2020-10-11 19:47:49 +00:00
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import { checkIfPatternExists } from '../PatternMatching'
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2020-10-04 14:38:48 -03:00
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describe('checkIfPatternExists', () => {
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it('expects to find a pattern with correct input', () => {
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const text = 'AABAACAADAABAAAABAA'
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const pattern = 'AABA'
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const SUT = checkIfPatternExists(text.toLowerCase(), pattern.toLowerCase())
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expect(SUT).toBe('Given pattern is found at index 0')
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})
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it('expects to return a message when there is no pattern', () => {
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const text = 'ABCDEFG'
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const pattern = 'AEG'
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const SUT = checkIfPatternExists(text.toLowerCase(), pattern.toLowerCase())
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expect(SUT).toBe(undefined)
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})
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it('expects to find a pattern independent of casing', () => {
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const text = 'AbCAAAAAAB'
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const pattern = 'abc'
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const SUT = checkIfPatternExists(text, pattern)
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expect(SUT).toBe(undefined)
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})
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2021-10-05 12:49:23 +05:30
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it('expects to throw an error message when given input is not a string', () => {
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2020-10-04 14:38:48 -03:00
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const text = 123444456
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const pattern = 123
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2020-10-11 19:47:49 +00:00
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expect(() => checkIfPatternExists(text, pattern)).toThrow(
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'Given input is not a string'
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)
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2020-10-04 14:38:48 -03:00
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})
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})
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