func (ks *DSSuite) TestBasic(c *C) { pair := &kt.Pair{ Convert: func(k ds.Key) ds.Key { return ds.NewKey("/abc").Child(k) }, Invert: func(k ds.Key) ds.Key { // remove abc prefix l := k.List() if l[0] != "abc" { panic("key does not have prefix. convert failed?") } return ds.KeyWithNamespaces(l[1:]) }, } mpds := ds.NewMapDatastore() ktds := kt.Wrap(mpds, pair) keys := strsToKeys([]string{ "foo", "foo/bar", "foo/bar/baz", "foo/barb", "foo/bar/bazb", "foo/bar/baz/barb", }) for _, k := range keys { err := ktds.Put(k, []byte(k.String())) c.Check(err, Equals, nil) } for _, k := range keys { v1, err := ktds.Get(k) c.Check(err, Equals, nil) c.Check(bytes.Equal(v1.([]byte), []byte(k.String())), Equals, true) v2, err := mpds.Get(ds.NewKey("abc").Child(k)) c.Check(err, Equals, nil) c.Check(bytes.Equal(v2.([]byte), []byte(k.String())), Equals, true) } run := func(d ds.Datastore, q dsq.Query) []ds.Key { r, err := d.Query(q) c.Check(err, Equals, nil) e, err := r.Rest() c.Check(err, Equals, nil) return ds.EntryKeys(e) } listA := run(mpds, dsq.Query{}) listB := run(ktds, dsq.Query{}) c.Check(len(listA), Equals, len(listB)) // sort them cause yeah. sort.Sort(ds.KeySlice(listA)) sort.Sort(ds.KeySlice(listB)) for i, kA := range listA { kB := listB[i] c.Check(pair.Invert(kA), Equals, kB) c.Check(kA, Equals, pair.Convert(kB)) } c.Log("listA: ", listA) c.Log("listB: ", listB) }
func providerKey(k key.Key) datastore.Key { return datastore.KeyWithNamespaces([]string{"routing", "providers", k.String()}) }