ipld-eth-server/pkg/contract_watcher/header/transformer/transformer_test.go

139 lines
4.4 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 transformer_test
import (
"database/sql"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/header/retriever"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/header/transformer"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/shared/contract"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/shared/helpers/test_helpers/mocks"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/shared/parser"
"github.com/vulcanize/vulcanizedb/pkg/contract_watcher/shared/poller"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
)
var _ = Describe("Transformer", func() {
var fakeAddress = "0x1234567890abcdef"
Describe("Init", func() {
It("Initializes transformer's contract objects", func() {
blockRetriever := &fakes.MockHeaderSyncBlockRetriever{}
firstBlock := int64(1)
blockRetriever.FirstBlock = firstBlock
parsr := &fakes.MockParser{}
fakeAbi := "fake_abi"
parsr.AbiToReturn = fakeAbi
pollr := &fakes.MockPoller{}
fakeContractName := "fake_contract_name"
pollr.ContractName = fakeContractName
t := getFakeTransformer(blockRetriever, parsr, pollr)
err := t.Init()
Expect(err).ToNot(HaveOccurred())
c, ok := t.Contracts[fakeAddress]
Expect(ok).To(Equal(true))
Expect(c.StartingBlock).To(Equal(firstBlock))
Expect(c.Abi).To(Equal(fakeAbi))
Expect(c.Name).To(Equal(fakeContractName))
Expect(c.Address).To(Equal(fakeAddress))
})
It("Fails to initialize if first block cannot be fetched from vDB headers table", func() {
blockRetriever := &fakes.MockHeaderSyncBlockRetriever{}
blockRetriever.FirstBlockErr = fakes.FakeError
t := getFakeTransformer(blockRetriever, &fakes.MockParser{}, &fakes.MockPoller{})
err := t.Init()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(fakes.FakeError.Error()))
})
})
Describe("Execute", func() {
It("Executes contract transformations", func() {
blockRetriever := &fakes.MockHeaderSyncBlockRetriever{}
firstBlock := int64(1)
blockRetriever.FirstBlock = firstBlock
parsr := &fakes.MockParser{}
fakeAbi := "fake_abi"
parsr.AbiToReturn = fakeAbi
pollr := &fakes.MockPoller{}
fakeContractName := "fake_contract_name"
pollr.ContractName = fakeContractName
t := getFakeTransformer(blockRetriever, parsr, pollr)
err := t.Init()
Expect(err).ToNot(HaveOccurred())
c, ok := t.Contracts[fakeAddress]
Expect(ok).To(Equal(true))
Expect(c.StartingBlock).To(Equal(firstBlock))
Expect(c.Abi).To(Equal(fakeAbi))
Expect(c.Name).To(Equal(fakeContractName))
Expect(c.Address).To(Equal(fakeAddress))
})
It("uses first block from config if vDB headers table has no rows", func() {
blockRetriever := &fakes.MockHeaderSyncBlockRetriever{}
blockRetriever.FirstBlockErr = sql.ErrNoRows
t := getFakeTransformer(blockRetriever, &fakes.MockParser{}, &fakes.MockPoller{})
err := t.Init()
Expect(err).ToNot(HaveOccurred())
})
It("returns error if fetching first block fails for other reason", func() {
blockRetriever := &fakes.MockHeaderSyncBlockRetriever{}
blockRetriever.FirstBlockErr = fakes.FakeError
t := getFakeTransformer(blockRetriever, &fakes.MockParser{}, &fakes.MockPoller{})
err := t.Init()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(fakes.FakeError.Error()))
})
})
})
func getFakeTransformer(blockRetriever retriever.BlockRetriever, parsr parser.Parser, pollr poller.Poller) transformer.Transformer {
return transformer.Transformer{
Parser: parsr,
Retriever: blockRetriever,
Poller: pollr,
HeaderRepository: &fakes.MockHeaderSyncHeaderRepository{},
Contracts: map[string]*contract.Contract{},
Config: mocks.MockConfig,
}
}