53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
package integration_test
|
|
|
|
import (
|
|
"fmt"
|
|
"math/big"
|
|
"path"
|
|
"path/filepath"
|
|
"runtime"
|
|
|
|
"github.com/8thlight/vulcanizedb/core"
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
)
|
|
|
|
var (
|
|
_, filename, _, _ = runtime.Caller(0)
|
|
basepath = filepath.Dir(filename)
|
|
)
|
|
|
|
func RunTimePath() string {
|
|
return path.Join(path.Dir(filename), "../")
|
|
}
|
|
|
|
type ObserverWithChannel struct {
|
|
blocks chan core.Block
|
|
}
|
|
|
|
func (observer *ObserverWithChannel) NotifyBlockAdded(block core.Block) {
|
|
fmt.Println("Block: ", block.Number)
|
|
observer.blocks <- block
|
|
}
|
|
|
|
var _ = Describe("Reading from the Geth blockchain", func() {
|
|
|
|
It("reads two blocks with incrementing numbers", func(done Done) {
|
|
addedBlock := make(chan core.Block, 10)
|
|
observer := &ObserverWithChannel{addedBlock}
|
|
|
|
var blockchain core.Blockchain = core.NewGethBlockchain(RunTimePath() + "/test_data_dir/geth.ipc")
|
|
blockchain.RegisterObserver(observer)
|
|
|
|
go blockchain.SubscribeToEvents()
|
|
|
|
firstBlock := <-addedBlock
|
|
Expect(firstBlock).ShouldNot(BeNil())
|
|
secondBlock := <-addedBlock
|
|
Expect(firstBlock.Number.Add(firstBlock.Number, big.NewInt(1))).Should(Equal(secondBlock.Number))
|
|
|
|
close(done)
|
|
}, 10)
|
|
|
|
})
|