import assert from 'assert'
import DID from '../../src/ocean/DID'

describe('DID', () => {
    describe('#generate()', () => {
        it('should generate a new did', () => {
            const did: DID = DID.generate()
            assert(did)
        })
    })

    describe('#parse()', () => {
        it('should parse a valid did', () => {
            const id = 'a'.repeat(64)
            const did: DID = DID.parse(`did:op:${id}`)
            assert(did)

            assert(did.getId() === id, did.getId())
        })

        it('should throw if prefix does not match', done => {
            const id = '1234'
            try {
                const did: DID = DID.parse(`did:xxx:${id}`)
                assert(!did)
            } catch {
                done()
            }
        })

        it('should throw if id does not match', done => {
            const id = 'xyz'
            try {
                const did: DID = DID.parse(`did:op:${id}`)
                assert(!did)
            } catch {
                done()
            }
        })
    })

    describe('#getDid()', () => {
        it('should return the full did', () => {
            const did: DID = DID.generate()
            assert(did)

            assert(did.getDid().startsWith('did:op:'))
        })
    })

    describe('#getDid()', () => {
        it('should return only the id part of the did', () => {
            const id = 'a'.repeat(64)
            const did: DID = DID.parse(`did:op:${id}`)
            assert(did)

            assert(did.getId() === id)
        })
    })
})