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