ipld-eth-server/libraries/shared/factories/event/transformer_test.go

147 lines
4.3 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 event_test
import (
"math/rand"
"github.com/ethereum/go-ethereum/core/types"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/libraries/shared/factories/event"
"github.com/vulcanize/vulcanizedb/libraries/shared/mocks"
"github.com/vulcanize/vulcanizedb/libraries/shared/test_data"
"github.com/vulcanize/vulcanizedb/libraries/shared/transformer"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
)
var _ = Describe("Transformer", func() {
var (
repository mocks.MockRepository
converter mocks.MockConverter
t transformer.EventTransformer
headerOne core.Header
config = test_data.GenericTestConfig
logs = test_data.GenericTestLogs
)
BeforeEach(func() {
repository = mocks.MockRepository{}
converter = mocks.MockConverter{}
t = event.Transformer{
Repository: &repository,
Converter: &converter,
Config: config,
}.NewTransformer(nil)
headerOne = core.Header{Id: rand.Int63(), BlockNumber: rand.Int63()}
})
It("sets the db", func() {
Expect(repository.SetDbCalled).To(BeTrue())
})
It("marks header checked if no logs returned", func() {
err := t.Execute([]types.Log{}, headerOne)
Expect(err).NotTo(HaveOccurred())
repository.AssertMarkHeaderCheckedCalledWith(headerOne.Id)
})
It("doesn't attempt to convert or persist an empty collection when there are no logs", func() {
err := t.Execute([]types.Log{}, headerOne)
Expect(err).NotTo(HaveOccurred())
Expect(converter.ToEntitiesCalledCounter).To(Equal(0))
Expect(converter.ToModelsCalledCounter).To(Equal(0))
Expect(repository.CreateCalledCounter).To(Equal(0))
})
It("does not call repository.MarkCheckedHeader when there are logs", func() {
err := t.Execute(logs, headerOne)
Expect(err).NotTo(HaveOccurred())
repository.AssertMarkHeaderCheckedNotCalled()
})
It("returns error if marking header checked returns err", func() {
repository.SetMarkHeaderCheckedError(fakes.FakeError)
err := t.Execute([]types.Log{}, headerOne)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("converts an eth log to an entity", func() {
err := t.Execute(logs, headerOne)
Expect(err).NotTo(HaveOccurred())
Expect(converter.ContractAbi).To(Equal(config.ContractAbi))
Expect(converter.LogsToConvert).To(Equal(logs))
})
It("returns an error if converter fails", func() {
converter.ToEntitiesError = fakes.FakeError
err := t.Execute(logs, headerOne)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("converts an entity to a model", func() {
converter.EntitiesToReturn = []interface{}{test_data.GenericEntity{}}
err := t.Execute(logs, headerOne)
Expect(err).NotTo(HaveOccurred())
Expect(converter.EntitiesToConvert[0]).To(Equal(test_data.GenericEntity{}))
})
It("returns an error if converting to models fails", func() {
converter.EntitiesToReturn = []interface{}{test_data.GenericEntity{}}
converter.ToModelsError = fakes.FakeError
err := t.Execute(logs, headerOne)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("persists the record", func() {
converter.ModelsToReturn = []interface{}{test_data.GenericModel{}}
err := t.Execute(logs, headerOne)
Expect(err).NotTo(HaveOccurred())
Expect(repository.PassedHeaderID).To(Equal(headerOne.Id))
Expect(repository.PassedModels[0]).To(Equal(test_data.GenericModel{}))
})
It("returns error if persisting the record fails", func() {
repository.SetCreateError(fakes.FakeError)
err := t.Execute(logs, headerOne)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})