System design URL shortener: Spring Boot 4.1.1, base62 ids, Redis cache-aside, Redis Lua token bucket, 24 tests and live transcripts

scripts/test-report.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Runs the tests and writes one line per test (from the Surefire XML) to output/09-test-results.txt.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+mvn -B -q test > /dev/null
+python3 - <<'PY' > output/09-test-results.txt
+import glob, xml.etree.ElementTree as ET
+total = fail = 0
+for f in sorted(glob.glob("target/surefire-reports/TEST-*.xml")):
+    root = ET.parse(f).getroot()
+    cls = root.get("name").rsplit(".", 1)[-1]
+    for tc in root.iter("testcase"):
+        bad = tc.find("failure") is not None or tc.find("error") is not None
+        total += 1; fail += bad
+        print(("FAIL " if bad else "PASS ") + cls + "." + tc.get("name"))
+print(f"{total} tests, {fail} failures")
+PY