ipld-eth-server/examples/erc20_watcher/every_block/integration_test.go
Rob Mulholand ba071ef13f Consolidate test doubles
- Migrate various mocks of core namespaces to shared version in `fakes` pkg
- Err on the side of making test doubles less sophisticated
- Don't pull over mocks of namespaces that are only used in example code
2018-11-03 13:49:23 -05:00

79 lines
2.9 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 every_block_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/examples/constants"
"github.com/vulcanize/vulcanizedb/examples/erc20_watcher"
"github.com/vulcanize/vulcanizedb/examples/erc20_watcher/every_block"
"github.com/vulcanize/vulcanizedb/examples/test_helpers"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"math/big"
"strconv"
)
func setLastBlockOnChain(blockChain *fakes.MockBlockChain, blockNumber int64) {
blockNumberString := strconv.FormatInt(blockNumber, 10)
lastBlockOnChain := big.Int{}
lastBlockOnChain.SetString(blockNumberString, 10)
blockChain.SetLastBlock(&lastBlockOnChain)
}
var _ = Describe("Everyblock transformers", func() {
var db *postgres.DB
var blockChain *fakes.MockBlockChain
var blockNumber int64
var blockId int64
var err error
BeforeEach(func() {
blockChain = fakes.NewMockBlockChain()
blockNumber = erc20_watcher.DaiConfig.FirstBlock
lastBlockNumber := blockNumber + 1
db = test_helpers.CreateNewDatabase()
setLastBlockOnChain(blockChain, lastBlockNumber)
blockRepository := repositories.NewBlockRepository(db)
blockId, err = blockRepository.CreateOrUpdateBlock(core.Block{Number: blockNumber})
Expect(err).NotTo(HaveOccurred())
_, err = blockRepository.CreateOrUpdateBlock(core.Block{Number: lastBlockNumber})
Expect(err).NotTo(HaveOccurred())
})
It("creates a token_supply record for each block in the given range", func() {
initializer := every_block.TokenSupplyTransformerInitializer{Config: erc20_watcher.DaiConfig}
transformer := initializer.NewTokenSupplyTransformer(db, blockChain)
transformer.Execute()
var tokenSupplyCount int
err := db.QueryRow(`SELECT COUNT(*) FROM token_supply where block_id = $1`, blockId).Scan(&tokenSupplyCount)
Expect(err).ToNot(HaveOccurred())
Expect(tokenSupplyCount).To(Equal(1))
var tokenSupply test_helpers.TokenSupplyDBRow
err = db.Get(&tokenSupply, `SELECT * from token_supply where block_id = $1`, blockId)
Expect(err).ToNot(HaveOccurred())
Expect(tokenSupply.BlockID).To(Equal(blockId))
Expect(tokenSupply.TokenAddress).To(Equal(constants.DaiContractAddress))
Expect(tokenSupply.Supply).To(Equal(int64(0)))
})
})