def test_double_multiple_entry_stock_out_alt2(self):
## Create the entry:
entries = [
Entry(60, 10),
Entry(40, 12),
Entry(-50, 10),
Entry(-50, 15)
]
## Create the FIFO accounting:
fifo = FIFO(entries)
## Inventory is empty:
self.assertTrue(len(fifo.inventory) == 0)
self.assertTrue(fifo.is_empty)
## There is a trace as some stock entries are closed:
self.assertTrue(len(fifo.trace) == 3)
## There is no profit and no loss:
self.assertTrue(fifo.profit_and_loss == -170)
## There is some stock in the inventory:
self.assertEqual(fifo.stock, 0)
## No average cost is calculated:
self.assertIsNone(fifo.avgcost)
def test_double_square(self):
## Create the entry:
entries = [
Entry(100, 10),
Entry(-100, 10),
Entry(100, 10),
Entry(-100, 10)
]
## Create the FIFO accounting:
fifo = FIFO(entries)
## Inventory is empty:
self.assertTrue(len(fifo.inventory) == 0)
self.assertTrue(fifo.is_empty)
## There is a trace as all the stock is sold out:
self.assertTrue(len(fifo.trace) == 2)
## There is no profit and no loss:
self.assertTrue(fifo.profit_and_loss == 0)
## There is no stock in the inventory:
self.assertEqual(fifo.stock, 0)
## No average cost could be calculated:
self.assertIsNone(fifo.avgcost)
def test_multiple_entry_stock_out_alt(self):
## Create the entry:
entries = [Entry(-100, 10), Entry(50, 10), Entry(50, 15)]
## Create the FIFO accounting:
fifo = FIFO(entries)
## Inventory is empty:
self.assertTrue(len(fifo.inventory) == 0)
self.assertTrue(fifo.is_empty)
## There is a trace as some stock entries are closed:
self.assertTrue(len(fifo.trace) == 2)
## There is some stock in the inventory:
self.assertEqual(fifo.stock, 0)
## No average cost is calculated:
self.assertIsNone(fifo.avgcost)
def test_no_entries(self):
"""
Tests the case that there are no entries.
"""
## Create the FIFO accounting:
fifo = FIFO()
## Inventory is empty:
self.assertTrue(len(fifo.inventory) == 0)
self.assertTrue(fifo.is_empty)
## There is no trace:
self.assertTrue(len(fifo.trace) == 0)
## There is no stock in the inventory:
self.assertEqual(fifo.stock, 0)
## No average cost could be calculated:
self.assertIsNone(fifo.avgcost)
def test_two_buys(self):
## Create the entry:
entries = [Entry(-100, 10), Entry(-100, 20)]
## Create the FIFO accounting:
fifo = FIFO(entries)
## Inventory is not empty:
self.assertTrue(len(fifo.inventory) == 2)
self.assertFalse(fifo.is_empty)
## There is no trace as there are no closing entries:
self.assertTrue(len(fifo.trace) == 0)
## There is stock in the inventory:
self.assertTrue(fifo.stock, -200)
## The average cost was calculated:
self.assertIsNotNone(fifo.avgcost)
self.assertEqual(fifo.avgcost, 15)
def test_alternate_sell_buy(self):
## Create the entry:
entries = [Entry(-100, 10), Entry(200, 10)]
## Create the FIFO accounting:
fifo = FIFO(entries)
## Inventory is not empty:
self.assertTrue(len(fifo.inventory) == 1)
self.assertFalse(fifo.is_empty)
## There is a trace as some stock entries are closed:
self.assertTrue(len(fifo.trace) == 1)
## There is some stock in the inventory:
self.assertEqual(fifo.stock, 100)
## Average cost is calculated:
self.assertIsNotNone(fifo.avgcost)
self.assertEqual(fifo.avgcost, 10)
def test_single_sell(self):
## Create the entry:
entries = [Entry(-100, 10)]
## Create the FIFO accounting:
fifo = FIFO(entries)
## Inventory is not empty:
self.assertTrue(len(fifo.inventory) == 1)
self.assertFalse(fifo.is_empty)
## There is no trace as there are no closing entries:
self.assertTrue(len(fifo.trace) == 0)
## There is no profit and no loss:
self.assertTrue(fifo.profit_and_loss == 0)
## There is stock in the inventory:
self.assertTrue(fifo.stock, -100)
## The average cost was calculated:
self.assertIsNotNone(fifo.avgcost)
self.assertEqual(fifo.avgcost, 10)
def test_complex_trades(self):
## Create the FIFO accounting, check the stock and the average cost:
fifo = FIFO([Entry(60, 10), Entry(10, 12), Entry(-50, 10)])
self.assertEqual(fifo.stock, 20)
self.assertEqual(fifo.avgcost, 11)
self.assertEqual(fifo.profit_and_loss, 0)
## Create the FIFO accounting, check the stock and the average cost:
fifo = FIFO([Entry(60, 10), Entry(10, 12), Entry(-80, 10)])
self.assertEqual(fifo.stock, -10)
self.assertEqual(fifo.avgcost, 10)
self.assertEqual(fifo.profit_and_loss, 20)
## Create the FIFO accounting, check the stock and the average cost:
fifo = FIFO([
Entry(60, 10),
Entry(-10, 12),
Entry(-20, 10),
Entry(50, 12),
Entry(-60, 14),
Entry(10, 21)
])
self.assertEqual(fifo.stock, 30)
self.assertEqual(fifo.avgcost, 15)
self.assertEqual(fifo.profit_and_loss, -200)
## Let's do a handful one:
fifo = FIFO([
Entry(20, 10),
Entry(32, 7),
Entry(97, 6),
Entry(17, 2),
Entry(14, 0),
Entry(-50, 9),
Entry(-59, 6),
Entry(-50, 8),
Entry(63, 10),
Entry(-31, 6),
Entry(-21, 1),
Entry(-36, 10),
Entry(-18, 2),
Entry(91, 2),
Entry(85, 4),
Entry(-81, 1),
Entry(33, 2),
Entry(45, 4),
Entry(-18, 4),
Entry(-33, 7),
Entry(-47, 3),
Entry(-49, 7),
Entry(73, 3),
Entry(79, 10),
Entry(3, 5),
Entry(50, 7),
Entry(-82, 10),
Entry(47, 9),
Entry(72, 10),
Entry(40, 1)
])
self.assertEqual(fifo.stock, 286)
self.assertEqual(fifo.avgcost, 8)
self.assertEqual(fifo.profit_and_loss, -788)
# Close the handful one:
fifo = FIFO([
Entry(20, 10),
Entry(32, 7),
Entry(97, 6),
Entry(17, 2),
Entry(14, 0),
Entry(-50, 9),
Entry(-59, 6),
Entry(-50, 8),
Entry(63, 10),
Entry(-31, 6),
Entry(-21, 1),
Entry(-36, 10),
Entry(-18, 2),
Entry(91, 2),
Entry(85, 4),
Entry(-81, 1),
Entry(33, 2),
Entry(45, 4),
Entry(-18, 4),
Entry(-33, 7),
Entry(-47, 3),
Entry(-49, 7),
Entry(73, 3),
Entry(79, 10),
Entry(3, 5),
Entry(50, 7),
Entry(-82, 10),
Entry(47, 9),
Entry(72, 10),
Entry(40, 1),
Entry(-286, 8)
])
self.assertEqual(fifo.stock, 0)
self.assertIsNone(fifo.avgcost)
self.assertEqual(fifo.profit_and_loss, -788)