squid-js/integration/ocean/ConsumeBigAsset.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

// Ensure that your network is fast enought and you have some free ram before run it.
xdescribe('Consume Asset (Large size)', () => {
    let ocean: Ocean

    let publisher: Account
    let consumer: Account

    let ddo: DDO
    let agreementId: string

    const baseMetadata = getMetadata()
    const metadata = {
        ...baseMetadata,
        base: {
            ...baseMetadata.base,
            files: [
                {
                    url: 'https://speed.hetzner.de/1GB.bin'
                }
            ]
        }
    }

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

        // Accounts
        publisher = (await ocean.accounts.list())[0]
        consumer = (await ocean.accounts.list())[1]
    })

    it('should regiester an asset', async () => {
        ddo = await ocean.assets.create(metadata as any, publisher)

        assert.instanceOf(ddo, DDO)
    })

    it('should order the asset', async () => {
        const accessService = ddo.findServiceByType('Access')

        await consumer.requestTokens(metadata.base.price)

        agreementId = await ocean.assets.order(
            ddo.id,
            accessService.serviceDefinitionId,
            consumer
        )

        assert.isDefined(agreementId)
    })

    it('should consume and store the assets', async () => {
        const accessService = ddo.findServiceByType('Access')

        const folder = '/tmp/ocean/squid-js'
        const path = await ocean.assets.consume(
            agreementId,
            ddo.id,
            accessService.serviceDefinitionId,
            consumer,
            folder
        )

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

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

        assert.deepEqual(files, ['1GB.bin'], 'Stored files are not correct.')
    })
})