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09-filter.exercise.ts
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Requirements
describe('getValidUserAddress', () => {
it('returns O.none if user has no address', () => {
const result = getValidUserAddress(O.none)
expect(result).toEqual(O.none)
})
it('returns O.none if user has an address that is too short', () => {
const result = getValidUserAddress(O.of('456'))
expect(result).toEqual(O.none)
})
it('returns the valid address if user has an address that is long enough', () => {
const result = getValidUserAddress(O.of('123 Main St'))
expect(result).toEqual(O.some('123 Main St'))
})
})
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