90 lines
3.1 KiB
Go
90 lines
3.1 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package history_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/vulcanize/vulcanizedb/pkg/fakes"
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"github.com/vulcanize/vulcanizedb/pkg/history"
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"math/big"
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)
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var _ = Describe("Populating blocks", func() {
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var blockRepository *fakes.MockBlockRepository
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BeforeEach(func() {
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blockRepository = fakes.NewMockBlockRepository()
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})
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It("fills in the only missing block (BlockNumber 1)", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetLastBlock(big.NewInt(2))
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blockRepository.SetMissingBlockNumbersReturnArray([]int64{2})
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blocksAdded, err := history.PopulateMissingBlocks(blockChain, blockRepository, 1)
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Expect(err).NotTo(HaveOccurred())
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_, err = blockRepository.GetBlock(1)
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Expect(blocksAdded).To(Equal(1))
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Expect(err).ToNot(HaveOccurred())
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})
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It("fills in the three missing blocks (Numbers: 5,8,10)", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetLastBlock(big.NewInt(13))
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blockRepository.SetMissingBlockNumbersReturnArray([]int64{5, 8, 10})
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blocksAdded, err := history.PopulateMissingBlocks(blockChain, blockRepository, 5)
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Expect(err).NotTo(HaveOccurred())
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Expect(blocksAdded).To(Equal(3))
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blockRepository.AssertCreateOrUpdateBlocksCallCountAndBlockNumbersEquals(3, []int64{5, 8, 10})
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})
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It("returns the number of blocks created", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetLastBlock(big.NewInt(6))
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blockRepository.SetMissingBlockNumbersReturnArray([]int64{4, 5})
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numberOfBlocksCreated, err := history.PopulateMissingBlocks(blockChain, blockRepository, 3)
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Expect(err).NotTo(HaveOccurred())
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Expect(numberOfBlocksCreated).To(Equal(2))
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})
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It("updates the repository with a range of blocks w/in the range ", func() {
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blockChain := fakes.NewMockBlockChain()
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_, err := history.RetrieveAndUpdateBlocks(blockChain, blockRepository, history.MakeRange(2, 5))
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Expect(err).NotTo(HaveOccurred())
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blockRepository.AssertCreateOrUpdateBlocksCallCountAndBlockNumbersEquals(4, []int64{2, 3, 4, 5})
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})
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It("does not call repository create block when there is an error", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetGetBlockByNumberErr(fakes.FakeError)
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blocks := history.MakeRange(1, 10)
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_, err := history.RetrieveAndUpdateBlocks(blockChain, blockRepository, blocks)
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Expect(err).To(HaveOccurred())
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blockRepository.AssertCreateOrUpdateBlockCallCountEquals(0)
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})
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})
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