forked from cerc-io/ipfs-ethdb
121 lines
3.7 KiB
Go
121 lines
3.7 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 pgipfsethdb_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/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/pg-ipfs-ethdb"
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"github.com/vulcanize/pg-ipfs-ethdb/postgres"
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)
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var (
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batch ethdb.Batch
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testHeader2 = types.Header{Number: big.NewInt(2)}
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testValue2, _ = rlp.EncodeToBytes(testHeader2)
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testEthKey2 = testHeader2.Hash().Bytes()
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)
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var _ = Describe("Batch", func() {
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BeforeEach(func() {
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db, err = ipfsethdb.TestDB()
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Expect(err).ToNot(HaveOccurred())
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database = pgipfsethdb.NewDatabase(db)
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batch = database.NewBatch()
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})
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AfterEach(func() {
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err = ipfsethdb.ResetTestDB(db)
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Expect(err).ToNot(HaveOccurred())
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})
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Describe("Put/Write", func() {
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It("adds the key-value pair to the batch", 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("sql: no rows in result set"))
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_, err = database.Get(testEthKey2)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
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err = batch.Put(testEthKey, testValue)
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Expect(err).ToNot(HaveOccurred())
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err = batch.Put(testEthKey2, testValue2)
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Expect(err).ToNot(HaveOccurred())
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err = batch.Write()
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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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val2, err := database.Get(testEthKey2)
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Expect(err).ToNot(HaveOccurred())
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Expect(val2).To(Equal(testValue2))
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})
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})
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Describe("Delete/Reset/Write", func() {
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It("deletes the key-value pair in the batch", func() {
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_, err = db.Exec("INSERT into public.blocks (key, data) VALUES ($1, $2)", testMhKey, testValue)
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err = batch.Put(testEthKey, testValue)
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Expect(err).ToNot(HaveOccurred())
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err = batch.Put(testEthKey2, testValue2)
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Expect(err).ToNot(HaveOccurred())
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err = batch.Write()
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Expect(err).ToNot(HaveOccurred())
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batch.Reset()
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err = batch.Delete(testEthKey)
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Expect(err).ToNot(HaveOccurred())
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err = batch.Delete(testEthKey2)
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Expect(err).ToNot(HaveOccurred())
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err = batch.Write()
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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("sql: no rows in result set"))
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_, err = database.Get(testEthKey2)
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Expect(err).To(HaveOccurred())
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Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
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})
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})
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Describe("ValueSize/Reset", func() {
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It("returns the size of data in the batch queued for write", func() {
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err = batch.Put(testEthKey, testValue)
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Expect(err).ToNot(HaveOccurred())
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err = batch.Put(testEthKey2, testValue2)
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Expect(err).ToNot(HaveOccurred())
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err = batch.Write()
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Expect(err).ToNot(HaveOccurred())
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size := batch.ValueSize()
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Expect(size).To(Equal(len(testValue) + len(testValue2)))
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batch.Reset()
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size = batch.ValueSize()
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Expect(size).To(Equal(0))
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})
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})
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})
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