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Contents
import Hamming from './hamming'
describe('Hamming', () => {
const hamming = new Hamming()
it('no difference between identical strands', () => {
expect(hamming.compute('A', 'A')).toEqual(0)
})
it('complete hamming distance for single nucleotide strand', () => {
expect(hamming.compute('A', 'G')).toEqual(1)
})
it('complete hamming distance for small strand', () => {
expect(hamming.compute('AG', 'CT')).toEqual(2)
})
it('small hamming distance', () => {
expect(hamming.compute('AT', 'CT')).toEqual(1)
})
it('small hamming distance in longer strand', () => {
expect(hamming.compute('GGACG', 'GGTCG')).toEqual(1)
})
it('large hamming distance', () => {
expect(hamming.compute('GATACA', 'GCATAA')).toEqual(4)
})
it('hamming distance in very long strand', () => {
expect(hamming.compute('GGACGGATTCTG', 'AGGACGGATTCT')).toEqual(9)
})
it('throws error when strands are not equal length', () => {
expect(() => { hamming.compute('GGACGGATTCTG', 'AGGAC') }
).toThrowError('DNA strands must be of equal length.' )
})
})
Version data entries
71 entries across 71 versions & 1 rubygems