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Merge pull request #43 from dedis/roster_change_full
Finalization of the roster change
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,75 +1,144 @@ | ||
package skipchain | ||
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import ( | ||
"context" | ||
"testing" | ||
"testing/quick" | ||
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proto "github.com/golang/protobuf/proto" | ||
"github.com/golang/protobuf/ptypes/empty" | ||
"github.com/golang/protobuf/ptypes/wrappers" | ||
"github.com/stretchr/testify/require" | ||
"go.dedis.ch/fabric/crypto" | ||
"go.dedis.ch/fabric/encoding" | ||
"go.dedis.ch/fabric/internal/testing/fake" | ||
"go.dedis.ch/fabric/mino" | ||
"golang.org/x/xerrors" | ||
) | ||
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func TestHandler_Process(t *testing.T) { | ||
f := func(block SkipBlock) bool { | ||
proc := &fakePayloadProc{} | ||
watcher := &fakeWatcher{} | ||
h := newHandler(&Skipchain{ | ||
blockFactory: blockFactory{ | ||
encoder: encoding.NewProtoEncoder(), | ||
hashFactory: crypto.NewSha256Factory(), | ||
}, | ||
db: &fakeDatabase{}, | ||
watcher: watcher, | ||
}, proc) | ||
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block.Payload = &wrappers.BoolValue{Value: true} | ||
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packed, err := block.Pack(encoding.NewProtoEncoder()) | ||
require.NoError(t, err) | ||
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req := mino.Request{ | ||
Message: &PropagateGenesis{Genesis: packed.(*BlockProto)}, | ||
} | ||
resp, err := h.Process(req) | ||
require.NoError(t, err) | ||
require.Nil(t, resp) | ||
require.Len(t, proc.calls, 2) | ||
require.Equal(t, uint64(0), proc.calls[0][0]) | ||
require.True(t, proto.Equal(block.Payload, proc.calls[0][1].(proto.Message))) | ||
require.True(t, proto.Equal(block.Payload, proc.calls[1][0].(proto.Message))) | ||
require.Equal(t, 1, watcher.notified) | ||
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req.Message = &empty.Empty{} | ||
_, err = h.Process(req) | ||
require.EqualError(t, err, "unknown message type '*empty.Empty'") | ||
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req.Message = &PropagateGenesis{} | ||
_, err = h.Process(req) | ||
require.Error(t, err) | ||
require.Contains(t, err.Error(), "couldn't decode the block: ") | ||
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req.Message = &PropagateGenesis{Genesis: packed.(*BlockProto)} | ||
h.proc = &fakePayloadProc{errValidate: xerrors.New("oops")} | ||
_, err = h.Process(req) | ||
require.EqualError(t, err, "couldn't validate genesis payload: oops") | ||
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h.proc = &fakePayloadProc{errCommit: xerrors.New("oops")} | ||
_, err = h.Process(req) | ||
require.EqualError(t, err, "tx aborted: couldn't commit genesis payload: oops") | ||
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h.proc = &fakePayloadProc{} | ||
h.Skipchain.db = &fakeDatabase{err: xerrors.New("oops")} | ||
_, err = h.Process(req) | ||
require.EqualError(t, err, "tx aborted: couldn't write the block: oops") | ||
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return true | ||
proc := &fakePayloadProc{} | ||
watcher := &fakeWatcher{} | ||
h := newHandler(&operations{ | ||
processor: proc, | ||
blockFactory: blockFactory{ | ||
encoder: encoding.NewProtoEncoder(), | ||
hashFactory: crypto.NewSha256Factory(), | ||
}, | ||
db: &fakeDatabase{}, | ||
watcher: watcher, | ||
}) | ||
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genesis := SkipBlock{ | ||
Index: 0, | ||
Payload: &wrappers.BoolValue{Value: true}, | ||
} | ||
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err := quick.Check(f, nil) | ||
packed, err := genesis.Pack(encoding.NewProtoEncoder()) | ||
require.NoError(t, err) | ||
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req := mino.Request{ | ||
Message: &PropagateGenesis{Genesis: packed.(*BlockProto)}, | ||
} | ||
resp, err := h.Process(req) | ||
require.NoError(t, err) | ||
require.Nil(t, resp) | ||
require.Len(t, proc.calls, 2) | ||
require.Equal(t, uint64(0), proc.calls[0][0]) | ||
require.True(t, proto.Equal(genesis.Payload, proc.calls[0][1].(proto.Message))) | ||
require.True(t, proto.Equal(genesis.Payload, proc.calls[1][0].(proto.Message))) | ||
require.Equal(t, 1, watcher.notified) | ||
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req.Message = &empty.Empty{} | ||
_, err = h.Process(req) | ||
require.EqualError(t, err, "unknown message type '*empty.Empty'") | ||
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req.Message = &PropagateGenesis{} | ||
_, err = h.Process(req) | ||
require.EqualError(t, err, | ||
"couldn't decode block: couldn't unmarshal payload: message is nil") | ||
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proc.errValidate = xerrors.New("oops") | ||
req.Message = &PropagateGenesis{Genesis: packed.(*BlockProto)} | ||
_, err = h.Process(req) | ||
require.EqualError(t, err, | ||
"couldn't store genesis: couldn't validate block: oops") | ||
} | ||
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func TestHandler_Stream(t *testing.T) { | ||
db := &fakeDatabase{blocks: []SkipBlock{ | ||
{Payload: &empty.Empty{}}, | ||
{hash: Digest{0x01}, Index: 1, Payload: &empty.Empty{}}}, | ||
} | ||
h := handler{ | ||
operations: &operations{ | ||
encoder: encoding.NewProtoEncoder(), | ||
db: db, | ||
consensus: fakeConsensus{}, | ||
}, | ||
} | ||
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rcvr := fakeReceiver{msg: &BlockRequest{To: Digest{0x01}.Bytes()}} | ||
call := &fake.Call{} | ||
sender := fakeSender{call: call} | ||
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err := h.Stream(sender, rcvr) | ||
require.NoError(t, err) | ||
require.Equal(t, 2, call.Len()) | ||
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err = h.Stream(sender, fakeReceiver{err: xerrors.New("oops")}) | ||
require.EqualError(t, err, "couldn't receive message: oops") | ||
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err = h.Stream(sender, fakeReceiver{msg: nil}) | ||
require.EqualError(t, err, | ||
"invalid message type '<nil>' != '*skipchain.BlockRequest'") | ||
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db.err = xerrors.New("oops") | ||
err = h.Stream(sender, rcvr) | ||
require.EqualError(t, err, "couldn't read block at index 0: oops") | ||
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db.err = nil | ||
h.encoder = fake.BadPackEncoder{} | ||
err = h.Stream(sender, rcvr) | ||
require.EqualError(t, err, "couldn't pack block: fake error") | ||
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h.encoder = encoding.NewProtoEncoder() | ||
h.consensus = fakeConsensus{err: xerrors.New("oops")} | ||
err = h.Stream(sender, rcvr) | ||
require.EqualError(t, err, "couldn't get chain to block 1: oops") | ||
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h.consensus = fakeConsensus{} | ||
h.encoder = fake.BadPackAnyEncoder{} | ||
err = h.Stream(sender, rcvr) | ||
require.EqualError(t, err, "couldn't pack chain: fake error") | ||
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h.encoder = encoding.NewProtoEncoder() | ||
err = h.Stream(fakeSender{err: xerrors.New("oops")}, rcvr) | ||
require.EqualError(t, err, "couldn't send block: oops") | ||
} | ||
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// ----------------------------------------------------------------------------- | ||
// Utility functions | ||
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type fakeReceiver struct { | ||
mino.Receiver | ||
msg proto.Message | ||
err error | ||
} | ||
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func (rcvr fakeReceiver) Recv(context.Context) (mino.Address, proto.Message, error) { | ||
return nil, rcvr.msg, rcvr.err | ||
} | ||
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type fakeSender struct { | ||
mino.Sender | ||
call *fake.Call | ||
err error | ||
} | ||
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func (s fakeSender) Send(msg proto.Message, addrs ...mino.Address) <-chan error { | ||
s.call.Add(msg, addrs) | ||
errs := make(chan error, 1) | ||
errs <- s.err | ||
close(errs) | ||
return errs | ||
} |
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