ipld-eth-server/pkg/ipfs/mocks/publisher.go
2019-12-02 13:24:58 -06:00

56 lines
2.0 KiB
Go

// VulcanizeDB
// Copyright © 2019 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package mocks
import (
"fmt"
"github.com/vulcanize/vulcanizedb/pkg/ipfs"
)
// IPLDPublisher is the underlying struct for the Publisher interface
type IPLDPublisher struct {
PassedIPLDPayload *ipfs.IPLDPayload
ReturnCIDPayload *ipfs.CIDPayload
ReturnErr error
}
// Publish publishes an IPLDPayload to IPFS and returns the corresponding CIDPayload
func (pub *IPLDPublisher) Publish(payload *ipfs.IPLDPayload) (*ipfs.CIDPayload, error) {
pub.PassedIPLDPayload = payload
return pub.ReturnCIDPayload, pub.ReturnErr
}
// IterativeIPLDPublisher is the underlying struct for the Publisher interface; used in testing
type IterativeIPLDPublisher struct {
PassedIPLDPayload []*ipfs.IPLDPayload
ReturnCIDPayload []*ipfs.CIDPayload
ReturnErr error
iteration int
}
// Publish publishes an IPLDPayload to IPFS and returns the corresponding CIDPayload
func (pub *IterativeIPLDPublisher) Publish(payload *ipfs.IPLDPayload) (*ipfs.CIDPayload, error) {
pub.PassedIPLDPayload = append(pub.PassedIPLDPayload, payload)
if len(pub.ReturnCIDPayload) < pub.iteration+1 {
return nil, fmt.Errorf("IterativeIPLDPublisher does not have a payload to return at iteration %d", pub.iteration)
}
returnPayload := pub.ReturnCIDPayload[pub.iteration]
pub.iteration++
return returnPayload, pub.ReturnErr
}