def test_list_expenses_equal():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 2, "electricity", 100)
assert list_expenses_equal(transactions,100)==[ {'apartment':1, "type":"gas", "amount":100},{'apartment':2, "type":"electricity", "amount":100}]
def ui_add_expense(transactions, backup, apartment, expense_type, amount):
"""Add an expense to the end of the transactions list.
Args:
transactions(list): the list containing the expenses.
apartment(uint): the apartment number.
expense_type(str): the type of the expense.
amount(uint): the amount of money.
Returns:
None
Raises:
ValueError: if the apartment number is negative
if the amount of money is negative
if the expense type is invalid
"""
apartment = int(apartment)
amount = int(amount)
if apartment < 0:
raise ValueError("Negative value given for apartment number.")
if amount < 0:
raise ValueError("Negative value given for the amount.")
if not is_valid_expense_type(expense_type.lower()):
raise ValueError("Invalid expense type provided.")
# if expense_exists(transactions, apartment, expense_type):
# raise ValueError("Transaction already in list.")
# backup the data before making any changes
backup.append(transactions[:])
add_expense(transactions, apartment, expense_type.lower(), amount)
def test_add_expense():
transactions = []
add_expense(transactions,12,"gas",100)
assert len(transactions)==1
add_expense(transactions,1,"heating",200)
assert len(transactions)==2
def test_replace_expense_ammount():
transactions = []
add_expense(transactions,1,"heating",100)
replace_expenses_amount(transactions,1,"heating",200)
assert transactions[0]["amount"]==200
def test_remove_expense_by_apartment():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 1, "heating", 50)
remove_expenses_by_apartment(transactions,1)
assert len(transactions)==0
def test_undo_command():
transactions = []
backup = []
add_expense(transactions, 1, "gas", 100)
backup.append(transactions[:])
undo_command(transactions,backup)
assert len(transactions)==0
def test_filter_expenses_by_value():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 1, "electricity", 200)
add_expense(transactions, 2, "electricity", 50)
add_expense(transactions, 2, "gas", 20)
assert filter_expenses_by_value(transactions,100) == [{'amount': 50, 'apartment': 2, 'type': 'electricity'}, {'amount': 20, 'apartment': 2, 'type': 'gas'}]
def test_filter_expenses_by_type():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 1, "electricity", 200)
add_expense(transactions, 2, "electricity", 50)
add_expense(transactions, 2, "gas", 20)
assert filter_expenses_by_type(transactions,"gas")==[{'type': 'gas', 'amount': 100, 'apartment': 1}, {'type': 'gas', 'amount': 20, 'apartment': 2}]
def test_sort_expenses_by_type():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 1, "electricity", 200)
add_expense(transactions, 2, "electricity", 50)
add_expense(transactions, 2, "gas", 20)
assert sort_expenses_by_type(transactions) == [('gas', 120), ('electricity', 250)]
def test_sort_expenses_by_apartment():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 1, "electricity", 200)
add_expense(transactions, 2, "electricity", 50)
add_expense(transactions, 2, "gas", 20)
assert sort_expenses_by_apartment(transactions)==[(1, 2), (2, 2)]
def test_max_expense_amount():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 1, "electricity", 200)
add_expense(transactions, 1, "electricity", 50)
add_expense(transactions, 1, "gas", 20)
max_expenses = max_expense_amount(transactions,1)
assert max_expenses[0]["amount"] == 100
assert max_expenses[1]["amount"] == 200
def test_list_expenses_smaller():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 2, "gas", 50)
add_expense(transactions, 3, "heating", 20)
assert list_expenses_smaller(transactions,100)==[ {'apartment':2, "type":"gas", "amount":50},{'apartment':3, "type":"heating", "amount":20}]
def test_list_expenses_greater():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 2, "gas", 50)
add_expense(transactions, 3, "heating", 20)
assert list_expenses_greater(transactions,50) == [{'apartment':1, "type":"gas", "amount":100}]
def test_list_expenses():
transactions = []
add_expense(transactions, 1, "gas", 20)
add_expense(transactions, 2, "gas", 50)
add_expense(transactions, 3, "heating", 20)
assert transactions == list_expenses(transactions)
def test_sum_expenses_by_type():
transactions = []
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 2, "electricity", 200)
add_expense(transactions, 3, "electricity", 50)
assert sum_expenses_by_type(transactions,"electricity")==250
def test_remove_expense_by_type():
transactions = []
add_expense(transactions, 1, "gas", 20)
add_expense(transactions, 2, "gas", 50)
add_expense(transactions, 3, "heating", 20)
remove_expenses_by_type(transactions,"gas")
assert len(transactions)==1
def load_predefined_data(transactions):
add_expense(transactions, 1, "gas", 100)
add_expense(transactions, 1, "other", 50)
add_expense(transactions, 2, "water", 20)
add_expense(transactions, 3, "electricity", 70)
add_expense(transactions, 3, "heating", 100)
add_expense(transactions, 5, "gas", 200)
add_expense(transactions, 6, "other", 500)
add_expense(transactions, 7, "heating", 1000)
add_expense(transactions, 7, "other", 300)
add_expense(transactions, 8, "gas", 900)
add_expense(transactions, 9, "electricity", 250)