package core // NOTE: A bulk of these unit tests will change and evolve as the context and // implementation of ChainConext evolves. import ( "math/big" "testing" 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" "github.com/stretchr/testify/require" ) 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 := ðtypes.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 := ðtypes.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() block, err := cc.Finalize(nil, nil, nil, nil, nil, nil) require.Nil(t, err) require.Nil(t, block) } 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) }