Correct INIT extraction and profile item fields

tools/test_extract_init.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+"""Regression tests for INIT table extraction.
+
+Run: py -3.11 -X utf8 tools/test_extract_init.py
+"""
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent))
+import extract_init
+import paths
+import sys4load
+
+
+FAILS: list[str] = []
+
+
+def check(condition: bool, message: str) -> None:
+    print(("  ok  " if condition else " FAIL ") + message)
+    if not condition:
+        FAILS.append(message)
+
+
+def test_real_name_tables() -> None:
+    expected = {
+        "SKINIT.BIN": (300, 131),
+        "ITINIT.BIN": (1000, 287),
+        "EBINIT.BIN": (1000, 277),
+    }
+    scripts = paths.scripts()
+    for name, (span, count) in expected.items():
+        records, meta = extract_init.extract_name(sys4load.load(scripts[name]))
+        check(meta["record_span"] == span, f"{name}: record span is {span}")
+        check(len(records) == count, f"{name}: extracts {count} named records")
+        check(len({record["id"] for record in records}) == count,
+              f"{name}: record ids are unique")
+
+    items, _ = extract_init.extract_name(sys4load.load(scripts["ITINIT.BIN"]))
+    by_id = {record["id"]: record for record in items}
+    check(by_id[1]["name"] == "銅の鍵", "ITINIT item 1 is the copper key")
+    check(len(by_id[1]["fields"]) == 5, "ITINIT item 1 owns only its five fields")
+    check("desc" not in by_id[1], "ITINIT item 1 has no fabricated description")
+    check(by_id[101]["desc"] == "ＨＰ３０回復", "ITINIT item 101 keeps its description")
+    check(by_id[1]["fields"]["0x8c879"] == 10,
+          "ITINIT columns use the runtime lookup base")
+
+
+if __name__ == "__main__":
+    test_real_name_tables()
+    if FAILS:
+        raise SystemExit(f"{len(FAILS)} failed checks")
+    print("all extract_init checks passed")