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