def test_delete_deletes_file_when_last_key() -> None:
path = Path.cwd() / "config.json"
storage = Storage(str(path))
storage.set("key", "value")
storage.delete("key")
assert not path.exists()
def test_set_creates_new_file_when_file_does_not_exist() -> None:
path = Path.cwd() / "config.json"
storage = Storage(str(path))
storage.set("key", "value")
data = json.loads(path.read_text(encoding="utf-8"))
assert data == {"key": "value"}
def test_set_overrides_values_in_existing_file() -> None:
path = Path.cwd() / "config.json"
with path.open("w+", encoding="utf-8") as file:
file.write('{ "key": "value" }')
storage = Storage(str(path))
storage.set("key", "new-value")
data = json.loads(path.read_text(encoding="utf-8"))
assert data == {"key": "new-value"}
def test_delete_unsets_value() -> None:
path = Path.cwd() / "config.json"
storage = Storage(str(path))
storage.set("key1", "value1")
storage.set("key2", "value2")
storage.set("key3", "value3")
storage.delete("key2")
data = json.loads(path.read_text(encoding="utf-8"))
assert data == {"key1": "value1", "key3": "value3"}