storj/storage/testsuite/test_list.go

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// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.
package testsuite
import (
"math/rand"
"testing"
"storj.io/storj/storage"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
)
func testList(t *testing.T, store storage.KeyValueStore) {
items := storage.Items{
newItem("path/0", "\x00\xFF\x00", false),
newItem("path/1", "\x01\xFF\x01", false),
newItem("path/2", "\x02\xFF\x02", false),
newItem("path/3", "\x03\xFF\x03", false),
newItem("path/4", "\x04\xFF\x04", false),
newItem("path/5", "\x05\xFF\x05", false),
}
rand.Shuffle(len(items), items.Swap)
defer cleanupItems(store, items)
for _, item := range items {
if err := store.Put(item.Key, item.Value); err != nil {
t.Fatalf("failed to put: %v", err)
}
}
type Test struct {
Name string
Reverse bool
First storage.Key
Limit storage.Limit
Expected storage.Keys
}
newKeys := func(xs ...string) storage.Keys {
var keys storage.Keys
for _, x := range xs {
keys = append(keys, storage.Key(x))
}
return keys
}
tests := []Test{
{"without key", false,
nil, 3,
newKeys("path/0", "path/1", "path/2")},
{"without key, limit 0", false,
nil, 0,
newKeys("path/0", "path/1", "path/2", "path/3", "path/4", "path/5")},
{"with key", false,
storage.Key("path/2"), 3,
newKeys("path/2", "path/3", "path/4")},
{"without key 100", false,
nil, 100,
newKeys("path/0", "path/1", "path/2", "path/3", "path/4", "path/5")},
{"reverse without key", true,
nil, 3,
newKeys("path/5", "path/4", "path/3")},
{"reverse with key", true,
storage.Key("path/2"), 3,
newKeys("path/2", "path/1", "path/0")},
{"reverse without key 100", true,
nil, 100,
newKeys("path/5", "path/4", "path/3", "path/2", "path/1", "path/0")},
}
for _, test := range tests {
var keys storage.Keys
var err error
if !test.Reverse {
keys, err = store.List(test.First, test.Limit)
} else {
keys, err = store.ReverseList(test.First, test.Limit)
}
if err != nil {
t.Errorf("%s: %s", test.Name, err)
continue
}
if diff := cmp.Diff(test.Expected, keys, cmpopts.EquateEmpty()); diff != "" {
t.Errorf("%s: (-want +got)\n%s", test.Name, diff)
}
}
}