route/vendor/github.com/asdine/storm/index/unique_test.go

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2017-10-06 15:29:20 +00:00
package index_test
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/asdine/storm"
"github.com/asdine/storm/codec/gob"
"github.com/asdine/storm/index"
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"github.com/coreos/bbolt"
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"github.com/stretchr/testify/require"
)
func TestUniqueIndex(t *testing.T) {
dir, _ := ioutil.TempDir(os.TempDir(), "storm")
defer os.RemoveAll(dir)
db, _ := storm.Open(filepath.Join(dir, "storm.db"))
defer db.Close()
err := db.Bolt.Update(func(tx *bolt.Tx) error {
b, err := tx.CreateBucket([]byte("test"))
require.NoError(t, err)
idx, err := index.NewUniqueIndex(b, []byte("uindex1"))
require.NoError(t, err)
err = idx.Add([]byte("hello"), []byte("id1"))
require.NoError(t, err)
err = idx.Add([]byte("hello"), []byte("id1"))
require.NoError(t, err)
err = idx.Add([]byte("hello"), []byte("id2"))
require.Error(t, err)
require.Equal(t, index.ErrAlreadyExists, err)
err = idx.Add(nil, []byte("id2"))
require.Error(t, err)
require.Equal(t, index.ErrNilParam, err)
err = idx.Add([]byte("hi"), nil)
require.Error(t, err)
require.Equal(t, index.ErrNilParam, err)
id := idx.Get([]byte("hello"))
require.Equal(t, []byte("id1"), id)
id = idx.Get([]byte("goodbye"))
require.Nil(t, id)
err = idx.Remove([]byte("hello"))
require.NoError(t, err)
err = idx.Remove(nil)
require.NoError(t, err)
id = idx.Get([]byte("hello"))
require.Nil(t, id)
err = idx.Add([]byte("hello"), []byte("id1"))
require.NoError(t, err)
err = idx.Add([]byte("hi"), []byte("id2"))
require.NoError(t, err)
err = idx.Add([]byte("yo"), []byte("id3"))
require.NoError(t, err)
list, err := idx.AllRecords(nil)
require.NoError(t, err)
require.Len(t, list, 3)
opts := index.NewOptions()
opts.Limit = 2
list, err = idx.AllRecords(opts)
require.NoError(t, err)
require.Len(t, list, 2)
opts = index.NewOptions()
opts.Skip = 2
list, err = idx.AllRecords(opts)
require.NoError(t, err)
require.Len(t, list, 1)
require.Equal(t, []byte("id3"), list[0])
opts = index.NewOptions()
opts.Skip = 2
opts.Limit = 1
opts.Reverse = true
list, err = idx.AllRecords(opts)
require.NoError(t, err)
require.Len(t, list, 1)
require.Equal(t, []byte("id1"), list[0])
err = idx.RemoveID([]byte("id2"))
require.NoError(t, err)
id = idx.Get([]byte("hello"))
require.Equal(t, []byte("id1"), id)
id = idx.Get([]byte("hi"))
require.Nil(t, id)
id = idx.Get([]byte("yo"))
require.Equal(t, []byte("id3"), id)
ids, err := idx.All([]byte("yo"), nil)
require.NoError(t, err)
require.Len(t, ids, 1)
require.Equal(t, []byte("id3"), ids[0])
err = idx.RemoveID([]byte("id2"))
require.NoError(t, err)
err = idx.RemoveID([]byte("id4"))
require.NoError(t, err)
return nil
})
require.NoError(t, err)
}
func TestUniqueIndexRange(t *testing.T) {
dir, _ := ioutil.TempDir(os.TempDir(), "storm")
defer os.RemoveAll(dir)
db, _ := storm.Open(filepath.Join(dir, "storm.db"))
defer db.Close()
db.Bolt.Update(func(tx *bolt.Tx) error {
b, err := tx.CreateBucket([]byte("test"))
require.NoError(t, err)
idx, err := index.NewUniqueIndex(b, []byte("uindex1"))
require.NoError(t, err)
for i := 0; i < 10; i++ {
val, _ := gob.Codec.Marshal(i)
err = idx.Add(val, val)
require.NoError(t, err)
}
min, _ := gob.Codec.Marshal(3)
max, _ := gob.Codec.Marshal(5)
list, err := idx.Range(min, max, nil)
require.Len(t, list, 3)
require.NoError(t, err)
assertEncodedIntListEqual(t, []int{3, 4, 5}, list)
min, _ = gob.Codec.Marshal(11)
max, _ = gob.Codec.Marshal(20)
list, err = idx.Range(min, max, nil)
require.Len(t, list, 0)
require.NoError(t, err)
min, _ = gob.Codec.Marshal(7)
max, _ = gob.Codec.Marshal(2)
list, err = idx.Range(min, max, nil)
require.Len(t, list, 0)
require.NoError(t, err)
min, _ = gob.Codec.Marshal(-5)
max, _ = gob.Codec.Marshal(2)
list, err = idx.Range(min, max, nil)
require.Len(t, list, 0)
require.NoError(t, err)
min, _ = gob.Codec.Marshal(3)
max, _ = gob.Codec.Marshal(7)
opts := index.NewOptions()
opts.Skip = 2
list, err = idx.Range(min, max, opts)
require.Len(t, list, 3)
require.NoError(t, err)
assertEncodedIntListEqual(t, []int{5, 6, 7}, list)
opts = index.NewOptions()
opts.Limit = 2
list, err = idx.Range(min, max, opts)
require.Len(t, list, 2)
require.NoError(t, err)
assertEncodedIntListEqual(t, []int{3, 4}, list)
opts = index.NewOptions()
opts.Reverse = true
opts.Skip = 2
opts.Limit = 2
list, err = idx.Range(min, max, opts)
require.Len(t, list, 2)
require.NoError(t, err)
assertEncodedIntListEqual(t, []int{5, 4}, list)
return nil
})
}
func TestUniqueIndexPrefix(t *testing.T) {
dir, _ := ioutil.TempDir(os.TempDir(), "storm")
defer os.RemoveAll(dir)
db, _ := storm.Open(filepath.Join(dir, "storm.db"))
defer db.Close()
db.Bolt.Update(func(tx *bolt.Tx) error {
b, err := tx.CreateBucket([]byte("test"))
require.NoError(t, err)
idx, err := index.NewUniqueIndex(b, []byte("uindex1"))
require.NoError(t, err)
for i := 0; i < 10; i++ {
val := []byte(fmt.Sprintf("a%d", i))
err = idx.Add(val, val)
require.NoError(t, err)
}
for i := 0; i < 10; i++ {
val := []byte(fmt.Sprintf("b%d", i))
err = idx.Add(val, val)
require.NoError(t, err)
}
list, err := idx.Prefix([]byte("a"), nil)
require.Len(t, list, 10)
require.NoError(t, err)
list, err = idx.Prefix([]byte("b"), nil)
require.Len(t, list, 10)
require.NoError(t, err)
require.Equal(t, []byte("b0"), list[0])
require.Equal(t, []byte("b9"), list[9])
opts := index.NewOptions()
opts.Reverse = true
list, err = idx.Prefix([]byte("a"), opts)
require.Len(t, list, 10)
require.NoError(t, err)
require.Equal(t, []byte("a9"), list[0])
require.Equal(t, []byte("a0"), list[9])
opts = index.NewOptions()
opts.Reverse = true
list, err = idx.Prefix([]byte("b"), opts)
require.Len(t, list, 10)
require.NoError(t, err)
require.Equal(t, []byte("b9"), list[0])
require.Equal(t, []byte("b0"), list[9])
opts = index.NewOptions()
opts.Skip = 9
opts.Limit = 5
list, err = idx.Prefix([]byte("a"), opts)
require.Len(t, list, 1)
require.NoError(t, err)
require.Equal(t, []byte("a9"), list[0])
opts = index.NewOptions()
opts.Reverse = true
opts.Skip = 9
opts.Limit = 5
list, err = idx.Prefix([]byte("a"), opts)
require.Len(t, list, 1)
require.NoError(t, err)
require.Equal(t, []byte("a0"), list[0])
return nil
})
}
func assertEncodedIntListEqual(t *testing.T, expected []int, actual [][]byte) {
ints := make([]int, len(actual))
for i, e := range actual {
err := gob.Codec.Unmarshal(e, &ints[i])
require.NoError(t, err)
}
require.Equal(t, expected, ints)
}