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conn_group_test.go
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conn_group_test.go
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// Copyright(C) 2021 github.com/fsgo All Rights Reserved.
// Author: fsgo
// Date: 2021/3/29
package fspool
import (
"bufio"
"context"
"net"
"reflect"
"testing"
"time"
)
func TestNewConnPoolGroup(t *testing.T) {
ts := &testConnServer{
onAcceptErr: func(err error) {},
connecting: 0,
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
l, errListen := net.Listen("tcp", "127.0.0.1:0")
if errListen != nil {
t.Fatalf("Listen error %v", errListen)
}
go func() {
_ = ts.Serve(ctx, l)
}()
t.Run("case 1", func(t *testing.T) {
pg := NewConnPoolGroup(nil, func(addr net.Addr) NewConnFunc {
return func(ctx context.Context) (net.Conn, error) {
return net.DialTimeout(addr.Network(), addr.String(), time.Second)
}
})
t.Run("option", func(t *testing.T) {
op := pg.Option()
if op.MaxOpen != 0 {
t.Fatalf("op.MaxOpen==%d want 0", op.MaxOpen)
}
})
t.Run("GroupStats", func(t *testing.T) {
got := pg.GroupStats().All
want := Stats{
Open: true,
}
if !reflect.DeepEqual(got, want) {
t.Fatalf("\ngot =%v,\nwant=%v", got, want)
}
})
t.Run("rw1", func(t *testing.T) {
conn, err := pg.Get(context.Background(), l.Addr())
if err != nil {
t.Fatalf(err.Error())
}
_, errW := conn.Write([]byte("hello\n"))
if errW != nil {
t.Fatalf(errW.Error())
}
rd := bufio.NewReader(conn)
_, _, errRead := rd.ReadLine()
if errRead != nil {
t.Fatalf(errRead.Error())
}
t.Run("before close", func(t *testing.T) {
{
got := pg.GroupStats().All
want := Stats{
Open: true,
NumOpen: 1,
InUse: 1,
}
if !reflect.DeepEqual(got, want) {
t.Fatalf("\ngot =%v,\nwant=%v", got, want)
}
}
})
if errClose := conn.Close(); errClose != nil {
t.Fatalf("conn.Close()=%v", errClose)
}
t.Run("after close", func(t *testing.T) {
{
got := pg.GroupStats().All
want := Stats{
Open: true,
MaxIdleClosed: 1,
}
if !reflect.DeepEqual(got, want) {
t.Fatalf("\ngot =%v,\nwant=%v", got, want)
}
}
})
})
t.Run("range", func(t *testing.T) {
var total int
err := pg.Range(func(el net.Conn) error {
total++
if el == nil {
t.Fatalf("el is nil")
}
return nil
})
if err != nil {
t.Fatalf(err.Error())
}
})
t.Run("close", func(t *testing.T) {
err := pg.Close()
if err != nil {
t.Fatalf(err.Error())
}
st := pg.GroupStats()
if got := len(st.Groups); got != 0 {
t.Fatalf("st.Groups.len got=%d want=0", got)
}
})
})
}