forked from cerc-io/ipld-eth-server
73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package core_test
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import (
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"math/big"
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"fmt"
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"github.com/8thlight/vulcanizedb/core"
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"github.com/jmoiron/sqlx"
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_ "github.com/lib/pq"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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const (
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host = "localhost"
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port = 5432
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user = "postgres"
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password = "postgres"
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dbname = "vulcanize"
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)
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var _ = Describe("Saving blocks to the database", func() {
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var db *sqlx.DB
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var err error
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BeforeEach(func() {
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pgConfig := fmt.Sprintf(
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"host=%s port=%d user=%s password=%s dbname=%s sslmode=disable",
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host, port, user, password, dbname)
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db, err = sqlx.Connect("postgres", pgConfig)
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db.MustExec("DELETE FROM blocks")
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})
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It("implements the observer interface", func() {
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var observer core.BlockchainObserver = core.BlockchainDBObserver{Db: db}
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Expect(observer).NotTo(BeNil())
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})
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It("connects to the database", func() {
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Expect(err).Should(BeNil())
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Expect(db).ShouldNot(BeNil())
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})
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It("starts with no blocks", func() {
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var count int
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queryError := db.Get(&count, "SELECT COUNT(*) FROM blocks")
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Expect(queryError).Should(BeNil())
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Expect(count).Should(Equal(0))
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})
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It("inserts a block", func() {
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block := core.Block{Number: big.NewInt(1)}
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observer := core.BlockchainDBObserver{Db: db}
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observer.NotifyBlockAdded(block)
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rows, err := db.Queryx("SELECT * FROM blocks")
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Expect(err).To(BeNil())
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var savedBlocks []core.BlockRecord
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for rows.Next() {
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var savedBlock core.BlockRecord
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rows.StructScan(&savedBlock)
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savedBlocks = append(savedBlocks, savedBlock)
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}
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Expect(len(savedBlocks)).To(Equal(1))
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Expect(savedBlocks[0].BlockNumber).To(Equal(int64(1)))
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})
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})
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