79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
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// VulcanizeDB
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// Copyright © 2018 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 retriever_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/datastore/postgres"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
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"github.com/vulcanize/vulcanizedb/pkg/omni/light/retriever"
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"github.com/vulcanize/vulcanizedb/pkg/omni/shared/helpers/test_helpers"
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)
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var _ = Describe("Block Retriever", func() {
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var db *postgres.DB
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var r retriever.BlockRetriever
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var headerRepository repositories.HeaderRepository
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BeforeEach(func() {
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db, _ = test_helpers.SetupDBandBC()
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headerRepository = repositories.NewHeaderRepository(db)
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r = retriever.NewBlockRetriever(db)
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})
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AfterEach(func() {
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test_helpers.TearDown(db)
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})
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Describe("RetrieveFirstBlock", func() {
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It("Retrieves block number of earliest header in the database", func() {
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headerRepository.CreateOrUpdateHeader(test_helpers.MockHeader1)
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headerRepository.CreateOrUpdateHeader(test_helpers.MockHeader2)
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headerRepository.CreateOrUpdateHeader(test_helpers.MockHeader3)
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i, err := r.RetrieveFirstBlock()
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Expect(err).NotTo(HaveOccurred())
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Expect(i).To(Equal(int64(6194632)))
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})
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It("Fails if no headers can be found in the database", func() {
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_, err := r.RetrieveFirstBlock()
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Expect(err).To(HaveOccurred())
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})
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})
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Describe("RetrieveMostRecentBlock", func() {
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It("Retrieves the latest header's block number", func() {
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headerRepository.CreateOrUpdateHeader(test_helpers.MockHeader1)
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headerRepository.CreateOrUpdateHeader(test_helpers.MockHeader2)
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headerRepository.CreateOrUpdateHeader(test_helpers.MockHeader3)
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i, err := r.RetrieveMostRecentBlock()
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Expect(err).ToNot(HaveOccurred())
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Expect(i).To(Equal(int64(6194634)))
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})
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It("Fails if no headers can be found in the database", func() {
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i, err := r.RetrieveMostRecentBlock()
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Expect(err).To(HaveOccurred())
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Expect(i).To(Equal(int64(0)))
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})
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})
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})
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