ipld-eth-server/libraries/shared/transactions/syncer_test.go

99 lines
3.2 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 transactions_test
import (
"github.com/ethereum/go-ethereum/core/types"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/libraries/shared/transactions"
"github.com/vulcanize/vulcanizedb/pkg/eth/core"
"github.com/vulcanize/vulcanizedb/pkg/eth/fakes"
"github.com/vulcanize/vulcanizedb/test_config"
)
var _ = Describe("Transaction syncer", func() {
var (
blockChain *fakes.MockBlockChain
syncer transactions.TransactionsSyncer
)
BeforeEach(func() {
db := test_config.NewTestDB(test_config.NewTestNode())
test_config.CleanTestDB(db)
blockChain = fakes.NewMockBlockChain()
syncer = transactions.NewTransactionsSyncer(db, blockChain)
})
It("fetches transactions for logs", func() {
err := syncer.SyncTransactions(0, []types.Log{{TxHash: fakes.FakeHash}})
Expect(err).NotTo(HaveOccurred())
Expect(blockChain.GetTransactionsCalled).To(BeTrue())
})
It("does not fetch transactions if no logs", func() {
err := syncer.SyncTransactions(0, []types.Log{})
Expect(err).NotTo(HaveOccurred())
Expect(blockChain.GetTransactionsCalled).To(BeFalse())
})
It("only fetches transactions with unique hashes", func() {
err := syncer.SyncTransactions(0, []types.Log{{
TxHash: fakes.FakeHash,
}, {
TxHash: fakes.FakeHash,
}})
Expect(err).NotTo(HaveOccurred())
Expect(len(blockChain.GetTransactionsPassedHashes)).To(Equal(1))
})
It("returns error if fetching transactions fails", func() {
blockChain.GetTransactionsError = fakes.FakeError
err := syncer.SyncTransactions(0, []types.Log{{TxHash: fakes.FakeHash}})
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("passes transactions to repository for persistence", func() {
blockChain.Transactions = []core.TransactionModel{{}}
mockHeaderRepository := fakes.NewMockHeaderRepository()
syncer.Repository = mockHeaderRepository
err := syncer.SyncTransactions(0, []types.Log{{TxHash: fakes.FakeHash}})
Expect(err).NotTo(HaveOccurred())
Expect(mockHeaderRepository.CreateTransactionsCalled).To(BeTrue())
})
It("returns error if persisting transactions fails", func() {
blockChain.Transactions = []core.TransactionModel{{}}
mockHeaderRepository := fakes.NewMockHeaderRepository()
mockHeaderRepository.CreateTransactionsError = fakes.FakeError
syncer.Repository = mockHeaderRepository
err := syncer.SyncTransactions(0, []types.Log{{TxHash: fakes.FakeHash}})
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})