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package testutil
import (
"io"
"os"
"testing"
"github.com/golang/glog"
)
func WriteString(tb testing.TB, f io.StringWriter, str string) int {
tb.Helper()
n, err := f.WriteString(str)
FatalIfErr(tb, err)
glog.Infof("Wrote %d bytes", n)
// If this is a regular file (not a pipe or other StringWriter) then ensure
// it's flushed to disk, to guarantee the write happens-before this
// returns.
if v, ok := f.(*os.File); ok {
fi, err := v.Stat()
FatalIfErr(tb, err)
if fi.Mode().IsRegular() {
glog.Infof("This is a regular file, doing a sync.")
FatalIfErr(tb, v.Sync())
}
}
return n
}
|
