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storage: update watch.cur and fix tests

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This commit is contained in:
Xiang Li 2016-02-03 00:54:07 -08:00
parent 3ed404633a
commit b09214df32
2 changed files with 34 additions and 32 deletions
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1
storage/watchable_store.go
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@ -366,6 +366,7 @@ func (s *watchableStore) syncWatchers() {
// will be processed next time and hopefully it will not be full.
continue
}
w.cur = curRev
s.synced.add(w)
s.unsynced.delete(w)
}

65
storage/watchable_store_test.go
View File

@ -157,51 +157,52 @@ func TestSyncWatchers(t *testing.T) {
watcherN := 100
for i := 0; i < watcherN; i++ {
// use 1 to keep watchers in unsynced
// specify rev as 1 to keep watchers in unsynced
w.Watch(testKey, true, 1)
}
// Before running s.syncWatchers()
//
// synced should be empty
// because we manually populate unsynced only
if len(s.synced[string(testKey)]) != 0 {
t.Fatalf("synced[string(testKey)] size = %d, want 0", len(s.synced[string(testKey)]))
// Before running s.syncWatchers() synced should be empty because we manually
// populate unsynced only
sws, _ := s.synced.getSetByKey(string(testKey))
uws, _ := s.unsynced.getSetByKey(string(testKey))
if len(sws) != 0 {
t.Fatalf("synced[string(testKey)] size = %d, want 0", len(sws))
}
// unsynced should not be empty
// because we manually populated unsynced only
if len(s.unsynced) == 0 {
t.Errorf("unsynced size = %d, want %d", len(s.unsynced), watcherN)
// unsynced should not be empty because we manually populated unsynced only
if len(uws) != watcherN {
t.Errorf("unsynced size = %d, want %d", len(uws), watcherN)
}
// this should move all unsynced watchers
// to synced ones
// this should move all unsynced watchers to synced ones
s.syncWatchers()
// After running s.syncWatchers()
//
// synced should not be empty
// because syncwatchers populates synced
// in this test case
if len(s.synced[string(testKey)]) == 0 {
t.Errorf("synced[string(testKey)] size = 0, want %d", len(s.synced[string(testKey)]))
}
// unsynced should be empty
// because syncwatchers is expected to move
// all watchers from unsynced to synced
// in this test case
if len(s.unsynced) != 0 {
t.Errorf("unsynced size = %d, want 0", len(s.unsynced))
sws, _ = s.synced.getSetByKey(string(testKey))
uws, _ = s.unsynced.getSetByKey(string(testKey))
// After running s.syncWatchers(), synced should not be empty because syncwatchers
// populates synced in this test case
if len(sws) != watcherN {
t.Errorf("synced[string(testKey)] size = %d, want %d", len(sws), watcherN)
}
// unsynced should be empty because syncwatchers is expected to move all watchers
// from unsynced to synced in this test case
if len(uws) != 0 {
t.Errorf("unsynced size = %d, want 0", len(uws))
}
for w := range sws {
if w.cur != s.Rev() {
t.Errorf("w.cur = %d, want %d", w.cur, s.Rev())
}
}
// All of the watchers actually share one channel
// so we only need to check one shared channel
// (See watcher.go for more detail).
if len(w.(*watchStream).ch) != watcherN {
t.Errorf("watched event size = %d, want %d", len(w.(*watchStream).ch), watcherN)
}
wr := <-w.(*watchStream).ch
evs := wr.Events
evs := (<-w.(*watchStream).ch).Events
if len(evs) != 1 {
t.Errorf("len(evs) got = %d, want = 1", len(evs))
}