pomerium/internal/fileutil/watcher_test.go
Caleb Doxsey 10912add67
config: detect underlying file changes (#1775)
* wip

* cleanup

* add test

* use uuid for temp dir, derive root CA path from filemgr for tests

* fix comment

* fix double close

* use latest notify
2021-01-14 18:06:02 -07:00

42 lines
799 B
Go

package fileutil
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
)
func TestWatcher(t *testing.T) {
tmpdir := filepath.Join(os.TempDir(), uuid.New().String())
err := os.MkdirAll(tmpdir, 0o755)
if !assert.NoError(t, err) {
return
}
err = ioutil.WriteFile(filepath.Join(tmpdir, "test1.txt"), []byte{1, 2, 3, 4}, 0o666)
if !assert.NoError(t, err) {
return
}
w := NewWatcher()
w.Add(filepath.Join(tmpdir, "test1.txt"))
ch := w.Bind()
defer w.Unbind(ch)
err = ioutil.WriteFile(filepath.Join(tmpdir, "test1.txt"), []byte{5, 6, 7, 8}, 0o666)
if !assert.NoError(t, err) {
return
}
select {
case <-ch:
case <-time.After(time.Second):
t.Error("expected change signal when file is modified")
}
}