some junk. still not working.

Author: sbryngelson

compare_goldenfiles.py

@@ -0,0 +1,229 @@
+#!/usr/bin/env python3
+"""
+Compare local golden files with those from the mflowcode/mfc repository.
+Prints the maximum difference for each test case.
+
+Usage:
+    python3 compare_goldenfiles.py [--limit N] [--test UUID]
+"""
+
+import os
+import sys
+import argparse
+import numpy as np
+import urllib.request
+import urllib.error
+from pathlib import Path
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+
+def get_test_case_info(test_path):
+    """Extract test case information from case.py file."""
+    case_py = test_path / "case.py"
+    if not case_py.exists():
+        return "Unknown"
+    
+    try:
+        with open(case_py, 'r') as f:
+            lines = f.readlines()
+            # Look for line 4 (index 3) which has the test case description
+            # Format: # 1D -> Example -> hypo_2materials
+            if len(lines) >= 4:
+                line = lines[3].strip()
+                if line.startswith('#'):
+                    desc = line[1:].strip()  # Remove leading '#' and whitespace
+                    return desc
+    except Exception:
+        pass
+    
+    return "Unknown"
+
+
+def fetch_repo_golden_file(test_uuid):
+    """Fetch a golden file from GitHub raw content."""
+    url = f"https://raw.githubusercontent.com/mflowcode/mfc/master/tests/{test_uuid}/golden.txt"
+    try:
+        with urllib.request.urlopen(url, timeout=10) as response:
+            return response.read().decode('utf-8')
+    except urllib.error.HTTPError as e:
+        if e.code == 404:
+            return None
+        return None
+    except Exception:
+        return None
+
+
+def parse_golden_data(text):
+    """Parse golden file text into numpy array, skipping non-numeric tokens."""
+    values = text.split()
+    floats = []
+    for v in values:
+        try:
+            floats.append(float(v))
+        except ValueError:
+            # Skip non-numeric tokens (like file paths)
+            continue
+    return np.array(floats) if floats else np.array([])
+
+
+def compare_single_test(test_uuid, local_path, tolerance=1e-12):
+    """Compare a single test's golden file."""
+    local_test_path = local_path / test_uuid
+    local_golden_path = local_test_path / "golden.txt"
+    
+    if not local_golden_path.exists():
+        return test_uuid, "Unknown", "SKIP", "No local golden file"
+    
+    # Get test case info
+    case_info = get_test_case_info(local_test_path)
+    
+    # Fetch repository version
+    repo_content = fetch_repo_golden_file(test_uuid)
+    if repo_content is None:
+        return test_uuid, case_info, "SKIP", "Not found in repository"
+    
+    try:
+        # Load and compare data
+        with open(local_golden_path, 'r') as f:
+            local_content = f.read()
+        
+        repo_data = parse_golden_data(repo_content)
+        local_data = parse_golden_data(local_content)
+        
+        if repo_data.size == 0 or local_data.size == 0:
+            return test_uuid, case_info, "SKIP", "Empty or no numeric data"
+        
+        if repo_data.shape != local_data.shape:
+            return test_uuid, case_info, "DIFF", f"Shape mismatch. Repo: {repo_data.shape}, Local: {local_data.shape}"
+        
+        # Compute differences
+        diff = np.abs(repo_data - local_data)
+        max_diff = np.max(diff)
+        
+        if max_diff > tolerance:
+            return test_uuid, case_info, "DIFF", f"Max difference = {max_diff:.10e}"
+        else:
+            return test_uuid, case_info, "OK", f"Max difference = {max_diff:.10e}"
+    
+    except Exception as e:
+        return test_uuid, case_info, "ERROR", str(e)
+
+
+def compare_golden_files(local_tests_dir, limit=None, specific_test=None, max_workers=10, show_ok=False):
+    """Compare local golden files with repository versions."""
+    local_path = Path(local_tests_dir)
+    
+    if not local_path.exists():
+        print(f"Error: Local tests directory not found: {local_tests_dir}")
+        return
+    
+    # Get all local test directories
+    if specific_test:
+        test_dirs = [specific_test]
+    else:
+        test_dirs = sorted([d for d in os.listdir(local_path) 
+                           if os.path.isdir(local_path / d)])
+        if limit:
+            test_dirs = test_dirs[:limit]
+    
+    print(f"Comparing {len(test_dirs)} test(s)...")
+    print("-" * 80)
+    
+    differences_found = False
+    ok_count = 0
+    diff_count = 0
+    skip_count = 0
+    error_count = 0
+    max_diff_overall = 0.0
+    max_diff_test = None
+    max_diff_case = None
+    
+    results = []
+    
+    # Use ThreadPoolExecutor for parallel fetching
+    with ThreadPoolExecutor(max_workers=max_workers) as executor:
+        futures = {executor.submit(compare_single_test, test_uuid, local_path): test_uuid 
+                  for test_uuid in test_dirs}
+        
+        for future in as_completed(futures):
+            test_uuid, case_info, status, message = future.result()
+            results.append((test_uuid, case_info, status, message))
+            
+            if status == "OK":
+                ok_count += 1
+                # Extract the max diff value
+                try:
+                    diff_val = float(message.split('=')[1].strip())
+                    if diff_val > max_diff_overall:
+                        max_diff_overall = diff_val
+                        max_diff_test = test_uuid
+                        max_diff_case = case_info
+                except:
+                    pass
+            elif status == "DIFF":
+                diff_count += 1
+                differences_found = True
+                # Extract the max diff value if present
+                try:
+                    if 'Max difference' in message:
+                        diff_val = float(message.split('=')[1].strip())
+                        if diff_val > max_diff_overall:
+                            max_diff_overall = diff_val
+                            max_diff_test = test_uuid
+                            max_diff_case = case_info
+                except:
+                    pass
+            elif status == "SKIP":
+                skip_count += 1
+            elif status == "ERROR":
+                error_count += 1
+                differences_found = True
+    
+    # Sort results by status and test UUID
+    status_order = {"DIFF": 0, "ERROR": 1, "OK": 2, "SKIP": 3}
+    results.sort(key=lambda x: (status_order[x[2]], x[0]))
+    
+    # Print results
+    for test_uuid, case_info, status, message in results:
+        if status == "DIFF":
+            print(f"  [DIFF]  {test_uuid}: {case_info}")
+            print(f"          {message}")
+        elif status == "ERROR":
+            print(f"  [ERROR] {test_uuid}: {case_info}")
+            print(f"          {message}")
+        elif status == "OK" and show_ok:
+            print(f"  [OK]    {test_uuid}: {case_info}")
+            print(f"          {message}")
+        # Skip printing SKIP status unless explicitly requested
+    
+    print("-" * 80)
+    print(f"\nSummary:")
+    print(f"  OK:     {ok_count}")
+    print(f"  DIFF:   {diff_count}")
+    print(f"  SKIP:   {skip_count}")
+    print(f"  ERROR:  {error_count}")
+    
+    if max_diff_test:
+        print(f"\nMaximum difference: {max_diff_overall:.10e}")
+        print(f"  Test: {max_diff_test}")
+        print(f"  Case: {max_diff_case}")
+    
+    if not differences_found:
+        print("\n✓ No significant differences found!")
+    else:
+        print(f"\n✗ Differences found in {diff_count} golden files")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description='Compare MFC golden files with repository')
+    parser.add_argument('--limit', type=int, help='Limit number of tests to compare')
+    parser.add_argument('--test', type=str, help='Compare specific test UUID')
+    parser.add_argument('--workers', type=int, default=10, help='Number of parallel workers (default: 10)')
+    parser.add_argument('--show-ok', action='store_true', help='Show OK results in detail')
+    
+    args = parser.parse_args()
+    
+    script_dir = Path(__file__).parent.absolute()
+    tests_dir = script_dir / "tests"
+    compare_golden_files(tests_dir, limit=args.limit, specific_test=args.test, 
+                        max_workers=args.workers, show_ok=args.show_ok)