d06dddbfaa
- Enables syncing Geth and Parity diffs with same transformer lookup - Maybe worth always hashing the storage key so we don't need a hashed and not-hashed version in the key lookups?
98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package fetcher_test
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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"github.com/hpcloud/tail"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/libraries/shared/fetcher"
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"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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"strings"
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"time"
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)
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var _ = Describe("Csv Tail Storage Fetcher", func() {
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var (
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errorsChannel chan error
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mockTailer *fakes.MockTailer
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diffsChannel chan utils.StorageDiff
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storageFetcher fetcher.CsvTailStorageFetcher
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)
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BeforeEach(func() {
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errorsChannel = make(chan error)
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diffsChannel = make(chan utils.StorageDiff)
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mockTailer = fakes.NewMockTailer()
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storageFetcher = fetcher.NewCsvTailStorageFetcher(mockTailer)
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})
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It("adds error to errors channel if tailing file fails", func(done Done) {
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mockTailer.TailErr = fakes.FakeError
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go storageFetcher.FetchStorageDiffs(diffsChannel, errorsChannel)
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Expect(<-errorsChannel).To(MatchError(fakes.FakeError))
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close(done)
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})
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It("adds parsed csv row to rows channel for storage diff", func(done Done) {
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line := getFakeLine()
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go storageFetcher.FetchStorageDiffs(diffsChannel, errorsChannel)
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mockTailer.Lines <- line
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expectedRow, err := utils.FromParityCsvRow(strings.Split(line.Text, ","))
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Expect(err).NotTo(HaveOccurred())
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Expect(<-diffsChannel).To(Equal(expectedRow))
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close(done)
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})
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It("adds error to errors channel if parsing csv fails", func(done Done) {
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line := &tail.Line{Text: "invalid"}
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go storageFetcher.FetchStorageDiffs(diffsChannel, errorsChannel)
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mockTailer.Lines <- line
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Expect(<-errorsChannel).To(HaveOccurred())
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select {
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case <-diffsChannel:
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Fail("value passed to rows channel on error")
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default:
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Succeed()
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}
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close(done)
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})
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})
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func getFakeLine() *tail.Line {
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address := common.HexToAddress("0x1234567890abcdef")
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blockHash := []byte{4, 5, 6}
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blockHeight := int64(789)
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storageKey := []byte{9, 8, 7}
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storageValue := []byte{6, 5, 4}
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return &tail.Line{
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Text: fmt.Sprintf("%s,%s,%d,%s,%s", common.Bytes2Hex(address.Bytes()), common.Bytes2Hex(blockHash),
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blockHeight, common.Bytes2Hex(storageKey), common.Bytes2Hex(storageValue)),
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Time: time.Time{},
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Err: nil,
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}
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}
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