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3f094fe49d
* Python linting: Add ruff rules for Pandas-vet and Pytest-style
* updating DIRECTORY.md
---------
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
98 lines
2.2 KiB
Python
98 lines
2.2 KiB
Python
from operator import delitem, getitem, setitem
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import pytest
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from data_structures.hashing.hash_map import HashMap
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def _get(k):
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return getitem, k
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def _set(k, v):
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return setitem, k, v
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def _del(k):
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return delitem, k
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def _run_operation(obj, fun, *args):
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try:
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return fun(obj, *args), None
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except Exception as e:
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return None, e
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_add_items = (
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_set("key_a", "val_a"),
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_set("key_b", "val_b"),
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)
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_overwrite_items = [
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_set("key_a", "val_a"),
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_set("key_a", "val_b"),
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]
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_delete_items = [
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_set("key_a", "val_a"),
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_set("key_b", "val_b"),
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_del("key_a"),
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_del("key_b"),
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_set("key_a", "val_a"),
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_del("key_a"),
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]
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_access_absent_items = [
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_get("key_a"),
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_del("key_a"),
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_set("key_a", "val_a"),
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_del("key_a"),
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_del("key_a"),
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_get("key_a"),
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]
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_add_with_resize_up = [
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*[_set(x, x) for x in range(5)], # guaranteed upsize
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]
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_add_with_resize_down = [
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*[_set(x, x) for x in range(5)], # guaranteed upsize
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*[_del(x) for x in range(5)],
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_set("key_a", "val_b"),
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]
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@pytest.mark.parametrize(
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"operations",
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[
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pytest.param(_add_items, id="add items"),
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pytest.param(_overwrite_items, id="overwrite items"),
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pytest.param(_delete_items, id="delete items"),
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pytest.param(_access_absent_items, id="access absent items"),
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pytest.param(_add_with_resize_up, id="add with resize up"),
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pytest.param(_add_with_resize_down, id="add with resize down"),
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],
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)
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def test_hash_map_is_the_same_as_dict(operations):
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my = HashMap(initial_block_size=4)
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py = {}
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for _, (fun, *args) in enumerate(operations):
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my_res, my_exc = _run_operation(my, fun, *args)
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py_res, py_exc = _run_operation(py, fun, *args)
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assert my_res == py_res
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assert str(my_exc) == str(py_exc)
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assert set(py) == set(my)
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assert len(py) == len(my)
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assert set(my.items()) == set(py.items())
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def test_no_new_methods_was_added_to_api():
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def is_public(name: str) -> bool:
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return not name.startswith("_")
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dict_public_names = {name for name in dir({}) if is_public(name)}
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hash_public_names = {name for name in dir(HashMap()) if is_public(name)}
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assert dict_public_names > hash_public_names
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