xahau.js/test/models/offerCancel.ts

import { ValidationError } from 'xrpl-local/common/errors'
import { verifyOfferCancel } from './../../src/models/transactions/offerCancel'
import { assert } from 'chai'

/**
 * OfferCancel Transaction Verification Testing
 *
 * Providing runtime verification testing for each specific transaction type
 */
describe('OfferCancel Transaction Verification', function () {
   let offer
   
   beforeEach(() => {
       offer = {
            Account: "rnKiczmiQkZFiDES8THYyLA2pQohC5C6EF",
            Fee: "10",
            LastLedgerSequence: 65477334,
            OfferSequence: 60797528,
            Sequence: 60797535,
            SigningPubKey: "0361BFD43D1EEA54B77CC152887312949EBF052997FBFFCDAF6F2653164B55B21...",
            TransactionType: "OfferCancel",
            TxnSignature: "30450221008C43BDCFC68B4793857CA47DF454C07E5B45D3F80E8E6785CAB9292...",
            date: "2021-08-06T21:04:11Z"
        } as any
   })

    it (`verifies valid OfferCancel`, () => {        
        assert.doesNotThrow(() => verifyOfferCancel(offer))        
    })

    it (`verifies valid OfferCancel with flags`, () => {
        offer.Flags = 2147483648
        assert.doesNotThrow(() => verifyOfferCancel(offer))
    })

    it (`throws w/ OfferSequence must be a number`, () => {
        offer.OfferSequence = '99'
        assert.throws(
            () => verifyOfferCancel(offer),
            ValidationError,
            "OfferCancel: OfferSequence must be a number"
        )
    })

    it (`throws w/ missing OfferSequence`, () => {
        delete offer.OfferSequence
        assert.throws(
            () => verifyOfferCancel(offer),
            ValidationError,
            "OfferCancel: missing field OfferSequence"
        )
    })
})