107 lines
3.3 KiB
Go
107 lines
3.3 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 ipfsethdb_test
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import (
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"math/big"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ipfs/boxo/blockservice"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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ipfsethdb "github.com/cerc-io/ipfs-ethdb/v5"
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)
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var (
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database ethdb.Database
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blockService blockservice.BlockService
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err error
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testHeader = types.Header{Number: big.NewInt(1337)}
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testValue, _ = rlp.EncodeToBytes(testHeader)
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testEthKey = testHeader.Hash().Bytes()
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)
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var _ = Describe("Database", func() {
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BeforeEach(func() {
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blockService = ipfsethdb.NewMockBlockservice()
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database = ipfsethdb.NewDatabase(blockService)
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})
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Describe("Has", func() {
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It("returns false if a key-pair doesn't exist in the db", func() {
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has, err := database.Has(testEthKey)
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Expect(err).ToNot(HaveOccurred())
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Expect(has).ToNot(BeTrue())
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})
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It("returns true if a key-pair exists in the db", func() {
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err := database.Put(testEthKey, testValue)
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Expect(err).ToNot(HaveOccurred())
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has, err := database.Has(testEthKey)
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Expect(err).ToNot(HaveOccurred())
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Expect(has).To(BeTrue())
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})
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})
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Describe("Get", func() {
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It("throws an err if the key-pair doesn't exist in the db", func() {
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_, err = database.Get(testEthKey)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("block not found"))
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})
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It("returns the value associated with the key, if the pair exists", func() {
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err := database.Put(testEthKey, testValue)
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Expect(err).ToNot(HaveOccurred())
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val, err := database.Get(testEthKey)
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Expect(err).ToNot(HaveOccurred())
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Expect(val).To(Equal(testValue))
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})
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})
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Describe("Put", func() {
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It("persists the key-value pair in the database", func() {
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_, err = database.Get(testEthKey)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("block not found"))
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err = database.Put(testEthKey, testValue)
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Expect(err).ToNot(HaveOccurred())
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val, err := database.Get(testEthKey)
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Expect(err).ToNot(HaveOccurred())
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Expect(val).To(Equal(testValue))
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})
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})
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Describe("Delete", func() {
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It("removes the key-value pair from the database", func() {
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err = database.Put(testEthKey, testValue)
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Expect(err).ToNot(HaveOccurred())
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val, err := database.Get(testEthKey)
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Expect(err).ToNot(HaveOccurred())
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Expect(val).To(Equal(testValue))
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err = database.Delete(testEthKey)
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Expect(err).ToNot(HaveOccurred())
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_, err = database.Get(testEthKey)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("block not found"))
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})
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})
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})
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