28 lines
884 B
Python
28 lines
884 B
Python
from src.codewars.kata_pagination_helper import PaginationHelper
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def test_pagination():
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collection = ["a", "b", "c", "d", "e", "f"]
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helper = PaginationHelper(collection, 4)
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assert helper.page_count() == 2
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assert helper.item_count() == 6
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assert helper.page_item_count(0) == 4
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assert helper.page_item_count(1) == 2
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assert helper.page_item_count(2) == -1
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assert helper.page_index(5) == 1
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assert helper.page_index(2) == 0
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assert helper.page_index(20) == -1
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assert helper.page_index(-10) == -1
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empty = PaginationHelper([], 10)
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assert empty.item_count() == 0
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assert empty.page_count() == 0
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assert empty.page_index(0) == -1
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assert empty.page_index(1) == -1
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assert empty.page_index(-1) == -1
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assert empty.page_item_count(0) == -1
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assert empty.page_item_count(1) == -1
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assert empty.page_item_count(-1) == -1
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