milvus/internal/datanode/binlog_io_test.go

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// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package datanode
import (
"context"
"errors"
"path"
"testing"
"time"
"github.com/milvus-io/milvus/internal/kv"
memkv "github.com/milvus-io/milvus/internal/kv/mem"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/storage"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
)
func TestBinlogIOInterfaceMethods(t *testing.T) {
alloc := NewAllocatorFactory()
kv := memkv.NewMemoryKV()
b := &binlogIO{kv, alloc}
t.Run("Test upload", func(t *testing.T) {
f := &MetaFactory{}
meta := f.GetCollectionMeta(UniqueID(10001), "uploads")
iData := genInsertData()
dData := &DeleteData{
RowCount: 1,
Pks: []int64{888},
Tss: []uint64{666666},
}
p, err := b.upload(context.TODO(), 1, 10, []*InsertData{iData}, dData, meta)
assert.NoError(t, err)
assert.Equal(t, 11, len(p.inPaths))
assert.Equal(t, 3, len(p.statsPaths))
assert.NotNil(t, p.deltaInfo)
ctx, cancel := context.WithCancel(context.Background())
cancel()
p, err = b.upload(ctx, 1, 10, []*InsertData{iData}, dData, meta)
assert.EqualError(t, err, errUploadToBlobStorage.Error())
assert.Nil(t, p)
})
t.Run("Test upload error", func(t *testing.T) {
f := &MetaFactory{}
meta := f.GetCollectionMeta(UniqueID(10001), "uploads")
dData := &DeleteData{
Pks: []int64{},
Tss: []uint64{},
}
iData := genEmptyInsertData()
p, err := b.upload(context.TODO(), 1, 10, []*InsertData{iData}, dData, meta)
assert.NoError(t, err)
assert.Empty(t, p.inPaths)
assert.Empty(t, p.statsPaths)
assert.Empty(t, p.deltaInfo)
iData = &InsertData{Data: make(map[int64]storage.FieldData)}
p, err = b.upload(context.TODO(), 1, 10, []*InsertData{iData}, dData, meta)
assert.NoError(t, err)
assert.Empty(t, p.inPaths)
assert.Empty(t, p.statsPaths)
assert.Empty(t, p.deltaInfo)
iData = genInsertData()
dData = &DeleteData{
Pks: []int64{},
Tss: []uint64{1},
RowCount: 1,
}
p, err = b.upload(context.TODO(), 1, 10, []*InsertData{iData}, dData, meta)
assert.Error(t, err)
assert.Empty(t, p)
mkv := &mockKv{errMultiSave: true}
bin := &binlogIO{mkv, alloc}
iData = genInsertData()
dData = &DeleteData{
Pks: []int64{1},
Tss: []uint64{1},
RowCount: 1,
}
ctx, cancel := context.WithTimeout(context.TODO(), 20*time.Millisecond)
p, err = bin.upload(ctx, 1, 10, []*InsertData{iData}, dData, meta)
assert.Error(t, err)
assert.Empty(t, p)
cancel()
})
t.Run("Test download", func(t *testing.T) {
tests := []struct {
isvalid bool
ks []string // for preparation
inctx context.Context
description string
}{
{true, []string{"a", "b", "c"}, context.TODO(), "valid input"},
{false, nil, context.Background(), "cancel by context"},
}
for _, test := range tests {
t.Run(test.description, func(t *testing.T) {
if test.isvalid {
inkeys := []string{}
for _, k := range test.ks {
blob, key, err := prepareBlob(kv, k)
require.NoError(t, err)
assert.NotEmpty(t, blob)
inkeys = append(inkeys, key)
loaded, err := b.download(test.inctx, []string{key})
assert.NoError(t, err)
assert.ElementsMatch(t, blob, loaded[0].GetValue())
}
loaded, err := b.download(test.inctx, inkeys)
assert.NoError(t, err)
assert.Equal(t, len(test.ks), len(loaded))
} else {
ctx, cancel := context.WithCancel(test.inctx)
cancel()
_, err := b.download(ctx, nil)
assert.EqualError(t, err, errDownloadFromBlobStorage.Error())
}
})
}
})
t.Run("Test download twice", func(t *testing.T) {
mkv := &mockKv{errMultiLoad: true}
b := &binlogIO{mkv, alloc}
ctx, cancel := context.WithTimeout(context.TODO(), time.Millisecond*20)
blobs, err := b.download(ctx, []string{"a"})
assert.Error(t, err)
assert.Empty(t, blobs)
cancel()
})
}
func prepareBlob(kv kv.BaseKV, key string) ([]byte, string, error) {
k := path.Join("test_prepare_blob", key)
blob := []byte{1, 2, 3, 255, 188}
err := kv.Save(k, string(blob[:]))
if err != nil {
return nil, "", err
}
return blob, k, nil
}
func TestBinlogIOInnerMethods(t *testing.T) {
alloc := NewAllocatorFactory()
b := &binlogIO{
memkv.NewMemoryKV(),
alloc,
}
t.Run("Test genDeltaBlobs", func(t *testing.T) {
f := &MetaFactory{}
meta := f.GetCollectionMeta(UniqueID(10002), "test_gen_blobs")
tests := []struct {
isvalid bool
deletepk int64
ts uint64
description string
}{
{true, 1, 1111111, "valid input"},
}
for _, test := range tests {
t.Run(test.description, func(t *testing.T) {
if test.isvalid {
k, v, err := b.genDeltaBlobs(&DeleteData{
Pks: []int64{test.deletepk},
Tss: []uint64{test.ts},
}, meta.GetID(), 10, 1)
assert.NoError(t, err)
assert.NotEmpty(t, k)
assert.NotEmpty(t, v)
log.Debug("genDeltaBlobs returns", zap.String("key", k))
}
})
}
})
t.Run("Test genDeltaBlobs error", func(t *testing.T) {
k, v, err := b.genDeltaBlobs(&DeleteData{Pks: []int64{1}, Tss: []uint64{}}, 1, 1, 1)
assert.Error(t, err)
assert.Empty(t, k)
assert.Empty(t, v)
errAlloc := NewAllocatorFactory()
errAlloc.isvalid = false
bin := binlogIO{memkv.NewMemoryKV(), errAlloc}
k, v, err = bin.genDeltaBlobs(&DeleteData{Pks: []int64{1}, Tss: []uint64{1}}, 1, 1, 1)
assert.Error(t, err)
assert.Empty(t, k)
assert.Empty(t, v)
})
t.Run("Test genInsertBlobs", func(t *testing.T) {
f := &MetaFactory{}
meta := f.GetCollectionMeta(UniqueID(10001), "test_gen_blobs")
kvs, pin, pstats, err := b.genInsertBlobs(genInsertData(), 10, 1, meta)
assert.NoError(t, err)
assert.Equal(t, 3, len(pstats))
assert.Equal(t, 11, len(pin))
assert.Equal(t, 14, len(kvs))
log.Debug("test paths",
zap.Any("kvs no.", len(kvs)),
zap.String("insert paths field0", pin[0].GetBinlogs()[0].GetLogPath()),
zap.String("stats paths field0", pstats[0].GetBinlogs()[0].GetLogPath()))
})
t.Run("Test genInsertBlobs error", func(t *testing.T) {
kvs, pin, pstats, err := b.genInsertBlobs(&InsertData{}, 1, 1, nil)
assert.Error(t, err)
assert.Empty(t, kvs)
assert.Empty(t, pin)
assert.Empty(t, pstats)
f := &MetaFactory{}
meta := f.GetCollectionMeta(UniqueID(10001), "test_gen_blobs")
kvs, pin, pstats, err = b.genInsertBlobs(genEmptyInsertData(), 10, 1, meta)
assert.Error(t, err)
assert.Empty(t, kvs)
assert.Empty(t, pin)
assert.Empty(t, pstats)
errAlloc := NewAllocatorFactory()
errAlloc.errAllocBatch = true
bin := &binlogIO{memkv.NewMemoryKV(), errAlloc}
kvs, pin, pstats, err = bin.genInsertBlobs(genInsertData(), 10, 1, meta)
assert.Error(t, err)
assert.Empty(t, kvs)
assert.Empty(t, pin)
assert.Empty(t, pstats)
})
t.Run("Test idxGenerator", func(t *testing.T) {
tests := []struct {
isvalid bool
innumber int
expectedNo int
description string
}{
{false, 0, 0, "Invalid input count n"},
{true, 1, 1, "valid input n 1"},
{true, 3, 3, "valid input n 3 with cancel"},
}
for _, test := range tests {
t.Run(test.description, func(t *testing.T) {
done := make(chan struct{})
if test.isvalid {
gen, err := b.idxGenerator(test.innumber, done)
assert.NoError(t, err)
r := make([]UniqueID, 0)
for i := range gen {
r = append(r, i)
}
assert.Equal(t, test.expectedNo, len(r))
if test.innumber > 1 {
donedone := make(chan struct{})
gen, err := b.idxGenerator(test.innumber, donedone)
assert.NoError(t, err)
_, ok := <-gen
assert.True(t, ok)
donedone <- struct{}{}
_, ok = <-gen
assert.False(t, ok)
}
} else {
gen, err := b.idxGenerator(test.innumber, done)
assert.Error(t, err)
assert.Nil(t, gen)
}
})
}
b.close()
})
}
type mockKv struct {
errMultiLoad bool
errMultiSave bool
}
var _ kv.BaseKV = (*mockKv)(nil)
func (mk *mockKv) Load(key string) (string, error) { return "", nil }
func (mk *mockKv) MultiLoad(keys []string) ([]string, error) {
if mk.errMultiLoad {
return []string{}, errors.New("mockKv multiload error")
}
return []string{"a"}, nil
}
func (mk *mockKv) LoadWithPrefix(key string) ([]string, []string, error) { return nil, nil, nil }
func (mk *mockKv) Save(key, value string) error { return nil }
func (mk *mockKv) MultiSave(kvs map[string]string) error {
if mk.errMultiSave {
return errors.New("mockKv multisave error")
}
return nil
}
func (mk *mockKv) Remove(key string) error { return nil }
func (mk *mockKv) MultiRemove(keys []string) error { return nil }
func (mk *mockKv) RemoveWithPrefix(key string) error { return nil }
func (mk *mockKv) Close() {}