Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
"""
Tests for quantities
"""
from typing import TYPE_CHECKING
from kodo.quantities import QuantityUnit
class Time(QuantityUnit):
MS = 10
S = 1000 * MS
def test_add() -> None:
assert (1500 @ Time.MS) + (500 @ Time.MS) == (2000 @ Time.MS)
assert (1500 @ Time.MS) - (500 @ Time.MS) == (1000 @ Time.MS)
def test_multiplication() -> None:
assert (1800 @ Time.MS) * 2 == (3600 @ Time.MS)
assert (3600 @ Time.MS) * 0.5 == (1800 @ Time.MS)
assert (3600 @ Time.MS) / 2 == (1800 @ Time.MS)
assert (1800 @ Time.MS) / 0.5 == (3600 @ Time.MS)
def test_division_by_quantity() -> None:
assert (3600 @ Time.MS) // (1 @ Time.S) == 3
assert isinstance((3 @ Time.S) // (1 @ Time.S), int)
assert (3600 @ Time.MS) // Time.S == 3
assert isinstance((3 @ Time.S) // Time.S, int)
def test_modulus() -> None:
assert (3600 @ Time.MS) % (2 @ Time.S) == 1600 @ Time.MS
assert (3600 @ Time.MS) % Time.S == 600 @ Time.MS
def test_order() -> None:
assert (1 @ Time.S) > (999 @ Time.MS)
assert (1 @ Time.S) >= (999 @ Time.MS)
assert (1 @ Time.S) >= (1 @ Time.S)
assert (999 @ Time.MS) < (1 @ Time.S)
assert (999 @ Time.MS) <= (1 @ Time.S)
assert (1 @ Time.S) <= (1 @ Time.S)
assert (1 @ Time.S) != (2 @ Time.S)
if TYPE_CHECKING:
def type_checks() -> None:
# Checks for type checker false negatives
#
# All the following should result in an error when checked with mypy or pyright; the
# errors are suppressed but if they are not raised the suppression itself will cause
# mypy to raise an error in strict mode.
_ = (1 @ Time.S) + 3 # type: ignore[operator]
_ = (1 @ Time.S) - 3.0 # type: ignore[operator]
_ = (1 @ Time.S) * (1 @ Time.S) # type: ignore[operator]
_ = (1 @ Time.S) / (1 @ Time.S) # type: ignore[operator]
_ = (1 @ Time.S) // 2 # type: ignore[operator]
_ = (1 @ Time.S) // 2.0 # type: ignore[operator]
_ = (1 @ Time.S) > 10 # type: ignore[operator]
_ = (1 @ Time.S) >= 10 # type: ignore[operator]
_ = (1 @ Time.S) < 10 # type: ignore[operator]
_ = (1 @ Time.S) <= 10 # type: ignore[operator]