52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package chroot
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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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"runtime"
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"testing"
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"github.com/hashicorp/packer/packer-plugin-sdk/common"
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)
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func TestCopyFile(t *testing.T) {
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if runtime.GOOS == "windows" {
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return
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}
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first, err := ioutil.TempFile("", "copy_files_test")
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if err != nil {
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t.Fatalf("couldn't create temp file.")
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}
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defer os.Remove(first.Name())
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newName := first.Name() + "-new"
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payload := "copy_files_test.go payload"
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if _, err = first.WriteString(payload); err != nil {
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t.Fatalf("Couldn't write payload to first file.")
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}
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first.Sync()
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cmd := common.ShellCommand(fmt.Sprintf("cp %s %s", first.Name(), newName))
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if err := cmd.Run(); err != nil {
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t.Fatalf("Couldn't copy file")
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}
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defer os.Remove(newName)
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second, err := os.Open(newName)
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if err != nil {
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t.Fatalf("Couldn't open copied file.")
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}
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defer second.Close()
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var copiedPayload = make([]byte, len(payload))
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if _, err := second.Read(copiedPayload); err != nil {
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t.Fatalf("Couldn't open copied file for reading.")
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}
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if string(copiedPayload) != payload {
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t.Fatalf("payload not copied.")
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}
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}
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