ipld-eth-server/pkg/transformers/vat_grab/transformer_test.go
Elizabeth bd428e752a Update vat grab to use transformer factory (#85)
* Update vat grab to use transformer factory
2018-10-26 11:02:39 -05:00

147 lines
4.6 KiB
Go

package vat_grab_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"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
)
var _ = Describe("Vat grab transformer", func() {
var (
config = vat_grab.VatGrabConfig
converter mocks.MockConverter
repository mocks.MockRepository
fetcher mocks.MockLogFetcher
transformer shared.Transformer
)
BeforeEach(func() {
repository = mocks.MockRepository{}
fetcher = mocks.MockLogFetcher{}
converter = mocks.MockConverter{}
transformer = factories.Transformer{
Config: config,
Fetcher: &fetcher,
Converter: &converter,
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(vat_grab.VatGrabConfig.StartingBlockNumber))
Expect(repository.PassedEndingBlockNumber).To(Equal(vat_grab.VatGrabConfig.EndingBlockNumber))
})
It("returns error if repository returns error for missing headers", func() {
repository.SetMissingHeadersError(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{{BlockNumber: 1}, {BlockNumber: 2}})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(fetcher.FetchedBlocks).To(Equal([]int64{1, 2}))
Expect(fetcher.FetchedContractAddresses).To(Equal([][]string{vat_grab.VatGrabConfig.ContractAddresses, vat_grab.VatGrabConfig.ContractAddresses}))
Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.VatGrabSignature)}}))
})
It("returns error if fetcher returns error", func() {
fetcher.SetFetcherError(fakes.FakeError)
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("marks header checked if no logs returned", func() {
headerID := int64(123)
repository.SetMissingHeaders([]core.Header{{Id: headerID}})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
repository.AssertMarkHeaderCheckedCalledWith(headerID)
})
It("returns error if marking header checked returns err", func() {
repository.SetMissingHeaders([]core.Header{{Id: int64(123)}})
repository.SetMarkHeaderCheckedError(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.EthVatGrabLog})
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(converter.PassedLogs).To(Equal([]types.Log{test_data.EthVatGrabLog}))
})
It("returns error if converter returns error", func() {
converter.SetConverterError(fakes.FakeError)
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatGrabLog})
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("persists vat grab model", func() {
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatGrabLog})
fakeHeader := core.Header{BlockNumber: 1, Id: 2}
repository.SetMissingHeaders([]core.Header{fakeHeader})
converter.SetReturnModels([]interface{}{test_data.VatGrabModel})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(repository.PassedHeaderID).To(Equal(fakeHeader.Id))
Expect(repository.PassedModels[0]).To(Equal(test_data.VatGrabModel))
})
It("returns error if repository returns error for create", func() {
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatGrabLog})
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: 2}})
repository.SetCreateError(fakes.FakeError)
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})