ipld-eth-server/libraries/shared/storage/backfiller_test.go
2019-12-02 11:26:44 -06:00

238 lines
7.3 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 storage_test
import (
"errors"
"github.com/ethereum/go-ethereum/statediff"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/libraries/shared/mocks"
"github.com/vulcanize/vulcanizedb/libraries/shared/storage"
"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
"github.com/vulcanize/vulcanizedb/libraries/shared/test_data"
)
var _ = Describe("BackFiller", func() {
Describe("BackFill", func() {
var (
mockFetcher *mocks.StateDiffFetcher
backFiller storage.BackFiller
)
BeforeEach(func() {
mockFetcher = new(mocks.StateDiffFetcher)
mockFetcher.PayloadsToReturn = map[uint64]statediff.Payload{
test_data.BlockNumber.Uint64(): test_data.MockStatediffPayload,
test_data.BlockNumber2.Uint64(): test_data.MockStatediffPayload2,
}
})
It("batch calls statediff_stateDiffAt", func() {
backFiller = storage.NewStorageBackFiller(mockFetcher, 100)
backFill := make(chan utils.StorageDiff)
done := make(chan bool)
errChan := make(chan error)
backFillInitErr := backFiller.BackFill(
test_data.BlockNumber.Uint64(),
test_data.BlockNumber2.Uint64(),
backFill,
errChan,
done)
Expect(backFillInitErr).ToNot(HaveOccurred())
var diffs []utils.StorageDiff
for {
select {
case diff := <-backFill:
diffs = append(diffs, diff)
continue
case err := <-errChan:
Expect(err).ToNot(HaveOccurred())
continue
case <-done:
break
}
break
}
Expect(mockFetcher.CalledTimes).To(Equal(int64(1)))
Expect(len(diffs)).To(Equal(4))
Expect(containsDiff(diffs, test_data.CreatedExpectedStorageDiff)).To(BeTrue())
Expect(containsDiff(diffs, test_data.UpdatedExpectedStorageDiff)).To(BeTrue())
Expect(containsDiff(diffs, test_data.DeletedExpectedStorageDiff)).To(BeTrue())
Expect(containsDiff(diffs, test_data.UpdatedExpectedStorageDiff2)).To(BeTrue())
})
It("has a configurable batch size", func() {
backFiller = storage.NewStorageBackFiller(mockFetcher, 1)
backFill := make(chan utils.StorageDiff)
done := make(chan bool)
errChan := make(chan error)
backFillInitErr := backFiller.BackFill(
test_data.BlockNumber.Uint64(),
test_data.BlockNumber2.Uint64(),
backFill,
errChan,
done)
Expect(backFillInitErr).ToNot(HaveOccurred())
var diffs []utils.StorageDiff
for {
select {
case diff := <-backFill:
diffs = append(diffs, diff)
continue
case err := <-errChan:
Expect(err).ToNot(HaveOccurred())
continue
case <-done:
break
}
break
}
Expect(mockFetcher.CalledTimes).To(Equal(int64(2)))
Expect(len(diffs)).To(Equal(4))
Expect(containsDiff(diffs, test_data.CreatedExpectedStorageDiff)).To(BeTrue())
Expect(containsDiff(diffs, test_data.UpdatedExpectedStorageDiff)).To(BeTrue())
Expect(containsDiff(diffs, test_data.DeletedExpectedStorageDiff)).To(BeTrue())
Expect(containsDiff(diffs, test_data.UpdatedExpectedStorageDiff2)).To(BeTrue())
})
It("handles bin numbers in excess of the goroutine limit (100)", func() {
payloadsToReturn := make(map[uint64]statediff.Payload, 1001)
for i := test_data.BlockNumber.Uint64(); i <= test_data.BlockNumber.Uint64()+1000; i++ {
payloadsToReturn[i] = test_data.MockStatediffPayload
}
mockFetcher.PayloadsToReturn = payloadsToReturn
// batch size of 2 with 1001 block range => 501 bins
backFiller = storage.NewStorageBackFiller(mockFetcher, 2)
backFill := make(chan utils.StorageDiff)
done := make(chan bool)
errChan := make(chan error)
backFillInitErr := backFiller.BackFill(
test_data.BlockNumber.Uint64(),
test_data.BlockNumber.Uint64()+1000,
backFill,
errChan,
done)
Expect(backFillInitErr).ToNot(HaveOccurred())
var diffs []utils.StorageDiff
for {
select {
case diff := <-backFill:
diffs = append(diffs, diff)
continue
case err := <-errChan:
Expect(err).ToNot(HaveOccurred())
continue
case <-done:
break
}
break
}
Expect(mockFetcher.CalledTimes).To(Equal(int64(501)))
Expect(len(diffs)).To(Equal(3003))
Expect(containsDiff(diffs, test_data.CreatedExpectedStorageDiff)).To(BeTrue())
Expect(containsDiff(diffs, test_data.UpdatedExpectedStorageDiff)).To(BeTrue())
Expect(containsDiff(diffs, test_data.DeletedExpectedStorageDiff)).To(BeTrue())
})
It("passes fetcher errors forward", func() {
mockFetcher.FetchErrs = map[uint64]error{
test_data.BlockNumber.Uint64(): errors.New("mock fetcher error"),
}
backFiller = storage.NewStorageBackFiller(mockFetcher, 1)
backFill := make(chan utils.StorageDiff)
done := make(chan bool)
errChan := make(chan error)
backFillInitErr := backFiller.BackFill(
test_data.BlockNumber.Uint64(),
test_data.BlockNumber2.Uint64(),
backFill,
errChan,
done)
Expect(backFillInitErr).ToNot(HaveOccurred())
var numOfErrs int
var diffs []utils.StorageDiff
for {
select {
case diff := <-backFill:
diffs = append(diffs, diff)
continue
case err := <-errChan:
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(Equal("mock fetcher error"))
numOfErrs++
continue
case <-done:
break
}
break
}
Expect(mockFetcher.CalledTimes).To(Equal(int64(2)))
Expect(numOfErrs).To(Equal(1))
Expect(len(diffs)).To(Equal(1))
Expect(containsDiff(diffs, test_data.UpdatedExpectedStorageDiff2)).To(BeTrue())
mockFetcher.FetchErrs = map[uint64]error{
test_data.BlockNumber.Uint64(): errors.New("mock fetcher error"),
test_data.BlockNumber2.Uint64(): errors.New("mock fetcher error"),
}
mockFetcher.CalledTimes = 0
backFiller = storage.NewStorageBackFiller(mockFetcher, 1)
backFill = make(chan utils.StorageDiff)
done = make(chan bool)
errChan = make(chan error)
backFillInitErr = backFiller.BackFill(
test_data.BlockNumber.Uint64(),
test_data.BlockNumber2.Uint64(),
backFill,
errChan,
done)
Expect(backFillInitErr).ToNot(HaveOccurred())
numOfErrs = 0
diffs = []utils.StorageDiff{}
for {
select {
case diff := <-backFill:
diffs = append(diffs, diff)
continue
case err := <-errChan:
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(Equal("mock fetcher error"))
numOfErrs++
continue
case <-done:
break
}
break
}
Expect(mockFetcher.CalledTimes).To(Equal(int64(2)))
Expect(numOfErrs).To(Equal(2))
Expect(len(diffs)).To(Equal(0))
})
})
})
func containsDiff(diffs []utils.StorageDiff, diff utils.StorageDiff) bool {
for _, d := range diffs {
if d == diff {
return true
}
}
return false
}