133 lines
2.9 KiB
Go
133 lines
2.9 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package fileutil
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"reflect"
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"testing"
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"time"
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)
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func TestPurgeFile(t *testing.T) {
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dir, err := ioutil.TempDir("", "purgefile")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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for i := 0; i < 5; i++ {
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_, err := os.Create(path.Join(dir, fmt.Sprintf("%d.test", i)))
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if err != nil {
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t.Fatal(err)
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}
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}
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stop := make(chan struct{})
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errch := PurgeFile(dir, "test", 3, time.Millisecond, stop)
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for i := 5; i < 10; i++ {
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_, err := os.Create(path.Join(dir, fmt.Sprintf("%d.test", i)))
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if err != nil {
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t.Fatal(err)
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}
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time.Sleep(2 * time.Millisecond)
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}
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fnames, err := ReadDir(dir)
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if err != nil {
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t.Fatal(err)
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}
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wnames := []string{"7.test", "8.test", "9.test"}
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if !reflect.DeepEqual(fnames, wnames) {
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t.Errorf("filenames = %v, want %v", fnames, wnames)
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}
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select {
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case err := <-errch:
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t.Errorf("unexpected purge error %v", err)
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case <-time.After(time.Millisecond):
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}
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close(stop)
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}
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func TestPurgeFileHoldingLock(t *testing.T) {
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dir, err := ioutil.TempDir("", "purgefile")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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for i := 0; i < 10; i++ {
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_, err := os.Create(path.Join(dir, fmt.Sprintf("%d.test", i)))
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if err != nil {
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t.Fatal(err)
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}
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}
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// create a purge barrier at 5
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l, err := NewLock(path.Join(dir, fmt.Sprintf("%d.test", 5)))
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err = l.Lock()
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if err != nil {
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t.Fatal(err)
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}
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stop := make(chan struct{})
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errch := PurgeFile(dir, "test", 3, time.Millisecond, stop)
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time.Sleep(5 * time.Millisecond)
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fnames, err := ReadDir(dir)
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if err != nil {
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t.Fatal(err)
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}
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wnames := []string{"5.test", "6.test", "7.test", "8.test", "9.test"}
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if !reflect.DeepEqual(fnames, wnames) {
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t.Errorf("filenames = %v, want %v", fnames, wnames)
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}
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select {
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case err := <-errch:
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t.Errorf("unexpected purge error %v", err)
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case <-time.After(time.Millisecond):
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}
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// remove the purge barrier
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err = l.Unlock()
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if err != nil {
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t.Fatal(err)
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}
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err = l.Destroy()
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if err != nil {
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t.Fatal(err)
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}
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time.Sleep(5 * time.Millisecond)
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fnames, err = ReadDir(dir)
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if err != nil {
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t.Fatal(err)
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}
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wnames = []string{"7.test", "8.test", "9.test"}
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if !reflect.DeepEqual(fnames, wnames) {
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t.Errorf("filenames = %v, want %v", fnames, wnames)
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}
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select {
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case err := <-errch:
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t.Errorf("unexpected purge error %v", err)
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case <-time.After(time.Millisecond):
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}
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close(stop)
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}
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