fix decode && update cmp res

tests/test_newset_decode.py

@@ -0,0 +1,56 @@
+from __future__ import annotations
+
+import subprocess
+import importlib.util
+import sys
+from pathlib import Path
+
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+SCRIPTS_DIR = REPO_ROOT / "scripts"
+if str(SCRIPTS_DIR) not in sys.path:
+    sys.path.insert(0, str(SCRIPTS_DIR))
+
+
+def load_script(name: str):
+    path = SCRIPTS_DIR / f"{name}.py"
+    spec = importlib.util.spec_from_file_location(name, path)
+    assert spec is not None and spec.loader is not None
+    module = importlib.util.module_from_spec(spec)
+    sys.modules[name] = module
+    spec.loader.exec_module(module)
+    return module
+
+
+# Produced by the original ALT mkset at bpp=16 from sym0..sym3 and sym0.
+# The provider payload includes a base62 Z escape; the required payload does not.
+PROVIDER_SET = "set:jg2ZwFjdTD2B0"
+REQUIRED_SET = "set:jiXMb"
+
+
+def test_newset_decodes_base62_escape_before_comparing_subset(tmp_path: Path) -> None:
+    compare_set = load_script("compare_realization")
+    compare_cmp = load_script("compare_cmp_realization")
+    build_dir = tmp_path / "build"
+    build_dir.mkdir()
+    run_set = compare_set.compile_runner(
+        REPO_ROOT / "reimplement" / "newset.c",
+        REPO_ROOT / "rpm-build",
+        build_dir,
+        "cc",
+        "g++",
+    )
+    assert run_set.is_file()
+    run_cmp = compare_cmp.compile_cmp_runner(build_dir, REPO_ROOT / "rpm-build", "g++")
+
+    completed = subprocess.run(
+        [str(run_cmp), PROVIDER_SET, REQUIRED_SET],
+        text=True,
+        capture_output=True,
+        check=True,
+    )
+    values = dict(
+        line.split("\t", 1) for line in completed.stdout.splitlines() if "\t" in line
+    )
+
+    assert values["cmp_result"] == "1"