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package tools
import (
"bytes"
"io"
"os"
"testing"
"github.com/stretchr/testify/assert"
)
func TestCopyWithCallback(t *testing.T) {
buf := bytes.NewBufferString("BOOYA")
called := 0
calledWritten := make([]int64, 0, 2)
n, err := CopyWithCallback(io.Discard, buf, 5, func(total int64, written int64, current int) error {
called += 1
calledWritten = append(calledWritten, written)
assert.Equal(t, 5, int(total))
return nil
})
assert.Nil(t, err)
assert.Equal(t, 5, int(n))
assert.Equal(t, 1, called)
assert.Len(t, calledWritten, 1)
assert.Equal(t, 5, int(calledWritten[0]))
}
func TestMethodExists(t *testing.T) {
// testing following methods exist in all platform.
_, _ = CheckCloneFileSupported(os.TempDir())
_, _ = CloneFile(io.Writer(nil), io.Reader(nil))
_, _ = CloneFileByPath("", "")
}
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