q63: spark/verify_dir_analyzer -- asserts to _check(), so -O cannot print All verification tests passed on a zero-file subject

wizard-work/spark/verify_dir_analyzer.py

@@ -4,23 +4,30 @@ import subprocess
 import json
 import sys
 
+
+def _check(cond, msg="check failed"):
+    """Explicit failure path -- survives `python3 -O`, where `assert` is compiled away."""
+    if not cond:
+        raise SystemExit(f"FAIL: {msg}")
+
+
 # Test JSON mode
 result = subprocess.run(['python3', 'dir_analyzer.py', '/etc', '--json'], 
                        capture_output=True, text=True, cwd='/root/troupe-standup/wizard-work/spark')
 data = json.loads(result.stdout)
 
-assert 'total_files' in data, "Missing total_files"
-assert 'total_size_bytes' in data, "Missing total_size_bytes"
-assert data['total_files'] > 0, "Should find files in /etc"
-assert data['total_size_bytes'] > 0, "Should have size > 0"
+_check('total_files' in data, "Missing total_files")
+_check('total_size_bytes' in data, "Missing total_size_bytes")
+_check(data['total_files'] > 0, "Should find files in /etc")
+_check(data['total_size_bytes'] > 0, "Should have size > 0")
 
 print(f"JSON mode: PASS - {data['total_files']} files, {data['total_size_bytes']} bytes")
 
 # Test text mode
 result2 = subprocess.run(['python3', 'dir_analyzer.py', '/tmp'],
                         capture_output=True, text=True, cwd='/root/troupe-standup/wizard-work/spark')
-assert 'Total files:' in result2.stdout, "Should show file count"
-assert 'Total size:' in result2.stdout, "Should show size"
+_check('Total files:' in result2.stdout, "Should show file count")
+_check('Total size:' in result2.stdout, "Should show size")
 
 print("Text mode: PASS")
 print("All verification tests passed")