test_ok2/testing/test_store.py

61 lines
1.7 KiB
Python

import pytest
from _pytest.store import Store
from _pytest.store import StoreKey
def test_store() -> None:
store = Store()
key1 = StoreKey[str]()
key2 = StoreKey[int]()
# Basic functionality - single key.
assert key1 not in store
store[key1] = "hello"
assert key1 in store
assert store[key1] == "hello"
assert store.get(key1, None) == "hello"
store[key1] = "world"
assert store[key1] == "world"
# Has correct type (no mypy error).
store[key1] + "string"
# No interaction with another key.
assert key2 not in store
assert store.get(key2, None) is None
with pytest.raises(KeyError):
store[key2]
with pytest.raises(KeyError):
del store[key2]
store[key2] = 1
assert store[key2] == 1
# Has correct type (no mypy error).
store[key2] + 20
del store[key1]
with pytest.raises(KeyError):
del store[key1]
with pytest.raises(KeyError):
store[key1]
# setdefault
store[key1] = "existing"
assert store.setdefault(key1, "default") == "existing"
assert store[key1] == "existing"
key_setdefault = StoreKey[bytes]()
assert store.setdefault(key_setdefault, b"default") == b"default"
assert store[key_setdefault] == b"default"
# Can't accidentally add attributes to store object itself.
with pytest.raises(AttributeError):
store.foo = "nope" # type: ignore[attr-defined] # noqa: F821
# No interaction with anoter store.
store2 = Store()
key3 = StoreKey[int]()
assert key2 not in store2
store2[key2] = 100
store2[key3] = 200
assert store2[key2] + store2[key3] == 300
assert store[key2] == 1
assert key3 not in store