ipld-eth-server/pkg/repositories/postgres_test.go

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package repositories_test
import (
"fmt"
"strings"
"github.com/8thlight/vulcanizedb/pkg/config"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/repositories"
"github.com/8thlight/vulcanizedb/pkg/repositories/testing"
"github.com/jmoiron/sqlx"
_ "github.com/lib/pq"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Postgres repository", func() {
It("connects to the database", func() {
cfg, _ := config.NewConfig("private")
pgConfig := config.DbConnectionString(cfg.Database)
db, err := sqlx.Connect("postgres", pgConfig)
Expect(err).Should(BeNil())
Expect(db).ShouldNot(BeNil())
})
testing.AssertRepositoryBehavior(func() repositories.Repository {
cfg, _ := config.NewConfig("private")
repository, _ := repositories.NewPostgres(cfg.Database)
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testing.ClearData(repository)
return repository
})
It("does not commit block if block is invalid", func() {
//badNonce violates db Nonce field length
badNonce := fmt.Sprintf("x %s", strings.Repeat("1", 100))
badBlock := core.Block{
Number: 123,
Nonce: badNonce,
Transactions: []core.Transaction{},
}
cfg, _ := config.NewConfig("private")
repository, _ := repositories.NewPostgres(cfg.Database)
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err := repository.CreateBlock(badBlock)
savedBlock := repository.FindBlockByNumber(123)
Expect(err).ToNot(BeNil())
Expect(savedBlock).To(BeNil())
})
It("throws error when can't connect to the database", func() {
invalidDatabase := config.Database{}
_, err := repositories.NewPostgres(invalidDatabase)
Expect(err).To(Equal(repositories.ErrDBConnectionFailed))
})
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It("does not commit block or transactions if transaction is invalid", func() {
//badHash violates db To field length
badHash := fmt.Sprintf("x %s", strings.Repeat("1", 100))
badTransaction := core.Transaction{To: badHash}
block := core.Block{
Number: 123,
Transactions: []core.Transaction{badTransaction},
}
cfg, _ := config.NewConfig("private")
repository, _ := repositories.NewPostgres(cfg.Database)
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err := repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(err).ToNot(BeNil())
Expect(savedBlock).To(BeNil())
})
})