ipld-eth-server/pkg/transformers/tend/transformer_test.go
2018-09-04 16:07:35 -05:00

132 lines
4.6 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 tend_test
import (
"math/rand"
"github.com/ethereum/go-ethereum/common"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"github.com/vulcanize/vulcanizedb/pkg/transformers/tend"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks"
tend_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/tend"
)
var _ = Describe("Tend Transformer", func() {
var repository tend_mocks.MockTendRepository
var fetcher mocks.MockLogFetcher
var converter tend_mocks.MockTendConverter
var transformer tend.TendTransformer
var blockNumber1 = rand.Int63()
var blockNumber2 = rand.Int63()
BeforeEach(func() {
repository = tend_mocks.MockTendRepository{}
fetcher = mocks.MockLogFetcher{}
converter = tend_mocks.MockTendConverter{}
transformer = tend.TendTransformer{
Repository: &repository,
Fetcher: &fetcher,
Converter: &converter,
Config: tend.TendConfig,
}
})
It("gets missing headers for blocks in the configured range", func() {
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(repository.PassedStartingBlockNumber).To(Equal(tend.TendConfig.StartingBlockNumber))
Expect(repository.PassedEndingBlockNumber).To(Equal(tend.TendConfig.EndingBlockNumber))
})
It("returns an error if it fails to get missing headers", func() {
repository.SetMissingHeadersErr(fakes.FakeError)
err := transformer.Execute()
Expect(err).To(HaveOccurred())
})
It("fetches eth logs for each missing header", func() {
repository.SetMissingHeaders([]core.Header{{BlockNumber: blockNumber1}, {BlockNumber: blockNumber2}})
expectedTopics := [][]common.Hash{{common.HexToHash(shared.TendFunctionSignature)}}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(fetcher.FetchedBlocks).To(Equal([]int64{blockNumber1, blockNumber2}))
Expect(fetcher.FetchedTopics).To(Equal(expectedTopics))
Expect(fetcher.FetchedContractAddress).To(Equal(shared.FlipperContractAddress))
})
It("returns an error if fetching logs fails", func() {
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
fetcher.SetFetcherError(fakes.FakeError)
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("converts an eth log to an Model", func() {
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
fetcher.SetFetchedLogs([]types.Log{test_data.TendLogNote})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(converter.ConverterContract).To(Equal(tend.TendConfig.ContractAddress))
Expect(converter.ConverterAbi).To(Equal(tend.TendConfig.ContractAbi))
Expect(converter.LogsToConvert).To(Equal([]types.Log{test_data.TendLogNote}))
})
It("returns an error if converter fails", func() {
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
fetcher.SetFetchedLogs([]types.Log{test_data.TendLogNote})
converter.SetConverterError(fakes.FakeError)
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("persists the tend record", func() {
headerId := int64(1)
repository.SetMissingHeaders([]core.Header{{BlockNumber: blockNumber1, Id: headerId}})
fetcher.SetFetchedLogs([]types.Log{test_data.TendLogNote})
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(repository.PassedHeaderID).To(Equal(headerId))
Expect(repository.PassedTendModel).To(Equal(test_data.TendModel))
})
It("returns error if persisting tend record fails", func() {
repository.SetMissingHeaders([]core.Header{{BlockNumber: blockNumber1}})
fetcher.SetFetchedLogs([]types.Log{test_data.TendLogNote})
repository.SetCreateError(fakes.FakeError)
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})