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convert leveldb to log-structure

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This commit is contained in:
Barak Michener 2014-08-05 14:17:38 -04:00
parent dcb495d145
commit d4e5eead32
4 changed files with 177 additions and 140 deletions
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20
graph/leveldb/leveldb_test.go
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@ -24,6 +24,7 @@ import (
"github.com/google/cayley/graph"
"github.com/google/cayley/graph/iterator"
"github.com/google/cayley/quad"
"github.com/google/cayley/writer"
)
func makeTripleSet() []*quad.Quad {
@ -143,7 +144,8 @@ func TestLoadDatabase(t *testing.T) {
t.Error("Failed to create leveldb TripleStore.")
}
qs.AddTriple(&quad.Quad{"Something", "points_to", "Something Else", "context"})
w, _ := writer.NewSingleReplication(qs, nil)
w.AddQuad(&quad.Quad{"Something", "points_to", "Something Else", "context"})
for _, pq := range []string{"Something", "points_to", "Something Else", "context"} {
if got := qs.NameOf(qs.ValueOf(pq)); got != pq {
t.Errorf("Failed to roundtrip %q, got:%q expect:%q", pq, got, pq)
@ -162,13 +164,14 @@ func TestLoadDatabase(t *testing.T) {
if qs == nil || err != nil {
t.Error("Failed to create leveldb TripleStore.")
}
w, _ = writer.NewSingleReplication(qs, nil)
ts2, didConvert := qs.(*TripleStore)
if !didConvert {
t.Errorf("Could not convert from generic to LevelDB TripleStore")
}
qs.AddTripleSet(makeTripleSet())
w.AddQuadSet(makeTripleSet())
if s := qs.Size(); s != 11 {
t.Errorf("Unexpected triplestore size, got:%d expect:11", s)
}
@ -176,7 +179,7 @@ func TestLoadDatabase(t *testing.T) {
t.Errorf("Unexpected triplestore size, got:%d expect:5", s)
}
qs.RemoveTriple(&quad.Quad{"A", "follows", "B", ""})
w.RemoveQuad(&quad.Quad{"A", "follows", "B", ""})
if s := qs.Size(); s != 10 {
t.Errorf("Unexpected triplestore size after RemoveTriple, got:%d expect:10", s)
}
@ -204,7 +207,9 @@ func TestIterator(t *testing.T) {
if qs == nil || err != nil {
t.Error("Failed to create leveldb TripleStore.")
}
qs.AddTripleSet(makeTripleSet())
w, _ := writer.NewSingleReplication(qs, nil)
w.AddQuadSet(makeTripleSet())
var it graph.Iterator
it = qs.NodesAllIterator()
@ -299,7 +304,8 @@ func TestSetIterator(t *testing.T) {
}
defer qs.Close()
qs.AddTripleSet(makeTripleSet())
w, _ := writer.NewSingleReplication(qs, nil)
w.AddQuadSet(makeTripleSet())
expect := []*quad.Quad{
{"C", "follows", "B", ""},
@ -411,7 +417,9 @@ func TestOptimize(t *testing.T) {
if qs == nil || err != nil {
t.Error("Failed to create leveldb TripleStore.")
}
qs.AddTripleSet(makeTripleSet())
w, _ := writer.NewSingleReplication(qs, nil)
w.AddQuadSet(makeTripleSet())
// With an linksto-fixed pair
fixed := qs.FixedIterator()