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frostfs-sdk-go/pool/pool_test.go
Evgenii Stratonikov cd5e08d725 [#48] pool: add Close method 
Fix occasional panic in tests:
```
> for i in (seq 1 100); go test -race -count=1 ./pool/... ; end
...
{"level":"warn","ts":1635251466.567485,"caller":"pool/pool.go:122","msg":"failed to create neofs session token for client","address":"peer0","error":"error session"}
panic: Fail in goroutine after TestTwoNodes has completed

goroutine 6 [running]:
testing.(*common).Fail(0xc0002e1380)
        /usr/lib/go/src/testing/testing.go:710 +0x1b4
testing.(*common).FailNow(0xc0002e1380)
        /usr/lib/go/src/testing/testing.go:732 +0x2f
testing.(*common).Fatalf(0xc000074070, {0xd9d816, 0x2e}, {0xc000094050, 0x5, 0x5})
        /usr/lib/go/src/testing/testing.go:830 +0x85
github.com/golang/mock/gomock.(*Controller).Call.func1(0xc0002f4120, {0xd68380, 0xc0002dac30}, {0xd8847f, 0xc}, {0xc000074020, 0x1, 0x1})
        /home/dzeta/go/pkg/mod/github.com/golang/mock@v1.6.0/gomock/controller.go:231 +0x44d
github.com/golang/mock/gomock.(*Controller).Call(0xc0002f4120, {0xd68380, 0xc0002dac30}, {0xd8847f, 0xc}, {0xc000074020, 0x1, 0x1})
        /home/dzeta/go/pkg/mod/github.com/golang/mock@v1.6.0/gomock/controller.go:247 +0xce
github.com/nspcc-dev/neofs-sdk-go/pool.(*MockClient).EndpointInfo(0xc0002dac30, {0xe85528, 0xc00008a120}, {0x0, 0x0, 0x0})
        /home/dzeta/repo/neofs-sdk-go/pool/mock_test.go:186 +0x298
github.com/nspcc-dev/neofs-sdk-go/pool.updateNodesHealth.func1(0x1, {0xe950d8, 0xc0002dac30})
        /home/dzeta/repo/neofs-sdk-go/pool/pool.go:183 +0x188
created by github.com/nspcc-dev/neofs-sdk-go/pool.updateNodesHealth
        /home/dzeta/repo/neofs-sdk-go/pool/pool.go:174 +0x233
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-11-01 17:51:21 +03:00

361 lines
9.5 KiB
Go
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package pool
import (
"context"
"fmt"
"math/rand"
"testing"
"time"
"github.com/golang/mock/gomock"
"github.com/google/uuid"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
"github.com/nspcc-dev/neofs-api-go/pkg/session"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
)
func TestBuildPoolClientFailed(t *testing.T) {
key, err := keys.NewPrivateKey()
require.NoError(t, err)
clientBuilder := func(opts ...client.Option) (client.Client, error) {
return nil, fmt.Errorf("error")
}
pb := new(Builder)
pb.AddNode("peer0", 1)
opts := &BuilderOptions{
Key: &key.PrivateKey,
clientBuilder: clientBuilder,
}
_, err = pb.Build(context.TODO(), opts)
require.Error(t, err)
}
func TestBuildPoolCreateSessionFailed(t *testing.T) {
ctrl := gomock.NewController(t)
key, err := keys.NewPrivateKey()
require.NoError(t, err)
ni := &netmap.NodeInfo{}
ni.SetAddresses("addr1", "addr2")
clientBuilder := func(opts ...client.Option) (client.Client, error) {
mockClient := NewMockClient(ctrl)
mockClient.EXPECT().CreateSession(gomock.Any(), gomock.Any()).Return(nil, fmt.Errorf("error session")).AnyTimes()
mockClient.EXPECT().EndpointInfo(gomock.Any(), gomock.Any()).Return(&client.EndpointInfo{}, nil).AnyTimes()
return mockClient, nil
}
pb := new(Builder)
pb.AddNode("peer0", 1)
opts := &BuilderOptions{
Key: &key.PrivateKey,
clientBuilder: clientBuilder,
}
_, err = pb.Build(context.TODO(), opts)
require.Error(t, err)
}
func TestBuildPoolOneNodeFailed(t *testing.T) {
ctrl := gomock.NewController(t)
ctrl2 := gomock.NewController(t)
key, err := keys.NewPrivateKey()
require.NoError(t, err)
ni := &netmap.NodeInfo{}
ni.SetAddresses("addr1", "addr2")
var expectedToken *session.Token
clientCount := -1
clientBuilder := func(opts ...client.Option) (client.Client, error) {
clientCount++
mockClient := NewMockClient(ctrl)
mockInvokes := 0
mockClient.EXPECT().CreateSession(gomock.Any(), gomock.Any()).DoAndReturn(func(_, _ interface{}, _ ...interface{}) (*session.Token, error) {
mockInvokes++
if mockInvokes == 1 {
expectedToken = newToken(t)
return nil, fmt.Errorf("error session")
}
return expectedToken, nil
}).AnyTimes()
mockClient.EXPECT().EndpointInfo(gomock.Any(), gomock.Any()).Return(nil, nil).AnyTimes()
mockClient2 := NewMockClient(ctrl2)
mockClient2.EXPECT().CreateSession(gomock.Any(), gomock.Any()).Return(nil, nil).AnyTimes()
mockClient2.EXPECT().EndpointInfo(gomock.Any(), gomock.Any()).Return(nil, nil).AnyTimes()
if clientCount == 0 {
return mockClient, nil
}
return mockClient2, nil
}
pb := new(Builder)
pb.AddNode("peer0", 9)
pb.AddNode("peer1", 1)
log, err := zap.NewProduction()
require.NoError(t, err)
opts := &BuilderOptions{
Key: &key.PrivateKey,
clientBuilder: clientBuilder,
ClientRebalanceInterval: 1000 * time.Millisecond,
Logger: log,
}
clientPool, err := pb.Build(context.TODO(), opts)
require.NoError(t, err)
t.Cleanup(clientPool.Close)
condition := func() bool {
_, st, err := clientPool.Connection()
return err == nil && st == expectedToken
}
require.Never(t, condition, 900*time.Millisecond, 100*time.Millisecond)
require.Eventually(t, condition, 3*time.Second, 300*time.Millisecond)
}
func TestBuildPoolZeroNodes(t *testing.T) {
key, err := keys.NewPrivateKey()
require.NoError(t, err)
pb := new(Builder)
opts := &BuilderOptions{
Key: &key.PrivateKey,
}
_, err = pb.Build(context.TODO(), opts)
require.Error(t, err)
}
func TestOneNode(t *testing.T) {
ctrl := gomock.NewController(t)
tok := session.NewToken()
uid, err := uuid.New().MarshalBinary()
require.NoError(t, err)
tok.SetID(uid)
clientBuilder := func(opts ...client.Option) (client.Client, error) {
mockClient := NewMockClient(ctrl)
mockClient.EXPECT().CreateSession(gomock.Any(), gomock.Any()).Return(tok, nil)
return mockClient, nil
}
key, err := keys.NewPrivateKey()
require.NoError(t, err)
pb := new(Builder)
pb.AddNode("peer0", 1)
opts := &BuilderOptions{
Key: &key.PrivateKey,
clientBuilder: clientBuilder,
}
pool, err := pb.Build(context.Background(), opts)
require.NoError(t, err)
t.Cleanup(pool.Close)
_, st, err := pool.Connection()
require.NoError(t, err)
require.Equal(t, tok, st)
}
func TestTwoNodes(t *testing.T) {
ctrl := gomock.NewController(t)
var tokens []*session.Token
clientBuilder := func(opts ...client.Option) (client.Client, error) {
mockClient := NewMockClient(ctrl)
mockClient.EXPECT().CreateSession(gomock.Any(), gomock.Any()).DoAndReturn(func(_, _ interface{}, _ ...interface{}) (*session.Token, error) {
tok := session.NewToken()
uid, err := uuid.New().MarshalBinary()
require.NoError(t, err)
tok.SetID(uid)
tokens = append(tokens, tok)
return tok, err
})
return mockClient, nil
}
key, err := keys.NewPrivateKey()
require.NoError(t, err)
pb := new(Builder)
pb.AddNode("peer0", 1)
pb.AddNode("peer1", 1)
opts := &BuilderOptions{
Key: &key.PrivateKey,
clientBuilder: clientBuilder,
}
pool, err := pb.Build(context.Background(), opts)
require.NoError(t, err)
t.Cleanup(pool.Close)
_, st, err := pool.Connection()
require.NoError(t, err)
require.Contains(t, tokens, st)
}
func TestOneOfTwoFailed(t *testing.T) {
ctrl := gomock.NewController(t)
ctrl2 := gomock.NewController(t)
var tokens []*session.Token
clientCount := -1
clientBuilder := func(opts ...client.Option) (client.Client, error) {
clientCount++
mockClient := NewMockClient(ctrl)
mockClient.EXPECT().CreateSession(gomock.Any(), gomock.Any(), gomock.Any()).DoAndReturn(func(_, _ interface{}, _ ...interface{}) (*session.Token, error) {
tok := newToken(t)
tokens = append(tokens, tok)
return tok, nil
}).AnyTimes()
mockClient.EXPECT().EndpointInfo(gomock.Any(), gomock.Any()).Return(nil, nil).AnyTimes()
mockClient2 := NewMockClient(ctrl2)
mockClient2.EXPECT().CreateSession(gomock.Any(), gomock.Any()).DoAndReturn(func(_, _ interface{}, _ ...interface{}) (*session.Token, error) {
tok := newToken(t)
tokens = append(tokens, tok)
return tok, nil
}).AnyTimes()
mockClient2.EXPECT().EndpointInfo(gomock.Any(), gomock.Any()).DoAndReturn(func(_ interface{}, _ ...interface{}) (*client.EndpointInfo, error) {
return nil, fmt.Errorf("error")
}).AnyTimes()
if clientCount == 0 {
return mockClient, nil
}
return mockClient2, nil
}
key, err := keys.NewPrivateKey()
require.NoError(t, err)
pb := new(Builder)
pb.AddNode("peer0", 1)
pb.AddNode("peer1", 9)
opts := &BuilderOptions{
Key: &key.PrivateKey,
clientBuilder: clientBuilder,
ClientRebalanceInterval: 200 * time.Millisecond,
}
pool, err := pb.Build(context.Background(), opts)
require.NoError(t, err)
t.Cleanup(pool.Close)
time.Sleep(2 * time.Second)
for i := 0; i < 5; i++ {
_, st, err := pool.Connection()
require.NoError(t, err)
require.Equal(t, tokens[0], st)
}
}
func TestTwoFailed(t *testing.T) {
ctrl := gomock.NewController(t)
clientBuilder := func(opts ...client.Option) (client.Client, error) {
mockClient := NewMockClient(ctrl)
mockClient.EXPECT().CreateSession(gomock.Any(), gomock.Any(), gomock.Any()).Return(nil, nil).AnyTimes()
mockClient.EXPECT().EndpointInfo(gomock.Any(), gomock.Any()).Return(nil, fmt.Errorf("error")).AnyTimes()
return mockClient, nil
}
key, err := keys.NewPrivateKey()
require.NoError(t, err)
pb := new(Builder)
pb.AddNode("peer0", 1)
pb.AddNode("peer1", 1)
opts := &BuilderOptions{
Key: &key.PrivateKey,
clientBuilder: clientBuilder,
ClientRebalanceInterval: 200 * time.Millisecond,
}
pool, err := pb.Build(context.Background(), opts)
require.NoError(t, err)
t.Cleanup(pool.Close)
time.Sleep(2 * time.Second)
_, _, err = pool.Connection()
require.Error(t, err)
require.Contains(t, err.Error(), "no healthy")
}
func newToken(t *testing.T) *session.Token {
tok := session.NewToken()
uid, err := uuid.New().MarshalBinary()
require.NoError(t, err)
tok.SetID(uid)
return tok
}
func TestWaitPresence(t *testing.T) {
ctrl := gomock.NewController(t)
mockClient := NewMockClient(ctrl)
mockClient.EXPECT().CreateSession(gomock.Any(), gomock.Any(), gomock.Any()).Return(nil, nil).AnyTimes()
mockClient.EXPECT().EndpointInfo(gomock.Any(), gomock.Any()).Return(nil, nil).AnyTimes()
mockClient.EXPECT().GetContainer(gomock.Any(), gomock.Any(), gomock.Any()).Return(nil, nil).AnyTimes()
p := &pool{
sampler: NewSampler([]float64{1}, rand.NewSource(0)),
clientPacks: []*clientPack{{
client: mockClient,
healthy: true,
}},
}
t.Run("context canceled", func(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
go func() {
time.Sleep(500 * time.Millisecond)
cancel()
}()
err := p.WaitForContainerPresence(ctx, nil, DefaultPollingParams())
require.Error(t, err)
require.Contains(t, err.Error(), "context canceled")
})
t.Run("context deadline exceeded", func(t *testing.T) {
ctx := context.Background()
err := p.WaitForContainerPresence(ctx, nil, &ContainerPollingParams{
CreationTimeout: 500 * time.Millisecond,
PollInterval: 5 * time.Second,
})
require.Error(t, err)
require.Contains(t, err.Error(), "context deadline exceeded")
})
t.Run("ok", func(t *testing.T) {
ctx := context.Background()
err := p.WaitForContainerPresence(ctx, nil, &ContainerPollingParams{
CreationTimeout: 10 * time.Second,
PollInterval: 500 * time.Millisecond,
})
require.NoError(t, err)
})
}
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