def test_best_by_edge_no_matches_is_none():
item_a = Electronics(edge=1.0)
item_b = Decor(edge=2.0)
item_c = Electronics(edge=4.0)
item_d = Decor(edge=5.0)
item_e = Electronics(edge=3.0)
mary = Vendor(inventory=[item_a, item_b, item_c, item_d, item_e])
newest_item = mary.get_best_by_edge("Clothing")
assert newest_item is None
def test_best_by_edge():
item_a = Electronics(edge=1.0)
item_b = Decor(edge=2.0)
item_c = Electronics(edge=4.0)
item_d = Decor(edge=5.0)
item_e = Electronics(edge=3.0)
mary = Vendor(inventory=[item_a, item_b, item_c, item_d, item_e])
newest_item = mary.get_best_by_edge("Electronics")
assert newest_item.category == "Electronics"
assert newest_item.edge == pytest.approx(1.0)
def test_swap_newest_by_category():
item_a = Decor(age=41)
item_b = Electronics(age=32)
item_c = Decor(age=28)
tanae = Vendor(
inventory=[item_a, item_b, item_c]
)
item_d = Clothing(age=48)
item_e = Decor(age=17)
item_f = Clothing(age=23)
jenda = Vendor(
inventory=[item_d, item_e, item_f]
)
result = tanae.swap_newest_by_category(
other=jenda,
my_priority="Clothing",
their_priority="Decor"
)
assert result is True
assert len(tanae.inventory) is 3
assert len(jenda.inventory) is 3
assert item_c not in tanae.inventory
assert item_f in tanae.inventory
assert item_f not in jenda.inventory
assert item_c in jenda.inventory
def test_items_have_condition_descriptions_that_are_the_same_regardless_of_type(
):
# arrange
items = [
Clothing(condition=5),
Decor(condition=5),
Electronics(condition=5)
]
# act
five_condition_description = items[0].condition_description()
# assert
assert type(five_condition_description) == str
for item in items:
assert item.condition_description() == five_condition_description
items[0].condition = 1
one_condition_description = items[0].condition_description()
assert type(one_condition_description) == str
for item in items:
item.condition = 1
assert item.condition_description() == one_condition_description
assert one_condition_description != five_condition_description
def test_swap_by_newest_return_true():
item_a = Electronics(condition=3.5, age=7.0)
item_b = Item(condition=3.5, age=5.0)
item_c = Decor(condition=3.5, age=2.0)
jesse = Vendor(
inventory=[item_a, item_b, item_c]
)
item_d = Item(condition=3.5, age=7.0)
item_e = Decor(condition=3.5, age=3.0)
item_f = Clothing(condition=3.5, age=9.0)
mai = Vendor(
inventory=[item_d, item_e, item_f]
)
result = jesse.swap_by_newest(mai)
assert result is True
assert len(mai.inventory) is 3
assert len(jesse.inventory) is 3
assert item_c not in jesse.inventory
assert item_a in jesse.inventory
assert item_e not in mai.inventory
assert item_f in mai.inventory
def test_swap_newest_by_category_no_other_match_is_false():
item_a = Decor()
item_b = Electronics()
item_c = Decor()
tai = Vendor(
inventory=[item_c, item_b, item_a]
)
item_d = Clothing()
item_e = Decor()
item_f = Clothing()
jesse = Vendor(
inventory=[item_f, item_e, item_d]
)
result = tai.swap_newest_by_category(
other=jesse,
my_priority="Electronics",
their_priority="Decor"
)
assert not result
assert len(tai.inventory) == 3
assert len(jesse.inventory) == 3
assert item_a in tai.inventory
assert item_b in tai.inventory
assert item_c in tai.inventory
assert item_d in jesse.inventory
assert item_e in jesse.inventory
assert item_f in jesse.inventory
def test_swap_by_newest():
item_a = Decor(age="Vintage")
item_b = Electronics(age="New")
item_c = Decor(age="New")
tai = Vendor(
inventory=[item_a, item_b, item_c]
)
item_d = Clothing(age="Vintage")
item_e = Decor(age="New")
item_f = Clothing(age="New")
jesse = Vendor(
inventory=[item_d, item_e, item_f]
)
result = tai.swap_by_newest(
other=jesse,
my_priority="Clothing",
their_priority="Decor"
)
assert result is True
assert len(tai.inventory) == 3
assert len(jesse.inventory) == 3
assert item_c not in tai.inventory
assert item_f in tai.inventory
assert item_f not in jesse.inventory
assert item_c in jesse.inventory
def test_swap_newest_by_category():
item_a = Decor(age=2)
item_b = Electronics(age=1)
item_c = Decor(age=1)
tai = Vendor(
inventory=[item_a, item_b, item_c]
)
item_d = Clothing(age=2)
item_e = Decor(age=3)
item_f = Clothing(age=1)
jesse = Vendor(
inventory=[item_d, item_e, item_f]
)
result = tai.swap_newest_by_category(
other=jesse,
my_priority="Clothing",
their_priority="Decor"
)
assert result
assert len(tai.inventory) == 3
assert len(jesse.inventory) == 3
assert item_a in tai.inventory
assert item_b in tai.inventory
assert item_c not in tai.inventory
assert item_f in tai.inventory
assert item_d in jesse.inventory
assert item_e in jesse.inventory
assert item_f not in jesse.inventory
assert item_c in jesse.inventory
def test_swap_best_by_category_reordered():
item_a = Decor(condition=2.0)
item_b = Electronics(condition=4.0)
item_c = Decor(condition=4.0)
tai = Vendor(inventory=[item_c, item_b, item_a])
item_d = Clothing(condition=2.0)
item_e = Decor(condition=4.0)
item_f = Clothing(condition=4.0)
jesse = Vendor(inventory=[item_f, item_e, item_d])
result = tai.swap_best_by_category(other=jesse,
my_priority="Clothing",
their_priority="Decor")
assert result
assert len(tai.inventory) == 3
assert len(jesse.inventory) == 3
assert item_a in tai.inventory
assert item_b in tai.inventory
assert item_c not in tai.inventory
assert item_f in tai.inventory
assert item_d in jesse.inventory
assert item_e in jesse.inventory
assert item_f not in jesse.inventory
assert item_c in jesse.inventory
def test_swap_best_by_category():
item_a = Decor(condition=2.0)
item_b = Electronics(condition=4.0)
item_c = Decor(condition=4.0)
tai = Vendor(
inventory=[item_a, item_b, item_c]
)
item_d = Clothing(condition=2.0)
item_e = Decor(condition=4.0)
item_f = Clothing(condition=4.0)
jesse = Vendor(
inventory=[item_d, item_e, item_f]
)
result = tai.swap_best_by_category(
other=jesse,
my_priority="Clothing",
their_priority="Decor"
)
assert result is True
assert len(tai.inventory) is 3
assert len(jesse.inventory) is 3
assert item_c not in tai.inventory
assert item_f in tai.inventory
assert item_f not in jesse.inventory
assert item_c in jesse.inventory
def test_items_have_condition_as_float():
items = [
Clothing(condition=3.5),
Decor(condition=3.5),
Electronics(condition=3.5)
]
for item in items:
assert item.condition == pytest.approx(3.5)
def test_swap_by_newest():
item_a = Clothing(condition=4, age=datetime.datetime(2021, 2, 1))
item_b = Decor(condition=4, age=datetime.datetime(2021, 3, 1))
item_c = Clothing(condition=4, age=datetime.datetime(2021, 4, 1))
item_d = Decor(condition=4, age=datetime.datetime(2021, 5, 1))
item_e = Clothing(condition=4, age=datetime.datetime(2021, 6, 1))
tai = Vendor(inventory=[item_a, item_b, item_c, item_d, item_e])
item_f = Electronics(condition=4, age=datetime.datetime(2021, 4, 1))
item_g = Decor(condition=4, age=datetime.datetime(2021, 3, 1))
item_h = Decor(condition=4, age=datetime.datetime(2021, 8, 1))
item_i = Electronics(condition=4, age=datetime.datetime(2021, 1, 1))
item_j = Clothing(condition=4, age=datetime.datetime(2021, 6, 1))
other_vendor = Vendor(inventory=[item_f, item_g, item_h, item_i, item_j])
tai.swap_by_newest(other_vendor)
assert item_e in other_vendor.inventory
assert item_h in tai.inventory
def test_get_newest_returns_newest_item():
item_a = Decor(age=2)
item_b = Electronics(age=7)
item_c = Clothing(age=0.5)
johannes = Vendor(inventory=[item_a, item_b, item_c])
result = johannes.get_newest()
assert result is item_c
def test_newest_item_with_duplicates():
item_a = Decor(year=1999)
item_b = Electronics(year=1970)
item_c = Clothing(year=1999)
madison = Vendor(inventory=[item_a, item_b, item_c])
newest_item = madison.get_newest_item()
assert newest_item.age == 22
assert newest_item.year == 1999
def test_items_have_expected_default_age():
item = Item()
clothing = Clothing()
decor = Decor()
electronics = Electronics()
assert item.age == Item.DEFAULT_ITEM_AGE
assert clothing.age == Item.DEFAULT_ITEM_AGE
assert decor.age == Item.DEFAULT_ITEM_AGE
assert electronics.age == Item.DEFAULT_ITEM_AGE
def test_items_can_be_assigned_age():
item = Item(age = 1)
clothing = Clothing(age = 1)
decor = Decor(age = 1)
electronics = Electronics(age = 1)
assert item.age == 1
assert clothing.age == 1
assert decor.age == 1
assert electronics.age == 1
def test_swap_by_newest():
item_a = Decor(age=2)
item_b = Electronics(age=7)
item_c = Clothing(age=0.5)
johannes = Vendor(inventory=[item_a, item_b, item_c])
item_d = Electronics(age=10)
item_e = Decor(age=17)
item_f = Electronics(age=1)
live = Vendor(inventory=[item_d, item_e, item_f])
result = johannes.swap_by_newest(other=live)
assert result is True
assert len(johannes.inventory) is 3
assert len(live.inventory) is 3
assert item_c not in johannes.inventory
assert item_f in johannes.inventory
assert item_f not in live.inventory
assert item_c in live.inventory
def test_swap_by_newest_works_with_really_old_items():
item_a = Clothing(age=3857327832)
item_b = Decor(age=3758239357346849)
item_c = Electronics(age=73728834859649327)
johannes = Vendor(inventory=[item_a, item_b, item_c])
item_d = Electronics(age=863993285383268)
item_e = Decor(age=869393864386548438)
item_f = Clothing(age=94639489)
live = Vendor(inventory=[item_d, item_e, item_f])
result = johannes.swap_by_newest(other=live)
assert result is True
assert len(johannes.inventory) is 3
assert len(live.inventory) is 3
assert item_a not in johannes.inventory
assert item_f in johannes.inventory
assert item_f not in live.inventory
assert item_a in live.inventory
def test_swap_by_newest_swaps_first_item_when_all_items_are_same_age():
item_a = Clothing(age=5)
item_b = Decor(age=5)
item_c = Electronics(age=5)
johannes = Vendor(inventory=[item_a, item_b, item_c])
item_d = Electronics(age=5)
item_e = Decor(age=5)
item_f = Clothing(age=5)
live = Vendor(inventory=[item_d, item_e, item_f])
result = johannes.swap_by_newest(other=live)
assert result is True
assert len(johannes.inventory) is 3
assert len(live.inventory) is 3
assert item_a not in johannes.inventory
assert item_d in johannes.inventory
assert item_d not in live.inventory
assert item_a in live.inventory
def test_get_newest_item():
item_a = Clothing(year=2005)
item_b = Electronics(year=2002)
item_c = Clothing(year=1955)
item_d = Decor(year=1982)
item_e = Clothing(year=2013)
madison = Vendor(inventory=[item_a, item_b, item_c, item_d, item_e])
newest_item = madison.get_newest_item()
assert newest_item.year == 2013
assert newest_item.age == 8
assert newest_item.category == "Clothing"
def test_swap_best_by_category_no_other_match2():
item_a = Clothing(condition=2.0)
item_b = Decor(condition=4.0)
item_c = Clothing(condition=4.0)
item_d = Electronics(condition=4.0)
tai = Vendor(inventory=[item_a, item_b, item_c])
jesse = Vendor(inventory=[item_d])
result = tai.swap_best_by_category(other=jesse,
my_priority="Decor",
their_priority="Clothing")
assert result is False
def test_get_min_age():
item_a = Decor(condition=3.5)
item_b = Electronics(condition=3.5)
item_c = Clothing(condition=3.5, age=9.0)
item_d = Item(condition=3.5, age=1.0)
item_e = Clothing(condition=3.5, age=6.0)
kate = Vendor(
inventory=[item_a, item_b, item_c, item_d, item_e]
)
result = kate.get_min_age()
assert result.category == "Electronics"
assert result.age == pytest.approx(0.0)
def test_swap_by_newest_their_list_is_empty_false():
item_a = Decor(condition=3.5, age=7.0)
item_b = Electronics(condition=3.5, age=3.0)
item_c = Clothing(condition=3.5, age=9.0)
peter = Vendor(
inventory=[item_a, item_b, item_c]
)
tom = Vendor(inventory=[])
result = peter.swap_by_newest(tom)
assert result is False
assert len(tom.inventory) is 0
assert len(peter.inventory) is 3
def test_swap_by_newest_my_list_is_empty_return_false():
patrick = Vendor(inventory=[])
item_a = Decor(condition=3.5, age=7.0)
item_b = Electronics(condition=3.5, age=3.0)
item_c = Clothing(condition=3.5, age=9.0)
katrina = Vendor(
inventory=[item_a, item_b, item_c]
)
result = patrick.swap_by_newest(katrina)
assert result is False
assert len(patrick.inventory) is 0
assert len(katrina.inventory) is 3
def test_swap_by_newest_empty_other_inventory():
item_a = Decor(year=2001)
item_b = Electronics(year=1937)
item_c = Decor(year=2016)
madison = Vendor(inventory=[item_a, item_b, item_c])
jesse = Vendor(inventory=[])
result = madison.swap_by_newest(other_vendor=jesse, )
assert result is False
assert len(madison.inventory) is 3
assert len(jesse.inventory) is 0
assert item_a in madison.inventory
assert item_b in madison.inventory
assert item_c in madison.inventory
def test_swap_by_newest_no_age_is_false():
item_d = Electronics()
tai = Vendor(inventory=[item_d])
item_a = Clothing()
item_b = Decor()
item_c = Clothing()
jesse = Vendor(inventory=[item_a, item_b, item_c])
result = tai.swap_by_newest(other=jesse)
assert result is False
assert len(tai.inventory) is 1
assert len(jesse.inventory) is 3
assert item_a in jesse.inventory
assert item_b in jesse.inventory
assert item_c in jesse.inventory
def test_swap_by_newest():
item_a = Decor(year=2001)
item_b = Electronics(year=1937)
item_c = Decor(year=2016)
madison = Vendor(inventory=[item_a, item_b, item_c])
item_d = Clothing(year=2018)
item_e = Decor(year=1995)
item_f = Clothing(year=2019)
jesse = Vendor(inventory=[item_d, item_e, item_f])
result = madison.swap_by_newest(other_vendor=jesse, )
assert result is True
assert len(madison.inventory) is 3
assert len(jesse.inventory) is 3
assert item_c not in madison.inventory
assert item_f in madison.inventory
assert item_f not in jesse.inventory
assert item_c in jesse.inventory
def test_swap_by_newest():
item_a = Decor(age=2)
item_b = Electronics(age=4)
item_c = Decor(age=4)
tai = Vendor(inventory=[item_a, item_b, item_c])
item_d = Clothing(age=2)
item_e = Decor(age=4)
item_f = Clothing(age=4)
jesse = Vendor(inventory=[item_d, item_e, item_f])
result = tai.swap_by_newest(other=jesse, )
assert result is True
assert len(tai.inventory) is 3
assert len(jesse.inventory) is 3
assert item_a not in tai.inventory
assert item_d in tai.inventory
assert item_d not in jesse.inventory
assert item_a in jesse.inventory
def test_swap_by_age():
item_a = Decor(condition=2.0, age=3)
item_b = Electronics(condition=4.0, age=2)
item_c = Decor(condition=4.0, age=1)
tai = Vendor(inventory=[item_a, item_b, item_c])
item_d = Clothing(condition=2.0, age=2)
item_e = Decor(condition=4.0, age=1)
item_f = Clothing(condition=4.0, age=0)
jesse = Vendor(inventory=[item_d, item_e, item_f])
result = tai.swap_by_newest(other=jesse, )
assert result is True
assert len(tai.inventory) is 3
assert len(jesse.inventory) is 3
assert item_c not in tai.inventory
assert item_f in tai.inventory
assert item_f not in jesse.inventory
assert item_c in jesse.inventory
def test_items_have_condition_descriptions_that_are_the_same_regardless_of_type(
):
items = [
Clothing(condition=5),
Decor(condition=5),
Electronics(condition=5)
]
five_condition_description = items[0].condition_description()
assert isinstance(five_condition_description, str)
for item in items:
assert item.condition_description() == five_condition_description
items[0].condition = 1
one_condition_description = items[0].condition_description()
assert isinstance(one_condition_description, str)
for item in items:
item.condition = 1
assert item.condition_description() == one_condition_description
assert one_condition_description != five_condition_description