Protect active E2E test resources from cleanup

utils/cleanupDBs.test.js

@@ -0,0 +1,23 @@
+const assert = require("node:assert/strict");
+const test = require("node:test");
+const { shouldDeleteResource } = require("./cleanupDBs");
+
+const cleanupThreshold = Date.now();
+
+test("deletes owned test resources older than the threshold", () => {
+  assert.equal(shouldDeleteResource("t_12345_1_dbab_1000", cleanupThreshold - 1, cleanupThreshold), true);
+});
+
+test("keeps owned test resources at or newer than the threshold", () => {
+  assert.equal(shouldDeleteResource("t_12345_1_dbab_1000", cleanupThreshold, cleanupThreshold), false);
+  assert.equal(shouldDeleteResource("t_12345_1_dbab_1000", cleanupThreshold + 1, cleanupThreshold), false);
+});
+
+test("keeps resources that are not marked as test-owned", () => {
+  assert.equal(shouldDeleteResource("seeded-database", cleanupThreshold - 1, cleanupThreshold), false);
+});
+
+test("keeps resources without a valid name or timestamp", () => {
+  assert.equal(shouldDeleteResource(undefined, cleanupThreshold - 1, cleanupThreshold), false);
+  assert.equal(shouldDeleteResource("t_12345_1_dbab_1000", undefined, cleanupThreshold), false);
+});