Add basically test for 3 databases

scripts/util/database/sqlite.js

@@ -0,0 +1,42 @@
+/*
+ * server component for the TimeLimit App
+ * Copyright (C) 2019 - 2021 Jonas Lochmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+const { resolve } = require('path')
+const { spawn } = require('child_process')
+const { tempDir } = require('./helper.js')
+const { generateShortToken, generateToken } = require('../token.js')
+const { rimrafAsync, mkdirAsync, readFileAsync, writeFileAsync } = require('../filesystem.js')
+const { spawnAsync } = require('../process.js')
+const { sleep } = require('../sleep.js')
+
+async function startSqlite() {
+  try { await mkdirAsync(tempDir) } catch (ex) {/* ignore */}
+
+  const instanceDir = resolve(tempDir, generateShortToken())
+
+  await rimrafAsync(instanceDir)
+  await mkdirAsync(instanceDir)
+
+  return {
+    shutdown: () => rimrafAsync(instanceDir),
+    instanceDir,
+    connectionUrl: 'sqlite:///' +  instanceDir + '/test.db',
+    type: 'sqlite'
+  }
+}
+
+module.exports = { startSqlite }