def test_normal_trade_price_is_lowest(self):
orders = []
admin = User.objects.get(username='******')
user = User.objects.get(username='******')
orders.append(Order.objects.create(
order_id='order_1',
user= user,
units = 10,
unit_price = 5.0,
order_source = 'TRADESITE',
created_by = user,
lastupdated_by = user
))
orders.append(Order.objects.create(
order_id='order_2',
user = user,
units = 10,
unit_price = 5.0,
order_source = 'API',
created_by = user,
lastupdated_by = user
))
orders.append(Order.objects.create(
order_id='order_3',
user = user,
units = 10,
unit_price = 5.1,
order_source = 'TRADESITE',
created_by = user,
lastupdated_by = user
))
orders.append(Order.objects.create(
order_id='order_4',
user = user,
units = 10,
unit_price = 3.5,
order_source = 'API',
created_by = user,
lastupdated_by = user
))
orders.append(Order.objects.create(
order_id='order_5',
user = user,
units = 10,
unit_price = 3.499,
order_source = 'TRADESITE',
created_by = user,
lastupdated_by = user
))
tradeex = TradeExchangeManager()
suggested_price = tradeex.decide_sell_price(orders)
print("suggesed price: {0} lowest api price {1}".format(suggested_price, orders[4].unit_price))
self.assertTrue(suggested_price < orders[4].unit_price, "final price should be lower than lowest normal sell order")
self.assertTrue(math.fabs(suggested_price - orders[4].unit_price * 0.95) < 0.0001, "final price should be 5\% lower than lowest normal sell order")
def test_two_close_low_api_price(self):
orders = []
admin = User.objects.get(username='******')
user = User.objects.get(username='******')
orders.append(Order.objects.create(
order_id='order_1',
user= user,
units = 10,
unit_price = 1.0,
order_source = 'TRADESITE',
created_by = user,
lastupdated_by = user
))
orders.append(Order.objects.create(
order_id='order_2',
user = user,
units = 10,
unit_price = 1.0,
order_source = 'API',
created_by = user,
lastupdated_by = user
))
orders.append(Order.objects.create(
order_id='order_3',
user = user,
units = 10,
unit_price = 1.1,
order_source = 'TRADESITE',
created_by = user,
lastupdated_by = user
))
orders.append(Order.objects.create(
order_id='order_4',
user = user,
units = 10,
unit_price = 0.5,
order_source = 'API',
created_by = user,
lastupdated_by = user
))
orders.append(Order.objects.create(
order_id='order_5',
user = user,
units = 10,
unit_price = 0.499,
order_source = 'API',
created_by = user,
lastupdated_by = user
))
tradeex = TradeExchangeManager()
suggested_price = tradeex.decide_sell_price(orders)
print("suggesed price: {0} lowest api price {1}".format(suggested_price, orders[4].unit_price))
self.assertTrue(suggested_price > orders[4].unit_price, "final price should be higher than lowest API sell order")
self.assertTrue(suggested_price - orders[4].unit_price - 0.01 > 0, "final price should be at least 0.01 higher than lowest API sell order")
self.assertTrue(suggested_price - orders[4].unit_price * 1.005 > 0, "final price should be higher than lowest API sell order addi ng 5\%")
self.assertTrue(suggested_price - orders[4].unit_price * 1.005 < 0.01, "final price should be less than 0.01 higher than the lowest API sell order adding 5\%")