ipld-eth-server/pkg/transformers/shared/log_fetcher_test.go
2018-12-10 21:12:55 +01:00

76 lines
2.3 KiB
Go

// Copyright 2018 Vulcanize
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package shared_test
import (
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
var _ = Describe("Fetcher", func() {
Describe("Iinitialisation", func() {
It("creates correct lookup maps", func() {
})
})
Describe("FetchLogs", func() {
// TODO Add tests for aggregate fetching
It("fetches logs based on the given query", func() {
blockChain := fakes.NewMockBlockChain()
fetcher := shared.NewFetcher(blockChain)
header := fakes.FakeHeader
addresses := []common.Address{
common.HexToAddress("0xfakeAddress"),
common.HexToAddress("0xanotherFakeAddress"),
}
topicZeros := []common.Hash{common.BytesToHash([]byte{1, 2, 3, 4, 5})}
_, err := fetcher.FetchLogs(addresses, topicZeros, header)
address1 := common.HexToAddress("0xfakeAddress")
address2 := common.HexToAddress("0xanotherFakeAddress")
Expect(err).NotTo(HaveOccurred())
blockHash := common.HexToHash(header.Hash)
expectedQuery := ethereum.FilterQuery{
BlockHash: &blockHash,
Addresses: []common.Address{address1, address2},
Topics: [][]common.Hash{topicZeros},
}
blockChain.AssertGetEthLogsWithCustomQueryCalledWith(expectedQuery)
})
It("returns an error if fetching the logs fails", func() {
blockChain := fakes.NewMockBlockChain()
blockChain.SetGetEthLogsWithCustomQueryErr(fakes.FakeError)
fetcher := shared.NewFetcher(blockChain)
_, err := fetcher.FetchLogs([]common.Address{}, []common.Hash{}, core.Header{})
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})
})