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raft: test vote

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This commit is contained in:
Blake Mizerany 2014-05-18 00:17:46 -07:00 committed by Yicheng Qin
parent 706c6df2ce
commit 13012ddd9a
2 changed files with 43 additions and 1 deletions
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2
raft.go
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@ -224,7 +224,7 @@ func (sm *stateMachine) voteWorthy(i, term int) bool {
// \/ /\ m.mlastLogTerm = LastTerm(log[i])
// /\ m.mlastLogIndex >= Len(log[i])
e := sm.log[sm.li()]
return term >= e.Term || (term == e.Term && i >= sm.li())
return term > e.Term || (term == e.Term && i >= sm.li())
}
func (sm *stateMachine) li() int {

42
raft_test.go
View File

@ -179,6 +179,48 @@ func TestProposalByProxy(t *testing.T) {
}
}
func TestVote(t *testing.T) {
tests := []struct {
i, term int
w int
}{
{0, 0, -1},
{0, 1, -1},
{0, 2, -1},
{0, 3, 2},
{1, 0, -1},
{1, 1, -1},
{1, 2, -1},
{1, 3, 2},
{2, 0, -1},
{2, 1, -1},
{2, 2, 2},
{2, 3, 2},
{3, 0, -1},
{3, 1, -1},
{3, 2, 2},
{3, 3, 2},
}
for i, tt := range tests {
called := false
sm := &stateMachine{log: []Entry{{}, {Term: 2}, {Term: 2}}}
sm.next = stepperFunc(func(m Message) {
called = true
if m.Index != tt.w {
t.Errorf("#%d, m.Index = %d, want %d", i, m.Index, tt.w)
}
})
sm.step(Message{Type: msgVote, Index: tt.i, LogTerm: tt.term})
if !called {
t.Fatal("#%d: not called", i)
}
}
}
func TestLogDiff(t *testing.T) {
a := []Entry{{}, {Term: 1}, {Term: 2}}
b := []Entry{{}, {Term: 1}, {Term: 2}}