def test_single_sell(self):
entries = [Transaction(0, -100, 'USD', price=10)]
fifo = FIFO(entries)
self.assertTrue(len(fifo.inventory) == 1)
self.assertFalse(fifo.is_empty)
self.assertTrue(len(fifo.trace) == 0)
self.assertTrue(fifo.stock, -100)
self.assertIsNotNone(fifo.avgcost)
self.assertEqual(fifo.avgcost, 10)
def test_no_entries(self):
"""
Tests the case that there are no entries.
"""
fifo = FIFO()
self.assertTrue(len(fifo.inventory) == 0)
self.assertTrue(fifo.is_empty)
self.assertTrue(len(fifo.trace) == 0)
self.assertEqual(fifo.stock, 0)
self.assertIsNone(fifo.avgcost)
def test_quick_alternate_square(self):
entries = [
Transaction(0, 100, 'USD', price=10),
Transaction(0, -100, 'USD', price=10)
]
fifo = FIFO(entries)
self.assertTrue(len(fifo.inventory) == 0)
self.assertTrue(fifo.is_empty)
self.assertTrue(len(fifo.trace) == 1)
self.assertEqual(fifo.stock, 0)
self.assertIsNone(fifo.avgcost)
def test_two_buys(self):
entries = [
Transaction(0, 100, 'USD', price=10),
Transaction(0, 100, 'USD', price=20)
]
fifo = FIFO(entries)
self.assertTrue(len(fifo.inventory) == 2)
self.assertFalse(fifo.is_empty)
self.assertTrue(len(fifo.trace) == 0)
self.assertTrue(fifo.stock, 200)
self.assertIsNotNone(fifo.avgcost)
self.assertEqual(fifo.avgcost, 15)
def test_multiple_Transaction_stock_out_alt(self):
entries = [
Transaction(0, -100, 'USD', price=10),
Transaction(0, 50, 'USD', price=10),
Transaction(0, 50, 'USD', price=15)
]
fifo = FIFO(entries)
self.assertTrue(len(fifo.inventory) == 0)
self.assertTrue(fifo.is_empty)
self.assertTrue(len(fifo.trace) == 2)
self.assertEqual(fifo.stock, 0)
self.assertIsNone(fifo.avgcost)
def test_complex_trades(self):
fifo = FIFO([
Transaction(0, 60, 'USD', price=10),
Transaction(0, 10, 'USD', price=12),
Transaction(0, -50, 'USD', price=10)
])
self.assertEqual(fifo.stock, 20)
self.assertEqual(fifo.avgcost, 11)
fifo = FIFO([
Transaction(0, 60, 'USD', price=10),
Transaction(0, 10, 'USD', price=12),
Transaction(0, -80, 'USD', price=10)
])
self.assertEqual(fifo.stock, -10)
self.assertEqual(fifo.avgcost, 10)
fifo = FIFO([
Transaction(0, 60, 'USD', price=10),
Transaction(0, -10, 'USD', price=12),
Transaction(0, -20, 'USD', price=10),
Transaction(0, 50, 'USD', price=12),
Transaction(0, -60, 'USD', price=14),
Transaction(0, 10, 'USD', price=21)
])
self.assertEqual(fifo.stock, 30)
self.assertEqual(fifo.avgcost, 15)
fifo = FIFO([
Transaction(0, 20, 'USD', price=10),
Transaction(0, 32, 'USD', price=7),
Transaction(0, 97, 'USD', price=6),
Transaction(0, 17, 'USD', price=2),
Transaction(0, 14, 'USD', price=0),
Transaction(0, -50, 'USD', price=9),
Transaction(0, -59, 'USD', price=6),
Transaction(0, -50, 'USD', price=8),
Transaction(0, 63, 'USD', price=10),
Transaction(0, -31, 'USD', price=6),
Transaction(0, -21, 'USD', price=1),
Transaction(0, -36, 'USD', price=10),
Transaction(0, -18, 'USD', price=2),
Transaction(0, 91, 'USD', price=2),
Transaction(0, 85, 'USD', price=4),
Transaction(0, -81, 'USD', price=1),
Transaction(0, 33, 'USD', price=2),
Transaction(0, 45, 'USD', price=4),
Transaction(0, -18, 'USD', price=4),
Transaction(0, -33, 'USD', price=7),
Transaction(0, -47, 'USD', price=3),
Transaction(0, -49, 'USD', price=7),
Transaction(0, 73, 'USD', price=3),
Transaction(0, 79, 'USD', price=10),
Transaction(0, 3, 'USD', price=5),
Transaction(0, 50, 'USD', price=7),
Transaction(0, -82, 'USD', price=10),
Transaction(0, 47, 'USD', price=9),
Transaction(0, 72, 'USD', price=10),
Transaction(0, 40, 'USD', price=1)
])
self.assertEqual(fifo.stock, 286)
self.assertEqual(fifo.avgcost, 8)
fifo = FIFO([
Transaction(0, 20, 'USD', price=10),
Transaction(0, 32, 'USD', price=7),
Transaction(0, 97, 'USD', price=6),
Transaction(0, 17, 'USD', price=2),
Transaction(0, 14, 'USD', price=0),
Transaction(0, -50, 'USD', price=9),
Transaction(0, -59, 'USD', price=6),
Transaction(0, -50, 'USD', price=8),
Transaction(0, 63, 'USD', price=10),
Transaction(0, -31, 'USD', price=6),
Transaction(0, -21, 'USD', price=1),
Transaction(0, -36, 'USD', price=10),
Transaction(0, -18, 'USD', price=2),
Transaction(0, 91, 'USD', price=2),
Transaction(0, 85, 'USD', price=4),
Transaction(0, -81, 'USD', price=1),
Transaction(0, 33, 'USD', price=2),
Transaction(0, 45, 'USD', price=4),
Transaction(0, -18, 'USD', price=4),
Transaction(0, -33, 'USD', price=7),
Transaction(0, -47, 'USD', price=3),
Transaction(0, -49, 'USD', price=7),
Transaction(0, 73, 'USD', price=3),
Transaction(0, 79, 'USD', price=10),
Transaction(0, 3, 'USD', price=5),
Transaction(0, 50, 'USD', price=7),
Transaction(0, -82, 'USD', price=10),
Transaction(0, 47, 'USD', price=9),
Transaction(0, 72, 'USD', price=10),
Transaction(0, 40, 'USD', price=1),
Transaction(0, -286, 'USD', price=8)
])
self.assertEqual(fifo.stock, 0)
self.assertIsNone(fifo.avgcost)