def test_removing_not_found_is_false():
item = "item to remove"
vendor = Vendor(inventory=["a", "b", "c"])
result = vendor.remove(item)
assert len(vendor.inventory) is 3
assert result is False
def test_adding_to_inventory():
vendor = Vendor()
item = "new item"
result = vendor.add(item)
assert len(vendor.inventory) is 1
assert item in vendor.inventory
assert result is item
def test_removing_from_inventory_returns_item():
item = "item to remove"
vendor = Vendor(inventory=["a", "b", "c", item])
result = vendor.remove(item)
assert len(vendor.inventory) is 3
assert item not in vendor.inventory
assert result is item
def test_best_by_category_no_matches_is_none():
item_a = Decor(condition=2.0)
item_b = Decor(condition=2.0)
item_c = Decor(condition=4.0)
tai = Vendor(inventory=[item_a, item_b, item_c])
best_item = tai.get_best_by_category("Electronics")
assert best_item is None
def test_get_no_matching_items_by_category():
item_a = Item(category="clothing")
item_b = Item(category="clothing")
item_c = Item(category="clothing")
vendor = Vendor(inventory=[item_a, item_b, item_c])
items = vendor.get_by_category("electronics")
assert len(items) is 0
def test_best_by_category_with_duplicates():
item_a = Clothing(condition=2.0)
item_b = Clothing(condition=4.0)
item_c = Clothing(condition=4.0)
tai = Vendor(inventory=[item_a, item_b, item_c])
best_item = tai.get_best_by_category("Clothing")
assert best_item.category == "Clothing"
assert best_item.condition == pytest.approx(4.0)
def test_best_by_category():
item_a = Clothing(condition=2.0)
item_b = Decor(condition=2.0)
item_c = Clothing(condition=4.0)
item_d = Decor(condition=5.0)
item_e = Clothing(condition=3.0)
tai = Vendor(inventory=[item_a, item_b, item_c, item_d, item_e])
best_item = tai.get_best_by_category("Clothing")
assert best_item.category == "Clothing"
assert best_item.condition == pytest.approx(4.0)
def test_get_items_by_category():
item_a = Item(category="clothing")
item_b = Item(category="electronics")
item_c = Item(category="clothing")
vendor = Vendor(inventory=[item_a, item_b, item_c])
items = vendor.get_by_category("clothing")
assert len(items) is 2
assert item_a in items
assert item_c in items
assert item_b not in items
def test_vendor_takes_optional_inventory():
inventory = ["a", "b", "c"]
vendor = Vendor(inventory=inventory)
assert len(vendor.inventory) is 3
assert "a" in inventory
assert "b" in inventory
assert "c" in inventory
def test_swap_best_by_category_no_other_match():
item_a = Clothing(condition=2.0)
item_b = Decor(condition=4.0)
item_c = Clothing(condition=4.0)
tai = Vendor(inventory=[item_a, item_b, item_c])
jesse = Vendor(inventory=[])
result = tai.swap_best_by_category(other=jesse,
my_priority="Decor",
their_priority="Clothing")
assert result is False
assert len(tai.inventory) is 3
assert len(jesse.inventory) is 0
assert item_a in tai.inventory
assert item_b in tai.inventory
assert item_c in tai.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_vendor_has_inventory():
vendor = Vendor()
assert len(vendor.inventory) is 0