Function TestOpenEmptyStore

store_test.go:108–185

(t *testing.T)

}

func TestOpenEmptyStore(t *testing.T) {
	tmpDir, _ := ioutil.TempDir("", "mossStore")
	defer os.RemoveAll(tmpDir)

	s, err := OpenStore(tmpDir, StoreOptions{})
	if err != nil {
		t.Errorf("expected open empty store to work")
	}

	if s.Dir() != tmpDir {
		t.Errorf("expected same dir")
	}

	s.Options() // It should not panic.

	sstats, err := s.Stats()
	if err != nil {
		t.Errorf("expected no stats err")
	}
	if sstats == nil {
		t.Errorf("expected non-nil stats")
	}
	if sstats["num_bytes_used_disk"].(uint64) != 0 {
		t.Errorf("expected 0 stats to start")
	}
	if sstats["total_persists"].(uint64) != 0 {
		t.Errorf("expected 0 stats to start")
	}
	if sstats["total_compactions"].(uint64) != 0 {
		t.Errorf("expected 0 stats to start")
	}

	ss, err := s.Snapshot()
	if err != nil || ss == nil {
		t.Errorf("expected snapshot, no err")
	}
	ss2, err := s.Persist(ss, StorePersistOptions{})
	if err == nil || ss2 != nil {
		t.Errorf("expected persist of non-segmentStack to err")
	}

	v, err := ss.Get([]byte("a"), ReadOptions{})
	if err != nil || v != nil {
		t.Errorf("expected no a")
	}

	iter, err := ss.StartIterator(nil, nil, IteratorOptions{})
	if err != nil || iter == nil {
		t.Errorf("expected ss iter to start")
	}
	err = iter.Next()
	if err != ErrIteratorDone {
		t.Errorf("expected done")
	}
	k, v, err := iter.Current()
	if err != ErrIteratorDone || k != nil || v != nil {
		t.Errorf("expected done")
	}