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object_test.go
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object_test.go
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// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package pool
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestObjectPoolRefillOnLowWaterMark(t *testing.T) {
opts := NewObjectPoolOptions().
SetSize(100).
SetRefillLowWatermark(0.25).
SetRefillHighWatermark(0.75)
pool := NewObjectPool(opts).(*objectPool)
pool.Init(func() interface{} {
return 1
})
assert.Equal(t, 100, len(pool.values))
for i := 0; i < 74; i++ {
pool.Get()
}
assert.Equal(t, 26, len(pool.values))
// This should trigger a refill
pool.Get()
start := time.Now()
for time.Now().Sub(start) < 10*time.Second {
if len(pool.values) == 75 {
break
}
time.Sleep(time.Millisecond)
}
// Assert refilled
assert.Equal(t, 75, len(pool.values))
}
func TestObjectPoolInitTwiceError(t *testing.T) {
var accessErr error
opts := NewObjectPoolOptions().SetOnPoolAccessErrorFn(func(err error) {
accessErr = err
})
pool := NewObjectPool(opts)
pool.Init(func() interface{} {
return 1
})
require.NoError(t, accessErr)
pool.Init(func() interface{} {
return 1
})
assert.Error(t, accessErr)
assert.Equal(t, errPoolAlreadyInitialized, accessErr)
}
func TestObjectPoolGetBeforeInitError(t *testing.T) {
var accessErr error
opts := NewObjectPoolOptions().SetOnPoolAccessErrorFn(func(err error) {
accessErr = err
})
pool := NewObjectPool(opts)
require.NoError(t, accessErr)
assert.Panics(t, func() {
pool.Get()
})
assert.Error(t, accessErr)
assert.Equal(t, errPoolGetBeforeInitialized, accessErr)
}
func TestObjectPoolPutBeforeInitError(t *testing.T) {
var accessErr error
opts := NewObjectPoolOptions().SetOnPoolAccessErrorFn(func(err error) {
accessErr = err
})
pool := NewObjectPool(opts)
require.NoError(t, accessErr)
pool.Put(1)
assert.Error(t, accessErr)
assert.Equal(t, errPoolPutBeforeInitialized, accessErr)
}