ipld-eth-server/pkg/eth/history/populate_headers_test.go

68 lines
2.1 KiB
Go

// VulcanizeDB
// Copyright © 2019 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package history_test
import (
"math/big"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/eth/fakes"
"github.com/vulcanize/vulcanizedb/pkg/eth/history"
)
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)
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)
Expect(err).NotTo(HaveOccurred())
headerRepository.AssertCreateOrUpdateHeaderCallCountAndPassedBlockNumbers(1, []int64{2})
})
It("returns early if the db is already synced up to the head of the chain", func() {
blockChain := fakes.NewMockBlockChain()
blockChain.SetLastBlock(big.NewInt(2))
headersAdded, err := history.PopulateMissingHeaders(blockChain, headerRepository, 2)
Expect(err).NotTo(HaveOccurred())
Expect(headersAdded).To(Equal(0))
})
})