test: add harness and some examples (#2941)

* test: add harness and some examples

* feat: tests ran on pr

src/backend/clients/database/SqliteDatabaseClient.ts

@@ -20,8 +20,8 @@
 import { existsSync, readFileSync } from 'fs';
 import { basename, extname, join, resolve } from 'path';
 import { createContext, runInContext } from 'vm';
-import { AbstractDatabaseClient, type WriteResult } from './DatabaseClient';
 import type { IConfig } from '../../types';
+import { AbstractDatabaseClient, type WriteResult } from './DatabaseClient';
 
 const MIGRATIONS_DIR = resolve(__dirname, './migrations/sqlite');
 
@@ -76,6 +76,7 @@ const AVAILABLE_MIGRATIONS: [number, string[]][] = [
     [41, ['0045_user_oidc_providers.sql']],
     [42, ['0046_is-private-apps.sql']],
     [43, ['0047_app-url-updates.sql']],
+    [44, ['0048_old-app-names-unique-tuple.sql']],
 ];
 
 export class SqliteDatabaseClient extends AbstractDatabaseClient {
@@ -95,7 +96,9 @@ export class SqliteDatabaseClient extends AbstractDatabaseClient {
     override async onServerStart(): Promise<void> {
         const Database = (await import('better-sqlite3')).default;
 
-        const dbPath = this.config.database?.path ?? ':memory:';
+        const dbPath = this.config.database?.inMemory
+            ? ':memory:'
+            : (this.config.database?.path ?? ':memory:');
         const isNew = dbPath === ':memory:' || !existsSync(dbPath);
 
         this.db = new Database(dbPath);
@@ -453,6 +456,13 @@ export class SqliteDatabaseClient extends AbstractDatabaseClient {
                 version: 43,
                 check: () => this.hasColumn('apps', 'is_private'),
             },
+            {
+                version: 44,
+                check: () =>
+                    this.hasRow(
+                        "SELECT 1 FROM sqlite_master WHERE type = 'table' AND name = 'old_app_names' AND sql LIKE '%UNIQUE%app_uid%name%'",
+                    ),
+            },
         ];
 
         let inferredUserVersion = 0;