import * as 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)
        })
    })
})