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client_test.go
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//go:build integration
// +build integration
/*
*
* Copyright (c) 2020 vesoft inc. All rights reserved.
*
* This source code is licensed under Apache 2.0 License.
*
*/
package nebula_go
import (
"encoding/json"
"fmt"
"log"
"os/exec"
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/vesoft-inc/nebula-go/v3/nebula"
"github.com/vesoft-inc/nebula-go/v3/nebula/graph"
)
const (
address = "127.0.0.1"
port = 3699
username = "root"
password = "nebula"
addressIPv6 = "::1"
)
var poolAddress = []HostAddress{
{
Host: "127.0.0.1",
Port: 3699,
},
{
Host: "127.0.0.1",
Port: 3700,
},
{
Host: "127.0.0.1",
Port: 3701,
},
}
var nebulaLog = DefaultLogger{}
// Create default configs
var testPoolConfig = GetDefaultConf()
// Before run `go test -v`, you should start a nebula server listening on 3699 port.
// Using docker-compose is the easiest way and you can reference this file:
// https://github.com/vesoft-inc/nebula/blob/master/docker/docker-compose.yaml
func logoutAndClose(conn *connection, sessionID int64) {
conn.signOut(sessionID)
conn.close()
}
func TestConnection(t *testing.T) {
hostAddress := HostAddress{Host: address, Port: port}
conn := newConnection(hostAddress)
err := conn.open(hostAddress, testPoolConfig.TimeOut, nil, false)
if err != nil {
t.Fatalf("fail to open connection, address: %s, port: %d, %s", address, port, err.Error())
}
authResp, authErr := conn.authenticate(username, password)
if authErr != nil {
t.Fatalf("fail to authenticate, username: %s, password: %s, %s", username, password, authErr.Error())
}
if authResp.GetErrorCode() != nebula.ErrorCode_SUCCEEDED {
t.Fatalf("failed to authenticate, error code: %d, error msg: %s",
authResp.GetErrorCode(), authResp.GetErrorMsg())
}
sessionID := authResp.GetSessionID()
defer logoutAndClose(conn, sessionID)
resp, err := conn.execute(sessionID, "SHOW HOSTS;")
if err != nil {
t.Fatalf(err.Error())
return
}
checkConResp("show hosts", resp)
resp, err = conn.execute(sessionID, "CREATE SPACE client_test(partition_num=1024, replica_factor=1, vid_type = FIXED_STRING(30));")
if err != nil {
t.Error(err.Error())
return
}
checkConResp("create space", resp)
resp, err = conn.execute(sessionID, "return 1")
if err != nil {
t.Error(err.Error())
return
}
checkConResp("return 1", resp)
resp, err = conn.execute(sessionID, "DROP SPACE client_test;")
if err != nil {
t.Error(err.Error())
return
}
checkConResp("drop space", resp)
res := conn.ping()
if res != true {
t.Error("Connection ping failed")
return
}
}
func TestConnectionIPv6(t *testing.T) {
hostAddress := HostAddress{Host: addressIPv6, Port: port}
conn := newConnection(hostAddress)
err := conn.open(hostAddress, testPoolConfig.TimeOut, nil, false)
if err != nil {
t.Fatalf("fail to open connection, address: %s, port: %d, %s", address, port, err.Error())
}
authResp, authErr := conn.authenticate(username, password)
if authErr != nil {
t.Fatalf("fail to authenticate, username: %s, password: %s, %s", username, password, authErr.Error())
}
if authResp.GetErrorCode() != nebula.ErrorCode_SUCCEEDED {
t.Fatalf("failed to authenticate, error code: %d, error msg: %s",
authResp.GetErrorCode(), authResp.GetErrorMsg())
}
sessionID := authResp.GetSessionID()
defer logoutAndClose(conn, sessionID)
resp, err := conn.execute(sessionID, "SHOW HOSTS;")
if err != nil {
t.Fatalf(err.Error())
return
}
checkConResp("show hosts", resp)
resp, err = conn.execute(sessionID, "CREATE SPACE client_test(partition_num=1024, replica_factor=1, vid_type = FIXED_STRING(30));")
if err != nil {
t.Error(err.Error())
return
}
checkConResp("create space", resp)
resp, err = conn.execute(sessionID, "DROP SPACE client_test;")
if err != nil {
t.Error(err.Error())
return
}
checkConResp("drop space", resp)
res := conn.ping()
if res != true {
t.Error("Connection ping failed")
return
}
}
func TestConfigs(t *testing.T) {
hostAddress := HostAddress{Host: address, Port: port}
hostList := []HostAddress{}
hostList = append(hostList, hostAddress)
var configList = []PoolConfig{
// default
{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 10,
MinConnPoolSize: 1,
},
// timeout < 0
{
TimeOut: -1 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 10,
MinConnPoolSize: 1,
},
// MaxConnPoolSize < 0
{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: -1,
MinConnPoolSize: 1,
},
// MinConnPoolSize < 0
{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 1,
MinConnPoolSize: -1,
},
}
for _, testPoolConfig := range configList {
// Initialize connection pool
pool, err := NewConnectionPool(hostList, testPoolConfig, nebulaLog)
if err != nil {
t.Fatalf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error())
}
// close all connections in the pool
defer pool.Close()
// Create session
session, err := pool.GetSession(username, password)
if err != nil {
t.Fatalf("fail to create a new session from connection pool, username: %s, password: %s, %s",
username, password, err.Error())
}
defer session.Release()
// Execute a query
resp, err := tryToExecute(session, "SHOW HOSTS;")
if err != nil {
t.Fatalf(err.Error())
return
}
checkResultSet(t, "show hosts", resp)
// Create a new space
resp, err = tryToExecute(
session,
"CREATE SPACE client_test(partition_num=1024, replica_factor=1, vid_type = FIXED_STRING(30));")
if err != nil {
t.Fatalf(err.Error())
return
}
checkResultSet(t, "create space", resp)
err = dropSpace("client_test")
if err != nil {
t.Fatalf(err.Error())
return
}
}
}
func TestAuthentication(t *testing.T) {
const (
username = "dummy"
password = "nebula"
)
hostAddress := HostAddress{Host: address, Port: port}
conn := newConnection(hostAddress)
err := conn.open(hostAddress, testPoolConfig.TimeOut, nil, false)
if err != nil {
t.Fatalf("fail to open connection, address: %s, port: %d, %s", address, port, err.Error())
}
defer conn.close()
resp, authErr := conn.authenticate(username, password)
if authErr != nil {
t.Fatalf("fail to authenticate, username: %s, password: %s, %s", username, password, authErr.Error())
}
assert.Equal(t, string(resp.GetErrorMsg()), "User not exist")
}
func TestInvalidHostTimeout(t *testing.T) {
hostAddress := HostAddress{Host: address, Port: port}
// invalid host
invalidHostAddress := HostAddress{Host: "192.168.100.125", Port: 3699}
hostList := []HostAddress{hostAddress}
invalidHostList := []HostAddress{
invalidHostAddress, // Invalid host
hostAddress,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, testPoolConfig, nebulaLog)
if err != nil {
t.Fatalf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error())
}
// close all connections in the pool
defer pool.Close()
err = pool.Ping(invalidHostList[0], 1000*time.Millisecond)
assert.EqualError(t, err, "failed to open transport, error: dial tcp 192.168.100.125:3699: i/o timeout")
err = pool.Ping(invalidHostList[1], 1000*time.Millisecond)
if err != nil {
t.Error("failed to ping 127.0.0.1")
}
}
func TestServiceDataIO(t *testing.T) {
hostAddress := HostAddress{Host: address, Port: port}
hostList := []HostAddress{}
hostList = append(hostList, hostAddress)
testPoolConfig = PoolConfig{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 10,
MinConnPoolSize: 1,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, testPoolConfig, nebulaLog)
if err != nil {
t.Fatalf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error())
}
// close all connections in the pool
defer pool.Close()
// Create session
session, err := pool.GetSession(username, password)
if err != nil {
t.Fatalf("fail to create a new session from connection pool, username: %s, password: %s, %s",
username, password, err.Error())
}
// Save session create time
loc, _ := time.LoadLocation("Asia/Shanghai")
sessionCreatedTime := time.Now().In(loc)
defer session.Release()
// Create schemas
createTestDataSchema(t, session)
// Load data
loadTestData(t, session)
// test base type
{
query :=
"FETCH PROP ON person \"Bob\" YIELD vertex as VertexID," +
"person.name, person.age, person.grade," +
"person.friends, person.book_num, person.birthday, " +
"person.start_school, person.morning, " +
"person.property, person.is_girl, person.child_name, " +
"person.expend, person.first_out_city, person.hobby"
resp, err := tryToExecute(session, query)
if err != nil {
t.Fatalf(err.Error())
return
}
checkResultSet(t, query, resp)
assert.True(t, resp.GetLatency() > 0)
assert.Empty(t, resp.GetComment())
assert.Equal(t, "test_data", resp.GetSpaceName())
assert.False(t, resp.IsEmpty())
assert.Equal(t, 1, resp.GetRowSize())
names := []string{"VertexID",
"person.name",
"person.age",
"person.grade",
"person.friends",
"person.book_num",
"person.birthday",
"person.start_school",
"person.morning",
"person.property",
"person.is_girl",
"person.child_name",
"person.expend",
"person.first_out_city",
"person.hobby"}
assert.Equal(t, names, resp.GetColNames())
// test datetime
record, err := resp.GetRowValuesByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
valWrap, err := record.GetValueByIndex(6)
if err != nil {
t.Fatalf(err.Error())
return
}
dateTimeWrapper, err := valWrap.AsDateTime()
if err != nil {
t.Fatalf(err.Error())
return
}
// local time
assert.Equal(t, "2010-09-10T10:08:02.000000", valWrap.String())
// UTC time
UTCDatetime := dateTimeWrapper.getRawDateTime()
expectedDatetime := nebula.DateTime{2010, 9, 10, 2, 8, 2, 0}
assert.Equal(t, expectedDatetime, *UTCDatetime)
// test date
valWrap, err = record.GetValueByIndex(7)
if err != nil {
t.Fatalf(err.Error())
return
}
assert.True(t, valWrap.IsDate())
assert.Equal(t, "2017-09-10", valWrap.String())
// test time
valWrap, err = record.GetValueByIndex(8)
if err != nil {
t.Fatalf(err.Error())
return
}
timeWrapper, err := valWrap.AsTime()
if err != nil {
t.Fatalf(err.Error())
return
}
assert.True(t, valWrap.IsTime())
assert.Equal(t, "07:10:00.000000", valWrap.String())
UTCTime := timeWrapper.getRawTime()
expected := nebula.Time{23, 10, 0, 0}
assert.Equal(t, expected, *UTCTime)
}
// test node
{
resp, err := tryToExecute(session, "MATCH (v:person {name: \"Bob\"}) RETURN v")
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Equal(t, 1, resp.GetRowSize())
record, err := resp.GetRowValuesByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
valWrap, err := record.GetValueByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
node, err := valWrap.AsNode()
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Equal(t,
"(\"Bob\" :student{interval: P1MT100.000020000S, name: \"Bob\"} "+
":person{age: 10, birthday: 2010-09-10T10:08:02.000000, book_num: 100, "+
"child_name: \"Hello Worl\", expend: 100.0, "+
"first_out_city: 1111, friends: 10, grade: 3, "+
"hobby: __NULL__, is_girl: false, "+
"morning: 07:10:00.000000, name: \"Bob\", "+
"property: 1000.0, start_school: 2017-09-10})",
node.String())
props, _ := node.Properties("person")
datetime := props["birthday"]
dtWrapper, err := datetime.AsDateTime()
if err != nil {
t.Fatalf(err.Error())
return
}
utcTime := dtWrapper.getRawDateTime()
expected := nebula.DateTime{2010, 9, 10, 2, 8, 2, 0}
assert.Equal(t, expected, *utcTime)
localTime, _ := dtWrapper.getLocalDateTime()
expected = nebula.DateTime{2010, 9, 10, 10, 8, 2, 0}
assert.Equal(t, expected, *localTime)
}
// test edge
{
resp, err := tryToExecute(session, "MATCH (:person{name: \"Bob\"}) -[e:friend]-> (:person{name: \"Lily\"}) RETURN e")
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Equal(t, 1, resp.GetRowSize())
record, err := resp.GetRowValuesByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
valWrap, err := record.GetValueByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
relationship, err := valWrap.AsRelationship()
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Equal(t,
"[:friend \"Bob\"->\"Lily\" @0 {end_Datetime: 2010-09-10T10:08:02.000000, start_Datetime: 2008-09-10T10:08:02.000000}]",
relationship.String())
props := relationship.Properties()
datetime := props["end_Datetime"]
dtWrapper, err := datetime.AsDateTime()
if err != nil {
t.Fatalf(err.Error())
return
}
utcTime := dtWrapper.getRawDateTime()
expected := nebula.DateTime{2010, 9, 10, 2, 8, 2, 0}
assert.Equal(t, expected, *utcTime)
localTime, _ := dtWrapper.getLocalDateTime()
expected = nebula.DateTime{2010, 9, 10, 10, 8, 2, 0}
assert.Equal(t, expected, *localTime)
}
// Test path
{
resp, err := tryToExecute(session, "MATCH p = (:person{name: \"Bob\"}) -[e:friend]-> (:person{name: \"Lily\"}) RETURN p")
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Equal(t, 1, resp.GetRowSize())
record, err := resp.GetRowValuesByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
valWrap, err := record.GetValueByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
path, err := valWrap.AsPath()
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Equal(t,
"<(\"Bob\" :student{interval: P1MT100.000020000S, name: \"Bob\"} :person{age: 10, birthday: 2010-09-10T10:08:02.000000, book_num: 100, child_name: \"Hello Worl\", expend: 100.0, first_out_city: 1111, friends: 10, grade: 3, hobby: __NULL__, is_girl: false, morning: 07:10:00.000000, name: \"Bob\", property: 1000.0, start_school: 2017-09-10})-[:friend@0 {end_Datetime: 2010-09-10T10:08:02.000000, start_Datetime: 2008-09-10T10:08:02.000000}]->(\"Lily\" :student{interval: P12MT0.000000000S, name: \"Lily\"} :person{age: 9, birthday: 2010-09-10T10:08:02.000000, book_num: 100, child_name: \"Hello Worl\", expend: 100.0, first_out_city: 1111, friends: 10, grade: 3, hobby: __NULL__, is_girl: false, morning: 07:10:00.000000, name: \"Lily\", property: 1000.0, start_school: 2017-09-10})>",
path.String())
}
// Check timestamp
{
// test show jobs
_, err := tryToExecute(session, "SUBMIT JOB STATS")
if err != nil {
t.Fatalf(err.Error())
return
}
expected := int8(time.Now().In(loc).Hour())
time.Sleep(5 * time.Second)
resp, err := tryToExecute(session, "SHOW JOBS")
if err != nil {
t.Fatalf(err.Error())
return
}
// Row[0][3] is the Start Time of the job
record, err := resp.GetRowValuesByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
valWrap, err := record.GetValueByColName("Start Time")
if err != nil {
t.Fatalf(err.Error())
return
}
dtWrapper, err := valWrap.AsDateTime()
if err != nil {
t.Fatalf(err.Error())
return
}
localTime, err := dtWrapper.getLocalDateTime()
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Equal(t, expected, localTime.GetHour())
// test show sessions
resp, err = tryToExecute(session, "SHOW SESSIONS")
if err != nil {
t.Fatalf(err.Error())
return
}
// Row[0][4] is the CreateTime of the session
record, err = resp.GetRowValuesByIndex(0)
if err != nil {
t.Fatalf(err.Error())
return
}
valWrap, err = record.GetValueByColName("CreateTime")
if err != nil {
t.Fatalf(err.Error())
return
}
dtWrapper, err = valWrap.AsDateTime()
if err != nil {
t.Fatalf(err.Error())
return
}
localTime, err = dtWrapper.getLocalDateTime()
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Equal(t, int8(sessionCreatedTime.Hour()), localTime.GetHour())
}
err = dropSpace("client_test")
if err != nil {
t.Fatalf(err.Error())
}
}
func TestPool_SingleHost(t *testing.T) {
hostAddress := HostAddress{Host: address, Port: port}
hostList := []HostAddress{}
hostList = append(hostList, hostAddress)
testPoolConfig = PoolConfig{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 10,
MinConnPoolSize: 1,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, testPoolConfig, nebulaLog)
if err != nil {
t.Fatalf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error())
}
// close all connections in the pool
defer pool.Close()
// Create session
session, err := pool.GetSession(username, password)
if err != nil {
t.Fatalf("fail to create a new session from connection pool, username: %s, password: %s, %s",
username, password, err.Error())
}
defer session.Release()
// Execute a query
resp, err := tryToExecute(session, "SHOW HOSTS;")
if err != nil {
t.Fatalf(err.Error())
return
}
checkResultSet(t, "show hosts", resp)
// Create a new space
resp, err = tryToExecute(session, "CREATE SPACE client_test(partition_num=1024, replica_factor=1, vid_type = FIXED_STRING(30));")
if err != nil {
t.Fatalf(err.Error())
return
}
checkResultSet(t, "create space", resp)
err = dropSpace("client_test")
if err != nil {
t.Fatalf(err.Error())
}
}
func TestPool_MultiHosts(t *testing.T) {
hostList := poolAddress
// Minimum pool size < hosts number
multiHostsConfig := PoolConfig{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 3,
MinConnPoolSize: 1,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, multiHostsConfig, nebulaLog)
if err != nil {
log.Fatal(fmt.Sprintf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error()))
}
var sessionList []*Session
// Take all idle connection and try to create a new session
for i := 0; i < multiHostsConfig.MaxConnPoolSize; i++ {
session, err := pool.GetSession(username, password)
if err != nil {
t.Errorf("fail to create a new session from connection pool, %s", err.Error())
}
sessionList = append(sessionList, session)
}
assert.Equal(t, 0, pool.idleConnectionQueue.Len())
assert.Equal(t, 3, pool.activeConnectionQueue.Len())
_, err = pool.GetSession(username, password)
assert.EqualError(t, err, "failed to get connection: No valid connection in the idle queue and connection number has reached the pool capacity")
// Release 1 connection back to pool
sessionToRelease := sessionList[0]
sessionToRelease.Release()
sessionList = sessionList[1:]
assert.Equal(t, 1, pool.idleConnectionQueue.Len())
assert.Equal(t, 2, pool.activeConnectionQueue.Len())
// Try again to get connection
newSession, err := pool.GetSession(username, password)
if err != nil {
t.Errorf("fail to create a new session, %s", err.Error())
}
assert.Equal(t, 0, pool.idleConnectionQueue.Len())
assert.Equal(t, 3, pool.activeConnectionQueue.Len())
resp, err := tryToExecute(newSession, "SHOW HOSTS;")
if err != nil {
t.Fatalf(err.Error())
return
}
checkResultSet(t, "show hosts", resp)
// Try to get more session when the pool is full
_, err = pool.GetSession(username, password)
assert.EqualError(t, err, "failed to get connection: No valid connection in the idle queue and connection number has reached the pool capacity")
for i := 0; i < len(sessionList); i++ {
sessionList[i].Release()
}
}
func TestMultiThreads(t *testing.T) {
hostList := poolAddress
testPoolConfig := PoolConfig{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 666,
MinConnPoolSize: 1,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, testPoolConfig, nebulaLog)
if err != nil {
log.Fatal(fmt.Sprintf("fail to initialize the connection pool, host: %s, port: %d, %s",
address, port, err.Error()))
}
defer pool.Close()
var sessionList []*Session
// Create multiple session
var wg sync.WaitGroup
sessCh := make(chan *Session)
done := make(chan bool)
wg.Add(testPoolConfig.MaxConnPoolSize)
for i := 0; i < testPoolConfig.MaxConnPoolSize; i++ {
go func(sessCh chan<- *Session, wg *sync.WaitGroup) {
defer wg.Done()
session, err := pool.GetSession(username, password)
if err != nil {
t.Errorf("fail to create a new session from connection pool, %s", err.Error())
}
sessCh <- session
}(sessCh, &wg)
}
go func(sessCh <-chan *Session) {
for session := range sessCh {
sessionList = append(sessionList, session)
}
done <- true
}(sessCh)
wg.Wait()
close(sessCh)
<-done
assert.Equal(t, 666, pool.getActiveConnCount(), "Total number of active connections should be 666")
assert.Equal(t, 666, len(sessionList), "Total number of sessions should be 666")
for i := 0; i < testPoolConfig.MaxConnPoolSize; i++ {
sessionList[i].Release()
}
assert.Equal(t, 666, pool.getIdleConnCount(), "Total number of idle connections should be 666")
}
func TestLoadBalancer(t *testing.T) {
hostList := poolAddress
var loadPerHost = make(map[HostAddress]int)
testPoolConfig := PoolConfig{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 999,
MinConnPoolSize: 0,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, testPoolConfig, nebulaLog)
if err != nil {
t.Fatalf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error())
}
defer pool.Close()
var sessionList []*Session
// Create multiple sessions
for i := 0; i < 999; i++ {
session, err := pool.GetSession(username, password)
if err != nil {
t.Errorf("fail to create a new session from connection pool, %s", err.Error())
}
loadPerHost[session.connection.severAddress]++
sessionList = append(sessionList, session)
}
assert.Equal(t, 999, len(sessionList), "Total number of sessions should be 666")
for _, v := range loadPerHost {
assert.Equal(t, 333, v, "Total number of sessions should be 333")
}
for i := 0; i < len(sessionList); i++ {
sessionList[i].Release()
}
}
func TestIdleTimeoutCleaner(t *testing.T) {
hostList := poolAddress
idleTimeoutConfig := PoolConfig{
TimeOut: 0 * time.Millisecond,
IdleTime: 2 * time.Second,
MaxConnPoolSize: 30,
MinConnPoolSize: 6,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, idleTimeoutConfig, nebulaLog)
if err != nil {
t.Fatalf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error())
}
defer pool.Close()
var sessionList []*Session
// Create session
for i := 0; i < idleTimeoutConfig.MaxConnPoolSize; i++ {
session, err := pool.GetSession(username, password)
if err != nil {
t.Errorf("fail to create a new session from connection pool, %s", err.Error())
}
sessionList = append(sessionList, session)
}
for i := range sessionList {
_, err := sessionList[i].Execute("SHOW HOSTS;")
if err != nil {
t.Errorf("Error info: %s", err.Error())
return
}
sessionList[i].Release()
}
time.Sleep(idleTimeoutConfig.IdleTime)
pool.cleanerChan <- struct{}{} // The minimum interval for cleanup is 1 minute, so in CI we need to trigger cleanup manually
time.Sleep(idleTimeoutConfig.IdleTime)
pool.rwLock.RLock()
assert.Equal(t, idleTimeoutConfig.MinConnPoolSize, pool.idleConnectionQueue.Len())
assert.Equal(t, 0, pool.activeConnectionQueue.Len())
pool.rwLock.RUnlock()
}
func TestTimeout(t *testing.T) {
hostAddress := HostAddress{Host: address, Port: port}
hostList := []HostAddress{}
hostList = append(hostList, hostAddress)
testPoolConfig = PoolConfig{
TimeOut: 1000 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 10,
MinConnPoolSize: 1,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, testPoolConfig, nebulaLog)
if err != nil {
t.Fatalf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error())
}
// close all connections in the pool
defer pool.Close()
// Create session
session, err := pool.GetSession(username, password)
if err != nil {
t.Fatalf("fail to create a new session from connection pool, username: %s, password: %s, %s",
username, password, err.Error())
}
assert.NotEmptyf(t, session, "session is nil")
// Create schemas
{
createSchema :=
"CREATE SPACE IF NOT EXISTS test_timeout(VID_TYPE=FIXED_STRING(32));" +
"USE test_timeout;" +
"CREATE TAG IF NOT EXISTS person (name string, age int);" +
"CREATE EDGE IF NOT EXISTS like(likeness int);"
resultSet, err := tryToExecute(session, createSchema)
if err != nil {
t.Fatalf(err.Error())
return
}
assert.True(t, resultSet.IsSucceed())
}
time.Sleep(3 * time.Second)
// Load data
{
query := "INSERT VERTEX person (name, age) VALUES" +
"'A':('A', 10), " +
"'B':('B', 10), " +
"'C':('C', 10), " +
"'D':('D', 10)"
resultSet, err := tryToExecute(session, query)
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Truef(t, resultSet.IsSucceed(), resultSet.GetErrorMsg())
query =
"INSERT EDGE like(likeness) VALUES " +
"'A'->'B':(80), " +
"'B'->'C':(70), " +
"'C'->'D':(84), " +
"'D'->'A':(68)"
resultSet, err = tryToExecute(session, query)
if err != nil {
t.Fatalf(err.Error())
return
}
assert.Truef(t, resultSet.IsSucceed(), resultSet.GetErrorMsg())
}
// trigger timeout
_, err = session.Execute("GO 10000 STEPS FROM 'A' OVER * YIELD like.likeness")
assert.Contains(t, err.Error(), "timeout")
resultSet, err := tryToExecute(session, "YIELD 999")
assert.Empty(t, err)
assert.True(t, resultSet.IsSucceed())
assert.Contains(t, resultSet.AsStringTable(), []string{"999"})
// Drop space
err = dropSpace("client_test")
if err != nil {
t.Fatalf(err.Error())
}
}
func TestExecuteJson(t *testing.T) {
hostList := []HostAddress{{Host: address, Port: port}}
testPoolConfig = PoolConfig{
TimeOut: 0 * time.Millisecond,
IdleTime: 0 * time.Millisecond,
MaxConnPoolSize: 10,
MinConnPoolSize: 1,
}
// Initialize connection pool
pool, err := NewConnectionPool(hostList, testPoolConfig, nebulaLog)
if err != nil {
t.Fatalf("fail to initialize the connection pool, host: %s, port: %d, %s", address, port, err.Error())
}
// close all connections in the pool
defer pool.Close()
// Create session
session, err := pool.GetSession(username, password)
if err != nil {
t.Fatalf("fail to create a new session from connection pool, username: %s, password: %s, %s",
username, password, err.Error())
}
defer session.Release()
// Create schemas
createTestDataSchema(t, session)
// Load data
loadTestData(t, session)
// Simple query
{
jsonStrResult, err := session.ExecuteJson(`YIELD 1, 2.2, "hello", [1,2,"abc"], {key: "value"}, "汉字"`)
if err != nil {
t.Fatalf("fail to get the result in json format, %s", err.Error())
}
var jsonObj map[string]interface{}
exp := []interface{}{
float64(1), float64(2.2), "hello",
[]interface{}{float64(1), float64(2), "abc"},
map[string]interface{}{"key": "value"},
"汉字"}
// Parse JSON