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Merge pull request #57 from 8thlight/refactor-specs

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Remove duplication in repository specs
This commit is contained in:
ericmeyer 2017-11-06 14:17:31 -06:00 committed by GitHub
commit d3946e27d8
4 changed files with 164 additions and 300 deletions
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141
pkg/repositories/in_memory_test.go
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@ -1,141 +0,0 @@
package repositories_test
import (
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/repositories"
_ "github.com/lib/pq"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("The In Memory Repository", func() {
Describe("Saving blocks", func() {
It("starts with no blocks", func() {
count := buildRepository().BlockCount()
Expect(count).Should(Equal(0))
})
It("increments the block count", func() {
block := core.Block{Number: 123}
repository := buildRepository()
repository.CreateBlock(block)
Expect(repository.BlockCount()).To(Equal(1))
})
It("saves the attributes of the block", func() {
blockNumber := int64(123)
gasLimit := int64(1000000)
gasUsed := int64(10)
blockHash := "x123"
blockParentHash := "x456"
blockNonce := "0x881db2ca900682e9a9"
blockTime := int64(1508981640)
uncleHash := "x789"
blockSize := int64(1000)
difficulty := int64(10)
block := core.Block{
Difficulty: difficulty,
GasLimit: gasLimit,
GasUsed: gasUsed,
Hash: blockHash,
Nonce: blockNonce,
Number: blockNumber,
ParentHash: blockParentHash,
Size: blockSize,
Time: blockTime,
UncleHash: uncleHash,
}
repository := buildRepository()
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(blockNumber)
Expect(savedBlock.Difficulty).To(Equal(difficulty))
Expect(savedBlock.GasLimit).To(Equal(gasLimit))
Expect(savedBlock.GasUsed).To(Equal(gasUsed))
Expect(savedBlock.Hash).To(Equal(blockHash))
Expect(savedBlock.Nonce).To(Equal(blockNonce))
Expect(savedBlock.Number).To(Equal(blockNumber))
Expect(savedBlock.ParentHash).To(Equal(blockParentHash))
Expect(savedBlock.Size).To(Equal(blockSize))
Expect(savedBlock.Time).To(Equal(blockTime))
Expect(savedBlock.UncleHash).To(Equal(uncleHash))
})
It("does not find a block when searching for a number that does not exist", func() {
repository := buildRepository()
savedBlock := repository.FindBlockByNumber(111)
Expect(savedBlock).To(BeNil())
})
It("saves one transaction associated to the block", func() {
block := core.Block{
Number: 123,
Transactions: []core.Transaction{{}},
}
repository := buildRepository()
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(1))
})
It("saves two transactions associated to the block", func() {
block := core.Block{
Number: 123,
Transactions: []core.Transaction{{}, {}},
}
repository := buildRepository()
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(2))
})
It("saves the attributes associated to a transaction", func() {
gasLimit := int64(5000)
gasPrice := int64(3)
nonce := uint64(10000)
to := "1234567890"
value := int64(10)
transaction := core.Transaction{
Hash: "x1234",
GasPrice: gasPrice,
GasLimit: gasLimit,
Nonce: nonce,
To: to,
Value: value,
}
block := core.Block{
Number: 123,
Transactions: []core.Transaction{transaction},
}
repository := buildRepository()
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(1))
savedTransaction := savedBlock.Transactions[0]
Expect(savedTransaction.Hash).To(Equal(transaction.Hash))
Expect(savedTransaction.To).To(Equal(to))
Expect(savedTransaction.Nonce).To(Equal(nonce))
Expect(savedTransaction.GasLimit).To(Equal(gasLimit))
Expect(savedTransaction.GasPrice).To(Equal(gasPrice))
Expect(savedTransaction.Value).To(Equal(value))
})
})
})
func buildRepository() *repositories.InMemory {
return repositories.NewInMemory()
}

159
pkg/repositories/postgres_test.go
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@ -1,159 +0,0 @@
package repositories_test
import (
"github.com/8thlight/vulcanizedb/pkg/config"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/repositories"
"github.com/jmoiron/sqlx"
_ "github.com/lib/pq"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("The Postgres Repository", func() {
var db *sqlx.DB
var err error
BeforeEach(func() {
pgConfig := config.DbConnectionString(config.NewConfig("private").Database)
db, err = sqlx.Connect("postgres", pgConfig)
db.MustExec("DELETE FROM transactions")
db.MustExec("DELETE FROM blocks")
})
AfterEach(func() {
db.Close()
})
It("connects to the database", func() {
Expect(err).Should(BeNil())
Expect(db).ShouldNot(BeNil())
})
Describe("Saving blocks", func() {
It("starts with no blocks", func() {
count := repositories.NewPostgres(db).BlockCount()
Expect(count).Should(Equal(0))
})
It("increments the block count", func() {
block := core.Block{Number: 123}
repository := repositories.NewPostgres(db)
repository.CreateBlock(block)
Expect(repository.BlockCount()).To(Equal(1))
})
It("saves the attributes of the block", func() {
blockNumber := int64(123)
gasLimit := int64(1000000)
gasUsed := int64(10)
blockHash := "x123"
blockParentHash := "x456"
blockNonce := "0x881db2ca900682e9a9"
blockTime := int64(1508981640)
uncleHash := "x789"
blockSize := int64(1000)
difficulty := int64(10)
block := core.Block{
Difficulty: difficulty,
GasLimit: gasLimit,
GasUsed: gasUsed,
Hash: blockHash,
Nonce: blockNonce,
Number: blockNumber,
ParentHash: blockParentHash,
Size: blockSize,
Time: blockTime,
UncleHash: uncleHash,
}
repository := repositories.NewPostgres(db)
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(blockNumber)
Expect(savedBlock.Difficulty).To(Equal(difficulty))
Expect(savedBlock.GasLimit).To(Equal(gasLimit))
Expect(savedBlock.GasUsed).To(Equal(gasUsed))
Expect(savedBlock.Hash).To(Equal(blockHash))
Expect(savedBlock.Nonce).To(Equal(blockNonce))
Expect(savedBlock.Number).To(Equal(blockNumber))
Expect(savedBlock.ParentHash).To(Equal(blockParentHash))
Expect(savedBlock.Size).To(Equal(blockSize))
Expect(savedBlock.Time).To(Equal(blockTime))
Expect(savedBlock.UncleHash).To(Equal(uncleHash))
})
It("does not find a block when searching for a number that does not exist", func() {
repository := repositories.NewPostgres(db)
savedBlock := repository.FindBlockByNumber(111)
Expect(savedBlock).To(BeNil())
})
It("saves one transaction associated to the block", func() {
block := core.Block{
Number: 123,
Transactions: []core.Transaction{{}},
}
repository := repositories.NewPostgres(db)
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(1))
})
It("saves two transactions associated to the block", func() {
block := core.Block{
Number: 123,
Transactions: []core.Transaction{{}, {}},
}
repository := repositories.NewPostgres(db)
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(2))
})
It("saves the attributes associated to a transaction", func() {
gasLimit := int64(5000)
gasPrice := int64(3)
nonce := uint64(10000)
to := "1234567890"
value := int64(10)
transaction := core.Transaction{
Hash: "x1234",
GasPrice: gasPrice,
GasLimit: gasLimit,
Nonce: nonce,
To: to,
Value: value,
}
block := core.Block{
Number: 123,
Transactions: []core.Transaction{transaction},
}
repository := repositories.NewPostgres(db)
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(1))
savedTransaction := savedBlock.Transactions[0]
Expect(savedTransaction.Hash).To(Equal(transaction.Hash))
Expect(savedTransaction.To).To(Equal(to))
Expect(savedTransaction.Nonce).To(Equal(nonce))
Expect(savedTransaction.GasLimit).To(Equal(gasLimit))
Expect(savedTransaction.GasPrice).To(Equal(gasPrice))
Expect(savedTransaction.Value).To(Equal(value))
})
})
})

2
pkg/repositories/repository.go
View File

@ -4,4 +4,6 @@ import "github.com/8thlight/vulcanizedb/pkg/core"
type Repository interface {
CreateBlock(block core.Block)
BlockCount() int
FindBlockByNumber(blockNumber int64) *core.Block
}

162
pkg/repositories/repository_test.go Normal file
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@ -0,0 +1,162 @@
package repositories_test
import (
"github.com/8thlight/vulcanizedb/pkg/config"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/repositories"
"github.com/jmoiron/sqlx"
_ "github.com/lib/pq"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Repositories", func() {
AssertRepositoryBehavior := func(buildRepository func() repositories.Repository) {
var repository repositories.Repository
BeforeEach(func() {
repository = buildRepository()
})
Describe("Saving blocks", func() {
It("starts with no blocks", func() {
count := repository.BlockCount()
Expect(count).Should(Equal(0))
})
It("increments the block count", func() {
block := core.Block{Number: 123}
repository.CreateBlock(block)
Expect(repository.BlockCount()).To(Equal(1))
})
It("saves the attributes of the block", func() {
blockNumber := int64(123)
gasLimit := int64(1000000)
gasUsed := int64(10)
blockHash := "x123"
blockParentHash := "x456"
blockNonce := "0x881db2ca900682e9a9"
blockTime := int64(1508981640)
uncleHash := "x789"
blockSize := int64(1000)
difficulty := int64(10)
block := core.Block{
Difficulty: difficulty,
GasLimit: gasLimit,
GasUsed: gasUsed,
Hash: blockHash,
Nonce: blockNonce,
Number: blockNumber,
ParentHash: blockParentHash,
Size: blockSize,
Time: blockTime,
UncleHash: uncleHash,
}
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(blockNumber)
Expect(savedBlock.Difficulty).To(Equal(difficulty))
Expect(savedBlock.GasLimit).To(Equal(gasLimit))
Expect(savedBlock.GasUsed).To(Equal(gasUsed))
Expect(savedBlock.Hash).To(Equal(blockHash))
Expect(savedBlock.Nonce).To(Equal(blockNonce))
Expect(savedBlock.Number).To(Equal(blockNumber))
Expect(savedBlock.ParentHash).To(Equal(blockParentHash))
Expect(savedBlock.Size).To(Equal(blockSize))
Expect(savedBlock.Time).To(Equal(blockTime))
Expect(savedBlock.UncleHash).To(Equal(uncleHash))
})
It("does not find a block when searching for a number that does not exist", func() {
savedBlock := repository.FindBlockByNumber(111)
Expect(savedBlock).To(BeNil())
})
It("saves one transaction associated to the block", func() {
block := core.Block{
Number: 123,
Transactions: []core.Transaction{{}},
}
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(1))
})
It("saves two transactions associated to the block", func() {
block := core.Block{
Number: 123,
Transactions: []core.Transaction{{}, {}},
}
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(2))
})
It("saves the attributes associated to a transaction", func() {
gasLimit := int64(5000)
gasPrice := int64(3)
nonce := uint64(10000)
to := "1234567890"
value := int64(10)
transaction := core.Transaction{
Hash: "x1234",
GasPrice: gasPrice,
GasLimit: gasLimit,
Nonce: nonce,
To: to,
Value: value,
}
block := core.Block{
Number: 123,
Transactions: []core.Transaction{transaction},
}
repository.CreateBlock(block)
savedBlock := repository.FindBlockByNumber(123)
Expect(len(savedBlock.Transactions)).To(Equal(1))
savedTransaction := savedBlock.Transactions[0]
Expect(savedTransaction.Hash).To(Equal(transaction.Hash))
Expect(savedTransaction.To).To(Equal(to))
Expect(savedTransaction.Nonce).To(Equal(nonce))
Expect(savedTransaction.GasLimit).To(Equal(gasLimit))
Expect(savedTransaction.GasPrice).To(Equal(gasPrice))
Expect(savedTransaction.Value).To(Equal(value))
})
})
}
Describe("In memory repository", func() {
AssertRepositoryBehavior(func() repositories.Repository {
return repositories.NewInMemory()
})
})
Describe("Postgres repository", func() {
It("connects to the database", func() {
pgConfig := config.DbConnectionString(config.NewConfig("private").Database)
db, err := sqlx.Connect("postgres", pgConfig)
Expect(err).Should(BeNil())
Expect(db).ShouldNot(BeNil())
})
AssertRepositoryBehavior(func() repositories.Repository {
pgConfig := config.DbConnectionString(config.NewConfig("private").Database)
db, _ := sqlx.Connect("postgres", pgConfig)
db.MustExec("DELETE FROM transactions")
db.MustExec("DELETE FROM blocks")
return repositories.NewPostgres(db)
})
})
})