def test_simple(self):
"Simple wallet tests."
w = Wallet()
assert len(w) == 0
# Test constructing with keywords.
w = Wallet(CAD='5.688')
assert len(w) == 1
assert w['CAD'] == Decimal('5.688')
# Test special shortcut constructor.
w = Wallet('CAD', '5.688')
assert len(w) == 1
assert w['CAD'] == Decimal('5.688')
# Test special shortcut constructor.
w = Wallet('1 CAD, 2 USD')
assert len(w) == 2
assert w['CAD'] == Decimal('1')
assert w['USD'] == Decimal('2')
# Test copy constructor.
w2 = Wallet(w)
assert w is not w2
assert w == w2
# Test copy method.
ww = w.copy()
assert isinstance(ww, Wallet), ww
def test_round(self):
"Test rounding."
w = Wallet(CAD='17.1343843', USD='83.42434', EUR='6.237237232')
mprecision = dict((('USD', Decimal('.01')),
('EUR', Decimal('.0001')),
('JPY', Decimal('.00001')),
(None, Decimal('.1')),
))
wr = w.round(mprecision)
assert wr['EUR'] == Decimal('6.2372')
assert wr['USD'] == Decimal('83.42')
assert wr['CAD'] == Decimal('17.10')
def test_convert(self):
conv = [('INR', 'CAD', 1/Decimal('40'))]
w = Wallet()
assert w.convert(conv) == w
w = Wallet('10 USD')
assert w.convert(conv) == w
w = Wallet('10 INR')
assert w.convert(conv) == Wallet('0.25 CAD')
w = Wallet('1600 INR')
assert w.convert(conv) == Wallet('40 CAD')
def test_price(self):
w = Wallet(AAPL='20')
w.price('AAPL', 'USD', Decimal('10'))
assert w == Wallet(USD='200')
w = Wallet(AAPL='20', MSFT='10.1')
w.price('AAPL', 'USD', Decimal('10'))
assert w == Wallet(USD='200', MSFT='10.1')
def test_split(self):
w = Wallet()
wp, wn = w.split()
assert w == (wp + wn)
w = Wallet('10 USD')
wp, wn = w.split()
assert w == (wp + wn)
w = Wallet('-10 CAD')
wp, wn = w.split()
assert w == (wp + wn)
w = Wallet(USD='10', CAD='-10')
wp, wn = w.split()
assert w == (wp + wn)
def test_only(self):
"Test the only filter."
w = Wallet(CAD='17.1343843',
USD='83.42434')
assert w.only('CAD') == Wallet(CAD='17.1343843')
def test_nbthings(self):
w = Wallet()
w['USD'] = Decimal('4.1')
w['JPY'] = Decimal('17.0')
assert w.nbthings() == Decimal('21.1')