Add junit-6-migration module: JUnit 5.14.4 vs 6.1.3, API diff and behaviour probes

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01YPgGH6aMbSLANL3E2HHmS6
2026-10-25 18:46:52 +00:00
parent 8fc8bc934f
commit 820318be7d
22 changed files with 1018 additions and 0 deletions
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Compiles src/compat/OldApis.java against the JUnit 5.14.4 jars and then the 6.1.3 jars and records the compiler's answer.
+# Run scripts/api_diff.py first: it downloads the jars into target/jars.
+set -uo pipefail
+cd "$(dirname "$0")/.."
+unset JAVA_TOOL_OPTIONS
+mkdir -p output target/compat
+J=target/jars
+[ -f "$J/apiguardian-api-1.1.2.jar" ] || curl -sSf --retry 5 -o "$J/apiguardian-api-1.1.2.jar" \
+  https://repo1.maven.org/maven2/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar
+compile() {   # $1 = label, $2 = jupiter version, $3 = platform version
+  for src in OldApis:05-old-apis FixedApis:06-fixed-apis; do
+    {
+      echo "JUnit $2, compiling ${src%%:*}.java"
+      javac -Xlint:deprecation --release 17 -d "target/compat/$1" \
+        -cp "$J/junit-jupiter-api-$2.jar:$J/junit-platform-commons-$3.jar:$J/apiguardian-api-1.1.2.jar" "src/compat/${src%%:*}.java" 2>&1 \
+        | sed -e '/^Picked up/d'
+      echo "javac exit status: ${PIPESTATUS[0]}"
+    } > "output/${src##*:}-$2.txt"
+  done
+}
+compile junit5 5.14.4 1.14.4
+compile junit6 6.1.3 6.1.3