| 1 | const truncateString = require('./truncateString')
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| 2 |
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| 3 | describe('truncateString', () => {
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| 4 | it('should truncate the string to the length', () => {
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| 5 | expect(truncateString('abcdefghijkl', 14)).toEqual('abcdefghijkl')
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| 6 | expect(truncateString('abcdefghijkl', 13)).toEqual('abcdefghijkl')
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| 7 | expect(truncateString('abcdefghijkl', 12)).toEqual('abcdefghijkl')
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| 8 | expect(truncateString('abcdefghijkl', 11)).toEqual('abcd...ijkl')
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| 9 | expect(truncateString('abcdefghijkl', 10)).toEqual('abcd...jkl')
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| 10 | expect(truncateString('abcdefghijkl', 9)).toEqual('abc...jkl')
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| 11 | expect(truncateString('abcdefghijkl', 8)).toEqual('abc...kl')
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| 12 | expect(truncateString('abcdefghijkl', 7)).toEqual('ab...kl')
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| 13 | expect(truncateString('abcdefghijkl', 6)).toEqual('ab...l')
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| 14 | expect(truncateString('abcdefghijkl', 5)).toEqual('a...l')
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| 15 | expect(truncateString('abcdefghijkl', 4)).toEqual('a...')
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| 16 | expect(truncateString('abcdefghijkl', 3)).toEqual('abc')
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| 17 | expect(truncateString('abcdefghijkl', 2)).toEqual('ab')
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| 18 | expect(truncateString('abcdefghijkl', 1)).toEqual('a')
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| 19 | expect(truncateString('abcdefghijkl', 0)).toEqual('')
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| 20 | })
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| 21 |
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| 22 | it('should not truncate the string if it is already short enough', () => {
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| 23 | expect(truncateString('hello world', 100)).toEqual('hello world')
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| 24 | expect(truncateString('hello world', 11)).toEqual('hello world')
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| 25 | })
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| 26 |
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| 27 | it('should not truncate the string if it is too short to be meaningfully truncated', () => {
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| 28 | expect(truncateString('abc', 2)).toEqual('ab')
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| 29 | expect(truncateString('abc', 1)).toEqual('a')
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| 30 | })
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| 31 | })
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