Files
tidb/domain/session_pool_test.go
2021-12-14 18:06:36 +08:00

50 lines
1.3 KiB
Go

// Copyright 2021 PingCAP, Inc.
//
// Licensed 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 domain
import (
"testing"
"github.com/ngaut/pools"
"github.com/stretchr/testify/require"
)
func TestSessionPool(t *testing.T) {
f := func() (pools.Resource, error) { return &testResource{}, nil }
pool := newSessionPool(1, f)
tr, err := pool.Get()
require.NoError(t, err)
tr1, err := pool.Get()
require.NoError(t, err)
pool.Put(tr)
// Capacity is 1, so tr1 is closed.
pool.Put(tr1)
require.Equal(t, 1, tr1.(*testResource).status)
pool.Close()
pool.Close()
pool.Put(tr1)
tr, err = pool.Get()
require.Error(t, err)
require.Equal(t, "session pool closed", err.Error())
require.Nil(t, tr)
}
type testResource struct {
status int
}
func (tr *testResource) Close() { tr.status = 1 }