squid-js/integration/ocean/ConsumeAssetBrizo.test.ts

import { assert } from 'chai'
import * as fs from 'fs'

import { config } from '../config'
import { getMetadata } from '../utils'

import { Ocean, Account, DDO } from '../../src' // @oceanprotocol/squid

describe('Consume Asset (Brizo)', () => {
    let ocean: Ocean

    let publisher: Account
    let consumer: Account

    let ddo: DDO
    let agreementId: string

    let metadata = getMetadata()

    before(async () => {
        ocean = await Ocean.getInstance(config)

        // Accounts
        ;[publisher, consumer] = await ocean.accounts.list()

        if (!ocean.keeper.dispenser) {
            metadata = getMetadata(0)
        }
    })

    after(() => {
        try {
            localStorage.clear()
        } catch {}
    })

    it('should authenticate the accounts', async () => {
        await publisher.authenticate()
        await consumer.authenticate()
    })

    it('should register an asset', async () => {
        const steps = []
        ddo = await ocean.assets
            .create(metadata as any, publisher)
            .next(step => steps.push(step))

        assert.instanceOf(ddo, DDO)
        assert.deepEqual(steps, [0, 1, 2, 3, 4, 5, 6, 7])
    })

    it('should order the asset', async () => {
        const steps = []

        try {
            await consumer.requestTokens(
                +metadata.main.price * 10 ** -(await ocean.keeper.token.decimals())
            )

            agreementId = await ocean.assets
                .order(ddo.id, consumer)
                .next(step => steps.push(step))
        } catch {}

        assert.isDefined(agreementId)
        assert.deepEqual(steps, [0, 1, 2, 3])
    })

    it('should consume and store the assets', async () => {
        const folder = '/tmp/ocean/squid-js'
        const path = await ocean.assets.consume(agreementId, ddo.id, consumer, folder)

        assert.include(path, folder, 'The storage path is not correct.')

        const files = await new Promise<string[]>(resolve => {
            fs.readdir(path, (e, fileList) => {
                resolve(fileList)
            })
        })

        assert.deepEqual(
            files,
            ['README.md', 'package.json'],
            'Stored files are not correct.'
        )
    })
})