ipld-eth-server/pkg/history/populate_headers_test.go
Rob Mulholand 72a849a272 Update price feeds if header changed by validator
- currently not validating price feeds if the underlying header already exists
  and is valid, since price feeds should have been added when initial header
  was added
2018-08-16 11:22:16 -05:00

91 lines
3.2 KiB
Go

package history_test
import (
"math/big"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"github.com/vulcanize/vulcanizedb/pkg/history"
"github.com/vulcanize/vulcanizedb/pkg/transformers"
)
var _ = Describe("Populating headers", func() {
var headerRepository *fakes.MockHeaderRepository
BeforeEach(func() {
headerRepository = fakes.NewMockHeaderRepository()
})
It("returns number of headers added", func() {
blockChain := fakes.NewMockBlockChain()
blockChain.SetLastBlock(big.NewInt(2))
headerRepository.SetMissingBlockNumbers([]int64{2})
headersAdded, err := history.PopulateMissingHeaders(blockChain, headerRepository, 1, []transformers.Transformer{})
Expect(err).NotTo(HaveOccurred())
Expect(headersAdded).To(Equal(1))
})
It("adds missing headers to the db", func() {
blockChain := fakes.NewMockBlockChain()
blockChain.SetLastBlock(big.NewInt(2))
headerRepository.SetMissingBlockNumbers([]int64{2})
_, err := history.PopulateMissingHeaders(blockChain, headerRepository, 1, []transformers.Transformer{})
Expect(err).NotTo(HaveOccurred())
headerRepository.AssertCreateOrUpdateHeaderCallCountAndPassedBlockNumbers(1, []int64{2})
})
It("executes passed transformers with created headers", func() {
blockNumber := int64(54321)
blockChain := fakes.NewMockBlockChain()
blockChain.SetLastBlock(big.NewInt(blockNumber))
headerRepository.SetMissingBlockNumbers([]int64{blockNumber})
headerID := int64(12345)
headerRepository.SetCreateOrUpdateHeaderReturnID(headerID)
transformer := fakes.NewMockTransformer()
_, err := history.PopulateMissingHeaders(blockChain, headerRepository, blockNumber, []transformers.Transformer{transformer})
Expect(err).NotTo(HaveOccurred())
transformer.AssertExecuteCalledWith(core.Header{BlockNumber: blockNumber}, headerID)
})
It("does not execute transformer if repository indicates header already exists", func() {
blockNumber := int64(54321)
blockChain := fakes.NewMockBlockChain()
blockChain.SetLastBlock(big.NewInt(blockNumber))
headerRepository.SetMissingBlockNumbers([]int64{blockNumber})
headerRepository.SetCreateOrUpdateHeaderReturnErr(repositories.ErrValidHeaderExists)
transformer := fakes.NewMockTransformer()
_, err := history.PopulateMissingHeaders(blockChain, headerRepository, blockNumber, []transformers.Transformer{transformer})
Expect(err).NotTo(HaveOccurred())
transformer.AssertExecuteNotCalled()
})
It("returns error if executing transformer fails", func() {
blockNumber := int64(54321)
blockChain := fakes.NewMockBlockChain()
blockChain.SetLastBlock(big.NewInt(blockNumber))
headerRepository.SetMissingBlockNumbers([]int64{blockNumber})
headerID := int64(12345)
headerRepository.SetCreateOrUpdateHeaderReturnID(headerID)
transformer := fakes.NewMockTransformer()
transformer.SetExecuteErr(fakes.FakeError)
_, err := history.PopulateMissingHeaders(blockChain, headerRepository, blockNumber, []transformers.Transformer{transformer})
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})