66 lines
2.3 KiB
Python
66 lines
2.3 KiB
Python
#
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# Copyright (c) 2022 Airbyte, Inc., all rights reserved.
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#
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import math
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import pytest
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from source_square.utils import separate_by_count, separate_items_by_count
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def test_separate_by_count():
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total_parts, last_part = separate_by_count(total_length=196582, part_count=10000)
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assert total_parts == 19
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assert last_part == 6582
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total_parts, last_part = separate_by_count(total_length=1, part_count=10)
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assert total_parts == 0
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assert last_part == 1
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total_parts, last_part = separate_by_count(total_length=10000, part_count=10000)
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assert total_parts == 1
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assert last_part == 0
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with pytest.raises(ZeroDivisionError):
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separate_by_count(total_length=0, part_count=0)
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total_parts, last_part = separate_by_count(total_length=0, part_count=10)
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assert total_parts == 0
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assert last_part == 0
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total_parts, last_part = separate_by_count(total_length=math.inf, part_count=10)
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assert math.isnan(total_parts) is True
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assert math.isnan(last_part) is True
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total_parts, last_part = separate_by_count(total_length=math.inf, part_count=math.inf)
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assert math.isnan(total_parts) is True
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assert math.isnan(last_part) is True
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def test_separate_items_by_count():
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item_list = [i for i in range(10)]
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result_list = separate_items_by_count(item_list=[], part_count=10)
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assert result_list == []
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result_list = separate_items_by_count(item_list=item_list, part_count=1)
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assert result_list == [[0], [1], [2], [3], [4], [5], [6], [7], [8], [9]]
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result_list = separate_items_by_count(item_list=item_list, part_count=10)
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assert result_list == [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]]
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result_list = separate_items_by_count(item_list=item_list, part_count=15)
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assert result_list == [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]]
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result_list = separate_items_by_count(item_list=item_list, part_count=4)
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assert result_list == [[0, 1, 2, 3], [4, 5, 6, 7], [8, 9]]
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result_list = separate_items_by_count(item_list=item_list, part_count=5)
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assert result_list == [[0, 1, 2, 3, 4], [5, 6, 7, 8, 9]]
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result_list = separate_items_by_count(item_list=item_list, part_count=9)
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assert result_list == [[0, 1, 2, 3, 4, 5, 6, 7, 8], [9]]
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result_list = separate_items_by_count(item_list=None, part_count=5)
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assert result_list == []
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