Function find_and_prepare_jar

Tester.py:61–95

Finds the generated JAR and moves it to a predictable location.

(test_dir: str, test_name: str, target_dir: str, logs: list)

        logs.append(f"|---- ❌ java exited with code {proc.returncode}")
        ci_diagnostic(logs, f"STDOUT:\n{proc.stdout}\nSTDERR:\n{proc.stderr}")
        return False

    expected_path = test.directory / (
        "java-output.release.expected" if release else "java-output.expected"
    )
    if release and not expected_path.exists():
        expected_path = test.directory / "java-output.expected"
    if not expected_path.exists():
        return True

    # so it works on Windows
    expected = "".join(read(expected_path).strip().split()).replace("\\", "/")
    actual = "".join(f"STDOUT:{proc.stdout.strip()}STDERR:{proc.stderr.strip()}".split()).replace("\\", "/")
    
    if actual == expected:
        logs.append("|--- ✅ Output matches expected output!")
        return True

    diff = (
        f"--- EXPECTED ---\n{read(expected_path)}\n\n"
        f"--- ACTUAL STDOUT ---\n{proc.stdout}\n\n"
        f"--- ACTUAL STDERR ---\n{proc.stderr}\n"
    )
    (test.directory / "output-diff.generated").write_text(diff, encoding="utf-8")
    logs.append("|---- ❌ java output did not match expected output")
    ci_diagnostic(logs, diff)
    return False

def java_process_inputs(test: TestCase) -> tuple[list[str], str | None]:
    arguments_path = test.directory / "java-args.json"
    arguments: list[str] = []
    if arguments_path.exists():
        parsed = json.loads(read(arguments_path))
        if not isinstance(parsed, list) or not all(isinstance(value, str) for value in parsed):
            raise ValueError(f"{arguments_path} must contain a JSON array of strings")
        arguments = parsed
    stdin_path = test.directory / "java-stdin.txt"
    stdin = read(stdin_path) if stdin_path.exists() else None