import pytest from src.basic_data_handling.data_list_nodes import ( DataListAppend, DataListExtend, DataListInsert, DataListRemove, DataListPop, DataListIndex, DataListCount, DataListSort, DataListReverse, DataListLength, DataListSlice, DataListGetItem, DataListSetItem, DataListContains, DataListZip, DataListFilter, DataListMin, DataListMax, ) def test_append(): node = DataListAppend() assert node.append(list=[1, 2, 3], item=[4]) == ([1, 2, 3, 4],) assert node.append(list=[], item=["test"]) == (["test"],) assert node.append(list=[1, 2, 3], item=[]) == ([1, 2, 3],) def test_extend(): node = DataListExtend() assert node.extend(list_a=[1, 2], list_b=[3, 4]) == ([1, 2, 3, 4],) assert node.extend(list_a=[], list_b=["a", "b"]) == (["a", "b"],) assert node.extend(list_a=[1], list_b=[]) == ([1],) def test_insert(): node = DataListInsert() assert node.insert(list=[1, 2, 4], index=[2], item=[3]) == ([1, 2, 3, 4],) assert node.insert(list=[], index=[0], item=["a"]) == (["a"],) assert node.insert(list=[1, 2], index=[5], item=[3]) == ([1, 2, 3],) # Out-of-range insert def test_remove(): node = DataListRemove() assert node.remove(list=[1, 2, 3], value=[2]) == ([1, 3], True) assert node.remove(list=["a", "b", "a"], value=["a"]) == (["b", "a"], True) assert node.remove(list=[1, 2, 3], value=[5]) == ([1, 2, 3], False) # Value not found def test_pop(): node = DataListPop() assert node.pop(list=[1, 2, 3], index=[1]) == ([1, 3], 2) assert node.pop(list=["a", "b", "c"], index=[-1]) == (["a", "b"], "c") # Negative index assert node.pop(list=[], index=[0]) == ([], None) # Pop from empty list def test_index(): node = DataListIndex() assert node.list_index(list=["a", "b", "c"], value=["b"]) == (1,) assert node.list_index(list=[1, 2, 3], value=[5]) == (-1,) # Value not found assert node.list_index(list=[1, 2, 1, 2], value=[1], start=[1]) == (2,) def test_count(): node = DataListCount() assert node.count(list=[1, 2, 1, 2], value=[1]) == (2,) assert node.count(list=["a", "b", "a"], value=["a"]) == (2,) assert node.count(list=[], value=["x"]) == (0,) def test_sort(): node = DataListSort() assert node.sort(list=[3, 2, 1]) == ([1, 2, 3],) assert node.sort(list=["c", "a", "b"]) == (["a", "b", "c"],) assert node.sort(list=[3, 1, 2], reverse=["True"]) == ([3, 2, 1],) # Reverse sort def test_reverse(): node = DataListReverse() assert node.reverse(list=[1, 2, 3]) == ([3, 2, 1],) assert node.reverse(list=[]) == ([],) def test_length(): node = DataListLength() assert node.length(list=[1, 2, 3]) == (3,) assert node.length(list=[]) == (0,) def test_slice(): node = DataListSlice() assert node.slice(list=[1, 2, 3, 4, 5], start=[1], stop=[4]) == ([2, 3, 4],) assert node.slice(list=[1, 2, 3], start=[0], stop=[2], step=[2]) == ([1],) assert node.slice(list=["a", "b", "c"], start=[-2], stop=[3]) == (["b", "c"],) def test_get_item(): node = DataListGetItem() assert node.get_item(list=[1, 2, 3], index=[1]) == (2,) assert node.get_item(list=["a", "b", "c"], index=[-1]) == ("c",) # Negative index assert node.get_item(list=[], index=[0]) == (None,) # Out of range def test_set_item(): node = DataListSetItem() assert node.set_item(list=[1, 2, 3], index=[1], value=[9]) == ([1, 9, 3],) assert node.set_item(list=["a", "b", "c"], index=[-1], value=["z"]) == (["a", "b", "z"],) with pytest.raises(IndexError): node.set_item(list=[], index=[0], value=["test"]) # Out of range def test_contains(): node = DataListContains() assert node.contains(list=[1, 2, 3], value=[2]) == (True,) assert node.contains(list=["a", "b"], value=["c"]) == (False,) assert node.contains(list=[], value=["x"]) == (False,) def test_zip(): node = DataListZip() assert node.zip_lists(list1=[1, 2], list2=["a", "b"]) == ([[1, "a"], [2, "b"]],) assert node.zip_lists(list1=[1], list2=["a", "b"]) == ([[1, "a"]],) # Shortest list length assert node.zip_lists(list1=[1, 2, 3], list2=["a", "b"]) == ([[1, "a"], [2, "b"]],) # Different lengths def test_filter(): node = DataListFilter() assert node.filter_data(value=[1, 2, 3], filter=[False, True, False]) == ([1, 3],) assert node.filter_data(value=[1, 2], filter=[True, True]) == ([],) assert node.filter_data(value=[1, 2, 3], filter=[False, False, False]) == ([1, 2, 3],) def test_min(): node = DataListMin() assert node.find_min(list=[3, 1, 2]) == (1,) assert node.find_min(list=[-1, -5, 0]) == (-5,) assert node.find_min(list=[]) == (None,) def test_max(): node = DataListMax() assert node.find_max(list=[3, 1, 2]) == (3,) assert node.find_max(list=[-1, -5, 0]) == (0,) assert node.find_max(list=[]) == (None,)