ipld-eth-server/pkg/transformers/vat_tune/transformer_test.go
2018-10-25 10:02:06 -05:00

150 lines
4.8 KiB
Go

package vat_tune_test
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"github.com/vulcanize/vulcanizedb/pkg/transformers/factories"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks"
vat_tune_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/vat_tune"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_tune"
"math/rand"
)
var _ = Describe("Vat tune transformer", func() {
var (
config = vat_tune.VatTuneConfig
fetcher mocks.MockLogFetcher
converter vat_tune_mocks.MockVatTuneConverter
repository vat_tune_mocks.MockVatTuneRepository
transformer shared.Transformer
headerOne core.Header
headerTwo core.Header
)
BeforeEach(func() {
fetcher = mocks.MockLogFetcher{}
converter = vat_tune_mocks.MockVatTuneConverter{}
repository = vat_tune_mocks.MockVatTuneRepository{}
headerOne = core.Header{Id: rand.Int63(), BlockNumber: rand.Int63()}
headerTwo = core.Header{Id: rand.Int63(), BlockNumber: rand.Int63()}
transformer = factories.Transformer{
Config: config,
Converter: &converter,
Fetcher: &fetcher,
Repository: &repository,
}.NewTransformer(nil, nil)
})
It("sets the blockchain and database", func() {
Expect(fetcher.SetBcCalled).To(BeTrue())
Expect(repository.SetDbCalled).To(BeTrue())
})
It("gets missing headers for block numbers specified in config", func() {
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(repository.PassedStartingBlockNumber).To(Equal(config.StartingBlockNumber))
Expect(repository.PassedEndingBlockNumber).To(Equal(config.EndingBlockNumber))
})
It("returns error if repository returns error for missing headers", func() {
repository.SetMissingHeadersErr(fakes.FakeError)
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("fetches logs for missing headers", func() {
repository.SetMissingHeaders([]core.Header{headerOne, headerTwo})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(fetcher.FetchedBlocks).To(Equal([]int64{headerOne.BlockNumber, headerTwo.BlockNumber}))
Expect(fetcher.FetchedContractAddresses).To(Equal([][]string{config.ContractAddresses, config.ContractAddresses}))
Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.VatTuneSignature)}}))
})
It("returns error if fetcher returns error", func() {
fetcher.SetFetcherError(fakes.FakeError)
repository.SetMissingHeaders([]core.Header{headerOne})
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("marks header checked if no logs returned", func() {
repository.SetMissingHeaders([]core.Header{headerOne})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
repository.AssertMarkHeaderCheckedCalledWith(headerOne.Id)
})
It("returns error if marking header checked returns err", func() {
repository.SetMissingHeaders([]core.Header{headerOne})
repository.SetMarkHeaderCheckedErr(fakes.FakeError)
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("converts matching logs", func() {
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatTuneLog})
repository.SetMissingHeaders([]core.Header{headerOne})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(converter.PassedLogs).To(Equal([]types.Log{test_data.EthVatTuneLog}))
})
It("returns error if converter returns error", func() {
converter.SetConverterError(fakes.FakeError)
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatTuneLog})
repository.SetMissingHeaders([]core.Header{headerOne})
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("persists vat tune model", func() {
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatTuneLog})
repository.SetMissingHeaders([]core.Header{headerOne})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(repository.PassedHeaderID).To(Equal(headerOne.Id))
Expect(repository.PassedModels).To(Equal([]interface{}{test_data.VatTuneModel}))
})
It("returns error if repository returns error for create", func() {
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatTuneLog})
repository.SetMissingHeaders([]core.Header{headerOne})
repository.SetCreateError(fakes.FakeError)
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})