func TestIterators(t *testing.T) {
qs, opts, closer := makeGAE(t)
defer closer()
graphtest.MakeWriter(t, qs, opts, graphtest.MakeQuadSet()...)
require.Equal(t, int64(11), qs.Size(), "Incorrect number of quads")
var expected = []quad.Quad{
quad.Make("C", "follows", "B", ""),
quad.Make("C", "follows", "D", ""),
}
it := qs.QuadIterator(quad.Subject, qs.ValueOf(quad.Raw("C")))
graphtest.ExpectIteratedQuads(t, qs, it, expected)
// Test contains
it = qs.QuadIterator(quad.Label, qs.ValueOf(quad.Raw("status_graph")))
gqs := qs.(*QuadStore)
key := gqs.createKeyForQuad(quad.Make("G", "status", "cool", "status_graph"))
token := &Token{quadKind, key.StringID()}
require.True(t, it.Contains(token), "Contains failed")
// Test cloning an iterator
var it2 graph.Iterator
it2 = it.Clone()
x := it2.Describe()
y := it.Describe()
require.Equal(t, y.Name, x.Name, "Iterator Clone was not successful")
}
func TestOptimize(t *testing.T) {
qs, opts, closer := makeBolt(t)
defer closer()
graphtest.MakeWriter(t, qs, opts, graphtest.MakeQuadSet()...)
// With an linksto-fixed pair
fixed := qs.FixedIterator()
fixed.Add(qs.ValueOf(quad.Raw("F")))
fixed.Tagger().Add("internal")
lto := iterator.NewLinksTo(qs, fixed, quad.Object)
oldIt := lto.Clone()
newIt, ok := lto.Optimize()
if !ok {
t.Errorf("Failed to optimize iterator")
}
if newIt.Type() != Type() {
t.Errorf("Optimized iterator type does not match original, got:%v expect:%v", newIt.Type(), Type())
}
newQuads := graphtest.IteratedQuads(t, qs, newIt)
oldQuads := graphtest.IteratedQuads(t, qs, oldIt)
if !reflect.DeepEqual(newQuads, oldQuads) {
t.Errorf("Optimized iteration does not match original")
}
graph.Next(oldIt)
oldResults := make(map[string]graph.Value)
oldIt.TagResults(oldResults)
graph.Next(newIt)
newResults := make(map[string]graph.Value)
newIt.TagResults(newResults)
if !reflect.DeepEqual(newResults, oldResults) {
t.Errorf("Discordant tag results, new:%v old:%v", newResults, oldResults)
}
}
)
// This is a simple test graph.
//
// +---+ +---+
// | A |------- ->| F |<--
// +---+ \------>+---+-/ +---+ \--+---+
// ------>|#B#| | | E |
// +---+-------/ >+---+ | +---+
// | C | / v
// +---+ -/ +---+
// ---- +---+/ |#G#|
// \-->|#D#|------------->+---+
// +---+
//
var simpleGraph = graphtest.MakeQuadSet()
var simpleGraphUpdate = []quad.Quad{
quad.Make("A", "follows", "B", ""),
quad.Make("F", "follows", "B", ""),
quad.Make("C", "follows", "D", ""),
quad.Make("X", "follows", "B", ""),
}
type pair struct {
query string
value int64
}
func makeTestStore(data []quad.Quad, opts graph.Options) (graph.QuadStore, graph.QuadWriter, []pair) {
seen := make(map[quad.Value]struct{})
func TestLoadDatabase(t *testing.T) {
tmpFile, err := ioutil.TempFile(os.TempDir(), "cayley_test")
if err != nil {
t.Fatalf("Could not create working directory: %v", err)
}
defer os.RemoveAll(tmpFile.Name())
t.Log(tmpFile.Name())
err = createNewBolt(tmpFile.Name(), nil)
if err != nil {
t.Fatal("Failed to create Bolt database.", err)
}
qs, err := newQuadStore(tmpFile.Name(), nil)
if qs == nil || err != nil {
t.Error("Failed to create Bolt QuadStore.")
}
w, _ := writer.NewSingleReplication(qs, nil)
w.WriteQuad(quad.Make(
"Something",
"points_to",
"Something Else",
"context",
))
for _, pq := range []string{"Something", "points_to", "Something Else", "context"} {
if got := qs.NameOf(qs.ValueOf(quad.Raw(pq))).String(); got != pq {
t.Errorf("Failed to roundtrip %q, got:%q expect:%q", pq, got, pq)
}
}
if s := qs.Size(); s != 1 {
t.Errorf("Unexpected quadstore size, got:%d expect:1", s)
}
qs.Close()
err = createNewBolt(tmpFile.Name(), nil)
if err != graph.ErrDatabaseExists {
t.Fatal("Failed to create Bolt database.", err)
}
qs, err = newQuadStore(tmpFile.Name(), nil)
if qs == nil || err != nil {
t.Error("Failed to create Bolt QuadStore.")
}
w, _ = writer.NewSingleReplication(qs, nil)
ts2, didConvert := qs.(*QuadStore)
if !didConvert {
t.Errorf("Could not convert from generic to Bolt QuadStore")
}
//Test horizon
horizon := qs.Horizon()
if horizon.Int() != 1 {
t.Errorf("Unexpected horizon value, got:%d expect:1", horizon.Int())
}
w.WriteQuads(graphtest.MakeQuadSet())
if s := qs.Size(); s != 12 {
t.Errorf("Unexpected quadstore size, got:%d expect:12", s)
}
if s := ts2.SizeOf(qs.ValueOf(quad.Raw("B"))); s != 5 {
t.Errorf("Unexpected quadstore size, got:%d expect:5", s)
}
horizon = qs.Horizon()
if horizon.Int() != 12 {
t.Errorf("Unexpected horizon value, got:%d expect:12", horizon.Int())
}
w.RemoveQuad(quad.Make(
"A",
"follows",
"B",
"",
))
if s := qs.Size(); s != 11 {
t.Errorf("Unexpected quadstore size after RemoveQuad, got:%d expect:11", s)
}
if s := ts2.SizeOf(qs.ValueOf(quad.Raw("B"))); s != 4 {
t.Errorf("Unexpected quadstore size, got:%d expect:4", s)
}
qs.Close()
}