ipld-eth-server/pkg/history/header_validator_test.go

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// 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 history_test
import (
"errors"
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"math/big"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
"github.com/vulcanize/vulcanizedb/pkg/history"
)
var _ = Describe("Header validator", func() {
var (
headerRepository *fakes.MockHeaderRepository
blockChain *fakes.MockBlockChain
)
BeforeEach(func() {
headerRepository = fakes.NewMockHeaderRepository()
blockChain = fakes.NewMockBlockChain()
})
It("attempts to create every header in the validation window", func() {
headerRepository.SetMissingBlockNumbers([]int64{})
blockChain.SetLastBlock(big.NewInt(3))
validator := history.NewHeaderValidator(blockChain, headerRepository, 2)
_, err := validator.ValidateHeaders()
Expect(err).NotTo(HaveOccurred())
headerRepository.AssertCreateOrUpdateHeaderCallCountAndPassedBlockNumbers(3, []int64{1, 2, 3})
})
It("propagates header repository errors", func() {
blockChain.SetLastBlock(big.NewInt(3))
headerRepositoryError := errors.New("CreateOrUpdate")
headerRepository.SetCreateOrUpdateHeaderReturnErr(headerRepositoryError)
validator := history.NewHeaderValidator(blockChain, headerRepository, 2)
_, err := validator.ValidateHeaders()
Expect(err).To(MatchError(headerRepositoryError))
})
})