ipld-eth-server/integration_test/geth_blockchain_test.go

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package integration_test
import (
"io/ioutil"
"log"
2017-11-06 18:53:43 +00:00
"github.com/8thlight/vulcanizedb/pkg/blockchain_listener"
"github.com/8thlight/vulcanizedb/pkg/config"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/fakes"
"github.com/8thlight/vulcanizedb/pkg/geth"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func init() {
log.SetOutput(ioutil.Discard)
}
var _ = Describe("Reading from the Geth blockchain", func() {
var listener blockchain_listener.BlockchainListener
var observer *fakes.BlockchainObserver
var blockchain *geth.GethBlockchain
BeforeEach(func() {
observer = fakes.NewFakeBlockchainObserver()
cfg, _ := config.NewConfig("private")
blockchain = geth.NewGethBlockchain(cfg.Client.IPCPath)
observers := []core.BlockchainObserver{observer}
listener = blockchain_listener.NewBlockchainListener(blockchain, observers)
})
AfterEach(func() {
listener.Stop()
})
It("reads two blocks", func(done Done) {
go listener.Start()
<-observer.WasNotified
firstBlock := observer.LastBlock()
Expect(firstBlock).NotTo(BeNil())
<-observer.WasNotified
secondBlock := observer.LastBlock()
Expect(secondBlock).NotTo(BeNil())
Expect(firstBlock.Number + 1).Should(Equal(secondBlock.Number))
close(done)
}, 15)
It("retrieves the genesis block and first block", func(done Done) {
genesisBlock := blockchain.GetBlockByNumber(int64(0))
firstBlock := blockchain.GetBlockByNumber(int64(1))
Expect(genesisBlock.Number).To(Equal(int64(0)))
Expect(firstBlock.Number).To(Equal(int64(1)))
close(done)
}, 15)
It("retrieves the node info", func(done Done) {
node := blockchain.Node()
devNetworkGenesisBlock := "0xe5be92145a301820111f91866566e3e99ee344d155569e4556a39bc71238f3bc"
devNetworkNodeId := float64(1)
Expect(node.GenesisBlock).To(Equal(devNetworkGenesisBlock))
Expect(node.NetworkId).To(Equal(devNetworkNodeId))
close(done)
}, 15)
})