Files
tidb/pkg/lightning/worker/worker_test.go

46 lines
1.3 KiB
Go

// Copyright 2019 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 worker_test
import (
"context"
"testing"
"github.com/pingcap/tidb/pkg/lightning/worker"
"github.com/stretchr/testify/require"
)
func TestApplyRecycle(t *testing.T) {
pool := worker.NewPool(context.Background(), 3, "test")
w1, w2, w3 := pool.Apply(), pool.Apply(), pool.Apply()
require.Equal(t, int64(1), w1.ID)
require.Equal(t, int64(2), w2.ID)
require.Equal(t, int64(3), w3.ID)
require.Equal(t, false, pool.HasWorker())
pool.Recycle(w3)
require.Equal(t, true, pool.HasWorker())
require.Equal(t, w3, pool.Apply())
pool.Recycle(w2)
require.Equal(t, w2, pool.Apply())
pool.Recycle(w1)
require.Equal(t, w1, pool.Apply())
require.Equal(t, false, pool.HasWorker())
require.PanicsWithValue(t, "invalid restore worker", func() { pool.Recycle(nil) })
}