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8c2f2ca15a
* feat: add dice coefficient * chore: link to wikipedia article * chore: convert to esm * refactor: add tests * chore: formatting
22 lines
686 B
JavaScript
22 lines
686 B
JavaScript
import { diceCoefficient } from '../DiceCoefficient'
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describe('diceCoefficient', () => {
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it('should calculate edit distance between two strings', () => {
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// equal strings return 1 (max possible value)
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expect(diceCoefficient('abc', 'abc')).toBe(1)
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expect(diceCoefficient('', '')).toBe(1)
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// string length needs to be atleast 2 (unless equal)
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expect(diceCoefficient('a', '')).toBe(0)
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expect(diceCoefficient('', 'a')).toBe(0)
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expect(diceCoefficient('skate', 'ate')).toBe(0.66)
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expect(diceCoefficient('money', 'honey')).toBe(0.75)
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expect(diceCoefficient('love', 'hate')).toBe(0)
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expect(diceCoefficient('skilled', 'killed')).toBe(0.9)
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})
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})
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