forked from TrueCloudLab/neoneo-go
288 lines
6.8 KiB
Go
288 lines
6.8 KiB
Go
package storage
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import (
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"bytes"
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"reflect"
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"runtime"
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"sort"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/util/slice"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type dbSetup struct {
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name string
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create func(testing.TB) Store
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}
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type dbTestFunction func(*testing.T, Store)
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func testStoreClose(t *testing.T, s Store) {
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require.NoError(t, s.Close())
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}
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func testStorePutAndGet(t *testing.T, s Store) {
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key := []byte("foo")
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value := []byte("bar")
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require.NoError(t, s.Put(key, value))
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result, err := s.Get(key)
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assert.Nil(t, err)
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require.Equal(t, value, result)
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require.NoError(t, s.Close())
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}
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func testStoreGetNonExistent(t *testing.T, s Store) {
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key := []byte("sparse")
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_, err := s.Get(key)
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assert.Equal(t, err, ErrKeyNotFound)
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require.NoError(t, s.Close())
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}
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func testStorePutBatch(t *testing.T, s Store) {
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var (
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key = []byte("foo")
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value = []byte("bar")
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batch = s.Batch()
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)
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// Test that key and value are copied when batching.
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keycopy := slice.Copy(key)
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valuecopy := slice.Copy(value)
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batch.Put(keycopy, valuecopy)
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copy(valuecopy, key)
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copy(keycopy, value)
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require.NoError(t, s.PutBatch(batch))
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newVal, err := s.Get(key)
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assert.Nil(t, err)
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require.Equal(t, value, newVal)
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assert.Equal(t, value, newVal)
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require.NoError(t, s.Close())
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}
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func testStoreSeek(t *testing.T, s Store) {
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// Use the same set of kvs to test Seek with different prefix/start values.
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kvs := []KeyValue{
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{[]byte("10"), []byte("bar")},
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{[]byte("11"), []byte("bara")},
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{[]byte("20"), []byte("barb")},
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{[]byte("21"), []byte("barc")},
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{[]byte("22"), []byte("bard")},
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{[]byte("30"), []byte("bare")},
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{[]byte("31"), []byte("barf")},
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}
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for _, v := range kvs {
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require.NoError(t, s.Put(v.Key, v.Value))
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}
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check := func(t *testing.T, goodprefix, start []byte, goodkvs []KeyValue) {
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// Seek result expected to be sorted in an ascending way.
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sort.Slice(goodkvs, func(i, j int) bool {
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return bytes.Compare(goodkvs[i].Key, goodkvs[j].Key) < 0
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})
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actual := make([]KeyValue, 0, len(goodkvs))
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s.Seek(SeekRange{
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Prefix: goodprefix,
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Start: start,
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}, func(k, v []byte) {
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actual = append(actual, KeyValue{
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Key: slice.Copy(k),
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Value: slice.Copy(v),
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})
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})
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assert.Equal(t, goodkvs, actual)
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}
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t.Run("non-empty prefix, empty start", func(t *testing.T) {
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t.Run("good", func(t *testing.T) {
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// Given this prefix...
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goodprefix := []byte("2")
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// and empty start range...
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start := []byte{}
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// these pairs should be found.
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goodkvs := []KeyValue{
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kvs[2], // key = "20"
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kvs[3], // key = "21"
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kvs[4], // key = "22"
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}
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check(t, goodprefix, start, goodkvs)
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})
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t.Run("no matching items", func(t *testing.T) {
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goodprefix := []byte("0")
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start := []byte{}
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check(t, goodprefix, start, []KeyValue{})
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})
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})
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t.Run("non-empty prefix, non-empty start", func(t *testing.T) {
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t.Run("good", func(t *testing.T) {
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goodprefix := []byte("2")
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start := []byte("1") // start will be upended to goodprefix to start seek from
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goodkvs := []KeyValue{
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kvs[3], // key = "21"
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kvs[4], // key = "22"
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}
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check(t, goodprefix, start, goodkvs)
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})
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t.Run("no matching items", func(t *testing.T) {
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goodprefix := []byte("2")
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start := []byte("3") // start will be upended to goodprefix to start seek from
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check(t, goodprefix, start, []KeyValue{})
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})
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})
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t.Run("empty prefix, non-empty start", func(t *testing.T) {
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t.Run("good", func(t *testing.T) {
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goodprefix := []byte{}
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start := []byte("21")
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goodkvs := []KeyValue{
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kvs[3], // key = "21"
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kvs[4], // key = "22"
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kvs[5], // key = "30"
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kvs[6], // key = "31"
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}
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check(t, goodprefix, start, goodkvs)
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})
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t.Run("no matching items", func(t *testing.T) {
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goodprefix := []byte{}
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start := []byte("32")
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check(t, goodprefix, start, []KeyValue{})
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})
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})
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t.Run("empty prefix, empty start", func(t *testing.T) {
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goodprefix := []byte{}
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start := []byte{}
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goodkvs := make([]KeyValue, len(kvs))
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copy(goodkvs, kvs)
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check(t, goodprefix, start, goodkvs)
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})
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require.NoError(t, s.Close())
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}
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func testStoreDeleteNonExistent(t *testing.T, s Store) {
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key := []byte("sparse")
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assert.NoError(t, s.Delete(key))
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require.NoError(t, s.Close())
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}
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func testStorePutAndDelete(t *testing.T, s Store) {
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key := []byte("foo")
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value := []byte("bar")
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require.NoError(t, s.Put(key, value))
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err := s.Delete(key)
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assert.Nil(t, err)
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_, err = s.Get(key)
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assert.NotNil(t, err)
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assert.Equal(t, err, ErrKeyNotFound)
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// Double delete.
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err = s.Delete(key)
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assert.Nil(t, err)
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require.NoError(t, s.Close())
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}
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func testStorePutBatchWithDelete(t *testing.T, s Store) {
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var (
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toBeStored = map[string][]byte{
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"foo": []byte("bar"),
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"bar": []byte("baz"),
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}
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deletedInBatch = map[string][]byte{
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"edc": []byte("rfv"),
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"tgb": []byte("yhn"),
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}
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readdedToBatch = map[string][]byte{
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"yhn": []byte("ujm"),
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}
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toBeDeleted = map[string][]byte{
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"qaz": []byte("wsx"),
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"qwe": []byte("123"),
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}
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toStay = map[string][]byte{
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"key": []byte("val"),
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"faa": []byte("bra"),
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}
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)
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for k, v := range toBeDeleted {
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require.NoError(t, s.Put([]byte(k), v))
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}
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for k, v := range toStay {
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require.NoError(t, s.Put([]byte(k), v))
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}
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batch := s.Batch()
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for k, v := range toBeStored {
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batch.Put([]byte(k), v)
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}
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for k := range toBeDeleted {
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batch.Delete([]byte(k))
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}
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for k, v := range readdedToBatch {
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batch.Put([]byte(k), v)
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}
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for k, v := range deletedInBatch {
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batch.Put([]byte(k), v)
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}
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for k := range deletedInBatch {
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batch.Delete([]byte(k))
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}
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for k := range readdedToBatch {
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batch.Delete([]byte(k))
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}
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for k, v := range readdedToBatch {
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batch.Put([]byte(k), v)
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}
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require.NoError(t, s.PutBatch(batch))
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toBe := []map[string][]byte{toStay, toBeStored, readdedToBatch}
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notToBe := []map[string][]byte{deletedInBatch, toBeDeleted}
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for _, kvs := range toBe {
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for k, v := range kvs {
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value, err := s.Get([]byte(k))
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assert.Nil(t, err)
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assert.Equal(t, value, v)
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}
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}
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for _, kvs := range notToBe {
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for k, v := range kvs {
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_, err := s.Get([]byte(k))
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assert.Equal(t, ErrKeyNotFound, err, "%s:%s", k, v)
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}
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}
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require.NoError(t, s.Close())
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}
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func TestAllDBs(t *testing.T) {
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var DBs = []dbSetup{
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{"BoltDB", newBoltStoreForTesting},
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{"LevelDB", newLevelDBForTesting},
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{"MemCached", newMemCachedStoreForTesting},
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{"Memory", newMemoryStoreForTesting},
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}
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var tests = []dbTestFunction{testStoreClose, testStorePutAndGet,
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testStoreGetNonExistent, testStorePutBatch, testStoreSeek,
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testStoreDeleteNonExistent, testStorePutAndDelete,
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testStorePutBatchWithDelete}
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for _, db := range DBs {
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for _, test := range tests {
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s := db.create(t)
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twrapper := func(t *testing.T) {
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test(t, s)
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}
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fname := runtime.FuncForPC(reflect.ValueOf(test).Pointer()).Name()
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t.Run(db.name+"/"+fname, twrapper)
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}
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}
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}
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