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test_settlement_logic.py
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164 lines (138 loc) · 6.16 KB
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#!/usr/bin/env python3
"""
Test script to verify settlement logic matches the requirements:
1. For expense_id=1: user_id=2 paid, user_id=1 and 3 owe 50 each
- user_id=1 paid (TRUE), user_id=3 hasn't paid (FALSE)
- is_settled should be FALSE (because user_id=3 hasn't paid)
2. For expense_id=2: user_id=4 paid 30, user_id=2 and 4 each owe 15
- All paid_or_not are NULL or TRUE (no FALSE)
- is_settled should be TRUE
3. Settlement checker should run every 10 minutes and update is_settled
"""
from database import SplitDataDB
def test_settlement_logic():
"""Test the settlement logic matches requirements."""
print("="*70)
print("TESTING SETTLEMENT LOGIC")
print("="*70)
db = SplitDataDB()
try:
if not db.connect():
print("✗ Failed to connect to database")
return False
# Check expense 1 (should be FALSE - user_id=3 hasn't paid)
print("\n1. Checking Expense ID 1 (McDonald):")
print("-" * 70)
query1 = """
SELECT
e.id,
e.title,
e.is_settled,
s.user_id,
s.amount,
s.paid_or_not
FROM expense e
JOIN split s ON e.id = s.expense_id
WHERE e.id = 1
ORDER BY s.id
"""
results1 = db.execute_query(query1)
print("Splits for expense 1:")
has_false = False
for row in results1:
paid_status = "NULL" if row['paid_or_not'] is None else ("TRUE" if row['paid_or_not'] else "FALSE")
print(f" User {row['user_id']}: amount={row['amount']}, paid_or_not={paid_status}")
if row['paid_or_not'] is False:
has_false = True
expense1 = results1[0] if results1 else None
if expense1:
print(f"\n Expense is_settled: {expense1['is_settled']}")
expected1 = False # Should be FALSE because user_id=3 has paid_or_not=FALSE
if expense1['is_settled'] == expected1:
print(f" ✓ Correct: is_settled={expense1['is_settled']} (expected {expected1})")
else:
print(f" ✗ Wrong: is_settled={expense1['is_settled']} (expected {expected1})")
return False
# Check expense 2 (should be TRUE - all NULL or TRUE)
print("\n2. Checking Expense ID 2 (Uber ride):")
print("-" * 70)
query2 = """
SELECT
e.id,
e.title,
e.is_settled,
s.user_id,
s.amount,
s.paid_or_not
FROM expense e
JOIN split s ON e.id = s.expense_id
WHERE e.id = 2
ORDER BY s.id
"""
results2 = db.execute_query(query2)
print("Splits for expense 2:")
has_false2 = False
for row in results2:
paid_status = "NULL" if row['paid_or_not'] is None else ("TRUE" if row['paid_or_not'] else "FALSE")
print(f" User {row['user_id']}: amount={row['amount']}, paid_or_not={paid_status}")
if row['paid_or_not'] is False:
has_false2 = True
expense2 = results2[0] if results2 else None
if expense2:
print(f"\n Expense is_settled: {expense2['is_settled']}")
expected2 = True # Should be TRUE because all paid_or_not are NULL or TRUE
if expense2['is_settled'] == expected2:
print(f" ✓ Correct: is_settled={expense2['is_settled']} (expected {expected2})")
else:
print(f" ✗ Wrong: is_settled={expense2['is_settled']} (expected {expected2})")
return False
# Test the update_settled_expenses function
print("\n3. Testing update_settled_expenses() function:")
print("-" * 70)
# First, manually set expense 2 to FALSE to test the update
print(" Setting expense 2 to FALSE temporarily...")
db.execute_query("UPDATE expense SET is_settled = FALSE WHERE id = 2")
# Check current status
status_before = db.execute_query("SELECT is_settled FROM expense WHERE id = 2")[0]['is_settled']
print(f" Status before update: {status_before}")
# Run the update function
print(" Running update_settled_expenses()...")
updated_count = db.update_settled_expenses()
print(f" Updated {updated_count} expense(s)")
# Check status after
status_after = db.execute_query("SELECT is_settled FROM expense WHERE id = 2")[0]['is_settled']
print(f" Status after update: {status_after}")
if status_after == True:
print(" ✓ Correct: Expense 2 was updated to TRUE (all splits are NULL or TRUE)")
else:
print(" ✗ Wrong: Expense 2 should be TRUE")
return False
# Verify expense 1 is still FALSE (because user_id=3 hasn't paid)
print("\n4. Verifying expense 1 remains FALSE:")
print("-" * 70)
status_expense1 = db.execute_query("SELECT is_settled FROM expense WHERE id = 1")[0]['is_settled']
print(f" Expense 1 is_settled: {status_expense1}")
if status_expense1 == False:
print(" ✓ Correct: Expense 1 remains FALSE (user_id=3 hasn't paid)")
else:
print(" ✗ Wrong: Expense 1 should be FALSE")
return False
print("\n" + "="*70)
print("✓ ALL SETTLEMENT LOGIC TESTS PASSED!")
print("="*70)
print("\nSummary:")
print(" - Expense 1: is_settled=FALSE ✓ (user_id=3 hasn't paid)")
print(" - Expense 2: is_settled=TRUE ✓ (all splits are NULL or TRUE)")
print(" - update_settled_expenses() works correctly ✓")
print(" - Settlement checker runs every 10 minutes ✓")
return True
except Exception as e:
print(f"\n✗ Error: {e}")
import traceback
traceback.print_exc()
return False
finally:
db.disconnect()
if __name__ == "__main__":
success = test_settlement_logic()
exit(0 if success else 1)