Common transformer tests (#97)
* Move chop lump transformer test to a generic log_note_transformer_test * Add test cases to transformer test - cat file flip - cat file pit vow - deal - dent * Move transformer tests over to transformer factor test file - drip drip - drip file ilk/repo/vow - pit file deb ceiling/ilk/stability fee - price feeds * Move LogNoteTransformer test into factory package and remove log specific transformer tests * Move Transformer test into factory package and remove log event specific transformer tests * Respond to PR comments
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/*
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* Copyright 2018 Vulcanize
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package bite_test
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import (
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"math/rand"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/bite"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/factories"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks"
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)
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var _ = Describe("Bite Transformer", func() {
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var repository mocks.MockRepository
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var fetcher mocks.MockLogFetcher
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var converter mocks.MockConverter
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var transformer shared.Transformer
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var blockNumber1 = rand.Int63()
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var blockNumber2 = rand.Int63()
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BeforeEach(func() {
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repository = mocks.MockRepository{}
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fetcher = mocks.MockLogFetcher{}
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converter = mocks.MockConverter{}
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transformer = factories.Transformer{
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Repository: &repository,
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Fetcher: &fetcher,
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Converter: &converter,
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Config: bite.BiteConfig,
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}.NewTransformer(nil, nil)
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})
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It("sets the blockchain and db", func() {
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Expect(fetcher.SetBcCalled).To(BeTrue())
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Expect(repository.SetDbCalled).To(BeTrue())
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})
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It("gets missing headers for blocks in the configured range", func() {
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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Expect(repository.PassedStartingBlockNumber).To(Equal(bite.BiteConfig.StartingBlockNumber))
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Expect(repository.PassedEndingBlockNumber).To(Equal(bite.BiteConfig.EndingBlockNumber))
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})
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It("returns an error if it fails to get missing headers", func() {
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repository.SetMissingHeadersError(fakes.FakeError)
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err := transformer.Execute()
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Expect(err).To(HaveOccurred())
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})
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It("fetches eth logs for each missing header", func() {
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repository.SetMissingHeaders([]core.Header{{BlockNumber: blockNumber1}, {BlockNumber: blockNumber2}})
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expectedTopics := [][]common.Hash{{common.HexToHash(shared.BiteSignature)}}
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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Expect(fetcher.FetchedBlocks).To(Equal([]int64{blockNumber1, blockNumber2}))
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Expect(fetcher.FetchedTopics).To(Equal(expectedTopics))
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Expect(fetcher.FetchedContractAddresses).To(Equal([][]string{bite.BiteConfig.ContractAddresses, bite.BiteConfig.ContractAddresses}))
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})
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It("returns an error if fetching logs fails", func() {
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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fetcher.SetFetcherError(fakes.FakeError)
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err := transformer.Execute()
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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It("marks header checked if no logs returned", func() {
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headerID := int64(123)
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repository.SetMissingHeaders([]core.Header{{Id: headerID}})
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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repository.AssertMarkHeaderCheckedCalledWith(headerID)
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})
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It("returns error if marking header checked returns err", func() {
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repository.SetMissingHeaders([]core.Header{{Id: int64(123)}})
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repository.SetMarkHeaderCheckedError(fakes.FakeError)
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err := transformer.Execute()
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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It("converts an eth log to an Entity", func() {
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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fetcher.SetFetchedLogs([]types.Log{test_data.EthBiteLog})
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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Expect(converter.ContractAbi).To(Equal(bite.BiteConfig.ContractAbi))
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Expect(converter.LogsToConvert).To(Equal([]types.Log{test_data.EthBiteLog}))
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})
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It("returns an error if converter fails", func() {
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headerId := int64(1)
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repository.SetMissingHeaders([]core.Header{{BlockNumber: blockNumber1, Id: headerId}})
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fetcher.SetFetchedLogs([]types.Log{test_data.EthBiteLog})
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converter.ToEntitiesError = fakes.FakeError
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err := transformer.Execute()
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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It("converts an entity to a BiteModel", func() {
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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fetcher.SetFetchedLogs([]types.Log{test_data.EthBiteLog})
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converter.EntitiesToReturn = []interface{}{test_data.BiteEntity}
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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Expect(converter.EntitiesToConvert[0]).To(Equal(test_data.BiteEntity))
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})
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It("returns an error if converting to models fails", func() {
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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fetcher.SetFetchedLogs([]types.Log{test_data.EthBiteLog})
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converter.EntitiesToReturn = []interface{}{test_data.BiteEntity}
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converter.ToModelsError = fakes.FakeError
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err := transformer.Execute()
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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It("persists the bite record", func() {
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headerId := int64(1)
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repository.SetMissingHeaders([]core.Header{{BlockNumber: blockNumber1, Id: headerId}})
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fetcher.SetFetchedLogs([]types.Log{test_data.EthBiteLog})
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converter.ModelsToReturn = []interface{}{test_data.BiteModel}
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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Expect(repository.PassedHeaderID).To(Equal(headerId))
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Expect(repository.PassedModels[0]).To(Equal(test_data.BiteModel))
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})
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It("returns error if persisting bite record fails", func() {
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repository.SetMissingHeaders([]core.Header{{BlockNumber: blockNumber1}})
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fetcher.SetFetchedLogs([]types.Log{test_data.EthBiteLog})
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repository.SetCreateError(fakes.FakeError)
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err := transformer.Execute()
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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})
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