ipld-eth-server/pkg/transformers/price_feeds/transformer_test.go
Rob Mulholand 92525ca575 Make price feed log persistence atomic per block
- Prevents marking header as checked if only one of several price feed
  logs is successfully persisted
2018-09-25 14:11:35 -05:00

213 lines
7.6 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 price_feeds_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/price_feeds"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
price_feeds_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/price_feeds"
)
var _ = Describe("Price feed transformer", func() {
It("gets missing headers for price feeds", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
transformer := price_feeds.PriceFeedTransformer{
Config: price_feeds.PriceFeedConfig,
Converter: mockConverter,
Fetcher: &price_feeds_mocks.MockPriceFeedFetcher{},
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
mockRepository.AssertMissingHeadersCalledwith(price_feeds.PriceFeedConfig.StartingBlockNumber, price_feeds.PriceFeedConfig.EndingBlockNumber)
})
It("returns error is missing headers call returns err", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
mockRepository.SetMissingHeadersErr(fakes.FakeError)
transformer := price_feeds.PriceFeedTransformer{
Converter: mockConverter,
Fetcher: &price_feeds_mocks.MockPriceFeedFetcher{},
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("fetches logs for missing headers", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
blockNumberOne := int64(1)
blockNumberTwo := int64(2)
mockRepository.SetMissingHeaders([]core.Header{{BlockNumber: blockNumberOne}, {BlockNumber: blockNumberTwo}})
mockFetcher := &price_feeds_mocks.MockPriceFeedFetcher{}
transformer := price_feeds.PriceFeedTransformer{
Converter: mockConverter,
Fetcher: mockFetcher,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
mockFetcher.AssertFetchLogValuesCalledWith([]int64{blockNumberOne, blockNumberTwo})
})
It("returns err if fetcher returns err", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
mockRepository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
mockFetcher := &price_feeds_mocks.MockPriceFeedFetcher{}
mockFetcher.SetReturnErr(fakes.FakeError)
transformer := price_feeds.PriceFeedTransformer{
Converter: mockConverter,
Fetcher: mockFetcher,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("marks header checked if no logs returned", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
headerID := int64(123)
mockRepository.SetMissingHeaders([]core.Header{{Id: headerID}})
mockFetcher := &price_feeds_mocks.MockPriceFeedFetcher{}
transformer := price_feeds.PriceFeedTransformer{
Converter: mockConverter,
Fetcher: mockFetcher,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
mockRepository.AssertMarkHeaderCheckedCalledWith(headerID)
})
It("returns error if marking header checked returns err", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
mockRepository.SetMissingHeaders([]core.Header{{Id: int64(123)}})
mockRepository.SetMarkHeaderCheckedErr(fakes.FakeError)
mockFetcher := &price_feeds_mocks.MockPriceFeedFetcher{}
transformer := price_feeds.PriceFeedTransformer{
Converter: mockConverter,
Fetcher: mockFetcher,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("converts log to a model", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockFetcher := &price_feeds_mocks.MockPriceFeedFetcher{}
mockFetcher.SetReturnLogs([]types.Log{test_data.EthPriceFeedLog})
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
headerID := int64(11111)
mockRepository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: headerID}})
transformer := price_feeds.PriceFeedTransformer{
Fetcher: mockFetcher,
Converter: mockConverter,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(mockConverter.PassedHeaderID).To(Equal(headerID))
Expect(mockConverter.PassedLogs).To(Equal([]types.Log{test_data.EthPriceFeedLog}))
})
It("returns err if converter returns err", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockConverter.SetConverterErr(fakes.FakeError)
mockFetcher := &price_feeds_mocks.MockPriceFeedFetcher{}
mockFetcher.SetReturnLogs([]types.Log{test_data.EthPriceFeedLog})
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
headerID := int64(11111)
mockRepository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: headerID}})
transformer := price_feeds.PriceFeedTransformer{
Fetcher: mockFetcher,
Converter: mockConverter,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("persists model converted from log", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
headerID := int64(11111)
mockRepository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: headerID}})
mockFetcher := &price_feeds_mocks.MockPriceFeedFetcher{}
mockFetcher.SetReturnLogs([]types.Log{test_data.EthPriceFeedLog})
transformer := price_feeds.PriceFeedTransformer{
Converter: mockConverter,
Fetcher: mockFetcher,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
mockRepository.AssertCreateCalledWith(headerID, []price_feeds.PriceFeedModel{test_data.PriceFeedModel})
})
It("returns error if creating price feed update returns error", func() {
mockConverter := &price_feeds_mocks.MockPriceFeedConverter{}
mockRepository := &price_feeds_mocks.MockPriceFeedRepository{}
mockRepository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: 2}})
mockRepository.SetCreateErr(fakes.FakeError)
mockFetcher := &price_feeds_mocks.MockPriceFeedFetcher{}
mockFetcher.SetReturnLogs([]types.Log{{}})
transformer := price_feeds.PriceFeedTransformer{
Converter: mockConverter,
Fetcher: mockFetcher,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})