forked from cerc-io/ipld-eth-server
77 lines
2.7 KiB
Go
77 lines
2.7 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 fetcher_test
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import (
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"bytes"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/statediff"
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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/fetcher"
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"github.com/vulcanize/vulcanizedb/libraries/shared/mocks"
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"github.com/vulcanize/vulcanizedb/libraries/shared/test_data"
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)
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var _ = Describe("StateDiffFetcher", func() {
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Describe("FetchStateDiffsAt", func() {
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var (
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mc *mocks.BackFillerClient
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stateDiffFetcher fetcher.StateDiffFetcher
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)
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BeforeEach(func() {
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mc = new(mocks.BackFillerClient)
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setDiffAtErr1 := mc.SetReturnDiffAt(test_data.BlockNumber.Uint64(), test_data.MockStatediffPayload)
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Expect(setDiffAtErr1).ToNot(HaveOccurred())
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setDiffAtErr2 := mc.SetReturnDiffAt(test_data.BlockNumber2.Uint64(), test_data.MockStatediffPayload2)
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Expect(setDiffAtErr2).ToNot(HaveOccurred())
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stateDiffFetcher = fetcher.NewStateDiffFetcher(mc)
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})
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It("Batch calls statediff_stateDiffAt", func() {
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blockHeights := []uint64{
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test_data.BlockNumber.Uint64(),
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test_data.BlockNumber2.Uint64(),
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}
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stateDiffPayloads, fetchErr := stateDiffFetcher.FetchStateDiffsAt(blockHeights)
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Expect(fetchErr).ToNot(HaveOccurred())
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Expect(len(stateDiffPayloads)).To(Equal(2))
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// Can only rlp encode the slice of diffs as part of a struct
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// Rlp encoding allows us to compare content of the slices when the order in the slice may vary
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expectedPayloadsStruct := struct {
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payloads []*statediff.Payload
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}{
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[]*statediff.Payload{
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&test_data.MockStatediffPayload,
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&test_data.MockStatediffPayload2,
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},
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}
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expectedPayloadsBytes, rlpErr1 := rlp.EncodeToBytes(expectedPayloadsStruct)
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Expect(rlpErr1).ToNot(HaveOccurred())
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receivedPayloadsStruct := struct {
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payloads []*statediff.Payload
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}{
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stateDiffPayloads,
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}
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receivedPayloadsBytes, rlpErr2 := rlp.EncodeToBytes(receivedPayloadsStruct)
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Expect(rlpErr2).ToNot(HaveOccurred())
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Expect(bytes.Equal(expectedPayloadsBytes, receivedPayloadsBytes)).To(BeTrue())
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})
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})
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})
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