khoj/tests/test_helpers.py
2022-09-04 16:31:46 +03:00

45 lines
1.6 KiB
Python

from src.utils import helpers
def test_get_from_null_dict():
# null handling
assert helpers.get_from_dict(dict()) == dict()
assert helpers.get_from_dict(dict(), None) == None
# key present in nested dictionary
# 1-level dictionary
assert helpers.get_from_dict({'a': 1, 'b': 2}, 'a') == 1
assert helpers.get_from_dict({'a': 1, 'b': 2}, 'c') == None
# 2-level dictionary
assert helpers.get_from_dict({'a': {'a_a': 1}, 'b': 2}, 'a') == {'a_a': 1}
assert helpers.get_from_dict({'a': {'a_a': 1}, 'b': 2}, 'a', 'a_a') == 1
# key not present in nested dictionary
# 2-level_dictionary
assert helpers.get_from_dict({'a': {'a_a': 1}, 'b': 2}, 'b', 'b_a') == None
def test_merge_dicts():
# basic merge of dicts with non-overlapping keys
assert helpers.merge_dicts(priority_dict={'a': 1}, default_dict={'b': 2}) == {'a': 1, 'b': 2}
# use default dict items when not present in priority dict
assert helpers.merge_dicts(priority_dict={}, default_dict={'b': 2}) == {'b': 2}
# do not override existing key in priority_dict with default dict
assert helpers.merge_dicts(priority_dict={'a': 1}, default_dict={'a': 2}) == {'a': 1}
def test_lru_cache():
# Test initializing cache
cache = helpers.LRU({'a': 1, 'b': 2}, capacity=2)
assert cache == {'a': 1, 'b': 2}
# Test capacity overflow
cache['c'] = 3
assert cache == {'b': 2, 'c': 3}
# Test delete least recently used item from LRU cache on capacity overflow
cache['b'] # accessing 'b' makes it the most recently used item
cache['d'] = 4 # so 'c' is deleted from the cache instead of 'b'
assert cache == {'b': 2, 'd': 4}