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28 lines
1.4 KiB
28 lines
1.4 KiB
2 years ago
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import { describe, expect, it } from '@jest/globals'
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import truncateString from './truncateString.js'
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describe('truncateString', () => {
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it('should truncate the string to the length', () => {
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expect(truncateString('abcdefghijkl', 14)).toEqual('abcdefghijkl')
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expect(truncateString('abcdefghijkl', 13)).toEqual('abcdefghijkl')
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expect(truncateString('abcdefghijkl', 12)).toEqual('abcdefghijkl')
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expect(truncateString('abcdefghijkl', 11)).toEqual('abcd...ijkl')
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expect(truncateString('abcdefghijkl', 10)).toEqual('abcd...jkl')
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expect(truncateString('abcdefghijkl', 9)).toEqual('abc...jkl')
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expect(truncateString('abcdefghijkl', 8)).toEqual('abc...kl')
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expect(truncateString('abcdefghijkl', 7)).toEqual('ab...kl')
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expect(truncateString('abcdefghijkl', 6)).toEqual('ab...l')
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expect(truncateString('abcdefghijkl', 5)).toEqual('a...l')
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expect(truncateString('abcdefghijkl', 4)).toEqual('abc…')
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expect(truncateString('abcdefghijkl', 3)).toEqual('ab…')
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expect(truncateString('abcdefghijkl', 2)).toEqual('a…')
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expect(truncateString('abcdefghijkl', 1)).toEqual('…')
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expect(truncateString('abcdefghijkl', 0)).toEqual('')
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})
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it('should not truncate the string if it is already short enough', () => {
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expect(truncateString('hello world', 100)).toEqual('hello world')
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expect(truncateString('hello world', 11)).toEqual('hello world')
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})
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})
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