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raft: use newRaft

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This commit is contained in:
Xiang Li 2014-12-15 11:25:35 -08:00
parent e9b06416de
commit 044e35b814
2 changed files with 32 additions and 51 deletions
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1
raft/raft.go
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@ -279,7 +279,6 @@ func (r *raft) maybeCommit() bool {
}
sort.Sort(sort.Reverse(mis))
mci := mis[r.q()-1]
return r.raftLog.maybeCommit(mci, r.Term)
}

82
raft/raft_test.go
View File

@ -559,35 +559,34 @@ func TestCommit(t *testing.T) {
w uint64
}{
// single
{[]uint64{1}, []pb.Entry{{}, {Term: 1}}, 1, 1},
{[]uint64{1}, []pb.Entry{{}, {Term: 1}}, 2, 0},
{[]uint64{2}, []pb.Entry{{}, {Term: 1}, {Term: 2}}, 2, 2},
{[]uint64{1}, []pb.Entry{{}, {Term: 2}}, 2, 1},
{[]uint64{1}, []pb.Entry{{Index: 1, Term: 1}}, 1, 1},
{[]uint64{1}, []pb.Entry{{Index: 1, Term: 1}}, 2, 0},
{[]uint64{2}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 2}}, 2, 2},
{[]uint64{1}, []pb.Entry{{Index: 1, Term: 2}}, 2, 1},
// odd
{[]uint64{2, 1, 1}, []pb.Entry{{}, {Term: 1}, {Term: 2}}, 1, 1},
{[]uint64{2, 1, 1}, []pb.Entry{{}, {Term: 1}, {Term: 1}}, 2, 0},
{[]uint64{2, 1, 2}, []pb.Entry{{}, {Term: 1}, {Term: 2}}, 2, 2},
{[]uint64{2, 1, 2}, []pb.Entry{{}, {Term: 1}, {Term: 1}}, 2, 0},
{[]uint64{2, 1, 1}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 2}}, 1, 1},
{[]uint64{2, 1, 1}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 1}}, 2, 0},
{[]uint64{2, 1, 2}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 2}}, 2, 2},
{[]uint64{2, 1, 2}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 1}}, 2, 0},
// even
{[]uint64{2, 1, 1, 1}, []pb.Entry{{}, {Term: 1}, {Term: 2}}, 1, 1},
{[]uint64{2, 1, 1, 1}, []pb.Entry{{}, {Term: 1}, {Term: 1}}, 2, 0},
{[]uint64{2, 1, 1, 2}, []pb.Entry{{}, {Term: 1}, {Term: 2}}, 1, 1},
{[]uint64{2, 1, 1, 2}, []pb.Entry{{}, {Term: 1}, {Term: 1}}, 2, 0},
{[]uint64{2, 1, 2, 2}, []pb.Entry{{}, {Term: 1}, {Term: 2}}, 2, 2},
{[]uint64{2, 1, 2, 2}, []pb.Entry{{}, {Term: 1}, {Term: 1}}, 2, 0},
{[]uint64{2, 1, 1, 1}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 2}}, 1, 1},
{[]uint64{2, 1, 1, 1}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 1}}, 2, 0},
{[]uint64{2, 1, 1, 2}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 2}}, 1, 1},
{[]uint64{2, 1, 1, 2}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 1}}, 2, 0},
{[]uint64{2, 1, 2, 2}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 2}}, 2, 2},
{[]uint64{2, 1, 2, 2}, []pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 1}}, 2, 0},
}
for i, tt := range tests {
prs := make(map[uint64]*progress)
storage := NewMemoryStorage()
storage.Append(tt.logs)
storage.hardState = pb.HardState{Term: tt.smTerm}
sm := newRaft(1, []uint64{1}, 5, 1, storage)
for j := 0; j < len(tt.matches); j++ {
prs[uint64(j)] = &progress{tt.matches[j], tt.matches[j] + 1}
}
sm := &raft{
raftLog: &raftLog{storage: &MemoryStorage{ents: tt.logs}, unstable: unstable{offset: uint64(len(tt.logs))}},
prs: prs,
HardState: pb.HardState{Term: tt.smTerm},
sm.setProgress(uint64(j)+1, tt.matches[j], tt.matches[j]+1)
}
sm.maybeCommit()
if g := sm.raftLog.committed; g != tt.w {
@ -675,15 +674,10 @@ func TestHandleMsgApp(t *testing.T) {
}
for i, tt := range tests {
sm := &raft{
state: StateFollower,
HardState: pb.HardState{Term: 2},
raftLog: &raftLog{
committed: 0,
storage: &MemoryStorage{ents: []pb.Entry{{}, {Term: 1}, {Term: 2}}},
unstable: unstable{offset: 3},
},
}
storage := NewMemoryStorage()
storage.Append([]pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 2}})
sm := newRaft(1, []uint64{1}, 10, 1, storage)
sm.becomeFollower(2, None)
sm.handleAppendEntries(tt.m)
if sm.raftLog.lastIndex() != tt.wIndex {
@ -709,18 +703,15 @@ func TestHandleHeartbeat(t *testing.T) {
m pb.Message
wCommit uint64
}{
{pb.Message{Type: pb.MsgApp, Term: 2, Commit: commit + 1}, commit + 1},
{pb.Message{Type: pb.MsgApp, Term: 2, Commit: commit - 1}, commit}, // do not decrease commit
{pb.Message{From: 2, To: 1, Type: pb.MsgApp, Term: 2, Commit: commit + 1}, commit + 1},
{pb.Message{From: 2, To: 1, Type: pb.MsgApp, Term: 2, Commit: commit - 1}, commit}, // do not decrease commit
}
for i, tt := range tests {
storage := NewMemoryStorage()
storage.Append([]pb.Entry{{Index: 1, Term: 1}, {Index: 2, Term: 2}, {Index: 3, Term: 3}})
sm := &raft{
state: StateFollower,
HardState: pb.HardState{Term: 2},
raftLog: newLog(storage),
}
sm := newRaft(1, []uint64{1, 2}, 5, 1, storage)
sm.becomeFollower(2, 2)
sm.raftLog.commitTo(commit)
sm.handleHeartbeat(tt.m)
if sm.raftLog.committed != tt.wCommit {
@ -1345,10 +1336,7 @@ func TestPromotable(t *testing.T) {
{[]uint64{2, 3}, false},
}
for i, tt := range tests {
r := &raft{id: id, prs: make(map[uint64]*progress)}
for _, id := range tt.peers {
r.prs[id] = &progress{}
}
r := newRaft(id, tt.peers, 5, 1, NewMemoryStorage())
if g := r.promotable(); g != tt.wp {
t.Errorf("#%d: promotable = %v, want %v", i, g, tt.wp)
}
@ -1378,17 +1366,11 @@ func TestRaftNodes(t *testing.T) {
}
func ents(terms ...uint64) *raft {
ents := []pb.Entry{{}}
storage := NewMemoryStorage()
for i, term := range terms {
ents = append(ents, pb.Entry{Index: uint64(i + 1), Term: term})
}
sm := &raft{
raftLog: &raftLog{
storage: &MemoryStorage{ents: ents},
unstable: unstable{offset: uint64(len(ents))},
},
storage.Append([]pb.Entry{{Index: uint64(i + 1), Term: term}})
}
sm := newRaft(1, []uint64{}, 5, 1, storage)
sm.reset(0)
return sm
}