ipld-eth-server/pkg/contract_watcher/header/retriever/block_retriever_test.go
2019-05-01 12:12:55 -05:00

80 lines
2.6 KiB
Go

// VulcanizeDB
// Copyright © 2019 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package retriever_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/header/retriever"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/shared/helpers/test_helpers"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/shared/helpers/test_helpers/mocks"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
)
var _ = Describe("Block Retriever", func() {
var db *postgres.DB
var r retriever.BlockRetriever
var headerRepository repositories.HeaderRepository
BeforeEach(func() {
db, _ = test_helpers.SetupDBandBC()
headerRepository = repositories.NewHeaderRepository(db)
r = retriever.NewBlockRetriever(db)
})
AfterEach(func() {
test_helpers.TearDown(db)
})
Describe("RetrieveFirstBlock", func() {
It("Retrieves block number of earliest header in the database", func() {
headerRepository.CreateOrUpdateHeader(mocks.MockHeader1)
headerRepository.CreateOrUpdateHeader(mocks.MockHeader2)
headerRepository.CreateOrUpdateHeader(mocks.MockHeader3)
i, err := r.RetrieveFirstBlock()
Expect(err).NotTo(HaveOccurred())
Expect(i).To(Equal(int64(6194632)))
})
It("Fails if no headers can be found in the database", func() {
_, err := r.RetrieveFirstBlock()
Expect(err).To(HaveOccurred())
})
})
Describe("RetrieveMostRecentBlock", func() {
It("Retrieves the latest header's block number", func() {
headerRepository.CreateOrUpdateHeader(mocks.MockHeader1)
headerRepository.CreateOrUpdateHeader(mocks.MockHeader2)
headerRepository.CreateOrUpdateHeader(mocks.MockHeader3)
i, err := r.RetrieveMostRecentBlock()
Expect(err).ToNot(HaveOccurred())
Expect(i).To(Equal(int64(6194634)))
})
It("Fails if no headers can be found in the database", func() {
i, err := r.RetrieveMostRecentBlock()
Expect(err).To(HaveOccurred())
Expect(i).To(Equal(int64(0)))
})
})
})