30 lines
533 B
Go
30 lines
533 B
Go
package common
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestWriteFileAtomic(t *testing.T) {
|
|
data := []byte("Becatron")
|
|
fname := fmt.Sprintf("/tmp/write-file-atomic-test-%v.txt", time.Now().UnixNano())
|
|
err := WriteFileAtomic(fname, data, 0664)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
rData, err := ioutil.ReadFile(fname)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(data, rData) {
|
|
t.Fatalf("data mismatch: %v != %v", data, rData)
|
|
}
|
|
if err := os.Remove(fname); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|