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test_trader.py
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test_trader.py
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from random_gen import RandomGen
from trader import RandomTrader, RangeTrader, HardTrader
from material import Material
import unittest
class TestTraders(unittest.TestCase):
""" Testing additional AVL functionality. """
def setUp(self):
pass
def test_material_methods(self):
t = RandomTrader.random_trader()
a, b, c = [
Material("Arrow", 1),
Material("Axe", 2),
Material("Bow", 3),
]
t.set_all_materials([a, b])
self.assertFalse(t.is_currently_selling())
# Make a deal. The material in the deal should be either a or b.
t.generate_deal()
self.assertTrue(t.is_currently_selling())
self.assertIn(t.current_deal()[0], [a, b])
t.add_material(c)
# Now the trader has access to a, b and c.
t.generate_deal()
self.assertTrue(t.is_currently_selling())
self.assertIn(t.current_deal()[0], [a, b, c])
t.stop_deal()
self.assertFalse(t.is_currently_selling())
t.set_all_materials([a])
# This resets the traders inventory to just a.
t.generate_deal()
self.assertTrue(t.is_currently_selling())
self.assertIn(t.current_deal()[0], [a])
t.add_material(c)
# And now we have access to a and c.
t.generate_deal()
self.assertTrue(t.is_currently_selling())
self.assertIn(t.current_deal()[0], [a, c])
def test_init(self):
# checking a valid random trader being created
try:
_ = RandomTrader("Bertie Combs")
except Exception:
raise AssertionError("Unable to instantiate RandomTrader with correct inputs")
# Checking if a valid range trader is being created
try:
_ = RangeTrader("Lyle Randall")
except Exception:
raise AssertionError("Unable to instantiate RangeTrader with correct inputs")
# Checking if a valid hard trader is being created
try:
_ = HardTrader("Dana Rowland")
except Exception:
raise AssertionError("Unable to instantiate HardTrader with correct inputs")
def test_random_str(self):
# Set random seed
RandomGen.set_seed(16)
# Create a random trader and add some materials
rando = RandomTrader("Mr Barnes")
rando.add_material(Material("Amethyst", 1))
rando.add_material(Material("Emerald", 2))
rando.add_material(Material("Ruby", 3))
rando.add_material(Material("Diamond", 4))
rando.add_material(Material("Arrow", 5))
rando.add_material(Material("Clock", 6))
rando.add_material(Material("Pickaxe", 7))
rando.add_material(Material("Gunpowder", 8))
# Check what is being currently sold; should raise an error
with self.assertRaises(ValueError):
_ = rando.current_deal()
# Now, generate a deal
rando.generate_deal()
# check that the deal matches
# If you get 2.01 here, try swapping the generation of material choice and sell price.
self.assertEqual(str(rando), "<RandomTrader: Mr Barnes buying [Pickaxe: 7🍗/💎] for 7.57💰>", "Deal check failed")
def test_range_str(self):
RandomGen.set_seed(16)
# Create a random trader and add some materials
rando = RangeTrader("Mr Barnes")
rando.add_material(Material("Amethyst", 1))
rando.add_material(Material("Emerald", 2))
rando.add_material(Material("Ruby", 3))
rando.add_material(Material("Diamond", 4))
rando.add_material(Material("Arrow", 5))
rando.add_material(Material("Clock", 6))
rando.add_material(Material("Pickaxe", 7))
rando.add_material(Material("Gunpowder", 8))
# Check what is being currently sold; should raise an error
with self.assertRaises(ValueError):
_ = rando.current_deal()
# Now, generate a deal
rando.generate_deal()
# check that the deal matches
self.assertEqual(str(rando), "<RangeTrader: Mr Barnes buying [Pickaxe: 7🍗/💎] for 4.87💰>", "Deal check failed")
def test_range_materials_between(self):
RandomGen.set_seed(16)
# Create a random trader and add some materials
rando = RangeTrader("Mr Barnes")
rando.add_material(Material("Amethyst", 1))
rando.add_material(Material("Emerald", 2))
rando.add_material(Material("Ruby", 3))
rando.add_material(Material("Diamond", 4))
rando.add_material(Material("Arrow", 5))
rando.add_material(Material("Clock", 6))
rando.add_material(Material("Pickaxe", 7))
rando.add_material(Material("Gunpowder", 8))
# Check materials between method validity
expected_list = [Material("Emerald", 2), Material("Ruby", 3), Material("Diamond", 4)]
expected_str = [str(x) for x in expected_list]
your_list = rando.materials_between(1, 3)
your_str = [str(x) for x in your_list]
self.assertEqual(your_str, expected_str, "Strings of materials between do not match")
def test_hard_str(self):
RandomGen.set_seed(16)
# Create a random trader and add some materials
rando = HardTrader("Mr Barnes")
rando.add_material(Material("Amethyst", 1))
rando.add_material(Material("Emerald", 2))
rando.add_material(Material("Ruby", 3))
rando.add_material(Material("Diamond", 4))
rando.add_material(Material("Arrow", 5))
rando.add_material(Material("Clock", 6))
rando.add_material(Material("Pickaxe", 7))
rando.add_material(Material("Gunpowder", 8))
# Check what is being currently sold; should raise an error
with self.assertRaises(ValueError):
_ = rando.current_deal()
# Now, generate a deal
rando.generate_deal()
# check that the deal matches
self.assertEqual(str(rando), "<HardTrader: Mr Barnes buying [Gunpowder: 8🍗/💎] for 2.01💰>", "Deal check failed")
if __name__ == '__main__':
# seeding the pseudo-random generator
RandomGen.set_seed(16)
# running all the tests
unittest.main()