laconicd/tests/importer/chain_ctx_test.go

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package importer
// NOTE: A bulk of these unit tests will change and evolve as the context and
// implementation of ChainConext evolves.
import (
"math/big"
"testing"
"github.com/stretchr/testify/require"
ethcmn "github.com/ethereum/go-ethereum/common"
ethcons "github.com/ethereum/go-ethereum/consensus"
ethcore "github.com/ethereum/go-ethereum/core"
ethtypes "github.com/ethereum/go-ethereum/core/types"
)
func TestChainContextInterface(t *testing.T) {
require.Implements(t, (*ethcore.ChainContext)(nil), new(ChainContext))
require.Implements(t, (*ethcons.Engine)(nil), new(ChainContext))
}
func TestNewChainContext(t *testing.T) {
cc := NewChainContext()
require.NotNil(t, cc.headersByNumber)
}
func TestChainContextEngine(t *testing.T) {
cc := NewChainContext()
require.Equal(t, cc, cc.Engine())
}
func TestChainContextSetHeader(t *testing.T) {
cc := NewChainContext()
header := &ethtypes.Header{
Number: big.NewInt(64),
}
cc.SetHeader(uint64(header.Number.Int64()), header)
require.Equal(t, header, cc.headersByNumber[uint64(header.Number.Int64())])
}
func TestChainContextGetHeader(t *testing.T) {
cc := NewChainContext()
header := &ethtypes.Header{
Number: big.NewInt(64),
}
cc.SetHeader(uint64(header.Number.Int64()), header)
require.Equal(t, header, cc.GetHeader(ethcmn.Hash{}, uint64(header.Number.Int64())))
require.Nil(t, cc.GetHeader(ethcmn.Hash{}, 0))
}
func TestChainContextAuthor(t *testing.T) {
cc := NewChainContext()
cb, err := cc.Author(nil)
require.Nil(t, err)
require.Equal(t, cc.Coinbase, cb)
}
func TestChainContextAPIs(t *testing.T) {
cc := NewChainContext()
require.Nil(t, cc.APIs(nil))
}
func TestChainContextCalcDifficulty(t *testing.T) {
cc := NewChainContext()
require.Nil(t, cc.CalcDifficulty(nil, 0, nil))
}
func TestChainContextFinalize(t *testing.T) {
cc := NewChainContext()
cc.Finalize(nil, nil, nil, nil, nil)
}
func TestChainContextPrepare(t *testing.T) {
cc := NewChainContext()
err := cc.Prepare(nil, nil)
require.Nil(t, err)
}
func TestChainContextSeal(t *testing.T) {
cc := NewChainContext()
err := cc.Seal(nil, nil, nil, nil)
require.Nil(t, err)
}
func TestChainContextVerifyHeader(t *testing.T) {
cc := NewChainContext()
err := cc.VerifyHeader(nil, nil, false)
require.Nil(t, err)
}
func TestChainContextVerifyHeaders(t *testing.T) {
cc := NewChainContext()
ch, err := cc.VerifyHeaders(nil, nil, []bool{false})
require.Nil(t, err)
require.Nil(t, ch)
}
func TestChainContextVerifySeal(t *testing.T) {
cc := NewChainContext()
err := cc.VerifySeal(nil, nil)
require.Nil(t, err)
}
func TestChainContextVerifyUncles(t *testing.T) {
cc := NewChainContext()
err := cc.VerifyUncles(nil, nil)
require.Nil(t, err)
}