forked from cerc-io/ipld-eth-server
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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// 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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package frob_test
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import (
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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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/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/factories"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/frob"
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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("Frob transformer", func() {
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var (
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repository mocks.MockRepository
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transformer shared.Transformer
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fetcher mocks.MockLogFetcher
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converter mocks.MockConverter
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config = frob.FrobConfig
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)
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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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Config: config,
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Fetcher: &fetcher,
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Converter: &converter,
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Repository: &repository,
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}.NewTransformer(nil, nil)
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})
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It("gets missing headers for block numbers specified in config", 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(frob.FrobConfig.StartingBlockNumber))
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Expect(repository.PassedEndingBlockNumber).To(Equal(frob.FrobConfig.EndingBlockNumber))
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})
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It("returns error if repository returns error for 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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Expect(err).To(MatchError(fakes.FakeError))
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})
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It("fetches logs for missing headers", func() {
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}, {BlockNumber: 2}})
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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{1, 2}))
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Expect(fetcher.FetchedContractAddresses).To(Equal([][]string{frob.FrobConfig.ContractAddresses, frob.FrobConfig.ContractAddresses}))
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Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.FrobSignature)}}))
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})
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It("returns error if fetcher returns error", func() {
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fetcher.SetFetcherError(fakes.FakeError)
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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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 matching logs to entity", func() {
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fetcher.SetFetchedLogs([]types.Log{test_data.EthFrobLog})
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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Expect(converter.ContractAbi).To(Equal(frob.FrobConfig.ContractAbi))
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Expect(converter.LogsToConvert).To(Equal([]types.Log{test_data.EthFrobLog}))
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})
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It("returns error if converting to entity returns error", func() {
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converter.ToEntitiesError = fakes.FakeError
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fetcher.SetFetchedLogs([]types.Log{test_data.EthFrobLog})
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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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 frob entity to model", func() {
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converter.EntitiesToReturn = []interface{}{test_data.FrobEntity}
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fetcher.SetFetchedLogs([]types.Log{test_data.EthFrobLog})
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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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.FrobEntity))
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})
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It("returns error if converting to model returns error", func() {
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converter.ToModelsError = fakes.FakeError
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fetcher.SetFetchedLogs([]types.Log{test_data.EthFrobLog})
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
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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 frob model", func() {
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converter.ModelsToReturn = []interface{}{test_data.FrobModel}
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fetcher.SetFetchedLogs([]types.Log{test_data.EthFrobLog})
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fakeHeader := core.Header{BlockNumber: 1, Id: 2}
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repository.SetMissingHeaders([]core.Header{fakeHeader})
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err := transformer.Execute()
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Expect(err).NotTo(HaveOccurred())
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Expect(repository.PassedHeaderID).To(Equal(fakeHeader.Id))
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Expect(repository.PassedModels[0]).To(Equal(test_data.FrobModel))
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})
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It("returns error if repository returns error for create", func() {
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fetcher.SetFetchedLogs([]types.Log{test_data.EthFrobLog})
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repository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: 2}})
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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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