ipld-eth-server/pkg/transformers/factories/transformer_test.go
2018-12-07 18:10:36 +01:00

143 lines
4.3 KiB
Go

// Copyright 2018 Vulcanize
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package factories_test
import (
"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"
"math/rand"
)
var _ = Describe("Transformer", func() {
var (
repository mocks.MockRepository
converter mocks.MockConverter
transformer shared.Transformer
headerOne core.Header
config = test_data.GenericTestConfig
logs = test_data.GenericTestLogs
)
BeforeEach(func() {
repository = mocks.MockRepository{}
converter = mocks.MockConverter{}
transformer = factories.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 := transformer.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 := transformer.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 := transformer.Execute(logs, headerOne)
Expect(err).NotTo(HaveOccurred())
repository.AssertMarkHeaderCheckedNotCalled()
})
It("returns error if marking header checked returns err", func() {
repository.SetMarkHeaderCheckedError(fakes.FakeError)
err := transformer.Execute([]types.Log{}, headerOne)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("converts an eth log to an entity", func() {
err := transformer.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 := transformer.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 := transformer.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 := transformer.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 := transformer.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 := transformer.Execute(logs, headerOne)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})