67 lines
2.4 KiB
Go
67 lines
2.4 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 utils_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/libraries/shared/storage/utils"
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)
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var _ = Describe("GetBlockHeightBins", func() {
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It("splits a block range up into bins", func() {
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var startingBlock uint64 = 1
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var endingBlock uint64 = 10101
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var batchSize uint64 = 100
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blockRangeBins, err := utils.GetBlockHeightBins(startingBlock, endingBlock, batchSize)
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Expect(err).ToNot(HaveOccurred())
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Expect(len(blockRangeBins)).To(Equal(102))
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Expect(blockRangeBins[101]).To(Equal([]uint64{10101}))
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startingBlock = 101
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endingBlock = 10100
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batchSize = 100
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lastBin := make([]uint64, 0)
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for i := 10001; i <= 10100; i++ {
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lastBin = append(lastBin, uint64(i))
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}
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blockRangeBins, err = utils.GetBlockHeightBins(startingBlock, endingBlock, batchSize)
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Expect(err).ToNot(HaveOccurred())
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Expect(len(blockRangeBins)).To(Equal(100))
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Expect(blockRangeBins[99]).To(Equal(lastBin))
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})
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It("throws an error if the starting block is higher than the ending block", func() {
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var startingBlock uint64 = 10102
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var endingBlock uint64 = 10101
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var batchSize uint64 = 100
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_, err := utils.GetBlockHeightBins(startingBlock, endingBlock, batchSize)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("ending block number needs to be greater than starting block number"))
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})
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It("throws an error if the batch size is zero", func() {
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var startingBlock uint64 = 1
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var endingBlock uint64 = 10101
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var batchSize uint64 = 0
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_, err := utils.GetBlockHeightBins(startingBlock, endingBlock, batchSize)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("batchsize needs to be greater than zero"))
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})
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})
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