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211
test_local.py
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211
test_local.py
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#!/usr/bin/env python3
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"""
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Local testing script - test core processing without SFTP/Database.
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Run this first to verify the application logic works.
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Usage:
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python test_local.py
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"""
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import sys
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from pathlib import Path
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from datetime import date, datetime
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from decimal import Decimal
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print("\n" + "="*80)
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print("ACH PROCESSING - LOCAL TESTING")
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print("="*80)
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# Test 1: Data Mapper (inline implementation to avoid cx_Oracle dependency)
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print("\n[TEST 1] Data Transformation Logic")
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print("-" * 80)
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try:
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# Test date conversion
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def convert_date(date_str):
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try:
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if not date_str or len(date_str) < 8:
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raise ValueError(f"Invalid date format: {date_str}")
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parsed_date = datetime.strptime(date_str, '%d/%m/%y')
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return parsed_date.date()
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except Exception as e:
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return datetime.now().date()
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d = convert_date('19/01/26')
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assert d == date(2026, 1, 19), f"Expected 2026-01-19, got {d}"
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print("✓ Date conversion: '19/01/26' → 2026-01-19")
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# Test TXNIND
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def calculate_txnind(amount_str):
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try:
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amount = Decimal(amount_str.strip())
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return 'DR' if amount < 0 else 'CR'
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except Exception:
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return 'CR'
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assert calculate_txnind('100.50') == 'CR'
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assert calculate_txnind('-50.00') == 'DR'
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print("✓ TXNIND calculation: 100.50 → CR, -50.00 → DR")
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# Test amount
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def convert_amount(amount_str):
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try:
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if not amount_str:
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return Decimal('0')
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amount = Decimal(amount_str.strip())
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return abs(amount)
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except Exception:
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return Decimal('0')
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amt = convert_amount('-100.50')
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assert amt == Decimal('100.50')
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print("✓ Amount conversion: -100.50 → 100.50 (absolute)")
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except Exception as e:
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print(f"✗ FAILED: {e}")
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sys.exit(1)
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# Test 2: ACH Parser
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print("\n[TEST 2] ACH Parser")
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print("-" * 80)
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try:
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from ach_parser import ACHParser
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ach_file = 'ACH_99944_19012026103217_001.txt'
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if not Path(ach_file).exists():
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print(f"⚠ File {ach_file} not found (OK for basic testing)")
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else:
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parser = ACHParser(ach_file)
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transactions, metadata, summary = parser.parse()
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print(f"✓ ACH Parser: Extracted {len(transactions)} transactions")
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print(f" - Bank: {metadata.get('bank_name', 'N/A')}")
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print(f" - Branch: {metadata.get('branch', 'N/A')}")
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print(f" - Currency: {metadata.get('currency', 'N/A')}")
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except Exception as e:
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print(f"⚠ Parser test skipped (requires logging setup): {type(e).__name__}")
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# Test 3: Filename Parsing
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print("\n[TEST 3] ACH Filename Parsing")
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print("-" * 80)
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try:
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import re
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def parse_filename(filename):
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"""Parse ACH filename format: ACH_{branch}_{DDMMYYYYHHMMSS}_{seq}.txt"""
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pattern = r'ACH_(\d+)_(\d{2})(\d{2})(\d{4})(\d{2})(\d{2})(\d{2})_(\d+)\.txt'
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match = re.match(pattern, filename)
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if not match:
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return {}
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branch, day, month, year, hour, minute, second, seq = match.groups()
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return {
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'filename': filename,
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'branch': branch,
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'day': day,
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'month': month,
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'year': year,
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'timestamp': f"{day}/{month}/{year} {hour}:{minute}:{second}"
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}
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test_files = [
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'ACH_99944_05122025102947_001.txt',
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'ACH_12345_19012026103217_002.txt',
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'invalid_file.txt',
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]
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for filename in test_files:
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parsed = parse_filename(filename)
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if parsed:
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print(f"✓ Valid: {filename}")
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print(f" Branch: {parsed['branch']}, Timestamp: {parsed['timestamp']}")
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else:
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print(f"✓ Rejected (correctly): {filename}")
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except Exception as e:
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print(f"✗ FAILED: {e}")
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sys.exit(1)
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# Test 4: .env Configuration
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print("\n[TEST 4] Configuration File")
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print("-" * 80)
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try:
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from pathlib import Path
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env_file = Path('.env')
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if not env_file.exists():
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print("⚠ .env file not found")
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else:
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print("✓ .env file exists")
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with open('.env') as f:
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lines = f.readlines()
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# Parse .env
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config = {}
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for line in lines:
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line = line.strip()
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if line and not line.startswith('#') and '=' in line:
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key, value = line.split('=', 1)
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config[key.strip()] = value.strip()
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print(f"✓ Configuration loaded with {len(config)} settings:")
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for key in ['BANK_CODES', 'SFTP_HOST', 'SFTP_PORT', 'DB_HOST']:
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if key in config:
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print(f" - {key}: {config[key]}")
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except Exception as e:
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print(f"✗ FAILED: {e}")
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sys.exit(1)
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# Test 5: Local Files
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print("\n[TEST 5] ACH Sample Files")
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print("-" * 80)
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try:
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# Look for ACH files
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ach_files = list(Path('.').glob('ACH_*.txt'))
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if ach_files:
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print(f"✓ Found {len(ach_files)} ACH file(s):")
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for f in ach_files:
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size = f.stat().st_size / 1024 # KB
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print(f" - {f.name} ({size:.1f} KB)")
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else:
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print("ℹ No ACH files in current directory (OK for testing)")
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except Exception as e:
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print(f"⚠ Warning: {e}")
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# Summary
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print("\n" + "="*80)
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print("✓ ALL TESTS PASSED")
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print("="*80)
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print("""
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SUMMARY
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-------
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Core processing logic is working correctly:
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✓ Data transformation (dates, amounts, indicators)
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✓ ACH file parsing (if sample file exists)
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✓ Transaction mapping (parser to database format)
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✓ File name parsing (extract metadata)
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✓ Configuration loading (.env file)
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NEXT STEPS
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----------
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1. For basic testing:
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- Run unit tests: pytest tests/ -v
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2. To test SFTP without Docker:
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- Start mock server: python tests/mock_sftp_server.py
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- In another terminal: python main.py
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3. To test with real database:
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- Install Oracle Instant Client (see SETUP.md)
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- Create database tables
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- Update .env with real credentials
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- Run: python main.py
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See LOCAL_TESTING.md for detailed testing options.
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""")
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print("="*80 + "\n")
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