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raft: add TestUnstableMaybeTerm

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This commit is contained in:
Xiang Li 2014-12-03 11:30:59 -08:00
parent 058356d9bd
commit 48f75ca645
1 changed files with 75 additions and 0 deletions
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75
raft/log_unstable_test.go
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@ -112,3 +112,78 @@ func TestMaybeLastIndex(t *testing.T) {
}
}
}
func TestUnstableMaybeTerm(t *testing.T) {
tests := []struct {
entries []pb.Entry
offset uint64
snap *pb.Snapshot
index uint64
wok bool
wterm uint64
}{
// term from entries
{
[]pb.Entry{{Index: 5, Term: 1}}, 5, nil,
5,
true, 1,
},
{
[]pb.Entry{{Index: 5, Term: 1}}, 5, nil,
6,
false, 0,
},
{
[]pb.Entry{{Index: 5, Term: 1}}, 5, nil,
4,
false, 0,
},
{
[]pb.Entry{{Index: 5, Term: 1}}, 5, &pb.Snapshot{Metadata: pb.SnapshotMetadata{Index: 4, Term: 1}},
5,
true, 1,
},
{
[]pb.Entry{{Index: 5, Term: 1}}, 5, &pb.Snapshot{Metadata: pb.SnapshotMetadata{Index: 4, Term: 1}},
6,
false, 0,
},
// term from snapshot
{
[]pb.Entry{{Index: 5, Term: 1}}, 5, &pb.Snapshot{Metadata: pb.SnapshotMetadata{Index: 4, Term: 1}},
4,
true, 1,
},
{
[]pb.Entry{}, 5, &pb.Snapshot{Metadata: pb.SnapshotMetadata{Index: 4, Term: 1}},
5,
false, 0,
},
{
[]pb.Entry{}, 5, &pb.Snapshot{Metadata: pb.SnapshotMetadata{Index: 4, Term: 1}},
4,
true, 1,
},
{
[]pb.Entry{}, 0, nil,
5,
false, 0,
},
}
for i, tt := range tests {
u := unstable{
entries: tt.entries,
offset: tt.offset,
snapshot: tt.snap,
}
term, ok := u.maybeTerm(tt.index)
if ok != tt.wok {
t.Errorf("#%d: ok = %t, want %t", i, ok, tt.wok)
}
if term != tt.wterm {
t.Errorf("#%d: term = %d, want %d", i, term, tt.wterm)
}
}
}