includes('DB_FILE') && storagePathsPy.includes('EXPORT_ROOT'),
+  'storage path layer should export DB_FILE and EXPORT_ROOT'
+);
+assert(
+  storagePathsPy.includes('raise RuntimeError'),
+  'storage path layer should fail fast when the external database root is invalid'
+);
+assert(
+  !serverPy.includes("DATABASE_ROOT = os.path.abspath(os.path.join(BASE_DIR, '..', 'database'))"),
+  'server.py should not hardcode in-repo database/ as DATABASE_ROOT'
+);
+assert(
+  serverPy.includes('from storage_paths import DATABASE_ROOT, EXPORT_ROOT'),
+  'server.py should import runtime storage roots from storage_paths'
+);
+assert(
+  !databasePy.includes('"..", "database", "mxpic_data.db"') &&
+    !databasePy.includes("'..', 'database', 'mxpic_data.db'"),
+  'database.py should not hardcode database/mxpic_data.db inside the repository'
+);
+assert(
+  databasePy.includes('from storage_paths import DB_FILE'),
+  'database.py should import DB_FILE from storage_paths'
+);
+assert(
+  gitignore.includes('/database/') &&
+    gitignore.includes('/backend/*.db') &&
+    gitignore.includes('*.db-wal') &&
+    gitignore.includes('/mxpic_EDA_database/'),
+  '.gitignore should ignore old and accidental in-repo runtime database artifacts'
+);